Renishaw OTS Bedienungsanleitung

OTS optical tool setter

Installation guide

H-5514-8504-02-B

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Renishaw part no: H-5514-8504-02-B

First issued: September 2008

Revised: November 2008

April 2009

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

prior written permission of Renishaw plc.

The publication of material within this document

does not imply freedom from the patent rights of

Renishaw plc.

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Contents

1.0 Before you begin

Disclaimer ..............................................................................................1.1

Trademarks ............................................................................................1.1

Warranty.................................................................................................1.1

Changes to equipment...........................................................................1.1

CNC machines.......................................................................................1.1

Care of the probe...................................................................................1.1

Patents...................................................................................................1.2

EC declaration of conformity..................................................................1.3

FCC declaration (USA)...........................................................................1.3

Safety.....................................................................................................1.4

2.0 OTS basics

Introduction.............................................................................................2.1

Operation................................................................................................2.2

Modes of operation.................................................................................2.3

Conﬁgurable settings..............................................................................2.4

OTS dimensions.....................................................................................2.5

OTS speciﬁcation...................................................................................2.6

Principal application..........................................................................2.6

Overall dimensions............................................................................2.6

Weight...............................................................................................2.6

Operating ..........................................................................................2.6

Batteries............................................................................................2.7

Environment......................................................................................2.7

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OTS installation guide

Contents

3.0 System installation

Typical system with an OMI-2T/OMI-2H............................................3.1

OTS performance envelope with an OMI-2T/OMI-2/OMI-2H.......3.2

Preparing the OTS for use ................................................................3.3

Fitting the stylus, break stem and captive link...................................3.3

Installing the batteries.......................................................................3.4

Mounting the OTS on a machine table..............................................3.5

Positioning the optical module ..........................................................3.6

Stylus level setting ............................................................................3.7

Square stylus only.............................................................................3.9

Calibrating the OTS.........................................................................3.13

4.0 Trigger Logic™

Reviewing the current probe settings................................................4.1

Probe settings record table...............................................................4.2

Changing the probe settings.............................................................4.3

Operating mode ................................................................................4.4

5.0 Maintenance

Maintenance .....................................................................................5.1

Cleaning the probe ...........................................................................5.1

Changing the batteries......................................................................5.2

Battery types.....................................................................................5.3

Routine maintenance........................................................................5.4

Inspecting the inner diaphragm seal.................................................5.5

6.0 Fault finding

Fault ﬁnding.......................................................................................6.1

7.0 Parts list

Parts list ............................................................................................7.1

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1.1

Disclaimer

RENISHAW HAS MADE CONSIDERABLE

EFFORTS TO ENSURE THE CONTENT OF THIS

DOCUMENT IS CORRECT ATTHE DATE OF

PUBLICATION BUT MAKES NO WARRANTIES

OR REPRESENTATIONS REGARDING

THE CONTENT. RENISHAW EXCLUDES

LIABILITY, HOWSOEVER ARISING, FOR ANY

INACCURACIES IN THIS DOCUMENT.

Trademarks

RENISHAW® and the probe emblem used in the

RENISHAW logo are registered trademarks of

Renishaw plc in the UK and other countries.

apply innovation™ and Trigger Logic™ are

trademarks of Renishaw plc.

All other brand names and product names used

in this document are trade names, service marks,

trademarks, or registered trademarks of their

respective owners.

Warranty

Equipment requiring attention under warranty

must be returned to your equipment supplier.

No claims will be considered where Renishaw

equipment has been misused, or where

repairs or adjustments have been attempted by

unauthorised persons. Prior consent must be

obtained in instances where Renishaw equipment

is to be substituted or omitted. Failure to comply

with this requirement will invalidate the warranty.

Changes to equipment

Renishaw reserves the right to change equipment

specifications without notice.

CNC machines

CNC machine tools must always be operated by

fully trained personnel in accordance with the

manufacturer's instructions.

Care of the probe

Keep system components clean and treat the

probe as a precision tool.

Before you begin

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OTS installation guide

1.2

Before you begin

EP 0695926

EP 0974208

EP 1130557

EP 1373995

EP 1397637

EP 1425550

EP 1503524 B

EP 1701234

EP 1734426

EP 1804020

JP 2994401

JP 2004-522961

JP 2004-530234

JP 2005-502035

US 5150529

US 5669151

US 6472981 B2

US 6839563 B1

US 6860026 B2

US 6941671 B2

US 7145468 B2

Patents

Features of the OTS probe, and other similar

Renishaw probes, are the subject of one or

more of the following patents and/or patent

applications:

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1.3

Before you begin

CFCC DECLARATION (USA)

FCC Section 15.19

This device complies with Part 15 of the

FCC rules.

Operation is subject to the following two

conditions:

1. This device may not cause harmful

interference.

2. This device may accept any interference

received, including interference that may

cause undesired operation.

FCC Section 15.105

This equipment has been tested and found to

comply with the limits for a Class A digital device,

pursuant to Part 15 of the FCC rules.These limits

are designed to provide reasonable protection

against harmful interference when the equipment

is operated in a commercial environment.This

equipment generates, uses, and can radiate

radio frequency energy and, if not installed

and used in accordance with the instruction

manual, may cause harmful interference to radio

communications.Operation of this equipment

in a residential area is likely to cause harmful

interference, in which case you will be required

to correct the interference at your own expense.

FCC Section 15.21

The user is cautioned that any changes or

modifications not expressly approved by

Renishaw plc, or authorised representative

could void the user’s authority to operate the

equipment.

