Chengdu GREAT Industrial Co., Ltd
GTCNC-150iM-II
Milling & Machining
Center CNC Controller
FEATURES
●Controllable axes: 3-5 axes.
●Linkage axes: linear 2-5 axes, circular2-3 axes.
● 32 bits 200MHz ARM Industrial microprocessor
●8.4 inch TFT colorful LCD display.
●Real-time and all-round self-diagnosis function,
real-time display various status of system.
●Feed per minute, feed per revolution.
●Metric system, English system input mode.
●Linear, arc, helix interpolation; multiple macro canned cycle such as drilling, boring, tapping and etc.
●Automatic backlash compensation and storage type pitch error compensation. Tool length automatic
compensation, tool radius compensation, automatic transition of inner and outer point angle
●Set the max speed and up-down speed of each axis independently.
●Scaling, coordinate system rotation and mirror function.
●Switch programmed unit between metric and British
●Setting of auxiliary axis’ angle and displacement programme.
●Multiple coordinate system setting.
●Soft and hard limit function for max stroke.
●Powerful tool manage function: Managing 99 tools.
●Display current time, single piece time and running time.
●Multiple interpolation function and M, S, T function.
●Parameter, software backup and upgrade function.
CIAL ADVANTAGE
SPEED◆
●Max rapid traverse : 60m/min
●Max cutting speed: 20m/min
●Program preview, realizing smooth connection between blocks, specially suitable for mould machining,
engraving and milling machine.
◆PRECISION
●Screw pitch compensation, improving machining precision to the most
●Pulse equivalent: 0.001mm
INTERFACE◆
●Embedded PLC with I/O number 118 x 46, users can free to edit.
●USB port ,RS232 port supply DNC function.
●MPG on board or separate MPG are available.
●Dual channel control of spindle speed frequency, can control two spindle Units and diverse tool
magazine
OPERATION◆
●Full-screen editing interface and foreground-background processing operation, which can do
programming, parameter adjustment etc at the same time
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Chengdu GREAT Industrial Co., Ltd
●2D/3D graphic preview or simulating operation before machining, coordinates display, free shifting
between 2D/3D graphic; graphic can be scale up/scale down, translate and rotate freely.
●Multilevel password protection, such as program, parameter protection to convenient equipment
management
●Start machining at random block or tool number
●Compatible with popular international CNC system in instruction code and most program can be run
directly without amendment
G-code and M-code table
Table 1 G Instruction-code and function
G-code groups function
G00 Rapid positioning
G01 Linear interpolation
Circular/helical interpolation CW: the helical interpolation instruction of
G02
G03 Circular/helical interpolation CCW
G33
G04 00 Dwell
G15 cancel polar coordinates instruction
G16
G17 select Xp-Yp plane
G18 select Zp-Xp plane
G19
G20
G21
G28/G281/
G282/G283
G30/G301/
G302/G303
G26 ZXY axes return to program original point
01
17
02
06
00
helical motion can assign 2 other arc interpolation axes with synchronous
motion, which method is just to add a moving axis that isn’t arc
interpolation.
Threading
Polar coordinates instruction: polar coordinate (radius and angle), the
positive direction of angle is the CCW direction of positive direction of the
first axis in the selected plane, and the negative direction is CW.
Format :
G** G## G16;
G00 IP;
G** : plane selection
G## : G90 (original point of work coordinate system)or G91(Current
position) Assigns original point of polar coordinate.
Xp: X axis or its parallel axis
Yp:Y axis or its parallel axis
select Yp-Z p plane
Inch input（English system）
Millimeter input（metric system）
return to the first reference point
return to 2
nd
,3rd ,4th reference point
Zp:Z axis or its parallel axis
G261 X axis return to program original point
G262 Y axis return to program original point
G263
G40 07 Cancel tool radius compensation
Z axis return to program original point
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