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CNC Lathe Control System
User Manual
Operation&Test
Adtech (Shenzhen) CNC Technology Co., LTD
Address: F/5, 36th Building, MaJiaLong Industrial Park, Nanshan District, Shenzhen City, China
P.C: 518052
TEL:+86-755-2672 2719 (20 lines) FAX:+86-755-2672 2718
Website://www.adtechen.com
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CNC4220 Machine Tool Operation and Test
Copyright Warning
The property right in work regarding all the contents of this manual is owned by Adtech (Shenzhen)
CNC Technology Co., LTD (hereinafter referred to as Adtech), without the permission of Adtech, any
company or individual is not allowed to imitate, copy, reproduce or translate this manual. Our company
makes no warranty, express representation or other imply regarding the contents of this manual. Adtech
and its employees assume no responsibility for any direct or indirect information disclosure, benefit loss
or business termination due to this manual or the products information described in it. In addition, the
products and their information described in this manual are only for the purpose of reference, we
reserve the right to amend the manual without prior notice.
All Rights Reserved, Reprint Not Allowed .
Adtech (Shenzhen) CNC Technology Co., LTD
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CNC4220 Machine Tool Operation and Test
Version Upgrading Instruction
Version
Program No.
Number
XT20061225
Remarks: the meanings of the three numbers in the version number are as follows:
Bank Main Version Number/ Bank Secondary Version Number/ Reservation
Notes:
1. This user manual is strictly emended and checked by ADTECH (SHENZHEN) CNC TECHNOLOGY CO., LTD,
however, it is not guaranteed that the user manual has no any mistake or error.
2. ADTECH (SHENZHEN) CNC TECHNOLOGY CO., LTD commits itself to improve the product functions and the
service quality consistently. Therefore, the company reserves the right of changing any products as described, any
software program, and the content of the user manual, without prior notice.
9.0 2010/2/23 The Ninth Version
Modification
Instruction
Date
2
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CNC4220 Machine Tool Operation and Test
Contents
1. OPERATION MODES AND DISPLAY INTERFACES..................................................................7
1.1. DESCRIPTION OF EDITING KEYPAD.............................................................................................8
1.2. DISPLAY MENUS.........................................................................................................................9
1.3. CNC PANEL...............................................................................................................................9
1.4. OPERATION MODES..................................................................................................................10
1.5. DISPLAY INTERFACE.................................................................................................................11
1.5.1 Position interface..................................................................................................................13
1.5.2 Program display....................................................................................................................15
1.5.3 MDI......................................................................................................................................15
1.5.4 Program directory.................................................................................................................16
1.5.5 KNIFE COMPENSATION INTERFACE.............................................................................16
1.5.6 aLARM INTERFACE..........................................................................................................17
1.5.7 sETTINGS INTERFACE......................................................................................................17
1.5.8 gRAPH INTERFACE...........................................................................................................18
1.5.9 GRAPH PARAMETERS......................................................................................................18
1.5.10 gRAPH DISPLAY..............................................................................................................18
1.5.11 pARAMETER INTERFACE..............................................................................................19
1.5.12 Diagnosis INTERFACE......................................................................................................19
2. SAFE OPERATION......................................................................................................................21
2.1 HARDWARE OVERTRAVEL PROTECTION.....................................................................................21
2.2 SOFTWARE OVERTRAVEL PROTECTION ......................................................................................21
2.3 EMERGENCY OPERATION..........................................................................................................22
2.4 RESET.....................................................................................................................................22
2.5 EMERGENCY STOP....................................................................................................................22
2.6 FEEDING MAINTAINING............................................................................................................22
2.7 CUTTING OFF POWER SUPPLY....................................................................................................22
2.8 TURNING OFF ..........................................................................................................................23
3. MANUAL OPERATION...............................................................................................................23
3.1 MANUAL FEEDING...................................................................................................................23
3.2 QUICK MOVING........................................................................................................................23
3.3 MANUAL MAGNIFICATION SELECTION.......................................................................................23
3.4 QUICK MAGNIFICATION SELECTION...........................................................................................23
3.5 COORDINATES RESET...............................................................................................................24
3.5.1 Relative position reset...........................................................................................................24
3.5.2 CNC coordinates reset..........................................................................................................24
3.6 OTHER MANUAL OPERATIONS...................................................................................................24
3.6.1 Main axis control..................................................................................................................24
3.6.2 Cooling liquid control...........................................................................................................25
3.6.3 Chuck control.......................................................................................................................25
3.6.4 Manually replacing knife......................................................................................................25
3.6.5 Regulation of main axis magnification..................................................................................25
4. SINGLE STEP/HANDWHEEL OPERATION..............................................................................25
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CNC4220 Machine Tool Operation and Test
4.1. SINGLE STEP FEEDING ..............................................................................................................25
4.2. INCREMENT SELECTION............................................................................................................26
4.3. MOTION DIRECTION SELECTION................................................................................................26
4.4. HANDWHEEL FEEDING .............................................................................................................26
4.5. INCREMENT SELECTION............................................................................................................27
4.6. MOTION AXIS AND DIRECTION SELECTION.................................................................................27
