Siemens SINUMERIK 840D sl User manual

SINUMERIK 840D sl
ShopTurn
08/2005 Edition
Operation/Programming
Introduction 1
Setting Up the
Machine 2
Machining the
Workpiece 3
Creating a ShopTurn
Program 4
ShopTurn Functions 5
Working with Manual
Machine 6
G Code Program 7
Tool Management 8
Program Management 9
Messages, Alarms and
User Data 10
Examples 11
Appendix A
Index B
Valid for
PLC
SINUMERIK 840D sl/840DE sl
Software Version
NCU Systemsoftware for
SINUMERIK 840D sl/840DE sl 1.3
with ShopTurn 7.1

SINUMERIK®Documentation
Printing history
Brief details of this edition and previous editions are listed below.
The status of each version is indicated by the code in the "Remarks" columns.
Status code in the "Remarks" column:
A .... New documentation.
B .... Unrevised reprint with new order number
C .... Revised edition with new version code
Edition Order No. Remarks
03/2001 6FC5 298-6AD50-0BP0 A
01/2002 6FC5 298-6AD50-0BP1 C
06/2003 6FC5 298-6AD50-0BP2 C
08/2005 6FC5 398-5AP10-0BA0 C
Trademarks
SIMATIC®, SIMATIC HMI®, SIMATIC NET®, SIROTEC®, SINUMERIK®and SIMODRIVE®are registered
trademarks of Siemens AG. The remaining designations found in this publication could be trademarks whose
use by a third party for its own purposes could violate the rights of the owner.
Additional information is available in the Internet at:
http://www.siemens.com/motioncontrol
© Siemens AG 2005
Other functions not described in this documentation may be executable in the
control.This does not, however, represent an obligation to supply such functions
with a new control or when servicing.
We have checked the contents of this manual for agreement with the hardware and
software described. Nevertheless, differences might exist and we cannot, therefore,
guarantee that they are completely identical. The information contained in this
document is, however, reviewed regularly and any necessary changes will be
included in the next edition. Suggestions for improvement are welcome.
Subject to change without prior notice
6FC5398-5AP10 - 0BA0
Siemens Aktiengesellschaft

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Preface
SINUMERIK-
documentation The SINUMERIK documentation is organized in 3 parts:
General documentation
User documentation
Manufacturer/service documentation
For more detailed information on additional publications for the
SINUMERIK 840D sl, that apply to all SINUMERIK control systems,
(e.g. universal interfaces, measuring cycles, etc.), see your Siemens
representative.
An overview of publications, which is updated monthly and also
provides information about the language versions available, can be
found on the Internet at:
http://www.siemens.com/motioncontrol
Select the menu items "Support" Æ"Technical Documentation" Æ
"Publications Overview."
The Internet version of DOConCD (DOConWEB) is available at:
http://www.automation.siemens.com/doconweb
Target group This documentation is geared toward the operator of single-slide
lathes with SINUMERIK 840D sl.
Standard version The functionality of the operator interface for ShopTurn is described in
these operating/programming instructions. Extensions or changes
made by the machine tool manufacturer are documented by the
machine tool manufacturer.
Other functions not described in this documentation might be
executable in the control. This does not, however, represent an
obligation to supply such functions with a new control or when
servicing.
Hotline If you have any queries, please contact the following hotlines:
A&D Technical Support
Phone: [phone]
Fax: [phone]
E-mail: mailto:[email protected]
Internet: http://www.siemens.com/automation/support-request
Technology hotline
Tel.: [phone]
The hotline is available on weekdays from 8:00-17:00.
If you have any queries (suggestions, corrections) in relation to this
documentation, please fax or e-mail us:
Fax: [phone]
E-mail: mailto:[email protected]
Fax form, see the reply form at the end of the publication

