gsk GSK928TC User Manual

Operation GSK928TC Turning CNC System
OPERATION
I. Introduction
GSK928TC Turning CNC system, realized high-speed ìm-precision control with highspeed CPU and CPLD as its control part, has 320×240 lattice graphic LCD with friendly Chinese/English menu, fullscreen edition, realtime tool-trail graphic display. It runs the user program with international standard CNC language-ISO code. It is widely suitable for response stepmotor driver, complex stepmotor driver and servomotor driver. By the programming, it makes the machine to cut cylinder, end, slot, taper, arc, thread and so on.
II. Specification
2.1 Controllable axes 2 axes (X Z axis)
2.2 Linkage axes 2 axes (X Z axis)
2.3 Min. enactment unit 0.001 mm
2.4 Min. move unit X axis 0.0005 mm Z axis 0.001 mm
2.5 Max program travel 8000.000 mm
2.6 Max move speed 15000 mm/min
2.7 Cuting speed 5-6000 mm/min
2.8 User Data Storage 24KB
2.9 Max program numbers 100
2.10 Graphic LCD 320 240 lattice
2.11 Communication interface standard RS-232
2.12 Controllable tool positions 4 extendable to 8
III. OPERATION PANEL
RIE
DLN
改写
REW
自动
AUTO
U K
删除
参数
PAR
1 .
退出
ESC
X Z
刀补
OFT
输入
INPUTDEL
诊断
DGN
回车
ENTER
空运行
单段
SINGLE
手动
JOG
单步
STEP
DRY
编辑
EDIT
H/L
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Operation GSK928TC Turning CNC System
Instructions of the GSK928TC turning CNC system panel:
3.1 LCD display: 320x240 lattice distinguishability, the communication interface between the machine and
human.
3.2 Digit button: input all kinds of data (0~9).
3.3 Address button: input letters, addresses, segments and programs.
3.4 Funtion button: this system was designed with the visualized symbol function button according to the standard ‘the visualized symbols of CNC machine tool’ as follows:  
          Fast multiple increase button: Increase the multiple of the max move speed on JOG mode. Increase
the speed multiple of dictate G00 on AUTO mode.  
   Fast multiple decrease button: Decrease the multiple of the max move speed on JOG mode.
Decrease the speed multiple of dictate G00 on AUTO mode.    
          Feed multiple increase button : Increase the feed speed multiple on JOG mode. Increase the speed
multiple of dictate G01 on AUTO mode.
          Feed multiple decrease button : Decrease the feed speed multiple on JOG mode. Decrease the speed
multiple of dictate G01 on AUTO mode.
          X axis returnning to program reference point Button: It is valid only on the JOG/AUTO mode
   Z axis returnning to program reference point Button: It is valid only on the JOG/AUTO mode
          X axis returnning to machine reference point Button: It is valid only on the JOG mode (Whether the machine reference point is valid can be defined by the MZRO bit of the parameter P12)
          Z axis returnning to machine reference point Button: It is valid only on the JOG mode 
(Whether the machine reference point is valid can be defined by the MZRO bit of the parameter P12)
空运行
Dry run button: When the dry run is selected on AUTO mode, neither the coordinates of the
Dry
machine move nor the S , M, T functions run if the program starts. On EDIT mode, it moves the cursor to the the first character following this line number
单段
   Single button: to select the single segment run/continuum run on the AUTO mode
Single
编辑
Edit button: to select the edit operation mode
EDIT
手动
JOG button: to select manual operation mode
JOG
AUTO button: to select auto operation mode
自动
PAR button: to select parameter operation mode
参数
刀补
OFT button: to select tool offset operation mode
DGN button: to select diagnosis operation mode
诊断
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Operation GSK928TC Turning CNC System
3.5 Edit button /State-selection button
改写
Rew
Switch between the inset and rewrite ways on the edit mode.
删除
Del
Delete the figure, letter, segment, or whole the program.
退出
Esc
Cancel the local inputing data or escape from local state.
输入
Input
Input all kinds of data, select the needed edition, run the program or establish the new user
program.
回车
Enter
Confirm the input.
Page up to searches the program or parameter on the edit/parameter/tool offset mode, or
increase the brightness to the display on the other modes.
Page down to searches the program or parameter on the edit/parameter/tool offset mode, or
decrease the brightness to the display on the other modes.
Move the cursor up on the edit/parameter/tool offset mode
Move the cursor down on the edit/parameter/tool offset mode
Move the cursor ahead on the edit/parameter/tool offset mode
Move the cursor backwards on the edit/parameter/tool offset mode
3.6 Loop start button and Feed-hold button
Start the program to run on the AUTO mode, pause on the operation
Loop start button Start the program to run automatically on the AUTO mode.
Feed-hold button The motors slow down to pause on the AUTO or JOG mode
3.7 Manual axis-control button
Move the selected axis along the moving direction on the JOG mode Move the x axis along negative direction on JOG mode.
Move the x axis along positive direction on JOG mode.
Move the z axis along negative direction on JOG mode.
Move the z axis along positive direction on JOG mode.
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Operation GSK928TC Turning CNC System
Fast move/Feed button Switch between fast move speed and feed speed in JOG.
JOG step select button Select the step of the monostep feed or handwheel feed in Single
feed/handwheel feed mode.
X axis Handwheel select button Select handwheel to control X axis when this system
assembled the handwheel.
Z axis Handwheel select button Select handwheel to control Z axis when this system
assembled the handwheel.
单步
Single/JOG mode Switch between the manual monostep and jog mode.
3.8 Manual Toolchange and Assistant Functions Buttons
Select the next tool position directly and manage the machine to run all assistant function. The buttons are defined as follows:
Spindle stop button The spindle stops running when push this button.
Coolant button Switch the coolant on/off
Tool change button Select the next tool postion when push this button once.
Remark: All above buttons are efficient in JOG/AUTO mode when X,Z axes stop. But onlythecoolant
Step
Spindle positive rotation button The spindle rotates counter-clockwise (watch from the motor shaft) by pushing this button.
Spindle negative rotation button The spindle rotates clockwise (watch from the motor shaft) by pushing this button.
Spindle shift button Select the spindle speed when the main spindle motor has more then one step speed (not more then 16 steps) and the machine has the control loop.
button is efficient in running.
3.9 Reset Button
System reset button All axes will stop when this system resets, and all output of assistant
functions are inefficacy, the machine stops running and return to the initial status of
electrification.
3.10 State indicator
Indicate the current running state of this CNC system. There have 15 function buttons with LED
indicators. The corresponding function of this button is availability when the LED indicator lights. 
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Operation GSK928TC Turning CNC System
IV. SYSTEM OPERATION
In this chapter, details the all functions modules of this GSK928TC turning CNC system and their operations
and notices. Please read this chapter carefully before start the machine with this system.
4.1 System turn on/off
There has not the power switch on this system. To avoid the power concussion, install the power switch for
this system according to the actual state of the machine.
Turn on as follows:
Power on the machine’s electrical source first.   2 Put through the system’s switch if there has, and then the system appears as picture1. Keep pushing any
button with the exception of the buttons , , when it is displaying the picture1, the system will display the version number of this system. After release the button, the system enters the normal run state.  
Turn off as follows:
1 Cut off the system’s switch if there has. Power off the machine’s electrical source.   
CAUTION: When the system powers on first, it is needed usually to operate as follows:
1. Initialize the system’s parameter section such as: Push the button and at the same time . First release the button , after 3 seconds, release the button , the system was initialized. At then, all the parameters of tool offset are 0, all the parameters of the machine reset as initial value. Please consult the offset and parameter instruction in this manual.
2. Measure the reverse transmission clearance of X, Z axes, and enter system parameters P07 and P08. Please consult
the parameters instruction in this manual.
3. Define the DIRZ and DIRX in parameter P11 according to the electric design and motor direction of the machine.
4. Adjust the parameters P05, P06, P17~P22 to let the machine run reposefully and availably according to the
machine’s load.
删除
Del
删除
Del
广 州 数 控
Picture1. System initial display
4.2 System run mode selection
Select or change the run mode of GSK928TC by push button directly. It is maneuverable, convenient and
directviewing.
If no one of button is pushed, this system displays the picture1 circularly when it powers on. If any button
except button was pushed, this system will return to the mode of last power off. If power on with pushing
button or push button and button at the same time, release first, a moment later, releases the button , this system will enter the MANUAL mode. 
