Renishaw NC1 Instrucciones de funcionamiento
H-2000-6199-02-A
NC1 non-contact
tool setting system
Programming Guide
(Siemens 810D / 840D and FMNC)
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R25=y
12
R11=h
R25=y
R26=z
© 2001 Renishaw. All rights reserved.
Renishaw® is a registered trademark of Renishaw plc.
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
1
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
2
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:
n
Do not stare directly into the laser beam. The beam may be
viewed safely from the side.
n
Ensure that the laser beam is not reflected into the eyes of
another person via a mirror or other reflective surface.
n
Do not expose skin to the laser beam for longer than is absolutely
essential.
n
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
3
mechanical layout of the machine. Therefore, it is the responsibility of
the person putting the software into operation to:
n
ensure that all machine safety guards are in position and are
correctly working before commencement of operation;
n
ensure that any manual overrides are disabled before
commencement of operation;
n
verify that the program steps invoked by this software are
compatible with the controller for which they are intended;
n
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;
n
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
4
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
5
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
6
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:
n
Length and diameter of the cutting tool. Tools as small as 0.2 mm
(0.008 in) diameter can be accurately measured.
n
Detection of a broken tool.
n
Detection of a broken tip or cutting edge, or excessive runout of a
tool.
n
Compensation for thermal changes in the machine tool.
7
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:
n
L9862 – used for measuring the length and diameter of the
cutting tool and for cutting edge checking.
n
L9863 – used for broken tool detection by plunge measurement.
This is intended for use on vertical machining centres.
n
L9864 – used for broken tool detection by radial measurement.
This is intended for use on horizontal machining centres.
n
L9865 – used for checking the radii and linear profile of the cutter.
Calibration subroutine features
Two calibration subroutines provide the following features:
n
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.
n
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
8
Service subroutine features
The measuring and calibration subroutines are supported by the
service subroutines listed below.
n
L9760 – used for the settings data.
n
L9761 – used for startup functions.
n
L9762 – used for the measuring routine.
n
L9763 – used for the G31 routine.
n
L9764 – used for the G0/G1 routine.
n
L9765 – used for the G2/G3 routine.
n
L9766 – used for the search routine.
n
L9769 – used for error messages.
n
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
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