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Internet address http://www.siemens.com/motioncontrol
Principle Your SINUMERIK 840D sl with ShopTurn was designed using the
latest technology and the recognized safety regulations, standards
and other regulations.
Supplementary devices Siemens offers special supplementary devices, systems, and serial
model modifications that can be used to specifically expand the
Siemens control systems in their area of application.
Personnel Only properly trained, authorized, reliable personnel must be
allowed to use this equipment. No-one without the necessary training
may be allowed to operate the control, even temporarily.
The areas of responsibility assigned to personnel involved in setting
up, operating and maintaining the equipment must be clearly
specified and their compliance verified.
Procedure Before the control is started up, personnel responsible for its
operation must have read and understood the Operator's Guides. The
company using this equipment is also obliged to carry out continuous
monitoring of the overall technical condition of the control (with a
view to identifying externally visible defects and damage as well as
changes in the operating behavior of the control).
Servicing Repairs must be carried out according to the information supplied in
the service and maintenance guide by personnel who are specially
trained and qualified in the relevant technical subject. All relevant
safety regulations must be followed.
The following are deemed as improper usage and exclude the
manufacturer from all liability:
Any usage or application incompatible with or beyond the scope
of the items specified above.
If the control is not in perfect technical condition or if it is not
operated safely while keeping the inherent risks in mind and
observing all instructions and the operating manual.
Cases where faults, which could affect safety, are not remedied
before starting up the control.
Any modification, bypassing or decommissioning of
equipment on the control whose intended purpose is to ensure
proper functioning, unrestricted use of equipment and/or active
and passive safety.

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Structure of the
documentation The following information blocks, marked by pictograms, are used in
this documentation:
Orientation
Background information
Operating sequence
Explanation of parameters
Additional notes
Software option
The function described is a software option, i.e. the function can be
executed on the control only if you have purchased and enabled the
appropriate option.
Safety information This manual contains information that must be observed to ensure
your personal safety and to prevent material damage. Information
relating to your personal safety is marked in the manual by a warning
triangle, no warning triangle appears in conjunction with information
that relates to property damage. The warning information is displayed
in descending order according to the decreasing level of danger as
follows.
Danger
indicates that death or severe personal injury will result if proper
precautions are not taken.
Alarm
Indicates that death or serious bodily injury can result if proper
precautions are not taken.
Caution
with a warning triangle indicates that minor personal injury can result if
proper precautions are not taken.

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Caution
without a warning triangle means that material damage can occur if
the appropriate precautions are not taken.
Notice
Indicates that an undesirable result or condition can occur if the
corresponding information is not observed.
Machine manufacturer The following reference appears wherever particular features or
functions might have been changed or supplemented by the machine
manufacturer:
Please also refer to the machine manufacturer's instructions.
References Whenever specific information can be found in other literature, this is
indicated as follows:
References:
An overview of publications, which is updated monthly and also
provides information about the language versions available, can be
found on the Internet at:
http://www.siemens.com/motioncontrol
Select the menu items "Support" Æ"Technical Documentation" Æ
"Publications Overview."
Terminology The meanings of some basic terms are given below in this
documentation.
Program
A program is a sequence of instructions to the CNC which combine to
produce a specific workpiece on the machine.
Contour
The term contour refers generally to the outline of a workpiece.
More specifically, it refers to the section of the program that defines
the outline of a workpiece comprising individual elements.
Cycle
A cycle, such as the tapping cycle, is a subroutine specified by
ShopTurn for carrying out a recurring machining process.
(A cycle is sometimes also referred to as a function.)

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Spindles/axes
The various spindles/axes are designated in this documentation as
follows:
S1: Main spindle
S2: Tool spindle
S3: Counter spindle
C1: C-axis main spindle
C3: C-axis counter spindle
Z3: Supplementary axis (e.g. axis to move the counter spindle)
Other designations may have been assigned by the machine
manufacturer.
Please also refer to the machine manufacturer's instructions.
Unit of measurement Metric units are used for all parameters in this document. The
equivalent imperial units are shown in the table below.
Metric Inch
mm in
mm/tooth in/tooth
mm/min in/min
mm/rev in/rev
m/min ft/min