4.7. OTHER AVAILABLE OPERATIONS IN HANDWHEEL/SINGLE STEP MODE..........................................27
4.8. DESCRIPTION...........................................................................................................................28
5. MDI OPERATION........................................................................................................................28
5.1. INPUT AND EXECUTION OF MDI INSTRUCTION WORDS...............................................................28
5.2. PARAMETER EDITING AND SETTING...........................................................................................29
6. PROGRAM EDITING AND MANAGEMENT............................................................................29
6.1. CREATING PROGRAM................................................................................................................29
6.1.1 program content Input...........................................................................................................29
6.1.2 Searching instructions words................................................................................................30
6.1.3 Inserting instruction word.....................................................................................................33
6.1.4 Deleting instruction word......................................................................................................33
6.2. DELETING PROGRAM................................................................................................................34
6.2.1 Deleting single program........................................................................................................34
6.2.2 Deleting lines from the program...........................................................................................34
6.2.3 Deleting all programs............................................................................................................35
6.3. PROGRAM SELECTION ..............................................................................................................35
6.3.1 Searching..............................................................................................................................36
6.3.2 Scanning...............................................................................................................................36
6.3.3 Cursor confirmation..............................................................................................................36
6.4. PROGRAM MANAGEMENT.........................................................................................................36
6.4.1 Program directory.................................................................................................................36
6.4.2 locking Program...................................................................................................................36
7. KNIFE BIAS AND ALIGNMENT................................................................................................37
7.1. FIXED KNIFE ALIGNMENT.........................................................................................................37
7.2. TEST CUTTING KNIFE ALIGNMENT.............................................................................................38
7.3. KNIFE ALIGNMENT IN MECHANICAL ORIGIN ..............................................................................39
7.4. EDITING THE BIAS VALUE .........................................................................................................41
7.4.1 Absolute value input of knife compensation..........................................................................42
7.4.2 Increment input of knife compensation.................................................................................42
8. AUTOMATIC OPERATION.........................................................................................................42
8.1 AUTOMATIC RUNNING ..................................................................................................................42
8.1.1 Automatic running start.........................................................................................................43
8.1.2 Automatic running stop.........................................................................................................43
8.1.3 Automatic running in any section..........................................................................................44
8.1.4 Feeding magnification regulation..........................................................................................44
8.1.5 Main axis speed regulation...................................................................................................45
8.1.6 Single section running..........................................................................................................45
8.1.7 Program section skip.............................................................................................................46
8.1.8 Other operations...................................................................................................................46
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CNC4220 Machine Tool Operation and Test
9. ORIGIN OPERATION..................................................................................................................46
9.1. PROGRAM ORIGIN ....................................................................................................................46
9.1.1 Program origin......................................................................................................................46
9.1.2 Procedures of program origin................................................................................................46
9.2. MECHANICAL ORIGIN...............................................................................................................47
9.2.1 Procedures of mechanical origin...........................................................................................47
9.2.2 Other operations in origin mode............................................................................................48
10. DATA SETTING AND SAVING................................................................................................48
10.1. DATA SETTING......................................................................................................................48
10.1.1 Options in setting interface.................................................................................................48
10.1.2 Settings in graph interface...................................................................................................49
10.1.3 System/diagnosis parameters setting...................................................................................49
11. FILE MANAGER......................................................................................................................50
11.1. CONNECTING USB DISK TO PC.............................................................................................50
12. PROCESSING EXAMPLES......................................................................................................53
12.1. CREATING NEW PROGRAMS...................................................................................................54
12.2. PROGRAM VERIFICATION ......................................................................................................56
12.2.1 Graph parameter setting......................................................................................................56
12.2.2 Program running.................................................................................................................58
13. CONNECTION TEST...............................................................................................................59
13.1. MOTOR DRIVE CONNECTION TEST .........................................................................................61
13.1.1 Connection of motor, drive and controller...........................................................................62
13.1.2 Setting and calculation of eletronic gear ratio......................................................................64
13.1.3 Acceleration/deceleration features adjustment.....................................................................65
13.1.4 Troubleshooting for motor drive.........................................................................................65
13.2. HARD LIMIT FUNCTION.........................................................................................................66
