GSK 980MDc User manual

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数
控
备
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公
司
GSK CNC EQUIPMENT CO., LTD.
GUANGZHOU
CHINA
st
Add: No.7, 1 . Street, Luochong North Road, Luochongwei, Guangzhou,
510165, China
Http://www.gsk.com.cn E-mail:[email protected]
Tel: [phone] Fax: [phone]
All specifications and designs are subject to change without notice.
USER MANUAL
GSK 980MDc Milling CNC System
GSK 980MDc Milling CNC System
USER MANUAL
2012/ Edition 2
August 2012/ Printing 1
May

I
This user manual describes all items concerning the operation of
the system in detail as much as possible. However, it is impractical to give
particular descriptions of all unnecessary and/or unavailable operations of
the system due to the manual content limit, product specific operations and
other causes.Therefore,the operations not specified herein shall be
considered impossible or unallowable.
This user manual is the property of GSK CNC Equipment Co.,
Ltd. All rights are reserved. It is against the law for any organization or
individual to publish or reprint this manual without the express written
permission of GSK and the latter reserves the right to ascertain their legal
liability.

GSK980MDc Milling CNC System User Manual
II
FOREWORD
Dear user,
We are really grateful for your patronage and purchase of this GSK980MDc Milling
CNC system made by GSK CNC Equipment Co., Ltd.
The user manual describes the programming, operation, installation and connection
of this GSK980MDc Turning CNC system. Please read it carefully before operation in
order to get the safe and effective working.
Warning
This system can only be operated by authorized and qualified personnel as
improper operations may cause accidents.
Please carefully read this user manual before use!
Note: The power supply installed on (in) the cabinet is exclusive to GSK’S CNC
systems.
The power supply form is forbidden to be used for other purposes.
Otherwise, there may be extreme danger!
This user manual shall be kept by final user.

Notes
III
Notes
■Delivery and storage
zPacking box over 6 layers in pile is unallowed.
zNever climb the packing box, neither stand on it, nor place heavy objects on it.
zDo not move or drag the product by the cables connected with it.
zForbid collision or scratch to the panel and displayer.
zPacking box should be protected from damping, insolation and raining.
■Open packing box to check
zEnsure things in packing box are the required ones.
zEnsure the product is not damaged in delivery.
zEnsure the parts in packing box are in accordance to the order.
zContact us in time if the product type is inconsistent with the order, there is short of
accessories, or product damage in delivery.
■Connection
zOnly qualified persons can connect the system or check the connection.
zThe system must be earthed, its resistance must be less than 4 Ωand the ground wire
cannot be replaced by zero wire.
zConnection must be correct and firm to avoid the product to be damaged or other
unexpected result.
zConnect with surge diode in the specified direction to avoid the damage to the system.
zSwitch off power supply before pulling out plug or opening electric cabinet.
■Troubleshooting
zSwitch off power supply before troubleshooting or changing components.
zTroubleshoot and then startup the system when there is short circuit or overload.
zDo not switch on or off it frequently and an interval is 1 minute at least after the system is
powered on again.

GSK980MDc Milling CNC System User Manual
IV
All specification and designs are subject to change without further notice.
Warning！
zPlease read this user manual and a manual from machine builder completely
before installation, programming and operation; do operate the system and
machine according to user manuals, otherwise it may damage the system,
machine, workpiece and even injure the operator.
Cautions！
zFunctions, technical indexes described in this user manual are only for the
system. Actual functions and technical performance of machine tool with this
CNC system are determined by machine builder’s design, so refer to its user
manual.
zThe system is employed with integrated machine control panel and the keys
on machine control panel are defined by PLC program. Functions of keys in
this user manual are for standard PLC program. Please notice it!
zRefer to user manual from machine manufacturer about functions and
meanings of keys on machine control panel.
Announcement！
zThis manual describes various items as much as possible. However,
operations allowable or unallowable can not be explained one by one due to
so many possibilities that may involve with, so the contents that are not
specially stated in this manual shall be considered to be unavailable.

Summary
V
ⅠProgramming
GSK980MDc CNC Technical Specification, Product
Type, Command and Program Format
ⅡOperation
GSK980MDc CNC Operation Use
ⅢInstallation and Connection
GSK980MDc CNC Installation, Connection and Setting
Appendix
CNC Ladder Function Allocation, Alarm Message Table

GSK980MDc Milling CNC System User Manual
VI
Safety Responsibility
Manufacturer’s safety responsibility
——The manufacturer should be responsible for the cleared or the controlled safety in the design
and the structure of the CNC system and the accessories.
——The manufacturer should be responsible for the CNC system and the accessories.
——The manufacturer should be responsible for the message and the suggestion for the user.
User’s safety responsibility
——The user should study and train the system safety operation, master the safety operation
content.
——The user should be responsible for the danger caused by increasing, changing or modifying
the CNC system, the accessories by itself.
——The user should be responsible for the danger because of the mistaken operation, regulation,
maintenance, installation and storage.