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Notes

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Contents
Introduction 1-15
1.1 ShopTurn ..................................................................................................................1-16
1.1.1 Work sequence.........................................................................................................1-17
1.2 Workstation...............................................................................................................1-18
1.2.1 Coordinate system....................................................................................................1-19
1.2.2 Operator panels........................................................................................................1-20
1.2.3 Operator panel keys..................................................................................................1-23
1.2.4 Machine control panels.............................................................................................1-25
1.2.5 Elements of the machine control panels...................................................................1-25
1.3 Operator interface.....................................................................................................1-29
1.3.1 Overview...................................................................................................................1-29
1.3.2 Operating via softkeys and keys...............................................................................1-32
1.3.3 Program views..........................................................................................................1-36
1.3.4 Parameter: Entering..................................................................................................1-40
1.3.5 CNC-ISO operator interface .....................................................................................1-42
1.3.6 ShopTurn Open (PCU 50.3).....................................................................................1-44
Setting Up the Machine 2-45
2.1 Switching on and off..................................................................................................2-46
2.2 Approaching the reference point...............................................................................2-46
2.2.1 User agreement for Safety Integrated ......................................................................2-48
2.3 Modes .......................................................................................................................2-49
2.4 Settings for the machine...........................................................................................2-50
2.4.1 Switching unit of measure (millimeters/inches) ........................................................2-50
2.4.2 Switching the coordinate system (MKS/WKS)..........................................................2-51
2.4.3 Spindles ....................................................................................................................2-52
2.5 Tools .........................................................................................................................2-54
2.5.1 Setting-up a new tool................................................................................................2-56
2.5.2 Tool list......................................................................................................................2-57
2.5.3 Manually measuring the tool.....................................................................................2-64
2.5.4 Measuring the tool with calipers ...............................................................................2-66
2.5.5 Balancing the caliper.................................................................................................2-67
2.5.6 Measuring the tool with a magnifying glass..............................................................2-69
2.6 Measuring the workpiece zero-point.........................................................................2-70
2.7 Zero-point offsets......................................................................................................2-71
2.7.1 Setting the zero-point offset......................................................................................2-72
2.7.2 Defining the zero-point offset....................................................................................2-74
2.7.3 Zero-point offset list ..................................................................................................2-75
2.8 Manual mode ............................................................................................................2-77
2.8.1 Selecting a tool and spindle......................................................................................2-77

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2.8.2 Traversing the axes...................................................................................................2-79
2.8.3 Positioning the axes..................................................................................................2-81
2.8.4 Simple workpiece stock removal...............................................................................2-82
2.8.5 Settings for manual mode.........................................................................................2-84
2.9 MDI............................................................................................................................2-86
2.10 Run times..................................................................................................................2-87
Machining the Workpiece 3-89
3.1 Starting/stopping machining......................................................................................3-90
3.2 Running-in a program ...............................................................................................3-93
3.3 Displaying the current program block .......................................................................3-94
3.4 Repositioning the axes..............................................................................................3-95
3.5 Starting the machining at a specific point in the program.........................................3-96
3.6 Controlling the program...........................................................................................3-102
3.7 Overstoring..............................................................................................................3-103
3.8 Testing a program...................................................................................................3-105
3.9 Correcting the program...........................................................................................3-106
3.10 Displaying G and auxiliary functions.......................................................................3-107
3.11 Simulating machining..............................................................................................3-108
3.11.1 Simulation before the machining of the workpiece .................................................3-110
3.11.2 Parallel drawing before the machining of the workpiece ........................................3-112
3.11.3 Parallel drawing while the workpiece is being machined........................................3-113
3.11.4 Modifying the shape of a blank for a G-code program............................................3-113
3.11.5 Various views of the workpiece...............................................................................3-114
3.11.6 Changing the cut-away ...........................................................................................3-118
3.12 Automatic mode settings.........................................................................................3-120
3.12.1 Establishing the test-run feedrate ...........................................................................3-120
3.12.2 Parameterizing the workpiece counter....................................................................3-121
Creating a ShopTurn Program 4-123
4.1 Program structure ...................................................................................................4-124
4.2 Bases ......................................................................................................................4-126
4.2.1 Machining planes ....................................................................................................4-126
4.2.2 Approaching/retracting in the machining cycle .......................................................4-128
4.2.3 Absolute and incremental dimensions....................................................................4-130
4.2.4 Polar coordinates ....................................................................................................4-132
4.2.5 Calculator................................................................................................................4-133
4.2.6 Close-tolerance work ..............................................................................................4-135
4.3 Sequential control program.....................................................................................4-136
4.3.1 Overview .................................................................................................................4-136
4.3.2 Creating a new program..........................................................................................4-138

