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Siemens SINUMERIK 802D User Manual

Siemens SINUMERIK 802D
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Programming
10.2 Positional data
Cylindrical grinding
238 Programming and Operating Manual, 07/2009, 6FC5398-4CP10-2BA0
10.2 Positional data
10.2.1 Programming dimensions
In this section you will find descriptions of the commands, with which you can directly
program dimensions taken from a drawing. This has the advantage that no extensive
calculations have to be made for NC programming.
Note
The commands described in this section stand in most cases at the start of a NC program.
The way, in which these functions are combined, is not intended to be a patent remedy. For
example, the choice of working plane may be made at another point in the NC program.
The real purpose of this and all the following sections is to illustrate the conventional
structure of an NC program.
Overview of typical dimensions
The basis of most NC programs is a drawing with concrete dimensions.
When implementing in a NC program, it is helpful to take over exactly the dimensions of a
workpiece drawing into the machining program. These can be:
Absolute dimension, G90 modally effective applies for all axes in the block, up to
revocation by G91 in a following block.
Absolute dimension, X=AC(value) only this value applies only for the stated axis and is
not influenced by G90/G91. This is possible for all axes and also for SPOS, SPOSA
spindle positionings, and interpolation parameters I, J, K.
Absolute dimension, X=CC(value) directly approaching the position by the shortest route,
only this value applies only for the stated rotary axis and is not influenced by G90/G91. Is
also possible for SPOS, SPOSA spindle positionings.
Absolute dimension, X=ACP(value) approaching the position in positive direction, only
this value is set for the rotary axis, the range of which is set in the machine datum to 0...<
360°.
Absolute dimension, X=ACN(value) approaching the position in negative direction, only
this value is set for the rotary axis, the range of which is set in the machine datum to 0...<
360°.
Incremental dimension, G91 modally effective applies for all axes in the block, until it is
revoked by G90 in a following block.
Incremental dimension, X=IC(value) only this value applies exclusively for the stated axis
and is not influenced by G90/G91. This is possible for all axes and also for SPOS,
SPOSA spindle positionings, and interpolation parameters I, J, K.
Inch dimension, G70 applies for all linear axes in the block, until revoked by G71 in a
following block.
Metric dimension, G71 applies for all linear axes in the block, until revoked by G70 in a
following block.

Table of Contents

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Siemens SINUMERIK 802D Specifications

General IconGeneral
BrandSiemens
ModelSINUMERIK 802D
CategoryControl Unit
LanguageEnglish

Summary

Description

1.1 Control and display elements

Identifies and explains the various operator control and LED elements on the CNC operator panel.

1.2 Key definition of the full CNC keyboard (vertical format)

Details the function of each key on the vertical CNC keyboard layout.

1.3 Key definition of the machine control panel

Explains the function of each key on the physical machine control panel.

1.4 Coordinate systems

Defines machine, workpiece, and relative coordinate systems used in programming.

Software interface

2.1 Screen layout

Describes the division of the HMI screen into status, application, and note/softkey areas.

2.2 Standard softkeys

Explains the common softkeys used across different screens, like Back, Abort, OK.

2.3 Operating areas

Lists and describes the different operating areas (POSITION, PROGRAM, SYSTEM, etc.) available in the control system.

2.4 The help system

Details how to access and use the integrated online help system for functions and commands.

Turning on, reference point approach

3.1 Turning On and Reference Point Approach

Outlines the procedure for powering on the CNC and machine, and performing the reference point approach.

Define

4.1 Entering tools and tool offsets

Explains how to store and manage tool parameters and offsets in the OFFSET PARAM area.

4.2 Create new tool

Guides through the process of defining new tools, including geometry and technological data.

4.3 Sense dresser

Describes how to determine and register the positions of dressers using the HMI.

4.4 Sense workpiece

Explains the procedure for detecting and setting workpiece positions relative to machine axes.

Manual mode

5.1 Manual mode

Introduces manual operation modes supported by JOG and MDA.

5.2 JOG mode - "Position" operating area

Details the operation of the JOG mode for manual axis movement and parameter display.

5.3 MDA mode (manual input) "Position" operating area

Explains how to create or execute part programs using manual data input (MDA).

Automatic mode

6.1 Automatic mode

Describes the functions and menu structure available in automatic operation mode.

6.3 Selection and start of a part program

Guides on selecting and initiating the execution of a part program via the Program Manager.

6.4 Block search

Explains how to search for specific blocks within a part program for editing or execution.