13.2.1 Enabling hard limit function...............................................................................................66
13.2.2 Troubleshooting for hard limit............................................................................................67
13.3. MECHANICAL ORIGIN ADJUSTMENT.......................................................................................67
13.3.1 Origin parameter setting......................................................................................................67
13.3.2 Troubleshooting for mechanical origin................................................................................69
13.4. REVERSE CLEARANCE COMPENSATION ..................................................................................69
13.5. DRIVE PROTECTION SETTINGS AND CHECKING .......................................................................70
13.6. MAIN AXIS ENCODER............................................................................................................71
13.6.1 Troubleshooting for main axis encoder................................................................................71
13.7. MAIN AXIS CONTROL............................................................................................................72
13.7.1 Wiring diagram...................................................................................................................72
13.7.2 Main axis parameter setting................................................................................................74
13.7.3 Calibration of analog voltage..............................................................................................74
13.7.4 Time sequence and V/S characteristic diagram....................................................................75
13.7.5 table of Multi-section speed regulation states......................................................................75
13.7.6 Troubleshooting for main axis control.................................................................................76
13.8. CHUCK CONTROL .................................................................................................................76
13.8.1 Wiring diagram...................................................................................................................76
13.8.2 Chuck parameter setting......................................................................................................76
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CNC4220 Machine Tool Operation and Test
13.8.3 Troubleshooting for chuck control......................................................................................77
13.9. TAILSTOCK CONTROL...........................................................................................................78
13.9.1 Tailstock wiring diagram.....................................................................................................78
13.9.2 Parameter settings...............................................................................................................79
13.10. KNIFE REPLACING CONTROL.................................................................................................79
13.10.1 Wiring diagram of electric knife rack................................................................................79
13.10.2 Knife replacing parameter setting......................................................................................81
13.10.3 Troubleshooting for knife replacing..................................................................................81
13.11. HANDHELD BOX AND ADDITIONAL PANEL INTERFACE XS7.....................................................81
13.11.1 Internal wiring diagram of the handheld box.....................................................................81
13.11.2 Pin function of handheld box interfaces.............................................................................81
13.11.3 Wiring diagram of additional panel...................................................................................83
13.11.4 Precautions and parameter setting for handheld box..........................................................83
13.11.5 Troubleshooting for handheld box.....................................................................................83
13.12. WIRING DIAGRAM OF COOLING AND LUBRICATION CONTROL..................................................84
13.13. WIRING DIAGRAM OF WORKING INDICATORS.........................................................................84
13.14. PROGRAMMABLE I/O PORT ...................................................................................................85
13.14.1 Wiring diagram of programable i/o port............................................................................85
13.14.2 Wiring diagram of programable input and certain control ports.........................................85
13.15. WIRING DIAGRAM OF MAIN POWER SUPPLY ...........................................................................86
13.16. SYSTEM PARAMETERS TABLE ................................................................................................87
13.17. ALARM INFO REFERENCE TABLE............................................................................................90
13.18. MAIN FUNCTIONS AND PARAMETERS REFERENCE TABLE.........................................................93
13.19. SYSTEM WIRING DIAGRAMS..................................................................................................95
13.19.1 Servo drive wiring diagram...............................................................................................95
13.19.2 Step drive wiring diagram.................................................................................................95
13.19.3 Main axis encoder wiring diagram....................................................................................96
13.19.4 Hard limit wiring diagram.................................................................................................97
13.19.5 Mechanical origin wiring diagram.....................................................................................97
13.19.6 Main axis control wiring diagram......................................................................................98
13.19.7 Chuck control wiring diagram...........................................................................................99
13.19.8 Tailstock control wiring diagram.....................................................................................100
13.19.9 Electric knife rack wiring diagram..................................................................................101
13.19.10 Additional panel wiring diagram...................................................................................103
13.19.11 Cooling and lubrication wiring diagram........................................................................103
13.19.12 Power supply wiring diagram........................................................................................104
13.19.13 Indicator wiring diagram...............................................................................................105
13.19.14 Installation dimensions.................................................................................................105
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CNC4220 Machine Tool Operation and Test
axis/negative
axis/stop
positive
replacing
compensation
1. Operation modes and display interfaces
Product appearance
The appearance and deployment of the operation panel are shown below:
Parameter settings 00004 N0000
1. Multiplying ratio of
instructions in X axis
2. Frequency division coefficient
of instructions in X axis
3. Multiplying ratio of
instructions in Z axis
4. Frequency division coefficient
of instructions in Z axis
5. Feeding speed 4000 (mm/min)
6. Start speed of feeding 300 (mm/min)
7. Feeding acceleration time 200 (ms/min)
Multiplying ratio of instructions in X axis
S0000 T0100
System parameters Page 1
Manual mode
1
1
1
1
Insert
Delete Cancel
Edit Auto
Main
Main
Manual
Main
axis/
MDI
Cooling
Reset
Chuck
Single
Knife
State indicators
Edit To indicate the edit mode Manual
Auto To indicate the auto mode
Skip
Single
Pause Start
Single
step
Position Program
Settings Parameters Diagnosis
Magnification
To indicate the manual
mode
To indicate the single
step mode
Knife
Reset
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CNC4220 Machine Tool Operation and Test
Single
segment
To indicate the single
segment mode
1.1. Description of editing keypad
Keys Name Function description
Reset Reset key System reset, feeding, output stop, etc.