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4.3.3 Creating program blocks.........................................................................................4-143
4.3.4 Changing program blocks.......................................................................................4-147
4.3.5 Program editor........................................................................................................4-148
4.3.6 Specifying quantity..................................................................................................4-151
ShopTurn Functions 5-153
5.1 Straight or circular path movements.......................................................................5-155
5.1.1 Select tool and machining plane.............................................................................5-156
5.1.2 Straight....................................................................................................................5-158
5.1.3 Circle with known center point................................................................................5-160
5.1.4 Circle with known radius.........................................................................................5-161
5.1.5 Polar coordinates....................................................................................................5-163
5.1.6 Straight polar...........................................................................................................5-164
5.1.7 Circular polar...........................................................................................................5-166
5.2 Drilling.....................................................................................................................5-167
5.2.1 Drill centered...........................................................................................................5-168
5.2.2 Thread centered......................................................................................................5-170
5.2.3 Drilling and reaming................................................................................................5-171
5.2.4 Deep hole drilling....................................................................................................5-173
5.2.5 Tapping...................................................................................................................5-175
5.2.6 Thread milling .........................................................................................................5-177
5.2.7 Positioning and position patterns............................................................................5-179
5.2.8 Freely programmable positions ..............................................................................5-180
5.2.9 Line position pattern................................................................................................5-182
5.2.10 Matrix position pattern.............................................................................................5-183
5.2.11 Box position pattern................................................................................................5-186
5.2.12 Full circle position pattern.......................................................................................5-188
5.2.13 Pitch circle position pattern.....................................................................................5-190
5.2.14 Including and skipping positions.............................................................................5-192
5.2.15 Repeating positions ................................................................................................5-193
5.3 Turning....................................................................................................................5-194
5.3.1 Cutting cycles..........................................................................................................5-194
5.3.2 Recessing cycles....................................................................................................5-197
5.3.3 Undercut form E and F............................................................................................5-200
5.3.4 Thread undercuts....................................................................................................5-201
5.3.5 Thread cutting.........................................................................................................5-203
5.3.6 Thread re-machining...............................................................................................5-207
5.3.7 Parting.....................................................................................................................5-208
5.4 Contour turning.......................................................................................................5-210
5.4.1 Representation of the contour ................................................................................5-212
5.4.2 Creating a new contour...........................................................................................5-214
5.4.3 Creating contour elements......................................................................................5-215
5.4.4 Changing a contour.................................................................................................5-220
5.4.5 Stock removal .........................................................................................................5-222
5.4.6 Removal of residual material ..................................................................................5-226
5.4.7 Grooving..................................................................................................................5-228

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5.4.8 Grooving residual material......................................................................................5-230
5.4.9 Plunge-turning.........................................................................................................5-231
5.4.10 Plunge-turning residual material .............................................................................5-233
5.5 Milling ......................................................................................................................5-235
5.5.1 Rectangular pocket.................................................................................................5-236
5.5.2 Circular pocket ........................................................................................................5-240
5.5.3 Rectangular spigot..................................................................................................5-243
5.5.4 Circular spigot .........................................................................................................5-247
5.5.5 Longitudinal slot ......................................................................................................5-250
5.5.6 Circumferential slot .................................................................................................5-253
5.5.7 Positions..................................................................................................................5-257
5.5.8 Multiple edge...........................................................................................................5-258
5.5.9 Engraving................................................................................................................5-260
5.6 Contour milling ........................................................................................................5-267
5.6.1 Representation of the contour.................................................................................5-270
5.6.2 Creating a new contour...........................................................................................5-272
5.6.3 Creating contour elements......................................................................................5-274
5.6.4 Changing a contour.................................................................................................5-281
5.6.5 Path milling..............................................................................................................5-283
5.6.6 Predrilling a contour pocket.....................................................................................5-288
5.6.7 Milling a contour pocket (roughing).........................................................................5-292
5.6.8 Removing residual material from a contour pocket ................................................5-295
5.6.9 Finishing the contour pocket...................................................................................5-297
5.6.10 Chamfering a contour pocket..................................................................................5-301
5.6.11 Milling a contour spigot (roughing)..........................................................................5-302
5.6.12 Removing residual material from a contour spigot .................................................5-305
5.6.13 Finishing the contour spigot....................................................................................5-307
5.6.14 Chamfering a contour spigot...................................................................................5-310
5.7 Calling a subroutine ................................................................................................5-312
5.8 Repeating program blocks......................................................................................5-314
5.9 Machining with the counterspindle..........................................................................5-315
5.10 Changing program settings.....................................................................................5-321
5.11 Calling work offsets.................................................................................................5-322
5.12 Defining coordinate transformations.......................................................................5-323
5.13 Programming the approach/return cycle.................................................................5-326
5.14 Inserting G code into the sequential control program.............................................5-327
5.15 Teaching..................................................................................................................5-329
5.15.1 Teaching a cycle .....................................................................................................5-329
5.15.2 Teaching a position sample ....................................................................................5-330
5.15.3 Teaching a contour object.......................................................................................5-331
Working with Manual Machine 6-333
6.1 Manual machine......................................................................................................6-334