CONTENTS
VII
ⅠProgramming
CHAPTER 1 PROGRAMMING FUNDMENTALS ...........................................................................3
1.1 Introduction..................................................................................................................................3
1.2 Program Execution......................................................................................................................6
1.2.1 Program Execution Sequence...........................................................................................6
1.2.2 Word Execution Sequence within Block............................................................................7
1.3 Basic Axes Increment System.....................................................................................................7
1.3.1 Speed of Increment Systems.............................................................................................8
1.3.2 Unit of Increment Systems ................................................................................................8
1.3.3 Data Ranges of Increment System....................................................................................8
1.3.4 Data Ranges and Unit of Increment System .....................................................................9
1.3.5 The Units and Ranges of Program Address Values.........................................................11
1.4 Additional Axes Increment System ............................................................................................11
1.4.1 Additional Axes in Current Increment System..................................................................12
1.4.2 Additional Axes in IS-A Increment System.......................................................................12
CHAPTER 2 MSTF CODES .........................................................................................................13
2.1 M Codes (Miscellaneous Function) ...........................................................................................13
2.1.1 End of Program (M02).....................................................................................................13
2.1.2 Rigid Tapping Designation M29.......................................................................................13
2.1.3 End of Run (M30)............................................................................................................14
2.1.4 Subprogram Call (M98)...................................................................................................14
2.1.5 Return from Subprogram (M99) ......................................................................................14
2.1.6 Macro Program Call (M9000~M9999) .............................................................................15
2.1.7 Program Stop M00...........................................................................................................16
2.2 Spindle Function........................................................................................................................16
2.2.1 Spindle Speed Switch Value Control................................................................................16
2.2.2 Spindle Speed Analog Voltage Control............................................................................16
2.2.3 Spindle Override..............................................................................................................17
2.3 Tool Function .............................................................................................................................17
2.4 Feeding Function.......................................................................................................................17
2.4.1 Cutting Feed (G94/G95, F command).............................................................................17
2.4.2 Manual Feed ...................................................................................................................20
2.4.3 MPG/ Step Feed..............................................................................................................20
2.4.4 Automatic Acceleration or Deceleration...........................................................................20
CHAPTER 3 G COMMAND.............................................................................................................23
3.1 G Command Brief......................................................................................................................23
3.1.1 Modal, Non-modal and Initial State..................................................................................25
3.1.2 Examples.........................................................................................................................25
3.1.3 Related Definition............................................................................................................26
3.1.4 Address Definition............................................................................................................26
3.2 Rapid Positioning G00...............................................................................................................30
3.3 Linear Interpolation G01............................................................................................................31

GSK980MDc Milling CNC User Manual
VIII
3.4 Arc and Helical Interpolation G02, G03 .....................................................................................32
3.5 Dwell G04..................................................................................................................................37
3.6 Cylindrical Interpolation G07.1 ..................................................................................................37
3.7 Programmable Data Input G10..................................................................................................41
3.7.1 Modifying Tool Compensation Data.................................................................................41
3.7.2 Modifying a Workingpiece Coordinate System................................................................41
3.7.3 Modifying an Additional Workpiece Coordinate System..................................................42
3.8 Polar Coordinate Command (G15, G16)...................................................................................42
3.9 Plane Selection Command G17, G18 and G19.........................................................................45
3.10 Conversion of Inch and Metric G20 and G21 ..........................................................................45
3.11 Reference Point Return G28 ...................................................................................................46
3.12 Return from Reference Point G29...........................................................................................47
3.13 The 2nd, 3rd and 4th Reference Point Return G30.................................................................48
3.14 Skip Function G31...................................................................................................................50
3.15 Tool Nose Radius Compensation C (G40, G41 and G42).......................................................51
3.16 Tool Length Compensation (G43, G44, G49) ..........................................................................54
3.17 Scaling G50, G51....................................................................................................................57
3.18 Programmable Mirror Image G50.1, G51.1.............................................................................69
3.19 Setting Local Coordinate System G52.....................................................................................61
3.20 Select Machine Coordinate System G53.................................................................................64
3.21 Workpiece Coordinate System G54~G59................................................................................65
3.22 Additional Workpiece Coordinate System G54.1.....................................................................67
3.23 Coordinate System Rotation G68, G69...................................................................................67
3.24 Compound Cycle Command ...................................................................................................72
3.24.1 Brief for Canned Cycle..................................................................................................72
3.24.1.1 Canned cycle list.................................................................................................72
3.24.1.2 Canned circle explanations.................................................................................73
3.24.1.3 G90/G91..............................................................................................................73
3.24.1.4 Returning point level G98/G99............................................................................74
3.24.1.5 Canned cycle cancellation...................................................................................74
3.24.1.6 General command format for canned cycle.........................................................75
3.24.2 Description for canned cycle .........................................................................................75
3.24.2.1 High-speed Peck Drilling Cycle G73 ...................................................................75
3.24.2.2 Left-handed Tapping Cycle G74..........................................................................76
3.24.2.3 Finish Boring Cycle G76......................................................................................77
3.24.2.4 Drilling Cycle, Spot Drilling Cycle G81 ................................................................78
3.24.2.5 Drilling Cycle, Counter Boring Cycle G82............................................................79
3.24.2.6 Peck Drilling Cycle G83.......................................................................................80
3.24.2.7 Tapping Cycle G84..............................................................................................80
3.24.2.8 Boring Cycle G85................................................................................................81
3.24.2.9 Boring Cycle G86................................................................................................82
3.24.2.10 Back Boring Cycle G87.....................................................................................83
3.24.2.11Boring Cycle G88 ...............................................................................................84
3.24.2.12 Boring Cycle G89..............................................................................................85
3.24.2.13 Groove Rough Milling Inside the Round G110/G111.........................................86