Address
keys
Input address
Reset
To indicate the reset
mode
Cancel
Double
address
key
Press the keys repeatedly to switch between
the letters
Input numbers
Number
keys
The number keys 8, 2, 6 and 4 are X-, X+, Zand Z+ in manual mode and single step
mode respectively; the direction key 5 is the
quick switch in manual mode
Minus
sign key
Radix
point
Cancel
key
Input the minus sign
Input radix point
Clear the contents in input line
Insert/Delete
8
Editing
keys
Insert or delete programs or fields while
editing
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CNC4220 Machine Tool Operation and Test
single step
1.2. Display menus
Menu keys Remark
Position
EOB key
Cursor
moving
keys
Page
turning
keys
Enter the position interface, which consists of relative
coordinate, absolute coordinate, comprehensive coordinate,
and position/program.
Input the end symbol of program segment, or
edit the option
Control the moving of cursor in program
editing mode and parameter interface
Adjust the feeding and magnification quickly
in auto mode
Single step mode: Adjust the increment in
Turn pages in same display mode
Program
Knife
compensation
Settings
Parameters Enter the parameter interface, display the system parameters
Diagnosis
Enter the program interface, which consists of program, MDI
and program directory.
Enter knife bias interface, which includes knife compensation
data and macro variable
Enter the setting interface and graph interface (press
repeatedly to switch); the setting interface includes code
setting and switch setting; the graph interface includes graph
parameters and graph display
View alarm info when there is alarm
Enter the diagnosis interface and machine tool panel (press
repeatedly to switch); the diagnosis interface and diagnosis
parameters; the soft keypad operation can be performed on the
machine tool panel
1.3. Machine tool panel
The keys are described in the table below:
Keys Name Function description
Pause
Start Loop start key
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Feeding
maintaining key
Pause program, MDI instruction
running
Start program, MDI instruction
running
Magnification
Mechanical reset
CNC4220 Machine Tool Operation and Test
Feeding rate /
Rapid
magnification /
Main axis
magnification
Automatic or manual feeding speed /
fast-moving magnification / Main
axis speed regulation
switch key
Knife replacing
Chuck
Cooling
Main axis/positive
Main axis/stop
Main axis/negative
Single section
Manual knife
replacing key
Switch key of
lubricant
Switch key of
cooling liquid
Replace the knife manually
Lubricant on/off of the machine tool
Cooling liquid on/off
Forward rotating of main axis
Main axis control
key
Manual feeding
key
Main axis stops
Reverse rotating of main axis
X axis and Z axis move in
positive/negative direction in manual
and single step operation modes
Quick switch Switch quick/manual feeding speed
Switch running state between single
Single section
switch
section and continuous for the
program; if single section is valid,
the single section indicator is on.
Edit
Auto
MDI
Reset
Editing mode
selection key
Auto mode
selection key
Data input mode
selection key
mode selection key
Enter editing mode
Enter auto mode
Enter MDI operation mode, enter
program reset operation mode
Enter mechanical reset mode
Single step/
Single step
handwheel mode
Switch single step/ handwheel mode
selection key
Manual
Manual mode
selection key
Enter manual operation mode
1.4. Operation modes
This system allows seven operation modes, which are edit, auto, MDI, mechanical reset, single
step/handwheel, manual and program reset.
l Editing operation mod
In editing mode, you can create, delete and modify the processing program.
l Auto operation mode
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CNC4220 Machine Tool Operation and Test
In auto mode, the program runs automatically
l MDI operation mode
In MDI mode, input the parameters, and insert and execute instruction segment.
l Mechanical reset operation mode
In mechanical reset mode, perform the mechanical reset operation for X axis and Z axis
respectively
l Handwheel/single step operation mode
In single step/handwheel feeding mode, the system moves in selected increment
l Manual operation mode
In manual mode, perform the operations such as manual feeding, manual speed, feeding
rate regulation, quick rate regulation, main axis start/stop, cooling liquid switch, lubricant
switch and manual knife switch.
l Program reset operation mode
In program reset mode, perform the program reset operation for X axis and Z axis
respectively.
1.5. Display interface
This system contains six interfaces, including position and program. Each interface contains several
pages. Press the display menu key to switch interfaces, and press the Up/Down key to turn pages. The
interfaces (pages) are independent to the operation modes.
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CNC4220 Machine Tool Operation and Test
Setting
Settings
interfa
ce
Graph
interface
Program
Position
Knife
Knife bias
Knife alignment value
Diagnosis
Handheld box and main axis
Absolute position
Position
Program
Relative position
Position/program
Comprehensive coordinates
Program display
MDI
Program directory
Knife bias interface
Macro variable display
Diagnosis
Parameter switch
File manager
Graph parameters
Graph display
Input point state
Output point state
Keypad test
Alarm info display
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CNC4220 Machine Tool Operation and Test
1.5.1 POSITION INTERFACE
Press the position key to enter the position interface, which consists of absolute, relative,
comprehensive and position/program pages. You can press the Up/Down key to
view.
Absolute coordinates
The X coordinate and Z coordinate are the absolute position of the knife in current work piece
coordinates system, which is specified by G50.
Programming speed: the speed specified by F code in the program (unit: mm/min).
Actual speed: the actual processing speed (unit: mm/min) after the magnification has been adjusted in
the actual processing.