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6.2 Zero-point offsets....................................................................................................6-335
6.3 Simple workpiece machining in manual mode .......................................................6-335
6.3.1 Traversing the axes ................................................................................................6-336
6.3.2 Taper turning...........................................................................................................6-337
6.3.3 Straight turning........................................................................................................6-338
6.4 More complex machining in manual mode.............................................................6-339
6.4.1 Drilling with manual machine..................................................................................6-340
6.4.2 Turning with manual machine.................................................................................6-340
6.4.3 Milling with manual machine...................................................................................6-341
6.5 Simulation ...............................................................................................................6-341
G Code Program 7-343
7.1 Creating a G-code program....................................................................................7-344
7.2 Executing a G-code program..................................................................................7-347
7.3 G-code editor ..........................................................................................................7-349
7.4 Calculation parameters...........................................................................................7-352
Tool Management 8-353
8.1 Tool lists, tool wear lists and the tool magazine .....................................................8-354
8.2 Importing tools into the tool list ...............................................................................8-360
8.2.1 Creating a new tool.................................................................................................8-360
8.2.2 Creating several cuts per tool.................................................................................8-362
8.2.3 Creating a sister tool...............................................................................................8-363
8.3 Sorting tools............................................................................................................8-364
8.4 Deleting tools from the tool list................................................................................8-364
8.5 Loading/unloading a tool into/out of the magazine.................................................8-365
8.6 Relocating a tool.....................................................................................................8-367
8.7 Positioning the magazine........................................................................................8-369
8.8 Inputting tool wear data...........................................................................................8-369
8.9 Activating tool monitoring........................................................................................8-370
8.10 Managing magazine locations................................................................................8-372
Program Management 9-373
9.1 Managing programs with ShopTurn........................................................................9-374
9.2 Managing programs with ShopTurn on NCU (HMI Embedded).............................9-375
9.2.1 Opening a program.................................................................................................9-377
9.2.2 Executing a program...............................................................................................9-378
9.2.3 Executing a G-code program from the USB-network-drive....................................9-379
9.2.4 Creating a Nnew directory/program........................................................................9-380
9.2.5 Marking several programs ......................................................................................9-381

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9.2.6 Copying/renaming a directory/program...................................................................9-382
9.2.7 Deleting a directory/program...................................................................................9-383
9.2.8 Saving/reading-in tool/zero-point data....................................................................9-384
9.3 Managing programs with PCU 50.3 (HMI Advanced).............................................9-387
9.3.1 Opening a program.................................................................................................9-389
9.3.2 Executing a program...............................................................................................9-390
9.3.3 Loading/unloading a program .................................................................................9-391
9.3.4 Executing a G-code program from the hard-disk or diskette/USB/network drives.9-392
9.3.5 Creating a new directory/program...........................................................................9-394
9.3.6 Marking several programs.......................................................................................9-395
9.3.7 Copying/renaming/moving a directory or program..................................................9-396
9.3.8 Delete directory/program.........................................................................................9-398
9.3.9 Saving/reading-in the tool/zero-point data..............................................................9-398
Messages, Alarm and User Data 10-401
10.1 Messages..............................................................................................................10-402
10.2 Alarms...................................................................................................................10-402
10.3 User data...............................................................................................................10-403
10.4 Version display......................................................................................................10-405
Examples 11-407
11.1 Standard machining processes.............................................................................11-408
11.2 Contour milling ......................................................................................................11-420
Appendix A-429
A Abbreviations.......................................................................................................... A-430
B Index.........................................................................................................................I-433

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SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition 1-15
Introduction
1.1 ShopTurn ..................................................................................................................1-16
1.1.1 Work Sequence ........................................................................................................1-17
1.2 Workstation...............................................................................................................1-18
1.2.1 Coordinate system....................................................................................................1-19
1.2.2 Operator panels ........................................................................................................1-20
1.2.3 Operator panel keys..................................................................................................1-23
1.2.4 Machine control panels.............................................................................................1-25
1.2.5 Elements of the machine control panels...................................................................1-25
1.3 Operator interface.....................................................................................................1-29
1.3.1 Overview...................................................................................................................1-29
1.3.2 Operating via softkeys and keys...............................................................................1-32
1.3.3 Program views ..........................................................................................................1-36
1.3.4 Parameter: Entering..................................................................................................1-40
1.3.5 CNC-ISO operator interface......................................................................................1-42
1.3.6 ShopTurn Open (PCU 50.3) .....................................................................................1-44