退出
Esc
退出
Esc
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退出
Esc
Operation GSK928TC Turning CNC System
4.3 EDIT Mode
On EDIT mode, input or edit the cutting programs and their contents by pushing buttons on the keyboard. All the cutting programs can be built, selected or deleted by the keyboard. And the contents of the selected cutting program can be edited such as inset, amend, deleted and so on. And the RS232 communication port of this system can be connected to the serial port of the current pc, so the cutting program can be exchanged between this system and the current pc.
Push the button to enter EDIT mode, this system appears the names of all stored program, bytes of the
编辑
EDIT
current programs and the spare capability of this system as follows:
%00 %02 %03 %04 %10
PROG. NO. 05 FREE BYTE 15750
EEDDIIT
EDIT %02 0223
T MANU AUTO PARA OFFT DIAG
Picture2 edit mode
On the EDIT mode, the definitions and usage s of the buttons
1 Upmove cursor button
  The cursor moves to the position of the first charater after front program row number when push this
button once.
Keep pushing this button, the cursor continues to move above until the cursor arrives at the first program
row or the button is released.
2 Downmove cursor button
  The cursor moves to the position of the first charater after next program row number when push this button
once.
Keep pushing this button, the cursor continues to move down until the cursor arrives at the last program
row or the button is released.
3 Leftmove cursor button
The cursor moves to the position of the front charater when push this button once.
Keep pushing this button, the cursor continues to move left until the cursor arrives at the first charater or the
button is released.
        Rightmove cursor button
The cursor moves to the position of the next charater when push this button once. Keep pushing this button, the cursor continues to move right until the cursor arrives at the last charater or the button is released.
CAUTIONS: Cursor – Pompt of Local editing position. There have two forms: A On inset mode, the cursor is a line segment under the charater.
B On rewrite mode, the cursor appers such that the charater is displayed with highlight and color inverse.
The cursor forms can be switched by button .
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改写
Rew
Operation GSK928TC Turning CNC System
编辑
once, and the cursor forms will switch accordingly. On inset mode, the cursor is a flashing line segment. On rewrite
mode, the cursor appers such that the charater is displayed with a flashing highlight square charater.
pushing Input button, and inputing the serial number with two digits.
改写
       In set/rewrite Button 
Rew
Push the Inset/rewrite button once, then the input modes will switch between inset and rewrite mode
输入
             Input button 
Input
To establish a new program, select a existent program or delete a existent program or all programs by
              Pageup button 
Push this button to display the front page when search serial numbers list or program contents,
              Pagedown button
Push this button to display the next page when search serial numbers list or program contents,
9 Double-functions button
Each button can be defined two functions. Push these buttons once, the system performs the first function: U, W, I, K, D, and R. Push these button twice in series, the system performs the second functions: /, E, P, N, L, and . If push these button continuously, the system switches between the two functions. ‘/’ is newline prompt, ‘ ’ is blank.
4.3.1 Search the cutting program list
On EDIT mode, list all the nemes of the cutting programs in the system’s storage, the cutting program
numbers and the spare capability.
Push button on EDIT mode, or push button or button in editing, the system displays
as PICTURE3.
EDIT
退出
Esc
%00 %02 %03 %04 %10
PROG. NO. 05 FREE BYTE 15750
PICTURE3 Program search, establish, select, delete and etc.
EEDDIIT
EDIT %02 0223
T MANU AUTO PARA OFFT DIAG
输入
Input
40 pcs program names can be displayed once. If the displayed program names are more then 40 pcs, the
display will be paging. Push the button , it displays the next page. Push the button , it displays the front page.
4.3.2 Cutting program’s establish, selection, deletion, rename, and copy  
The establish, selection, deletion, rename, and copy of cutting program can be processed on the program list
display state or program content display state
On the program list display state, push the button , the system displays ‘INPUT PROG. NO. %’ to
prompt the program’s number.
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输入
Input
Operation GSK928TC Turning CNC System
05 FREE BYTE 15750
4.3.2.1 Establish a new cutting program
1. On the program list display state, push the button .
2. Input the 2 bits program number that isn’t existent in the system as PICTURE 4.
输入
Input
3. Push button Enter
4. The new program is established, the system enters the program content edit state automatically.
Ex. Establish the program%20, push the button then input digit buttons 2 0 , and put the
输入
Input
button Enter. New program %20 is established, and the system turns to edit the new program %20 automatically as PICTURE 5.
%00 %02 %03 %04 %10
INPUT PROG. NO. %20 Enter
PROG. NO. 05 FREE BYTE 15750
EEDDIIT
EDIT %02 0223
N0000 _
T MANU AUTO PARA OFFT DIAG
EDIT %20 0007
PICTURE 4 INPUT THE PROGRAM NUMBER PICTURE 5 ESTABLISH A NEW PROGRAM
4.3.2.2 Delete the cutting program
1. On the program list display state, push the button .
2. Input the program number that needs to be deleted.
3. Push button , then the system displays DEL?
删除
Del
4. Push button Enter to delete the program, or not, push any button except for Enter to escape. Ex. Delete the program %03 , Push button Enter, input the digits 0 , 3 , then push button and
button Enter, the program %03 is deleted from the storage of this system as PICTURE 6.
%00 %02 %03 %04 %10
INPUT PROG. NO. %03 DEL?
PROG. NO.
EEDDIIT
EDIT %02 0223
T MANU AUTO PARA OFFT DIAG
PICTURE 6 DELETE THE CUTTING PROGRAM
输入
Input
删除
Del
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Operation GSK928TC Turning CNC System
4.3.2.3 Select a cutting program
1. On the program list display state, push the button .
2. Input the program number that needs to be selected.
输入
Input
3. Push button Enter
4. Select the cutting program and the system displays the program contents, and it can be edited.
Ex. Select cutting program %01. Push button , input the digits 0, 1 then push button ENTER, the
输入
Input
program %01 is selected as PICTURE 7.
N0000 G0 X0 Z0 N0010 G1 X4.80 Z9.6 F500 N0020 G0 X0.0 Z00 N0030 G4 D2 N0040 M20
EDIT %01 0082
PICTURE 7 SELECT A CUTTING PROGRAM
Cautions:
1. This NC system automatically establishes and selects a new cutting program %00 if there has not any cutting program or program content when the system powers on first.
2. After a cutting program is selected, it will stands in current state until the other program is selected, even if the system powers off.
4.3.2.4 Output of the cutting program
Output the cutting program stored in the system’s storage to the external pc.
1. Connect the communication cable between the system and external pc when the system powers off.
2. The system powers on and enters the EDIT mode.
3. Select the cutting program that need to be output (It doesn’t need to be selected if the program to be sent out is current).
4. Push button W, it prompts ‘PREPARE TO SEND ’.
5. Start the GSK928TC communication program in the external pc to the receiving state. (Please refer to the appendix of the <Operation Instruction of the GSK928TC Communication Program>).
6. Afer the external pc is convinced that it is in the receiving state, push button Enter, the system prompts ‘SENDING…’, and it send the cutting program to the external pc.
7. As soon as the system sends out the program, it prompts ‘SENT OUT’, and then push any button to return to the EDIT mode.
8. Push button to interrupt the program sending.
退出
Esc
4.3.2.5 Input of the cutting program
Input the cutting program from the external pc to this system.
1. Connect the communication cable between the system and external pc when the system powers off.
2. The system powers on and enters the EDIT mode.
3. Select the cutting program that need to be output (It doesn’t need to be selected if the program to be sent out is current).
4. Push button R, it prompts ‘PREPARE TO RECEIVE’.
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Operation GSK928TC Turning CNC System
5. Start the GSK928TC communication program in the external pc to the receiving state. (Please refer to the appendix of the <Operation Instruction of the GSK928TC Communication Program>).
6. Afer the external pc is convinced that it is prepared, push button Enter, the system prompts RECEIVE…’, and it send the cutting program to the external pc.
7. As soon as the system sends out the program, it prompts ‘RECEIVED’, and then push any button to return to the EDIT mode.
8. Push button to interrupt the program receiving.
退出
Esc
Cautions:
1. When the cutting program is sent from the external pc to this system, this system makes the program name with the character string ‘%xx” in the first row. If the name of the received program is same as the stored program, the name and contents of the received program can’t be displayed. So the stored program with same name must be deleted first before check the new program.