Feeding magnification: the current feeding magnification
Quick magnification: the current quick magnification
G function code: current valid G code processing pieces in Group 01 and 03: when the program has
executed M30, the processing pieces are increased by 1.
Cutting time: the cumulative time when the program and MDI are running; the time format is: Hour:
Minute: Second. The cutting time is 0 when the system is electrified.
T: current tool number
S: current main axis rotation speed
Note: The main axis encoder is necessary to display the actual rotation of the main axis.
Current position (absolute coordinates)
Manual rate: G code:
Actual rate: Processing pieces:
Manual magnification: Cutting time:
Main axis magnification:
Manual mode
Fig. 1-3-1
Relative coordinates
The U coordinate and W coordinate, which are 0 when the system is electrified, are the relative
coordinates of current position relative to the reference point. In manual mode, press the letter key
or , and the U or W flashes in the page; press the Cancel key to reset the U or
W coordinate.
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CNC4220 Machine Tool Operation and Test
Manual mode
Current position (relative coordinates)
Manual rate: G code:
Actual rate: Processing pieces:
Manual magnification: Cutting time:
Main axis magnification:
Fig. 1-3-2
Comprehensive coordinates
In comprehensive position page, relative coordinates, absolute coordinates, machine tool
coordinates and remaining movement are displayed at the same time. The value of machine tool
coordinates is the coordinates of current position in machine tool coordinates, which is created
through mechanical reset. The remaining movement is the difference between the target
coordinates of program section or MDI instruction and the current absolute coordinates.
The page follows:
Current position
(machine tool coordinates) (Absolute coordinates)
(Relative coordinates) (Remaining movement)
Manual mode
Fig. 1-3-3
Position/program
In position/program page, the absolute coordinates and relative coordinates of current
position and program line of current program are displayed at the same time. When the program
is running, the displayed program line refreshes dynamically.
Current position
(machine tool coordinates) (Absolute coordinates)
Manual mode
Fig. 1-3-4
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CNC4220 Machine Tool Operation and Test
Manual mode
Manual mode
Program interface
Press the Program key to enter the interface, which consists of program, MDI and program
directory pages in non-editing operation mode. Press the Up/Down key to view.
1.5.2 PROGRAM DISPLAY
In the program page, display the contents of the program, including current program section. In
editing mode, press the Up/Down key to view the contents of the program.
Program
Data
Fig. 1-3-5
1.5.3 MDI
In MDI page, display the current instruction states of G, M, S, T and F, and display the contents of
current program section in auto and MDI modes.
Program section value Mode state value
Data
Fig. 1-3-6
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CNC4220 Machine Tool Operation and Test
Program directory
Manual mode
1.5.4 PROGRAM DIRECTORY
The contents in program directory page:
(a) System version number: display the current version number of the system
(b) Saved programs: the saved programs number (including sub-programs); remaining: the
programs number that still can be saved
(c) Occupied memory: the memory occupied by the saved programs; Remaining: available
memory
(d) Program directory: display the numbers saved programs in sequence
Version: Hardware version:
Current work area: Library version:
Saved programs: Remaining:
Used storage: Remaining:
Fig. 1-3-7
1.5.5 KNIFE COMPENSATION INTERFACE
Press the Knife compensation key to enter the bias interface, and press the Up/Down key
to display knife bias and macro variable.
Knife bias display
Measurement value Fixed knife alignment
S/N
Data =
Position:
Fig. 1-3-8
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CNC4220 Machine Tool Operation and Test
1.5.6 ALARM INTERFACE
When the system alarms, press the Diagnosis key to enter the alarm interface and view the alarm
information.
Alarm info
41-Main axis control logical error
Alarm
Manual mode
Fig. 1-3-10
Settings interface
The Setting key is composite, and you can press it repeatedly to switch the setting/graph interface.
1.5.7 SETTINGS INTERFACE
The settings interface contains two pages, and you can press the Up/Down key to view.
Settings
Parameter switch (W): OFF ON
Program switch (H): OFF ON
Manual mode
Fig. 1-3-12
Parameter switch: when the parameter switch is on, you can edit the parameters; when it is off, you
can’t edit; press the key to switch the state in MDI mode
Program switch: when the program switch is on, you can edit the program; when it is off, you can’t
edit; press the key to switch the state in MDI mode
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CNC4220 Machine Tool Operation and Test
Manual mode
1.5.8 GRAPH INTERFACE
The graph interface contains graph parameters and graph display pages, and you can press the
Up/Down key to view.
1.5.9 GRAPH PARAMETERS
In graph parameters page, you can select coordinates system of graph, scaling and range.
Graph parameters
Coordinates selection(0:XZ,1:ZX)
Scaling +
Graph center X (work piece coordinates) (mm)
Graph center Z (work piece coordinates) (mm)
Maximum X (mm)
Minimum X (mm)
Maximum Z (mm)
Minimum Z (mm)
X origin bias of graph (mm)
Z origin bias of graph (mm)
Data =
Manual mode
Fig. 1-3-13
1.5.10 GRAPH DISPLAY
In graph display page, the motion track (referring to absolute coordinates) of the processing
program is displayed. Press the S key in this page to start drawing, press the T key
to stop and press the R key to clear.
