Renishaw NC1 Mode d'emploi

H-2000-6199-02-A

NC1 non-contact

tool setting system

Programming Guide

(Siemens 810D / 840D and FMNC)

=>?@D

R25=y

R11=h

R25=y

R26=z

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This document may not be copied or reproduced in whole or in

part, or transferred to any other media or language, by any means

without the written prior permission of Renishaw.

The publication of material within this document does not imply

freedom from the patent rights of Renishaw plc.

Disclaimer

Considerable effort has been made to ensure that the contents of

this document are free from inaccuracies and omissions.

However, Renishaw makes no warranties with respect to the

contents of this document and specifically disclaims any implied

warranties. Renishaw reserves the right to make changes to this

document and to the product described herein without obligation

to notify any person of such changes.

Trademarks

All brand names and product names used in this document are

trade names, service marks, trademarks, or registered trademarks

of their respective owners.

Renishaw part no: H-2000-6199-02-A

Issued – February 2001

NC1 non-contact

tool setting system

Programming Guide

(Siemens 810D / 840D and FMNC controls)

=>?@D

Renishaw plc

New Mills, Wotton-under-Edge,

Gloucestershire, GL12 8JR, UK

Tel: +44 (0)1453 524524 [07000 RENISHAW]

Fax: +44 (0)1453 524901

email: uk@renishaw.com

www.renishaw.com

Caution – Laser safety

The laser used in the Renishaw NC1 non-contact tool

setting system emits visible red light at a wavelength of

670nm and has a maximum power output of less than

1mW. It is a Class 2 product as defined by European and

American laser safety standards (EN60825-1:1994 and US Code of

Federal Regulations 21CFR1040).

When using the NC1 system:

Do not stare directly into the laser beam. The beam may be

viewed safely from the side.

Ensure that the laser beam is not reflected into the eyes of

another person via a mirror or other reflective surface.

Do not expose skin to the laser beam for longer than is absolutely

essential.

When the system is not being used, cover the laser beam

aperture with the sliding cover.

Caution – Software safety

The software you have purchased is used to control the

movements of a machine tool. It has been designed to

cause the machine to operate in a specified manner under

operator control, and has been configured for a particular

combination of machine tool hardware and controller.

Renishaw has no control over the exact program configuration of the

controller with which the software is to be used, nor of the

Cautions

mechanical layout of the machine. Therefore, it is the responsibility of

the person putting the software into operation to:

ensure that all machine safety guards are in position and are

correctly working before commencement of operation;

ensure that any manual overrides are disabled before

commencement of operation;

verify that the program steps invoked by this software are

compatible with the controller for which they are intended;

ensure that any moves which the machine will be instructed to

make under program control would not cause the machine to

inflict damage upon itself or upon any person in the vicinity;

be thoroughly familiar with the machine tool and its controller and

know the location of all emergency stop switches.

Related publications

When using the Beam alignment cycle (subroutine L9860) you will

also need to refer to the following Renishaw publication. This contains

instructions on how to physically align the beam at the NC1

transmitter unit.

NC1 Installation Guide and Parts List

(Renishaw Part No. H-2000-5048)

Cautions

Contents

Renishaw NC1 tool setting system ..................................................... 6

Features of the NC1 system software ................................................ 7

Measuring subroutine features .................................................... 7

Calibration subroutine features .................................................... 7

Service subroutine features ......................................................... 8

Software memory requirements ......................................................... 9

Machine tool controllers supported .................................................... 9

Tool-offset types supported .............................................................. 10

Positive tool-offset applications .................................................. 10

Negative tool-offset applications ................................................ 10

Relative to a master tool with zero (0) tool-offset value. ........... 11

Measurement values used in this guide ........................................... 11

Installing the software ....................................................................... 12

Subroutine parameters ..................................................................... 12

Parameter store for calibration data ........................................... 12

Setting-data subroutine L9760 ................................................... 13

Common parameters ................................................................. 19

Customising the subroutines ............................................................ 20

Editing the measure move subroutine L9762 ............................ 20

Orientation of the NC1 system ......................................................... 21

Beam-find and measuring moves ..................................................... 22

Scatter tolerance checking ............................................................... 23

Beam alignment (subroutine L9860) ................................................ 24

Calibrating the NC1 (subroutine L9861) ........................................... 32

Tool length setting (subroutine L9862) ............................................. 38

Contents

Tool radius/diameter setting (subroutine L9862) .............................. 43

Tool length and radius setting (subroutine L9862) ........................... 49

Cutting edge checking (subroutine L9862) ...................................... 55

Broken tool detection – plunge checking (subroutine L9863) .......... 60

Broken tool detection – radial checking (subroutine L9864) ............ 65

Cutter radius and linear profile checking (subroutine L9865) .......... 70

Temperature compensation tracking (subroutine L9861) ................. 79

Error messages and alarms ............................................................. 85

Contents

Renishaw NC1 system

Renishaw NC1 tool setting system

This guide describes how to use the Renishaw NC1 non-contact tool

setting system software.

The Renishaw NC1 is a laser-based non-contact tool setting system

that provides high-speed/high-precision measurement of cutting tools

on a machining centre under normal operating conditions.

As a tool is moved through the laser beam, the system detects when

the beam is broken. Output signals sent to the controller allow the

presence of a tool and the position of the tip, a tooth, or a cutting

edge to be established.

The NC1 allows the following parameters to be established:

Length and diameter of the cutting tool. Tools as small as 0.2 mm

(0.008 in) diameter can be accurately measured.

Detection of a broken tool.

Detection of a broken tip or cutting edge, or excessive runout of a

tool.

Compensation for thermal changes in the machine tool.

Features of the NC1 system software

NC1 system software provides the following measuring and

calibration features:

Measuring subroutine features

Four measuring subroutines provide the following features:

L9862 – used for measuring the length and diameter of the

cutting tool and for cutting edge checking.

L9863 – used for broken tool detection by plunge measurement.

This is intended for use on vertical machining centres.

L9864 – used for broken tool detection by radial measurement.

This is intended for use on horizontal machining centres.

L9865 – used for checking the radii and linear profile of the cutter.

Calibration subroutine features

Two calibration subroutines provide the following features:

L9860 – used for aligning the laser beam, setting the provisional

positions of the beam in the spindle and radial-measuring axes,

and setting the measuring position along the beam.

L9861 – used for calibrating the positions of the laser beam in the

spindle and radial-measuring axes, and for temperature

compensation of the spindle and radial-measuring axes.

Software features

Service subroutine features

The measuring and calibration subroutines are supported by the

service subroutines listed below.

L9760 – used for the settings data.

L9761 – used for startup functions.

L9762 – used for the measuring routine.

L9763 – used for the G31 routine.

L9764 – used for the G0/G1 routine.

L9765 – used for the G2/G3 routine.

L9766 – used for the search routine.

L9769 – used for error messages.

L9800 – clears global ‘R’ parameters used for subroutine input

data.

NOTE: L9800 Clear global ‘R’ parameters.

The subroutine L9800 is called at the end of every measuring and

calibration subroutine (9800-series) to reset the global ‘R’

parameters, used as inputs, to a default value.

If global ‘R’ parameters R00 to R26 are used for other

programming purposes outside of this tool setting package, it is

recommended that L9800 is called prior to setting them for the

next tool setting routine. All examples in this programming guide

show this being done.

Software features

Table des matières

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