Part programming

7.1 Part programming overview

Provides an overview of the PROGRAM MANAGER area for managing part programs.

7.2 Enter new program

Details the steps for creating new part programs and directories.

7.3 Editing the part program

Explains how to modify existing part programs, including saving changes.

System

8.1 "System" operating area

Outlines the functions for parameterizing and analyzing NCK, PLC, and drives.

8.3 SYSTEM - "Machine data" softkeys

Explains how to view and modify machine data which influences machine behavior.

8.4 SYSTEM - "Service display"

Covers functions for displaying information about axes, drives, and network settings.

8.5 SYSTEM - "PLC" softkeys

Details functions for diagnostics and commissioning of the PLC.

Cycles

9.1 Overview of cycles

Introduces technology subroutines (cycles) for machining processes like grinding and dressing.

9.2 Programming cycles

Explains how cycles are defined as subroutines with parameter lists and their call conditions.

9.3 Special characteristics of grinding cycles

Discusses hardware requirements and call/return conditions specific to grinding cycles.

9.5 Taper grinding - CYCLE405

Provides detailed programming parameters and sequence for taper grinding using CYCLE405.

Programming

10.1 Fundamental Principles of NC Programming

Covers basic concepts of NC programming including program names, structure, and word format.

10.2 Positional data

Explains commands for programming dimensions, including absolute, incremental, and radius/diameter modes.

10.3 Axis movements

Details linear and circular interpolation, fixed point, and reference point approaches.

10.4 Spindle movements

Covers programming spindle speed, positioning, gear stages, and the use of a second spindle.

10.5 Special functions

Explains functions like constant cutting rate, rounding, and chamfering.

10.6 Tool and tool offset

Describes tool selection, offset numbers, and radius compensation (G41, G42).

10.7 Miscellaneous function M

Explains the use of M functions for controlling operations like coolant and spindle.

10.8 H function

Details the use of H functions for transferring floating-point data to the PLC.

10.9 Arithmetic parameters, LUD and PLC variables

Covers arithmetic parameters (R), local user data (LUD), and reading/writing PLC variables.

10.10 Program jumps

Explains unconditional and conditional program jumps using labels and IF instructions.

10.11 Subroutine technique

Describes how to use subroutines and call machining cycles within programs.

10.12 Timers and workpiece counters

Explains system variables for monitoring runtime and counting workpieces.

10.13 Inclined axis

Covers the function and programming of inclined axes using TRAANG, G05, and G07.

10.14 Multiple feedrate values in one block

Details how to program different feedrates, dwell times, and retraction within a single block.

10.15 Oscillation

Explains how to activate and control oscillating axis movements with reversal points.

Network operation

11.1 Network operation prerequisites

Lists requirements for network communication, including RCS802 tool and interfaces.

11.2 RCS802 tool

Introduces the RCS802 tool for PG/PC communication and its functions with/without a license.

11.3 Network operation

Describes possible network connections and protocols for SINUMERIK 802D sl.

11.3.1 Configuring the network connection

Guides on setting up network parameters like IP address and subnet mask.

11.3.2 User management

Explains how to create and manage user accounts for personal settings and remote access.

Data Backup

12.1 Data transfer via RS232 interface

Details the process of transferring data like part programs using the RS232 interface.

12.2 Creating / reading in / reading out a start-up archive

Explains how to create, read, and write start-up archives to CF cards or USB drives.

12.3 Reading in / reading out PLC projects

Describes the procedure for transferring PLC projects between the control system and external storage.

12.4 Copying and pasting files

Explains how to copy and paste files and directories between different locations using softkey functions.

PLC diagnostics

13.1 Screen layout

Describes the screen layout and key elements for PLC diagnostics.

13.2 Operating options

Details hotkeys and softkey functions available for PLC program navigation and monitoring.

Application Examples

14.1 Cycle example 1

Provides a practical example of using various cycles for a specific workpiece machining task.

14.2 Cycle example 2

Presents a second practical example demonstrating cycle usage for workpiece machining.

Appendix

A.1 User data

Lists and describes user-defined parameters used internally by grinding cycles.

A.2 Parameter tables of the tool data

Provides detailed tables of parameters related to tool data for grinding and dressing.

A.3 Miscellaneous

Includes miscellaneous functions like the pocket calculator and character editing.

A.4 Feedback on the documentation

Provides contact information for submitting comments and suggestions for document improvement.

A.5 Overview

Offers an overview of the SINUMERIK 802D sl documentation structure.

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