2. 
All the cutting programs can be exchanged as above method between GSK928TC systems. Just operate two
GSK928TC systems with input/output mode.
4.3.2.6 Delete all cutting programs
Delete all cutting program in the CNC system once.
1. Push button on the EDIT mode.
2. Input
3. Push button , then the system display DEL? .
4. Push button , the all programs in storage will be deleted, or not, push any other button to return to the EDIT mode without any change.  
输入
        O  
删除
Del
回车
  by keyboard.
4.3.2.7 Rename the cutting program
Rename the local cutting program.
1. Push button , display % .
输入
Input
2. Input a new program number inexistent in this system, and push button , and then the inputted
改写
program name is instead of the local program number.   
Example: Change the file name %00 to %05
Push button      and input 0   5  ,then push button      to finish the rename. 
输入
Input
改写
4.3.2.8 Copy the cutting program
Copy the contents of the local program to another program and the new program will be regarded as the local program.
1. Pree button , display %,
2. Input the program number inexistent in this system, push button , copy the contents of local program to the program with the inputted program number, and the new program is regarded as the local program.
输入
Input
输入
Input
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Operation GSK928TC Turning CNC System
Example: Copy the contents of the local program %00 to the local program %05
Push button , intput 0 5 ,and then push button to finish copy.
输入
Input
输入
Input
Caution: If the inputted program number existed in the system, the system display EXISTED.Push any button
to escape, then input the other program number inexistent in this system, push button .
回车
Enter
4.3.3 Input and edit the contents of the cutting program
This CNC system automatically runs according to the sequence of the cutting programs inputted by user. The program consists of some program segments. The segment consists of serial number, dictate, data and so on. Only correctly input the contents of the cutting program in the light of the cutting technics, the system can run normally.
The edit model of this system is full screen. The programs are managed as documents.
4.3.3.1 Create the serial number automatically
Every program consists of some program segment. And each segement begans at N**** . After a new program is built, the system will create the first serial numbe as N0000 . And when push button Enter after inputted a segment, the system will create the next serial number automatically. The increment of the serial number in program input is set by the parameter P23. The parameter P23 can create the serial number with the integer of the 1/4 increment.
Create the serial number of segment as PICTURE 8 (Parameter P16 is 10):     
N0000 G0 X0 Z0 < N0010 G1 X4.8 Z9.0 F500< N0020 G0 X0.0 Z0.0 < N0030 G4 D2 <
NOTE: The Enter and Esc in above picture aren’t displayed on the screen
PICTURE 8 SERIAL NUMBER CREATION AND PROGRAM CONTENT INPUT
N0040 M20 <
EDIT %01 0082
Enter>
Esc>
Enter>
Enter>
Enter>
4.3.3.2 The program contents input
Edits of this system is on the full screen mode. The program contents were inputted on the EDIT mode.
1. Setup a new program as Chapter 4.3.2.1;
2. Input the contents of the first program row after the Serial Number  
  N0000 
 is displayed;
3. Push the button Enter to end the input of this row after this row was inputted;
4. The next Serial Number is created automatically after push button Enter , then the new row can be
inputted;
5. Push the button 
NOTE: Only ahead 40 characters can be displayed in every segment if there has more then 40 characters in the segment. When push the button     once, the displayed characters indent one bit to left. There can’t be more then 255 characters in
one row, or not the inputted contents can be accepted. The 13 segments can be displayed in one screen. The segment will move up automatically after the segments are more then 13 rows.
  Esc 
 to end the input after the all contents of the program were inputted.
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Operation GSK928TC Turning CNC System
4.3.3.3 Insert the program segment insert
Insert one segment or more between two program segments.
1. Push the button or to move the cursor to the frontal one in the two segments;
2. Keep pushing the button as far as the cursor arrives at the last character, or push the button to move the cursor to the last character;
3. Push the button   increment is set by the integer part of 1/4 the parameter No. P16. If the numbers are no enough, the next
segment number can be rewrited artificially;
4. Input the contents of the inputted segment;
5. The segment was inserted, except push the button
NOTE 1: Insert the segment after the last segment, push the button directly, the new serial number will be created
automatically.
NOTE 2: A new segment can’t be inserted in front of the first segment directly. If it is necessarily, only rewrite the first
segment with new segment contents, and then insert the contents of the foregoing first segment thereafter.
For example: 
1. Push the button or to move the cursor to the segment 
the characters
2. Push the button Enter , a new serial number N0022 was created such as PICTURE 9, and the cursor
points to the first character of the new segment;
3. Input M 3 ;
3. the new segment was inserted as PICTURE 10.
N0000 G0 X0 Z0 N0010 G1 X4.80 Z9.6 F500 N0020 G0 X0.0 Z0.0 N0022 __ N0030 G4 D2 N0040 M20
             PICTURE 9 PICTURE 10
The segment M3 needs to be inserted between the segments N0020 and N0030 such as
the Picture 8, operate as follows:
EDIT %01 0089
Enter  , a new Serial Number is created between these two segments ( The number
Enter
to input the next inputted segments,
N0020
, then push the button after
Z0.0; 
EDIT %01 0091
N0000 G0 X0 Z0 N0010 G1 X4.80 Z9.6 F500
< E nter>
N0020 G0 X0.0 Z0.0 N0022 M 3 N0030 G4 D2 N0040 M20
单步
STEP
单步
Step
4.3.3.4 Delete the program segment
Delet the all contents including serial number of one segment. 
1. Push the button       or      to move the cursor to the segment to be deleted; 
2. Push the button       to move the cursor at the N of the serial number 
3. Push the button     ;  4. Whole the segment was deleted. 
4.3.3.5 Insert the field in the segment
1.  Check  if  it  is  on  INSERT  mode.  When  it  is  on  INSERT  mode,  the  cursor is displayed as an 
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删除
Del
Operation GSK928TC Turning CNC System
underline. Or not, change the mode by pushing button       
2.  Push  the  button              or            to  move  the  cursor  to  the  character  after  insert  position;  3. Input the contents to be inserted 
4. The inputted contents were inserted in front of the character with cursor. 
改写
Rew
For example: The character 
segment
X  
NOTE: Each field (a letter  and t he following figures) must be blocked off by the space in the segment. 
When input  the program, the  space can be  created automatically. But  when insert characters,  the field  can’t be  identified automatically, so the  space must be inputted manually to ensure the integrality 
og the program.   
 N0020  G0  X0.0  Z0.0
 and input character 
4.3.3.6 Delete the field in the segment
 1 
 needs to be inserted between characters X  and O   in the 
  ,  Move  the  cursor  under  the  character   
 1 
 , Now the segment 
N0020 G0 X10.0 Z0.0.
 0  
after  character
Delete the needless fields in the segment  1. Move the cursor to the character to be deleted by pushing the button       or        2. Push the button       to delete the character at the cursor.   
4.3.3.7 Amend the segment’s contents
删除
Amend the segments contents with two methods (Insert/ Rrewrite). 
In Insert Mode, amend the contents by delete and insert.   1. Move the cursor to the character to be amended by pushing the button      or       2. Input the new contents  3. Then delete the needless contents  In Rewrite Mode, amend the character with cursor.  1. Select rewrite mode by pushing the button         .  (The  character with  the cursor  is 
改写
Rew
displayed as highlight square; 
2. Move the cursor to the character to be amended by pushing the button      or      ;  3. The cursor move to the next character after input a new character. 
For example: Replace X with U in the segment 
N0020 G0 X 0.0 Z0.0 
1.  Select the Rewrite Mode  2.  Move the cursor to the character X   3.  Input the character U 
Then the segment 
N0020  G0  U    0   .0  Z0.0 
is displayed.
4.3.3.8 Overleap the segment
If  insert  the  character  /  in  front  of  the  Serial  Number  N  ,  this  segment  will  be  overleapped 
to run the next segment when this system runs this program. 