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1.1 Sho
p
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1-16 SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition
1.1 ShopTurn
ShopTurn is an operating and programming software program for
turning machines that makes it easy for you to operate the machine
and to program workpieces.
These are some of the features the software provides:
Setting up the machine Special measurement cycles make it easier to measure the tools and
the workpiece.
Program: Execute You can display the program execution in 3-D on the screen.
This makes it easy for you to check the result of programming and to
observe the progress of workpiece machining at the machine
(software option).
To execute a sequential control program, you must have reading and
writing rights.
The execution of sequential control programs is a software option.
Creating a program Programming the workpiece with ShopTurn is effortless, since it is
graphically supported and doesn't require knowledge of G-code.
ShopTurn shows the program in a user-friendly work plan and
displays the individual cycles and contour elements in dynamic
graphics.
The powerful contour computer allows any contour to be input.
A stock removal cycle with residual material detection saves extra
machining processes.
Tool management ShopTurn saves your tool data. The software can also manage the
data of tools that are not in the revolver.
Program management Programs can be created simply by copying and modifying similar
programs; there is no need to start again from the beginning.
Remote diagnostics You can switch from ShopTurn to the CNC-ISO operator interface.
There, you can also activate a remote diagnostic which allows the
machine to be operated via an external computer.

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1.1 Sho
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1.1.1 Work sequence
Two typical working situations are considered separately in this Guide.
You want to execute a program for the purpose of automatically
machining a workpiece.
You want to create the program to be used for machining a
workpiece.
Program: Execute Before you execute a program, you have to set up your machine. To
do this, you must perform the following actions, during which you will
be supported by ShopTurn (see Sec. "Setting up the Machine"):
approach the reference point of the machine
(only for incremental position measuring systems)
gauge the tools
define the workpiece zero
enter any other work offsets
If you have completely set up the machine, you can select a program
and automatically execute it (see Sec. "Machining a Workpiece").
Creating a program If you create a new program, you can select whether you would like to
make a sequential control program or a G-code program (see
"Creating a Sequential Control Program" or "G-code Program").
When creating a sequential control program, ShopTurn prompts you
to input all relevant parameters. Programming progress is
automatically indicated in a dashed-line diagram. Help screens that
explain the parameters in each operation also support you with
programming.
You can, of course, also insert G code commands in a sequential
control program.
A G code program, however, must be created entirely out of G code
commands.

1 Introduction 08/2005
1.2 Workstation 1
♥Siemens AG, 2005. All rights reserved
1-18 SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition
1.2 Workstation
In addition to the lathe with CNC/positioning control, a ShopTurn
workstation also has an operator panel and machine control panel.
Turning machine
complete with control
Operator
panel
Machine
control panel
Workstation configuration
Turning machine You can use ShopTurn on a single-slide lathe with three axes, of a
main spindle, of a tool spindle, and of a counter-spindle.
PLC ShopTurn runs on the SINUMERIK 840D sl CNC-controller with
ShopTurn on NCU (HMI Embedded) and PCU 50.3 (HMI Advanced).
Operator panel Communication with ShopTurn is done via the operator panel.
Machine control panel You operate the lathe using the machine control panel.

1 08/2005 Introduction
1.2 Workstation 1
♥Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition 1-19
1.2.1 Coordinate system
When machining a workpiece on a lathe, one basically uses a right-
angled coordinate system. This consists of the three coordinate axes
X, Y, and Z which are parallel to the machine axes. The coordinate
axis Y does not have to be set up. Spindle axis Z is an independently
rotating axis and is designated with the letter C.
The positions of the coordinate system and the machine zero depend
on the type of machine used.
W
MX+
Z+
Y+
W = Workpiece zero
C
M = Machine zero
Position of the coordinate system, machine zero
and workpiece zero (example)

1 Introduction 08/2005
1.2 Workstation 1
♥Siemens AG, 2005. All rights reserved
1-20 SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition
1.2.2 Operator panels
You can use one of the following operator panels for the PCU:
OP 010
OP 010C
OP 010S
OP 012
OP 015
Operator panel OP 010
3
4
2
1
6
.
5
2
Operator panel OP 010
1 Screen
2 Screen keys
3 Horizontal softkey bar
4 Vertical softkey bar
5 Alphanumeric keypad
Correction/cursor pad with control keys and input key
6 USB interface