Graph
Start drawing S * End drawing T
Fig. 1-3-14
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CNC4220 Machine Tool Operation and Test
1.5.11 PARAMETER INTERFACE
Press the Parameter key to enter the interface, which consists of system parameters and
data parameters. You can press the Up/Down key to view. In parameters display page, the
prompt line of parameter contents displays the contents of the parameter that the cursor points to. The
parameters can be edited in MDI mode. Input the target parameter number and press the EOB key to
go to the specified parameters.
Parameter settings
1. Axis X instruction magnification
2. Axis X instruction frequency conversion coefficient
3. Axis Z instruction magnification
4. Axis Z instruction frequency conversion coefficient
5. Feeding speed
6. Start feeding speed
7. Feeding acceleration time
System parameters Page 1
1. Axis X instruction magnification
Manual mode
Fig. 1-3-15
(mm/min)
(mm/min)
(mm/min)
1.5.12 DIAGNOSIS INTERFACE
The Diagnosis key is composite, and you can press it repeatedly to switch between diagnosis
interface and machine tool panel interface.
Diagnosis interface display
Press the Up/Down key to view the I/O signal state and system state of the diagnosis
display system and machine tool
Input point status interface
Input point state
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CNC4220 Machine Tool Operation and Test
Keypad test
Main axis encoder and handheld box interface
Main axis encoder test
Main axis encoder
Handheld box test
Handwheel
Output point status interface
Output point state
Keypad test interface
Press Cancel to return
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CNC4220 Machine Tool Operation and Test
Axis Z positive limit travel switch
2. Safe operation
2.1 Hardware overtravel protection
The overtravel protection is the necessary measure for the machine tool to prevent damage caused
when the X axis and Z axis exceed the travel. The hardware overtravel protection function is enabled
and controlled by system parameter 22 --- hard limit, which is enabled if the parameter is set to “1”.
The effective level of hardware limit is controlled by system parameter 23 --- effective level of hard
limit. Set the above two parameters according to the actual connection of the machine tool to realize
overtravel protection. Install travel limit switch in the position of maximum travel in positive and
negative directions of axis X and axis Z respectively, and connect the wires according to the figure
below. When overtravel occurs, the travel limit switch acts, and the system stops moving and displays
the alarm of not ready. It indicates that the hard limit enable control parameter can only control the
limit function of motion chip, and the limit response of the motion chip features high speed and low
delay. The hard limit function is still valid in this system when the hard limit parameter is disabled.
The software will execute the limit function instead. Comparing with the limit by the chip, the delay is
increased, but the immunity is much better.
Digital input wiring board
XS5 interface
xis Z negative limit travel switch
Axis X positive limit travel switch
xis X negative limit travel switch
2.2 Software overtravel protection
The software limit function is enabled and controlled by system parameters --- software limit,
which is enabled if the parameter is set to “1” and disabled if set to “0”.
The software travel range is set by system parameters: positive soft limit in X axis, negative soft
limit in X axis, positive soft limit in Z axis and negative soft limit in Z axis, and refers to the
coordinates of the machine tool. As shown in the figure below, X and Z are two axes of the
coordinates of the machine tool, 25 and 26 are the maximum travels of X axis in positive and negative
directions, 27 and 28 are the maximum travels of Z axis in positive and negative directions, and the
area inside the dashed frame is the range of software travel.
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CNC4220 Machine Tool Operation and Test
Axis X negative soft limit
Axis Z negative soft limit Axis Z positive soft limit
Axis X positive soft limit
2.3 Emergency operation
During the processing, due to user programming, operation and product failures, certain
unexpected events may occur. At this moment, please stop the system immediately. This section
involves the treatment that the system can perform under emergency conditions. Please refer to the
instructions of machine tool for the treatment that the machine tool can perform under emergency
conditions.
2.4 Reset
When the system output or coordinates action is abnormal, press the Reset key to reset the
system:
1. The motion of all axes stops;
2. M, S function output is invalid (it is possible to set whether disable main axis positive/negative
rotation, lubricant and cooling signals automatically after pressing the Reset key );
3. Automatic running stops, and mode function and state maintain.
2.5 Emergency stop
When the machine tool is running, press the Emergency stop button (when external emergency
stop signal is valid) if there is any danger or emergency, and the system will enter the emergency stop
state immediately. At this moment, the machine tool stops moving immediately, and all outputs (e.g.
rotation of main axis, cooling liquid, etc.) are off. Release the button to relieve the alarm, and then the
system enters reset state.
Note 1: Please make sure that the failure has been eliminated before relieving the alarm;
Note 2: Before turning on/off the machine, press the emergency stop button to reduce the electric
impact to the equipment;
Note 3: After relieving the alarm, please re-execute the mechanical reset operation to ensure the
accuracy of the coordinates (if the machine tool doesn’t have mechanical origin, do not perform this
operation);
The emergency stop function is controlled by system parameters ---- emergency stop function. The
function is valid only when the value is set to 1.