1.  Select the Insert Mode  2.  Move  the  cursor  to  the  segment  to  be  overleapped,  and  push  the  button        to  move  the  cursor 
to the charater N   
3.  push  the  button 
 N / 
  twice continuously,  the  first  is  insert  the  character  U  in  front 
of the character N ,the second is change the character U to character / 
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Operation GSK928TC Turning CNC System
X 0090. 000
Z 0125. 000
手动
4.4 JOG Mode (Manu Mode?)
In  JOG  Mode,  the  movement  of  the  machine s  slider,  the  stop  and  start  of  the  spindle  and  the 
coolant,  tool  change,  return  to  reference  point  and  mechanic  point  in  X,  Z axis  and  other  functions  can  be  finished  by  keyboard.When  the  CHCD  bit  of the  parameter  P11  is  1,  the  actual  speed  of  the  spindle can be displayed. When the CHCD bit of the parameter P11 is 0, the setting speed is  displayed. 
Push button           to  enter  the  JOG  Mode (Manu Mode?).  There  have 
in  this  mode. Initial  mode  is  JOG  mode, push button          to  switch  between  JOG and Step  Mode.If  the Electric  handwheel  is  assemblied  in  this  system. The handwheel  control  can  be adopted. The  display in JOG mode is PICTURE 11 as follows:
JOG
FEEDRATE 100% SPINDLE STOP FASTRATE 100% SPDL REV 0000
COOLANT OFF TOOL 1 OFFSET 0
EDIT MANU AUTO PARA OFFT DIAG
PICTURE 11  Manual Jog Feed 
单步
Step
MANUAL JOG
MANUAL JOG
  and 
MANUAL STEP
4.4.1 Jog in JOG Mode
Keep pushing the manual axis move button, the slider of the machine will be continuous to 
move along the axis direction that was selected until the button is released. It moves with  the speed preestablished. The Manual axis move buttons are as follows:   
Move the x axis along negative direction.
Move the x axis along positive direction.
Move the z axis along negative direction.
Move the z axis along positive direction.
4.4.2 Step feed in JOG mode
In  Single  Steep  Feed,  push  the  manual  axis  move  button  once,  the  slider  of  the  machine  moves 
one preestablished  step  along  the  select  direction.  Keep  pushing  the  manual axis  move button,  the  slider will  be  continuous  to  move  with  step  until  the  last  step  is achieved when  the  button  is released. Ref. PICUTRE 12.  
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Operation GSK928TC Turning CNC System
X 0090. 000
Z 0125. 000
X 0000. 000
Z 0000. 000
FEEDRATE 100% SPINDLE STOP FASTRATE 100% SPDL REV 0000
EDIT MANU AUTO PARA OFFT DIAG
MANUALSTEP 0.001
COOLANT OFF TOOL 1 OFFSET 0
  PICTURE 12    Single Steep Feed 
In  Single  Step  Feed,  the  step  can  be  defined  as  7  grades 
Push the button      to switch from one kind of step to another orderly.   
Note 1: In single step feed, push the button       to stop the move of the slider, the unfinished steps 
don’t be held . To move continuously, it is  necessary to push the manual axis-control button again. The step  in X axis is move value in diameter.  
Note 2: The the slider can move after push the manual axis move button  only when the external switch of 
the spindle and feed-hold is in appropriate  state. In feed-hold state, the slider does not move by pushing  the manual axis move button.  
Note 3: When the slider is moving in Single step feed, the feed - hold button is changed to the feed-hold 
state, the slider will reduce the sp eed to stop, and the unfinished steps don
4.4.3 Handwheel Control Mode
In  the  handwheel  control  mode,  the  move  of  the  slider  can be  controlled  by turning  the handwheel. 
Push the  button           or          to  enter  the  Handwheel  Control Mode and to  select the move  axis.  
For example ( X axis):
EDIT MANU AUTO PARA OFFT DIAG
HANDWHEEL X 0.001
FEEDRATE 100% SPINDLE STOP FASTRATE 100% SPDL REV 0000
COOLANT OFF TOOL 1 OFFSET 0
0.001  0. 01  0.1  1.0  10.0   50.0
t be held. 
1.  Select the axis to be moved by handwheel, turn the handwheel to move the axis          Turn the handwheel clockwise, the axis moves forward          Turn the handwheel withershins, the axis moves forward    2.  The move unit of the handwheel has three grades 0.001,0.01,0.1mm. Push the button       To  switch from  one  grade  to  the  next  one.  When  change  between  the  handwheel  control  and  the  Single Step feed, the move grade keeps the enactment.   
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PICTURE 13    Handwheel Control
Operation GSK928TC Turning CNC System
Note 1: The rev of the handwheel should not be more then 5 rev/second,  otherwise the move of slider  will not 
accord with the scale of the handwheel.  
Note 2: In handwheel control, all the functions relatved with axis such as JOG,  Reset, relative/absolute 
movement are invalid, but the S, M, T ans other assistant functions are available.  
Note 3: The handwheel will not work if the external spindle stop button or feedhold button keeps  valid.   
4.4.4 Manual Feedspeed Selection
In Manual Feed, select the multiple of the feed speed. (It is displayed as FEEDRATE) 
      The  feed  multiple  increases  one  grade  when  push  this  button  once. The max multiplies 
is 150%.  
          The  feed  multiple  reduces  one  grade  when  push  this  button  once.  The  min. multiple  is 
0%. 
    Note 1: In Manual JOG or handwheel feed, the feed multiple must be seted exactly before  operation. 
    Note 2: In Manual Step, the feed multiple can be seted in operating.   
The manual feedspeed multiple is 16 grades from 0% to 150% as follows: 
F eed multiple 
(FEEDRATE) 
0   0   10  4.3  20  12.6  30  20  40  32  50  50  60  79  70  123  80  200  90  312 
100  420  110  530  120  600  130  850  140  1000  150  1262 
  Feedspeed / 
min
4.4.5 Manual quick move speed selection
In manual  feed,  the  slider  can  be  moved  quickly. The quick  move  speed  can  be  seted  by quick 
move multiple (It is displayed as FESTRATE) with four grades 
25%,50%,75%,100%
 . 
The actual move speed is defined by quick feed move and quick multiple.  
X axis actual move speed  =  P06  quick multiple      Z axis actual move speed  =  P05  quick multiple     
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Operation GSK928TC Turning CNC System
X 0090. 000
Z 0125. 000
The slection of the Manual quick move and quick multiple are as follows: 
         Switch between manual feed and manual quick move.  
Push this button to increase the multiple one grade. 
Push this button to reduce the multiple one grade.  
In  Manual  Feed,  push  button          to  switch  to  quick  manual  move,  and  the  quick  indicator  lights,  the  quick  multiple  and  feed  multiple  indicate  as  highlight  square.  Push  this  button  again  to  return  to the manual feed.  
The PICTURE 14 is in manual feed. 
      Note 1: In Manual Jog, the quick multiple must be defined before operation.  
    Note 2: In Manual Step, the quick multiple can be defined in operation.  
FEEDRATE 100% SPINDLE STOP FASTRATE 100% SPDL REV 0000
COOLANT OFF TOOL 1 OFFSET 0
EDIT MANU AUTO PARA OFFT DIAG
                        P icture 14 MANUAL FEED  
MANUAL JOG
4.4.6 Define the workpiece coordinate  
This
 GSK928TC 
benchmark  of  the  tool  regulation  and correlative  dimension.  As  soon  as  the  system  is  assemblied,  the workpiece coordinate must be defined first. And when the loss of synchronism or the other  unapt coordinate position, it is necessary to define the coordinate again. 
Define the workpiece coordinate as follows:  1 Install  the  trial  workpiece  reliably  on  the  machine,  and select  any  one  of  the  tools  (usually 
the earlier using tool is selected) 
Select the seemly spindle speed, then start spindle, move the tool in manual feed, cut 
a little shoulder on the workpiece.  
Under  the  tool  hasnt  move  on  the  X  axis  direction,  the  tool  moves to the  safe position 
along the Z axis direction. Stop the spindle. 
Measure  the  diameter  of  the  shoulder,  push  the  button      ,the 
push the  button  X  ,  the  system displays  the button 
button  5 Start the spindle again, move the tool in manual feed, cut an end on the workpiece.  6 Under  the  tool  hasnt  move  on  the  Z  axis  direction,  the  tool  moves to the  safe position 
along the X axis direction. Stop the spindle.
system  adopts  the  floating  point  scale. The  workpiece  coordinate  is  the 
Enter
, the X axis coordinate is defined automatically. Otherwise, Push the 
ESC
 to cancel the X axis coordinate. 
