GSK 983M FOR MILLING/DRILLING SYS

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Description

CNC MILLING CONTROLLER
GSK 983M     

GSK 983M-S                                               GSK 983M-V
Introduction

GSK 983M is a high cost-performance and high reliable CNC developed especially for high speed, high precision and high efficient machining. Due to the applied high speed micro processor and high speed and precision servo system as well as sufficient CNC and high speed PLC functions, the machining efficiency has truly realized a higher standard.High precision machining

The high precision and high resonance position control has been realized by high performance position closed loop control chip and high precision position detecting components.

The mechanical errors in transmission chains such as pitch error of ball screw can be remedied by pitch memory error compensation.

Feedrate override can be automatically adjusted in the corner contour machining.

High speed machining

When the system resolution is 1micon-m, the highest feedrate can reach 240m /min which is suitable for the control of milling press, MCs, engraving machines and super precision machine tools. The continuous high speed machining of micro block is realized by the distributed processing of multi-high speed CPU. The super processing capability of 1000 instruction words per second is especially suitable for the machining of high speed mould, auto parts and the control of woodworkers and laser machines.

High speed DNC functions

The specially developed high speed DNC buffer interface realizes the high speed DNC machining by the connection to PC or U disk at the baud rate as high as 115200 .

Sufficient control functions

It has the functions of maximum 5 feeding axes plus 1 spindle control, cutting tools life management, scaling, coordinate system rotation, complex canned cycle, background editing, graphics display and special user macro program that can easily carry out some special machining.

Powerful built-in PLC

The built-in sequence control for machine and the large PLC capacity for peripherals have greatly simplified the strong power design.

PLC-A 2000 steps PLC-B 12000 steps

Smart CNC

It adopts the latest high integral FPGA, CPLD chips and surface sticking adornment techniques which greatly reduces the dimensions of the control unit. And the LCD displayer adopted realizes the thin model of display unit.

Module I/O

The module design adopts I/O unit which can be paralleled by requirement with maximum (input/output) points are 192/128. It can be fixed on the standard DIN rail to directly drive the load such as contactor, which makes the strong power design much simple and the space taken up is much more reduced.

The wires from CNC to strong power plate are much more saved through the connection of the high speed serial communication ports with CNC.

The machine operation panel

It has maximum 64 mechanical keys with a LED indicator for each. Their function specified by PLC programming and also they can correspondingly connect the switches of feedrate override, spindle override, MPG override and coordinate axis.

Separating structure:

Connect CNC by the high speed serial communication ports to save the wire.
Function parameter

NC function

Controlled axis

 Controlled, link axis: up to 5 feeding axes, 1 spindle, and 4 axes to link
Interpolation method: linear(G01) , circular (G02, G03), sine(G07)
Max. stroke: metric: 99999.999mm inch :9999.9999inch
 

Setting increment

 Least input increment 0.001mm /metric 0.0001inch/inch
Least increment : X axis : 0.001mm / metric 0.0001inch/ inch

Y axis : 0.001mm / metric 0.0001inch/ inch

Z axis : 0.001mm / metric 0.0001inch/ inch
Max. traverse rate 240 , 000mm /min or 9 , 600inch/min
Max. feedrate G94 : 150,000mm /min or 60 , 000.00inch /min
G95: 2 , 000.00mm /r or 200.0000inch/r
Automatic acceleration/deceleration: Execute the linear acceleration/deceleration to shorten the positioning time when automatically rapid feeding in Jog or Auto mode
Automatic acceleration/deceleration in cutting feed: automatic acceleration/ deceleration for cutting feed or manual continuous feed index, parameter setting the time constant from 8ms to 4000ms.
Buffer register: advance to read the instructions of the following two blocks to eliminate the interruption of NC instruction caused by reading the instructions to improve the working efficiency.

MSTB function

 Tool function T : • T2 digit/T4 digit • 99 groups tool offset • tool position offset ?tool length compensation
• tool radius compensation B/C • communication input of tool offset value

• tool length measure • tool life management
Spindle function S : • S2 digit/ S4 digit A(12 digit BCD output /analog output) • S4 digit B(12 digit BCD output/analog output )( 4-grade gear input ) • max. spindle speed limit.
auxiliary function M : specified by the sequential 2 digits after address M. End

of program : M02 • M30 , program stop : M00 , optional stop : M01 , subprogram call : M98 , end of subprogram : M99. Other M functions can exclusively be defined by user.
The second auxiliary function B: it is specified by the sequential 3 digitals behind B,

BCD signal of the three digitals are transmitted to the machine side.
The function is used for the positioning of graduation worktable.