CONTENTS
IX
3.24.2.14 Fine-milling Cycle Inside Full Circle G112/G113................................................88
3.24.2.15 Fine-milling Cycle Outside Circle G114/G115....................................................89
3.24.2.16 Roughing Cycle Outside Circle G116/G117.......................................................91
3.24.2.17 Rectangular Roughing G132/G133 ...................................................................93
3.24.2.18 Rectangle Groove Rough-milling G134/G135...................................................95
3.24.2.19 Rectangle Groove Inner Fine-milling Cycle G136/G137....................................98
3.24.2.20 Finish-milling Cycle Outside the Rectangle G138/G139....................................99
3.24.3 Continuous Drilling ......................................................................................................101
3.24.3.1 Line Series Punch (L function) ..........................................................................101
3.24.3.2 Rectangle Series Punch (G140/G141)..............................................................102
3.24.3.3 Arc Serial Punching (G142/G143) .....................................................................103
3.24.4 Cautions for Canned Cycle..........................................................................................104
3.24.5 Examples for Modal Data Specified in Canned Cycle..................................................106
3.24.6 Examples for Canned Cycle and Tool Length Compensation......................................107
3.25 Absolute and Incremental Commands G90 and G91.............................................................108
3.26 Workpiece Coordinate System Setting G92 ..........................................................................109
3.27 Feed per min. G94, Feed per rev. G95..................................................................................109
3.28 G98, G99...............................................................................................................................110
3.29 Chamfering Function .............................................................................................................110
3.29.1 Linear Chamfering....................................................................................................... 111
3.29.2 Arc Chamfering............................................................................................................ 111
3.29.3 Limit.............................................................................................................................112
3.30 Rigid Tapping.........................................................................................................................112
3.30.1 Rigid Tapping...............................................................................................................113
3.30.2 Peck Rigid Tapping......................................................................................................113
3.30.3 Address Explanation....................................................................................................115
3.30.4 Technical Specification ................................................................................................115
3.30.5 Specify a Rigid Tapping Mode .....................................................................................116
3.30.6 The Cancellation of Rigid Tapping Mode.....................................................................117
3.30.7 F and G Signals...........................................................................................................118
3.30.8 Alarm Message............................................................................................................118
3.30.9 Program Example........................................................................................................119
CHAPTER 4 CONTROL FUNCTION of ADDITIONALAXIS..........................................................121
4.1 General....................................................................................................................................121
4.2 Axis Name ...............................................................................................................................121
4.3 Axis Display.............................................................................................................................121
4.4 Axis Startup..............................................................................................................................122
4.5 Linear Axis of The Additional Axis............................................................................................122
4.6 Rotation Axis of The Additional Axis.........................................................................................123
4.7 The Zero Return D of Rotation Axis.........................................................................................124
4.8 The Function of Cs Axis...........................................................................................................125
CHAPTER 5 MACRO PROGRAM.................................................................................................129
5.1 Macro Call ...............................................................................................................................129
5.2 Variables..................................................................................................................................133
5.2.1 Null Variables.................................................................................................................137