SETUP  X
输入
Input
 ,  input  the metrical diameter  and  push 
 SETUP 
  is  displayed,then 
Select  a  datum  mark  (a fixure  on  the  machine,  such  as  chuck  end,frock  datum plane),measure 
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Operation GSK928TC Turning CNC System
the distance from the datum mark to the machined end on the Z axis direction. push the 
button      ,  the 
  ,  input  the metrical diameter  and  push  the  button 
输入
Input
 SETUP 
  is  displayed,then  push  the  button  Z  ,  the  system  displays 
Enter
,  the  Z  axis  coordinate  is  defined 
SETUP   
automatically. Otherwise, Push the button 
After establish the workpiece coordinate, all the system offsets are cleanned out. If the  workpiece  coordinate  isn’t  defined,  there have  warp  between  displayed  scale  and  the  actual  dimensions  in  the  X,  Z  axis. Before  define  the  workpiece  coordinate,  please initialize  the  system.     
4.4.7 Define the program reference point
The  program  reference  point  can  be  the  any  position  on  the  machine.  Once  the  program  reference  point  is  defined,  the machine  will return  to  this  point  by  running  G26,  G27,  G29  dictates or  pushing  the return buttons and quash the tool compensation and system offset, except for defining the  coordinate again. 
Push the  button 
ZERO .Push the button 
After  define  the  workpiece  coordinate  again,  the  primary  scales  are  kept in  the  new  coordinate. 
So the program reference point needs to be defined again. The initial value of the reference  point in this system is X=150, Z=150 
INPUT
  to  display SETUP.Then  push the  button  0  to  display PROGRAM
Enter
 again to confirm or push the button 
4.4.8 The relative coordinate move of the axis
In  Manual  Jog  mode,  the  slider  can  move with  the  input  stage  and  direction  or  with  the  system 
setting step. 
1.  select the axis to move, push the button U to move the X axis, then display 
push the button U to move the Z axis, then display 
2.  Input  the  move  stage  by  keyboard  (negative  value  for  axis  negative  direction),  the  value 
of  X  axis  is  Diameter.  Push  the  button     to delete the wrong input.  Push the button 
ESC
 to cancel the input and return to the Manual Jog mode. 
3.  Push  the  button  Enter  after  finish  the  input  to  display RUN  ,push the  button            to 
move the input stage along the setting direction. Push the button  move and return to Manual jog mode. 
4.  The move speed is the current seting speed.  
For example: If the slider of the machine moves 15.8 mmm in the negative direction of the 
X axis. 
Push U – 1 5 . 8 Enter to display RUN , push the button      to move 
15.8mm in the negative direction og the X axis. 
ESC
 to cancel the Z axis coordinate. 
ESC
 to cancel. 
MOVE  W
 . 
 ESC
MOVE U
 to cancel the 
 , 
4.4.9 The absolute coordinate move of the axis
In  Manual  Jog  mode,  any  axis  can  move  from  the  current  position  to  the appointed position 
directly.  
1. Select  the  axis  to  move,  push  the button  X  to  move  the  X  axis,  and  display 
the button Z to move the Z axis, and display 
2. Input  the  axis  coordinate  (diameter in  X  axis)  of  the destination by  keyboard,  the  wrong 
input can  be  deleted  bu  pushing  the  button         .  Push  the  button  ESC  to  cancel  the input  and return to Manual Jog mode. 
3. After  input, push  the  button 
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Enter
MOVE    X 
MOVE    Z
 to let  the  system cacaulate  the move  distance and 
. 
,  push 
Operation GSK928TC Turning CNC System
direction, then  display RUN . Push the button to move to the appointed position. Push ESC to stop and return to the Manual Jog mode.
4 It moves with the current defined speed. 
For example: the Z axis scale is 50, need to move to 85. 
Push  the buttons Z 8 5 Enter to display RUN? , push the button to move
the Z axis to the postion of Z85.
Note: In Manual Jog mode, only one axis can move with the prearanged speed at one time.   
4.4.10 Manual Input and M functions
In  Manual  Jog  mode,  The  M  functions  can  be  run  by  inputing  the  M  functions  code.  Push  the  button M to  display  M, input  one  or  two  bit  figure,  and  push  the  button  corresponding M function, or push the button ESC to cancel. 
Push the buttons M,0,3 and Enter to start the spindle to run forwards.  
The following M functions can be run: 
M03 M04 M05 M08 M09 M10 M11 M32 M33 M21 M22 M23 M24  If the left digit is zero, it can be omitted.
4.4.11 Manual Spindle Control
In  Manual  Jog  mode,  the  positive/reverse  turn  and  stop  of  the  spindle  spindle  can  be  controlled  by  the  keyboard.(pls  reference  to  the  operation  manual  of  the  machine,  If  the  external  Emergency  button  or  Feed/spindle  hold  button  is  set  on  the prohibited    state,  the  machine  doesnt  run  even  if the run buttons are pushed) . 
Spindle positive rotation button The spindle rotates counter -clockwise (watch from the motor shaft) by pushing this button. Display SPINDLE CW
Spindle stop button The spindle stops running when push this button. Display SPINDLE STOP
Spindle negative rotation button The spindle rotates clockwise (watch from the motor shaft) by pushing this button. Display SPINDLE CCW
Note: With the MSP bit of the paramtere P12, define if there has the signal output of the spindle control  when the spindle stops. If the MSP is 1, there has the signal output of the spindle control when the spindle 
stops. I f the MSP is 0, there hasn’t the signal output of the spindle control when the spindle stops.   
Enter
 to run  the 
4.4.12 Manual spindle rev control
For  machine  with  the  motor  of  the multilevel  speed,  in  Manual  Jog  mode,  Push  the  button          or  input the rev code directly to define the spindle speed. 
l When  the  MDSP  of  the  parameter  P12  is  zero  (  the  spindle  rev  control  is  the multilevel 
rev), Select the multilevel rev control by the SCOD bit of the parameter P11.When the  MDSP is 1, the SCOD bit is of no effect.  
SCOD=0,output  the  signal  with  the  bit  directly,  each  bit  corresponds  to a  speed. There have 
4 bits from S0 to S4 , the output signal is ineffective. 
SCOD=1,output  the  signal  with the  code, the  code  must  be  translated  into  the  spindle  speed 
with the outer circuitry. The scope is from S00 to S15 as follows:  
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Operation GSK928TC Turning CNC System
code  output  bit 
S1                                  S2                                  S3                                  S4                                 
The output signal is valid to correspond to the bit with the symbol  .  
l Input  the  S  code  with  keyboard  to  control  the  spindle  rev.    Push  the  button S,  input  the 
required rev code, and push the button 
with the defined code.  For example: Select the No.8 step spindle rev.      Orderly input S 8
    In  addition,  switch  the  spindle  rev  by  pushing  the  button          too.  By  pushing  this   
button          ,  the  spindle  rev  changes  in S1 S2 S3 S4 (P11,SCOD=0) or S0~S15(P11,SCOD=1). The spindle rev switch from S2 to S1 by pushing the button trice when the spindle rev only has two steps.    
l If the frequency  conversion  motor  drives,  input  the  the rev  to  control  the  spindle  rev 
directly.  Push  the button  S  to display  S,  then  input  the  rev,  and  push  the  button Enter  to output the 0 ̄10V simulate voltage to the frequency invertor. 
l Check  the  encoder  lines.  In  Manual  Jog  mode,  the  pulse  numbers  per  rotate  can  be  checked 
directly. Start  the  spindle,  push  the  button         , and  then  display  the  pulse  number  per rotate. If the encoder isnt assemblied exactly or the spindle isnt started, 
编码器信号错
l To  increase  the  torque  at  the  low  frequency,  some  machine  adopts teo steps gearshift. 
This sytem offers a input signal SHL and the parameter P09, P10. The input signal SHL   is  used  to  check  the  gearshift  step.  The  parameter  P09  is  used  to  define  the  biggest rev  in the low gearshift step. The parameter P10 is used to define the biggest rev in the  high  gearshift  step.  After  input  the  rev  directly,  the  rev  will  be  translated into  the  simulate voltage to control the frequency invertor. 
l If  the  CHCD  bit  of  the  parameter  P11  is  0,  display  the  seting  spindle  rev.  If  the  CHCD 
bit of the parameter P11 is 1, display the actual spindle rev. 