The level of emergency stop signal is controlled and set by system parameters ---- emergency stop
signal level.
2.6 Feeding maintaining
When the machine tool is running, press the Pause key to hold the running. Please note
that the running can’t be stopped immediately during screw thread cutting and circle instruction
running.
2.7 Cutting off power supply
If any danger or emergency occurs when the machine tool is running, please cut off the power
supply immediately to prevent accidents. Please note that the system coordinates may be significantly
different from the actual position when the power supply is cut off. Please align the knife again.
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CNC4220 Machine Tool Operation and Test
2.8 Turning off
Before turning off, please make sure:
1. Axis X and axis Z of machine tool are stopped;
2. The auxiliary functions (e.g. main axis, water pump, etc.) are disabled;
3. Please cut off the machine tool power supply and then the machine tool power supply
4. When the machine tool is electrified, the position is (X +00000.000, Z +00000.000), please
perform the mechanical reset operation first.
3. Manual operation
Press the Manual key to enter the manual operation mode, in which you can perform
operations like manual feeding and main axis control.
3.1 Manual feeding
Press the or key to feed axis X in negative or positive direction, and release the
key to stop the axis motion. At this moment, you can adjust the manual magnification to change the
speed of manual feeding; press the or key to feed axis Z in negative or positive
direction, and release the key to stop the axis motion. At this moment, you can adjust the manual
magnification to change the speed of manual feeding.
In manual feeding mode, press the key to enter manual quick moving state.
Note: The manual feeding can be adjusted only in position interface and manual mode.
3.2 Quick moving
Press the key, and then press the or key to move the axis X in negative or
positive direction quickly, release the key to stop the motion of the axis, and you can adjust the quick
magnification to change the moving speed; press the or key to move the axis Z in
negative or positive direction quickly, release the key to stop the motion of the axis, and you can
adjust the quick magnification to change the moving speed.
During manual quick moving, press the key to disable the quick moving and move in
manual feeding speed.
Note 1: The speed, time constant, acceleration/deceleration mode during quick moving are same to
the quick moving (G00 orientation) of program instruction;
Note 2: Only one axis is valid in manual mode.
3.3 Manual magnification selection
In manual feeding and cutting, press the magnification key, and then press the
/ key when the quick magnification appears in the lower left corner of the position
interface to decrease or increase the manual feeding magnification, which contains 16 levels and
10% each level.
3.4 Quick magnification selection
In manual quick moving state, press the magnification key to switch to the regulation
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CNC4220 Machine Tool Operation and Test
mode of quick moving magnification; when the quick magnification appears in the lower left
corner of the position interface, press the and key to decrease or increase the
manual quick moving magnification respectively, and switch among F0, 25%, 50% and 100%.
Press the key once to increase the quick moving magnification by one grade, until 100%;
Press the key once to decrease the quick moving magnification by one grade, until F0
Note 1: system parameters 10 and 11 set the quick moving speeds of axis X and axis Z
respectively; actual quick moving speed of axis X = the value set by system parameter 10 *
quick magnification; actual quick moving speed of axis Z = the value set by system
parameter 11 * quick magnification
Note 2: the quick moving can be adjusted only in position interface and manual mode.
Note 3: the quick magnification is valid in the following conditions
(1) G00 orientation
(2) Quick moving in fixed circle
(3) Quick moving at G28
(4) Manual quick moving
(5) Quick moving of returning to mechanical origin manually: e.g. if the speed of quick
moving is 6m/min and the magnification is 50%, then, the speed is 3m/min.
3.5 Coordinates reset
3.5.1 RELATIVE POSITION RESET
1) Press the Position key (press the Up key or key if necessary) to enter the
page of relative coordinates;
2) Press the key to make the U flash in the page, and then press the Cancel key to
clear the relative coordinates of axis X;
3) Press the key to make the W flash in the page, and then press the Cancel key to
clear the relative coordinates of axis Z;
3.5.2 MACHINE TOOL COORDINATES RESET
Press the Position key (press the Up key or key if necessary) to enter the page
of comprehensive coordinates,
Press the Cancel key and then press to clear the machine tool coordinates of
axis X;
At the same time, press the Cancel key and then press to clear the machine
tool coordinates of axis Z
3.6 Other manual operations
3.6.1 MAIN AXIS CONTROL
Main axis/positive: In manual operation mode, press this key, and the main axis rotates
in positive direction;
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CNC4220 Machine Tool Operation and Test
Main axis/stop: In manual operation mode, press this key, and the main axis stops rotating;
Main axis/reverse: In manual operation mode, press this key, and the main axis rotates in
reverse direction.