Precision compensation

 ?stored pitch error compensation: compensate the error caused by machine position to improve the processing precision and the compensated data is stored to the memory.
ก๑backlash compensation: compensating the loss momentum of machine
Tool length compensation and tool nose radius compensation : the tool length is specified by G codes ( G43 , G44 , G49 ) .
• tool nose radius compensation (G40 , G41 , G42), the compensation value for every tool is stored to the memory.
Max. compensation value: ± 999.999mm or ±99.9999inch.

Reliability and safety

 • emergency stop ; • overtravel ; • stored stroke limit ; • NC ready signal ; • servo ready signal ; • MST functional completion signal ; • starting signal in automatic run ; • signal in automatic run ; • feed hold indicator signal ; • safety door interlock ;
NC alarm : • program error and operation error ; • overtravel error ; • servo system error ; • connection error, MDI data transmission error between, PMC error ; • memory ( ROM and RAM ) error ;

More than 300 alarm numbers to the stable operation and troubleshooting for the system.
Self-diagnosis: check the followings : • system abnormity ; • position control abnormity ; • servo system abnormity ; • CPU abnormity ; • ROM abnormity ; • RAM abnormity ; • MDI/machine operation panel data transmission ; • RS232 read abnormity ; • PC data transmission abnormity ; and so on.

Operation

 • dry run • interlock • single block • optional skip block • manual absolute value ON/OFF • auxiliary function lock(M. S.T lock)

• machine lock • feed hold • cycle start • overtravel release • emergence stop • external reset signal • external power supply ON/OFF • manual continuous feed • incremental feed • MPG • skip • additional optional block skip • rapid feed overshoot • manual insertion function • sequence number search • program number search • external workpiece number research • external data input • sequential number comparison stop • program start again • menu switch • graph display • external position display
Display • 7.5inch 640 • 480 homochrome LCD screen ?machine coordinates, absolute coordinate, incremental coordinate, distance to move
• user program • current operation mode • system parameter, diagnosis number, alarm number, macro variable value, tool offset setting, MDI command, MST
State • actual federate, spindle speed • machining path graph
• Run time and other NC instructions and state information

PMC function

 Control method : cycle running; run speed:30us/step for basic instruction
Input/output : 192/128 ; 5000 steps
Development method: PMC instruction or ladder diagram
Instruction amount: 34 including 12 basic instructions and 22 function instructions
DNC function Serial DNC to connect U disc

Support Manual

Controller 983M for milling/ drilling manual

Table 2.13 G code list

G codes

Group

Function

G00

01

 Positioning

G01

 Linear interpolation

G02

 Circular interpolation (CW)

G03

 Circular interpolation (CCW)

G04

00

 Dwell

G05

 High-speed continuous cutting mode

G07

 Federate sine curve control

G09

00

 Exact stop check

G10

 Offset value setting, start of registration of tool life management data

G11

00

 End of registration of tool life management data

G17

02

 XY plane selection

G18

 ZX plane selection

G19

 YZ plane selection

G20

06

 Input in inch

G21

 Input in mm

G22

04

 Stored stroke limit ON

G23

 Stored stroke limit OFF

G27

00

 Reference point return check

G28

 Return to reference point

G29

 Return from reference point

G30

 Return to 2 nd , 3 rd , 4 th reference point

G31

 Skipping cutting

G33

01

 Thread cutting

G40

07

 Cutter compensation cancel

G41

 Cutter compensation left

G42

 Cutter compensation right

G43

08

 Tool length compensation + direction

G44

 Tool length compensation – direction

G49

 Tool length compensation cancel

G45

00

 Tool offset increase

G46

 Tool offset decrease

G47

 Tool offset double increase

G48

 Tool offset double decrease

G50

11

 Scaling off

G51

 Scaling on

G54

12

 Workpiece coordinate system 1 select

G55

 Workpiece coordinate system 2 select

G56

 Workpiece coordinate system 3 select

G57

 Workpiece coordinate system 4 select

G58

 Workpiece coordinate system 5 select

G59

 Workpiece coordinate system 6 select

G60

00

 Single directional positioning

G61

 Exact stop check mode

G62

13

 Automatic corner override

G64

 Cutting mode

G65

00

 Custom macro simple call

G66

14

 Custom macro modal call

G67

 Custom macro modal call cancellation

G73

09

 Peck drilling cycle

G74

 Counter tapping cycle

G76

 Fine boring

G80

 Canned cycle cancel

G81

 Drilling cycle, spot boring

G82

 Drilling cycle, counter boring

G83

 Peck drilling cycle

G84

 Tapping cycle

G85

 Boring cycle

G86

 Boring cycle

G87

 Back boring cycle

G88

 Boring cycle

G89

 Boring cycle

G90

03

 Absolute programming

G91

 Incremental programming

G92

00

 Absolute zero programming

G94

05

 Per minute feed

G95

 Per revolution feed

G98

10

 Return to initial point in canned cycle

G99

 Return to R point in canned cycle

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