Note 1: The spindle rev control mode can be set by the MDSP bit of the parameter P12. MDSP=0, multilevel 
Note 2: If the MDSP bit of  the parameter P12 is 1,  the SCOD bit of the  parameter is invalid, the spindle 
S00  S01  S02  S03 S04 S05  S06  S07  S08 S09 S10 S11  S12  S13  S14 S15
Enter
, then the rev control signal is exported 
  E nter
 to output the S8 rev signal and display 编程转速 S08. 
空运行
Dry
 is displayed,push any button to return to the Manual Jog mode. 
control; MDSP=1, 0 ̄10V simulate voltage control.  
control is only frequency conversion control, and the outputs S1,S2,S3,S4 ,S0 ̄S15 and the s pindle  shift button are ineffective.  
4.4.13 Manual coolant control
In manual Jog mode, start/stop the coolant  Push the button      to start/stop the coolant. When the coolant is working, display  
COOLANT  ON
, at the same tome, the LED on the button       is lightened.  
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Operation GSK928TC Turning CNC System
4.4.14 Manual Tool-exchange Control
Usually,  this  system  can  control  the  4  position electric  toolpost.  By  coding  the  tool  number 
T1 T4, it can control the 8 postion toolpost. 
Three kinds of toolexchange methods: 
  Method  1. If  set  the  MODT  of  the  parameter  P12  as  0,  Push  the  button       once, the  toolpost 
switches to the next postion, and display the next tool number. 
  Method  2.  If  set  the  MODT  of  the  parameter  P12  as  1,  Push  the  buttons      , 
switches  to  the  next  postion,  and  display  the  next  tool  number.  After  push  the  button     , push  any  other  button  except  the  button 
  Method 3.  Input  T * 0  directly  by keyboard  (* is  the  tool number  to  be employed), and push 
the button 
Note 1:  In method  1 and  2, the tools  can be  exchanged, but it  can
3, input the  compensation number  following the  tool number  *,  the tool compensation can  be executed.   For example:       Input T22, switch the No.2 tool and apply the No.2 tool compensation        Input T31, switch the No.3 tool and apply the No.1 tool compensation        Input T40, switch the No.4 tool and cancel the tool compe nsation       Input T00,  escape the toolexchange and cancel the tool compensation   Note 2: If the electric toolpost is failure, display      刀位号报警   .  Note 3: This system adopts the absolute tool exchange, so every tool number is immovable on the toolpost. 
When install the tool, the actual tool position must be accordant with the displayed  tool number.  Note 4: When  the TCON of  the parameter  P11 is 1, the lineup   tool is choosed, there is  not the  signal output 
when the tool exchanges.   Note 5: In  method 3, the tool  compensation can be realized  by moving  the slider of the  machine or amendingthe 
coordinate. It is defined with the PTSR of the paramete r P11.   
PTSR=0 Move the slider to realize the tool compensation.     PTSR=1 Amend the coordinate to realize the tool compensation.   
Enter
 to switch to the 
Enter
  ,the  toolpost 
Enter
,  the  tool  will  not  exchange. 
*  
tool.  
t realize the tool compensation.  In Method 
4.4.15 Manual Tool Regulate
Usually,  many different  tools  are  adopted  in  cutting  one  workpiece. The  tools  point  can  not 
coincide  due  to  install  warp  and  different abrasion.  To  avoid  the tool compensation  at  programming,  this  system  set  the  tool  regulation  that the tool  offset can  be  created by  this  system  automatically.  When  user  edits  the  user  program  according  to  the  workpiece  drawing  and the cutting  art,  the tool  offset  isn’t considered. In  user  program,  transfer the  corresponding  tool  compensation  with  toolexchange dictate. 
Here are the two methods in this system: 
Trial cutting tool regulation:  
(The  workpiece  coordinate  must  be  defined first. The  regulattion  method  is  same  as  to  define 
the workpiece coordinate) 
1. Install the trial workpiece reliably on the machine, and select any one of the tools  (usually the earlier using tool is selected)  2. Select the seemly spindle speed, then start spindle, move the tool in manual feed, cut  a little shoulder on the workpiece.  
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Operation GSK928TC Turning CNC System
3.  Under  the  tool  hasnt  any  move  on  the  X  axis  direction,  the tool  moves  to  the  safe  position 
along the Z axis direction. Stop the spindle. 
4.  Measure  the  diameter  of  the  shoulder, push  the  button  I ,  the   
input the metrical diameter then push the button  is  the tool  number),  and  push  the  button
 Enter
Enter
 , the system displays 
, the  tool  offset  in  X  axis is figured  out   automatically, the system  deposits  the  offset  in  the corresponding  offset  parameter  storage. 
In  the  OFFSET  mode,  it  can  be  amended  or  viewed.  When  display  of  1 ̄8,and  push  the  button
 Enter 
,then  the  tool  offset  in  X  axis  is  figured  out  automatically, the system deposits  the offset  in  the  corresponding  offset  parameter  storage.  Otherwise  push  the  button ESC  to  cancel  the  figuring  and  depositing  the  offset  in the X axis. 
5.  Start the spindle again, move the tool in manual feed, cut an end on the workpiece.  6.  Under  the  t ool  hasnt  any  move  on  the  Z  axis  direction,  the  tool  moves  to  the  safe  position 
along the X axis direction. Stop the spindle.  Select  a  datum  mark  (a fixure  on  the  machine,  such  as  chuck  end,  frock  datum  plane),  measure  the distance from the datum mark to the machined end in the Z axis. Push  the  button K, 
OFFSET  X
T * X 
  is  displayed, 
T * X
 (* 
,input the  a  figure 
the 
OFFSET Z
display
 is displayed,then input the metrical diameter and push the button
 T * Z ( *
  is  the  tool  number),  and  push  the  button
 Enter
, the  tool  offset  in  Z 
 Enter
, 
axis is figured  out  automatically, the system deposits  the  offset  in  the  corresponding  offset parameter storage.  
In  the  OFFSET  mode,  it  can  be  amended  or  viewed.  When  display  of  ,and  push  the  button
 Enter 
,then  the  tool  offset  in  Z  axis  is  figured  out 
T * Z 
,input the  a  figure 
automatically, the system  deposits the  offset  in  the  corresponding  offset  parameter  storage. Otherwise  push  the  button 
ESC
  to  cancel  the  figuring and  depositing  the  offset 
in the Z axis. 
7.  Change the next tool, Repeat the above approaches to seting this tool.  8.  If the workpiece coordinate hasnt any change, All tools can be regulated such this.  
Pointing tool regulation  
1. Install the trial workpiece reliably on the machine, and select any one of the tools  (usually the earlier using tool is selected) as a reference tool.
2. Select the seemly spindle speed and start the spindle.
3. Select the seemly manual feed speed. In Manual Jog mode, move the tool to close to the selected point on the workpiece. After confirm the tool point coincides with the selected point on the workpiece, stop moving the tool.
4. Push the button Enter, the tool number and tool offset are displayed with highlight, push the button twice continuously. The display of the tool number and tool offset is in normal again, now the tool coordinate is deposited, and this tool coordinate goes into the benchmark to regulate the other tools. (Except the reference tool, the other tool can’t be operated with this approach).
5. Push the button Enter, and the button to confirm, (if regulate the tool again for the damage of the primary tool, please push the button ), the display of the tool number and the tool offset is in
输入
改写
normal, the tool number and the tool offset are figured out and deposited the current tool parameter storage. In the OFFSET mode, the tool offset can be amended or viewed.
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Operation GSK928TC Turning CNC System
6. In Manual Jog mode, Move out the toolpost to the position where the tool can be exchanged safely. Exchange the regulating tool to the working position.
7. Repeat the above approach 2, 3, 5 up to finished the all tool regulations.
Note 1: With tool regulator, the regulate point should be set at the cross point of the tool regulator 
when the spindle stops.  
Note 2: In the OFFSET mode, the created tool offset can be amended and viewed. C onsult the description 
on the OFFSET mode.  
Note 3: If the tool is damaged or replaced, select any other tool as the reference tool. Fisrt, regulate 
the reference tool to the selected pointg on the workpiece and  confirm the oofset as reference  tool such as above approach  4, but refuse above approach 5.  Escape to  the safe positon  to exchange  the new tool, and then repeat above approaches 2, 3, 5  to regulate the non-reference tools. (The  offset of the  primary tool isnot always zero) 
Note 4:  If there are the  lineup tools in  use, the metrical  offset is negative in  trial cutting tool  regulation 
when the regulating tool is on the other side of the workpiece.  Rewrite the sign of the offset  by pushing the button +/ -  in the pointing tool regulation.  