3.6.2 COOLING LIQUID CONTROL
Cooling: In manual operation mode, press this key to switch the cooling liquid
3.6.3 CHUCK CONTROL
Chuck: In manual operation mode, press this key to switch the chuck of the machine tool
3.6.4 MANUALLY REPLACING KNIFE
Replace knife: In manual operation mode, press this key to replace the knife manually (if
the first knife is being used, press this key to switch to the second knife; if it is the maximum
knife value set by current parameters, press this key to switch to the first knife).
3.6.5 REGULATION OF MAIN AXIS MAGNIFICATION
During automatic running, the analog voltage output can be used to control the speed of main axis.
Press the or key to adjust the magnification of the main axis and change the speed.
The magnification of main axis has eight levels, which are from 50% to 120%.
4. Single step/handwheel operation
In single step/handwheel operation mode, the machine tool moves in the increment value set by the
system.
The Single step key is the switch of single step and handwheel functions. Press the Single step key
to enter single step mode, press it again to enter handwheel mode, and press it for another time to return to single
step mode.
4.1. SINGLE STEP FEEDING
Press the Single step key to enter single step operation mode, which is shown in the figure
below:
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CNC4220 Machine Tool Operation and Test
Current position (absolute coordinates)
See the description in
Section 1.1, and the
value varies
according to the
selection
Single step G code:
increment: Processing pieces:
4.2. Increment selection
Cutting time:
Fig. 4-1-1
Single step mode
Press the key to adjust the increment of single step: if the current increment is 0.01, press
the key to change the increment to 0.1, and press it again to change the increment to 1. To reduce
the increment, press the key.
4.3. Motion direction selection
Press the or key once to feed once the axis X in single step increment in negative or
positive direction; press the or key once to feed once the axis Z in single step
increment in negative or positive direction.
4.4. Handwheel feeding
Press the Single step key to enter handwheel operation mode, which is shown in the figure below:
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CNC4220 Machine Tool Operation and Test
Current position (absolute coordinates)
Handwheel increment: G code:
Current axis:
Processing pieces:
Cutting time:
Handwheel mode
Fig. 4-1-2
4.5. Increment selection
Move the increment selection lever on the handheld box to select desired increment.
If additional panel is used, please select the increment with the key.
4.6. Motion axis and direction selection
Move the axis number selection lever on the handheld box to selected required motion axis. If additional
panel is used, please select the axis number through key X and Z.
4.7. Other available operations in handwheel/single step mode
Main axis/positive: press this key to rotate the main axis in positive direction;
Main axis/stop: press this key to stop the rotation of the main axis;
Main axis/reverse: press this key to rotate the main axis in reverse direction.
Cooling: press this key to switch the cooling liquid.
Chuck: press this key to switch the chuck of the machine tool.
Replace knife: press this key to replace the knife manually
In addition, it is possible to regulate the magnification of main axis in handwheel/single step
mode.
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CNC4220 Machine Tool Operation and Test
(Program section value) (Mode state value)
4.8. Description
1
. See the table below for the relationship between handwheel scale and machine tool motion:
Motion of every scale on the handwheel
Handwheel
increment
Specified value
of coordinates
0.001 0.01 0.1
0.001mm 0.01mm 0.1mm
2. The rotation speed of the handwheel can’t exceed 3r/s, or else, the scale and motion won’t be
consistent;
3. If the system uses step motor, the rotation speed of the handwheel shouldn’t exceed 5r/s or the single
step position that can disable 0.1mm and 1mm.
5. MDI operation
In MDI operation mode, you can set the parameters, input and execute instruction words.
5.1. Input and execution of MDI instruction words
Select the MDI mode to enter the MDI page, input a program section G50 X50 Z100, and the
operation follows:
A. Press the MDI key to enter MDI operation mode;
B. Press the Program key (and then press the key or key if necessary) to
enter the MDI page;
C. Type X50 in sequence and then press the Insert key, type G50 and press the Insert key, type
Z100 and press the Insert key (if any error appears when type the fields, please press the
Reset key to clear all contents, and then type new data). As in the figure below:
Data=
MDI mode
D. After inserting the instruction words, press the Start key to execute the MDI
instruction words. During running, you can press the Pause key, Reset key and
Emergency stop button to stop the running of MDI instruction words.
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CNC4220 Machine Tool Operation and Test
P
rogram
MDI mod
e
Note: Subroutine call instruction (M98 P___ ;) and composite cutting cycle instruction (G70, G71,
G72, G73, G74, G75, G76, etc.) are invalid in MDI.
5.2. Parameter editing and setting
You can edit and set the parameters only in MDI mode.
6. Program editing and management
In the editing mode, you can create, select, edit and delete programs. To prevent the program
from unexpected modification and deletion, the system integrates program switch. Before editing
the program, please turn on the program switch.
6.1. Creating program
6.1.1 PROGRAM CONTENT INPUT
1) Press the Edit key to enter the editing mode;
2) Press the Program key to enter the program page, and press the key to
select program editing interface if necessary.
Data=
3) Type the address key O and number key 0001 in sequence (to create program O0001).
4) Press the Insert key to create new program, as shown in the figure:
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