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Siemens SINUMERIK 840 User Manual

Siemens SINUMERIK 840
291 pages
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User's Guide 08.96 Edition
User Documentation
SINUMERIK 840/840C
SINUMERIK 850
SINUMERIK 880/880 GA2
Measuring Cycles Version 20 and higher

Table of Contents

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Siemens SINUMERIK 840 Specifications

General IconGeneral
Control TypeCNC
AxesUp to 31
DisplayTFT color display
PLCIntegrated
HMISINUMERIK Operate
Communication InterfacesEthernet, PROFIBUS, PROFINET
TypeCNC system
Programming LanguagesG-code
Max Number of Channels10
Operating Temperature0 to 45 °C
Relative HumidityUp to 95% (non-condensing)
Protection ClassIP54 (front panel)

Summary

SINUMERIK Measuring Cycles User's Guide

Printing History

Details of this edition and previous editions of the SINUMERIK documentation.

Preliminary Remarks

Provides preliminary information and technical comments regarding the measuring cycles.

Introduction to SINUMERIK Measuring Cycles

Overview of measuring tasks on CNC machines and the purpose of measuring cycles.

Probe Types and Functionality

Classification and description of different types of touch trigger probes.

Measuring Principles

Explanation of probe signal evaluation and in-process measurement principles.

Measuring Strategy and Correction Value Determination

Strategies for determining and correcting dimensional deviations in machining.

Tolerance Parameters for Accuracy

Details on tolerance parameters (R33-R41) for workpiece and tool measurement.

Plane Definition for Coordinate Systems

Explanation of G17, G18, G19 and G16 for defining machining planes.

Logging Measurement Results

Methods and procedures for logging measurement results using logging modules.

Defining Parameters for Measuring Cycles

R Parameters Used in Measuring Cycles

Lists the R parameters used for transfer, display, and internal functions.

R10 Offset Number for Tool and ZO

Defines offset numbers for tool memory and ZO determination.

R22 Probe Type and Probe Number

Specifies the probe type and number for measurement cycles.

R23 Measurement Variant Selection

Parameter R23 selects the specific measurement variant for cycles.

R30 Number of Measuring Axis

Defines the measuring axis (Abscissa, Ordinate, Applicate) in the coordinate system.

Tolerance Parameters R33-R37

Sets parameters for safe area, dimensional difference check, and zero offset.

Measuring Cycle Auxiliary Programs

Internal Measuring Cycle Auxiliary Programs

Auxiliary cycles called directly by measuring cycles, not user-executable.

External Measuring Cycle Auxiliary Programs

Auxiliary cycles that can also be called directly by the user.

Measuring Cycles for Turning Machines

L972/L982 Tool Measurement

Cycles for calibrating and measuring tool lengths and geometry.

L973 Calibrating the Workpiece Probe

Calibrates the workpiece probe in reference holes or on surfaces.

L974 Workpiece Measurement

Measures workpiece dimensions like diameter, points, circumference, and cylinder.

Examples of Application for Workpiece Measurement

Demonstrates practical applications of workpiece measurement cycles L973 and L974.

Parameter Recommendations for L973, L974

Provides recommended parameter settings for reliable program execution.

Measuring Cycles for Milling Machines and Machining Centres

L976 Calibrating the Workpiece Probe

Calibrates the workpiece probe in reference holes or on surfaces for milling machines.

L977 Workpiece Measurement (Hole/Shaft/Slots/ZO Determination)

Measures dimensions and determines ZO for holes, shafts, slots, and webs.

L979 Workpiece Measurement (Random Angles)

Measures features like holes, shafts, slots, webs at random angles.

L978 Workpiece Measurement (Surface/Angle/ZO Determination)

Measures surfaces and angles, with or without differential measurement.

Measuring Cycles for Turning and Milling Work

L981 Searching for a Hole/Slot

Searches for the position of holes or slots on faces or cylinders.

Measuring in JOG Mode (SINUMERIK 880/880 GA2)

Tool Measurement in JOG Mode

Semi-automatic determination of tool lengths and storing in offset memory.

Workpiece Measurement in JOG Mode

Determines workpiece zero offsets using a probe and stores values.

Automatic Workpiece Measurement in JOG Mode (SINUMERIK 840 SW2)

General Overview

Extended version of Inprocess Measurement cycles for SINUMERIK.

Setting Parameters for Workpiece Measurement and Calibration

Inputting parameters like drilling axis, probe number, and measuring speed.

Calibrating Probe in Any Hole

Calibrates the probe in any hole, determining trigger points and storing them.

Workpiece Measurement Variants

Overview of available measurement variants: hole, shaft, slot, web, surface, angle.

Alarms and Error Handling

Measuring Cycle Alarms

Lists alarms that can occur during measuring cycles.

Alarm Description and Cancellation

Detailed explanations and remedies for various alarm numbers.

Reference Lists for Measuring Cycles

Overview of Transfer Parameters

Tables detailing parameters for various measuring cycles (L970-L981).

Result Displays for Measurement Cycles

Describes the format and content of measurement result displays.

Result Parameters for Measuring Cycles

Lists P numbers corresponding to measurement results for various cycles.

Setting Data for Measuring Cycles (SDC)

Details channel-oriented values and bits in the SDC memory.

Abbreviations Used in Documentation

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