4.4.16 Manually return to the program reference point.
After  defined  the  program  reference  point  (program  origin),  push  this  button  to return to 
this point at any moment.  
            X axis returnning to program reference point Button : It is valid only on the JOG/AUTO mode. Push this button to return from the current positon to the program reference point in x axis with the current quick move speed.
             Z axis returnning to program reference point Button: It is valid only on the JOG/AUTO mode. Push this button to return from the current positon to the program reference point in z axis with the current quick move speed.
Note: After return to the program reference point in X axis and Z axis, all tool offset and system offset are cancelled,
and display T * 0 ( the * is the current tool number).
4.4.17 Manually return to the machine reference point (mechanic origin)
Fix  a  machine  reference  point  on  the  machine.  After  return  to  the  machine  reference  point,  go  back  to  the  start position  (the  start  position  must  be  set  first)  to  delete  cumulation  error  or to avoid the accident.  
Note: to cancel the function to return to the machine  reference point, set the MZRO bit  of the parameter P12 on 0. 
            X axis returnning to machine reference point Button: It is valid only on the JOG mode. By
pushing this button, move the tool to the machine reference point in X axis with the current quick move speed.
            Z axis returnning to machine reference point Button: It is valid only on the JOG mode. By pushing this button, move the tool to the machine reference point in X axis with the current quick move speed. 
If the MZRM bit of the parameter P12 is 0, the reset  process is as follows: 
 The  slider  moves along  the  positive  direction  of  the  appointed  axis.  After  the block  on  the 
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Operation GSK928TC Turning CNC System
X 0090. 000
Z 0125. 000
自动
slider  pushes  down  the  reset deceleration  switch,  the  slider  begin  to  decelerate  to  the  lowest 
speed (it is defined by the parameters P17 or P18), and keep moving with this speed until 
the block disengages from the reset deceleration switch.  
 When this system receive the encode signal (or the zero signal of the proximity switch), 
the slider arrive at the coordinate origin, the slider stops to finish the reset. 
If the MZRM bit of the parameter P12 is 1, the reset process is as follows: 
 The  slider moves  along  the  positive  direction  of  the  appointed  axis.  After  the block  on  the 
slider  pushes  down  the  reset deceleration  switch,  the  slider  begin  to  decelerate  to  the  lowest 
speed  (it  is  defined  by  the  parameters  P17  or  P18),  and  keep  moving with  this  speed  to  reset 
the coordinate. 
 When the block disengages from the reset deceleration switch, the reset finishes.  
Note 1: Returnning  to the machine reference  point is  positive, so confirm  that the  toolpost i s in  the negative  direction of the machine reference point before returning to the machine reference point. 
Note 2: To avoid the accident, the MZRO bit of the parameter P12 must be defined in 0, if there has n ot  the reset deceleration switch on the machine .  
4.5 AUTO mode
In AUTO mode, this system runs according to the user program step by step. 
Push the button      to  enter  AUTO  mode. There have  try  run,  machining  run,  single segment  run and continuous machining run in AUTO mode. 
AUTO
AUTOCONTINUE %00
*N0000 G50 X100 Z100
N0010 M3 S2
FEEDRATE 100% SPINDLE STOP FASTRATE 100% SPDL REV 0000
COOLANT OFF TOOL 1 OFFSET 0
EDIT MANU AUTO PARA OFFT DIAG
PICTURE 15  AUTO mode
4.5.1 Fuction buttons in AUTO mode
单段
Single
Change  the  run  mode  between  AUTO  SINGLE  and  AUTO  CONTINUE  by pushing  the button               ,  the corresponding run  mode  is  displayed  as 
mode. When  the  program  is running  in  Auto  Continue  mode,  it  can  pause  after  the current  segment 
24 GSK CNC Equipment Company
Switch between AUTO SINGLE mode and AUTO CONTINUE mode.
AUTO SINGLE
 in  singlo  mode  or 
AUTO CONTINUE
单段
Single
 in  continue 
Operation GSK928TC Turning CNC System
Input
by pushing this button. Run the next segments by pushing the RUN button      .  
空运行
Dry
Change  the  run  mode  between  dry  running mode  and  machining  mode  by  pushing  this  button            .  In  dry  running  mode,  the  LED  on  the  button             is  light,  the  sliders of  the  machine  are actionless  and  the  other  assistant  functions are  invalid. In  machining  mode,  the  LED  on  the  button is  lightless.   
    Push this button                to  select  the  segment  to  be  run,  then  push  then button      to  start from this segment.  
In AUTO SINGLE mode, push this button      to run one segment. In loop dictate, an action  will be carried out by pushing this button.  
In  AUTO  continue  mode,  push  this button            to  run  the  all program  once  from  cover  to  cover.  
When  the  program  is  running,  push  this  button  to  speed-down  and  stop,  then  it  displays 
Switch between dry running mode and machining mode
空运行
Dry
输入
Select the segment number
Input
输入
Input
Run button
Feed hold button
空运行
Dry
PAUSE!
with highlight.  Push  the  run  button       to next  program, otherwise, push the  button 
ESC
 to 
escape from the current program running. 
4.5.2 Run the program automatically
Enter the Auto mode after all are ready, run the selected program orderly to machine the  workpiece automatically. 
4.5.2.1 Run from the first row of the program
After  enter  the  AUTO  mode,  the  two  segment  to  be  run  are displayed,  and  the  sign  *  is  displayed  in front of the current segment. Push the Run button     to start running automatically.The  running segment is displayed on top, the second row is the segment to be run. 
4.5.2.2 Run from the appointed row in the program
In  some  special  conditions,  it  is  necessary  to run  from  the  appointed segment  in  the  program.  This  system  allows  to  start  the  current  program  from  any  segment  in  this  program  and  to park the  toolpost on the corresponding position. 
1. Select the appointed row in the program to be run. 
   a) Push the button      to display the first row in the current program. 
输入
     b)  Push  the  buttons                       to  page  up/down  the  displayed  segments. Push ESC  to  return 
to the former displayed segment.  
2.  When  the  appointed  segment  is  displayed  on  top,  push  the  button 
prompts 
RUN?
 to wait for the next operation. 
Enter
,  then the  system 
GSK CNC Equipment Company 25
Operation GSK928TC Turning CNC System
3.  When  the  system  prompts  RUN?  ,  push  the  Run  button         to  move  to the  corresponding 
coordinates  automatically  as  same  as  G00  mode. Otherwise,  push  the  button  ESC  to  return  to the former displayed segment.  
4. Push the button      again to run from the appointed segment automatically. 
Note 1: The appoint segment can’t be in any fixed loop or compound loop, otherwise the result must be out of
expectation.
4.5.2.3 Single segment run and continue run
Validate the new program with Single mode. Run one segment by pushing the Run button    
 once.After confirm  the  action  of  the  machine  is  exact,  push  the  Run  button          to  run  the  next  segment,  repeat  above  operation  up  to  the  end  of  the  program. Otherwise, if there  has  any  segment  unsuitable  for  the expectant  action, stop  running  to  return  to  the  program  reference point.  Correct the program thouroughly, then can run the program in Auto continue mode.
Switch between SINGLE mode and CONTINUE mode by pushing the button .
单段
Single
1. Push the  button              when  there  has  not  the  program  that  it  is running, switch between  SINGLE  mode  and  CONTINUE  mode,  and  display  the  corresponding  mode. Display  segment running mode, display 
2.  When  there  has  a  program  that  it  is  running,  push  this  button              to  pause  after  finish 
the current  segment,  and  display 
单段
Single
AUTOCONTINUE
SINGLE STOP
 in continue running mode. 
  with highlight  as  PICTURE  16.  Push  the  Run  button  
单段
Single
AUTO SINGLE
  in  single 
to  continue  running  the next  segments  in  AUTOCONTINUE  mode.  Only  after  finish  the  current 
program, can  switch  to  the  SINGLE  mode by  pushing  the  button           .  Single  Stop  can  be  repeated 
单段
Single
in running one program continuously.  
3. The button is invalid in running the program with SINGLE mode.  
单段
Single
Note: The initial state  is AUTOCONTINUE mode.  
4.5.2.4 Dry run and machining
Validate the new program with dry run mode before machining with the program. This system  can  display  the  coordinates  in  dry  run mode,  so  can  check  if  the  coordinates  agree with  the  actual  demand,  if  the relations  between  segments  are exactly  to  avoild  the accident  of  error  data  input.  Switch  Dry  run  mode  and  machining  mode  bu  pushing  the  button          . The led  on the button       is 
空运行
Dry
空运行
Dry
lighting in Dry run mode. 
N ote 1 .  In Dry run mode, the coordinates don
Note 2. The initial state is Machining mode when enter AUTO mode.  
t move, the assistant functions are invalid.  
26 GSK CNC Equipment Company
Operation GSK928TC Turning CNC System
X 0090. 000
Z 0125. 000
X 0090. 000
Z 0125. 000
PICTURE 17 DISPLAY IN PROGRAM RUNNING
AUTOCONTINUE %00 SINGLE STOP
*N0000 G50 X100 Z100
N0010 M3 S2
FEEDRATE 100% SPINDLE STOP FASTRATE 100% SPDL REV 0000
COOLANT OFF TOOL 1 OFFSET 0
EDIT MANU AUTO PARA OFFT DIAG
PICTURE 16 SINGLE STOP
4.5.3 Display in program running
In  program  running,  this  system  can  display  the  running  states,  coordinates,  workpiece planar  skeleton map, and trail of tool point and so on. It is very convenient to monitor and control  the system and the machine.  
Display contents:
1. The dynamical coordinates, the dynamical planer outline or the trail of tool point
2. The contents of the current running segment
3. The states of spindle, coolant, rev, tool and other assistant functions
4. Feed and quickmove speed multiple
4.5.3.1 Coordinates display in program running
The  initial  display  mode  is  the  coordinates  display  when  enter  the  AUTO  mode  as  PICTURE17.   
Push the  button  change  from  the  coordinates  display  into trace  display,  only can  display  the  trail  of  the  tool  point after switch, the trail of the tool point cant be displayed before switch.  
 T 
N0010 M3 S2
 to  switch  between  the coordinates display  and  the  trail  display.  When 
AUTOCONTINUE %00
*N0000 G50 X100 Z100
FEEDRATE 100% SPINDLE STOP FASTRATE 100% SPDL REV 0000
COOLANT OFF TOOL 1 OFFSET 0
EDIT MANU AUTO PARA OFFT DIAG
4.5.3.2 Figure display in program running
When there has not the program that is running in AUTO mode, push the button
GSK CNC Equipment Company 27
 T 
to display the
Operation GSK928TC Turning CNC System
PARA OFFT DIAG
workblank outline with actual planar dimensions and the simulated tool shape as PICTURE 18.
Switch between the actual planar outline display and the trail display of the tool point  by pushing the button
PICTURE 18 ACTUAL PLANAR OUTLINE DISPLAY IN AUTO MODE
N0000 G50 X100 Z100
EDIT MANU AUTO PARA OFFT DIAG
 Z 
when there has not program that is running in AUTO mode as PICTURE19. 
N0000 G50 X100 Z100
PICTURE 19 THE TRAIL DISPLAY OF THE TOOL POINT
AUTO CONTINUE %00
Z
X
FEEDRATE 100% SPINDLE STOP FASTRATE 100% SPDL REV 0000
COOLANT OFF TOOL 1 OFFSET 0
AUTO CONTINUE %00
Z
X
FEEDRATE 100% SPINDLE STOP FASTRATE 100% SPDL REV 0000
COOLANT OFF TOOL 1 OFFSET 0
EDIT MANU AUTO
4.5.3.3 Define the data of the figure display
The screen area of this system is limited, so the figure display can be defined in this system with workblank length and diameter, tool initial offset and display scale. Push the button Enter to set the workblank length and
diameter, tool initial offset and display scale in the  actual  planar  outline  display  or  the  trail  display  of  the tool point as PICTURE 20.
28 GSK CNC Equipment Company
Operation GSK928TC Turning CNC System
Z
PICTURE 20 DEFINE THE DATA OF THE FIGURE
Length: Total length of the workblank, unit : mm
Diameter: Max. Diameter of the workblank, unit : mm
Offset: The distance in Z axis from the program reference point to the machining start on the workblank (the program reference point in X axis is the center of the workblank), unit: mm
N0000 G50 X100 Z100
长度
FEEDRATE 100% SPINDLE STOP FASTRATE 100% SPDL REV 0000
COOLANT OFF TOOL 1 OFFSET 0
EDIT MANU AUTO PARA OFFT DIAG
AUTO CONTINUE %00
Z
X
100
直径
80
偏移
0
比例
2:1
e.g. Workblank length: 100mm
Endface1
Endface 2
If the program reference point is at the endface 1, the offset is 0.
If the program reference point is at the endface 2, the offset is 100.
Display scale: It ensures the display size but it doesn’t change the actual machining dimensions. If the dimension of the workblank isnot suitable for the screen size, the display scale can be adjusted to display the workblank properly.
X
4.5.3.4 Input the data of figure display
When  there  has  no program  that  is  running  or  that  pauses  in  AUTO  mode, push  the  button  Enter  to display the current data as PICTURE 18, and the cursor points to the first figure of the  length.Input  the  data,  push  the  button  Enter  to  confirm  and  input  the  next  group  of data.  Recycle  in the 4 group of data by pushing the button Enter. 
Adjust  the  display  scale  by  pushing  the  button  scale.The  display  scale  has  7  steps  as  4:1    3:1    2:1    1:1    1:2    1:3   1:4. It  can be adjusted  to  realize the best display effect. 
After  adjustment,  push  the  button  the figure dimensions are amended according to the new display scale and the other new data  automatically. 
ESC
  to  return  to  the  Auto  mode.  If  it  is  the figure display, 
 or 
  when  the  cursor  is  at  the  display 
GSK CNC Equipment Company 29
Operation GSK928TC Turning CNC System
When the  display  data  overrun  the  screen. The system  prompts  XZ overlimit,  the  display  data  must be modified again. 
Note 1:  The start position of  the tool must  be out  of the workblank  outline, otherwise,  the machining processs 
can’t be displayed exactly.  
Note 2:  Switch from coordinates  display to figure  display in machining,  only the part of next machining  trail can  be displayed,  but the part of former  machining trail  can’t be displayed. Especially switch 
to the actual planar outlind display, the workpiece outline can new loop. 
t be displayed normally before a 
4.5.4 Operation of the assistant functions
In Auto mode, all the machine assistant functions such as spindle, coolant, speed and other controls can be operated by pushing corresponding buttons manually without the program in running. The coolant can be controlled in running.
Spindle positive rotation button The spindle rotates counter-clockwise (watch from the motor shaft) and the Led on this button is lighted by pushing this button.
Spindle stop button The spindle stops running and the Led on the button or is extinguished when push this button.
Spindle negative rotation button The spindle rotates clockwise (watch from the motor shaft) and the Led on this button is lighted by pushing this button.
Coolant button Switch the coolant on/off. When start the coolant, display COOLANT ON on the secreen and the Led on this button is lighted. When stop the coolant, display COOLANT OFF on the screen and the Led on this button is extinguished.
Spindle shift button Select the spindle speed when the main spindle motor has more then one step speed (not more then 16 steps) and the machine has the control loop.
Note 1: The toolchange fuction can
t be operated in Auto mode.  
4.5.5 Adjustment of the speed mutiple
In Auto mode, the speeds can be adjusted by the speed multiple, but the program or the 
parameter hasnt to be amended. 
Feed speed multiple
It  is  displayed as 
Actual feed speed
FEEDRATE
: adjust the feed speed defined by F dictate. 
 = 
F * feed speed multiple
.It  has  16  steps  from  0% ̄150%  (distance  10%).  All  the  feed  speed 
dictates are restricted by the f eed speed  multiple.  When  the multiple is  0, the  running  stops.  
By pushing the button       , increase the feed speed multiple up to 150%  By pushing the button       , reduce the feed speed multiple up to 0%. 
Fast move speed multiple
X axie actual fast move speed
Z axie actual fast move speed
:  adjust the fast move speed defined in 
 = 
Parameter P05 * fast move speed multiple
 = 
Parameter P06 *  fast move  speed multiple
G00
 and other dictates. 
30 GSK CNC Equipment Company
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