EC DECLARATION OF

CONFORMITY

Renishaw plc declares that the product:-

Name

Description

OTS

Optical tool setter

has been manufactured in conformity with the

following standards:-

BS EN 61326-1:2006

BS EN 60825-12:2004

Electrical equipment

for measurement,

control and

laboratory use - EMC

requirements -

Part 1: General

requirements

Immunity to Table 2

- industrial locations.

Emissions to Class A

- industrial locations.

Safety of laser

products -

Part 12: Safety of

free space optical

communication

systems used for

transmission of

information

and that it complies with the requirements of

the following directives: -

2004/108/EC

2006/95/EC

Electromagnetic

compatibility

Low voltage

The above information is summarised from the

full EC Declaration of Conformity. A copy is

available from Renishaw on request.

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Safety

Information to the user

Handle and dispose of batteries in accordance

with the manufacturer's recommendations. Use

only the recommended batteries. Do not allow the

battery terminals to contact other metallic objects.

The OTS has a glass window, handle with care if

broken, to avoid injury.

Information to the machine supplier/

installer

It is the machine supplier's responsibility to

ensure that the user is made aware of any

hazards involved in operation, including those

mentioned in Renishaw product literature, and

to ensure that adequate guards and safety

interlocks are provided.

Under certain circumstances, the probe signal

may falsely indicate a probe seated condition. Do

not rely on probe signals to halt the movement of

the machine.

Information to equipment installer

All Renishaw equipment is designed to comply

with the relevant EEC and FCC regulatory

requirements.It is the responsibility of the

equipment installer to ensure that the following

guidelines are adhered to, in order for the product

to function in accordance with these regulations:

• any interface MUST be installed in a

position away from any potential sources

of electrical noise, i.e.power transformers,

servo drives etc;

• all 0V/ground connections should be

connected to the machine 'star point' (the

'star point' is a single point return for all

equipment ground and screen cables).

This is very important and failure to adhere

to this can cause a potential difference

between grounds;

• all screens must be connected as outlined

in the user instructions;

• cables must not be routed alongside high

current sources, i.e. motor power supply

cables etc, or be near high speed data

lines;

• cable lengths should always be kept to a

minimum.

OTS installation guide

1.4

Before you begin

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2.12.1

OTS basics

Introduction

The OTS is a tool setter probe with optical signal

transmission, suitable for use on small to large

machining centres.It is designed to resist optical

interference, false triggering and shock.

OTS types

The OTS is available in two versions, one with

½ AA batteries and the other with AA batteries.

This allows the use of a common battery type for

both the OTS and the spindle probe.

i.e. OTS with ½ AA batteries with an

OMP40-2/OMP400.

OTS with AA batteries with an OMP60.

Both versions work in conjunction with any

modulated spindle probe.

Modulated transmission

To minimise the effects of light interference, the

OTS operates using modulated transmission, and

must be used with a modulated receiver.

Twin probe system with an OMI-2T/

OMI-2H

A twin probe system can accommodate a spindle

probe with a tool setter probe or twin tool setter

probes or twin spindle probes, see Optical start

configuration page 2.4.

The OTS can be user configured to use one of

three coded start commands, named Probe 1,

Probe 2 and Probe 3.

NOTE:

Currently no interface is compatible with Probe 3.

Single probe system with an OMI-2T/

OMI-2/OMI-2H/OMI-2C

A single OTS can be used with an OMI-2T/

OMI-2/OMI-2H/OMI-2C receiver.

Trigger Logic™

All OTS settings are configured using the Trigger

Logic™ technique.

Trigger Logic™ (see Section 4 - Trigger

Logic™) is a method that allows the user to view

and select all available mode settings in order to

configure a probe to suit a specific application.

Trigger Logic™ is activated by battery insertion

and uses a sequence of stylus deflection

(triggering) to systematically lead the user

through the available choices to allow selection

of the required mode options.

Current probe settings can be reviewed by

simply removing the batteries for a minimum of 5

seconds, and then replacing them to activate the

Trigger Logic™ review sequence.

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OTS installation guide

2.2

OTS basics

Operation

Achievable set-up tolerances

The tolerances to which tools can be set depend

upon the ﬂatness and parallelism of the stylus tip

setting. A value of 5 µm (0.0002 in) front to back

and side to side is easily achievable over the ﬂat

portion of the stylus tip, and 5 µm (0.0002 in)

parallelism is easily achievable with the axes of a

square tip stylus.This setting accuracy is sufﬁcient

for the majority of tool setting applications.

Recommended rotating tool feed rates

Cutters should be rotated in reverse to the

cutting direction. Renishaw tool setting software

calculates the spindle speed and axis feed rates

automatically using the following information.

First touch – machine spindle rev/min

Rev/min for the first move against the probe

stylus:

Diameters below 24 mm, 800 rev/min is used.

Diameters from 24 mm to 127 mm, rev/min is

calculated using a surface speed of 60 m/min

(197 ft/min).

Diameters above 127 mm, 150 rev/min is used.

First touch – machine feed rate

The feed rate (f) is calculated as follows:

f = 0.16 × rev/min f units mm/min

(diameter set).

f = 0.12 × rev/min f units mm/min

(length set).

Second touch – machine feed rate

800 rev/min, 4 mm/min (0.16 in/min) feed rate.

Operation

The tool is driven in the machine Z axis for tool

length measurements and broken tool detection.

Rotating tools are set in the machine’s X andY

axes for tool radius offsets.

Screw adjusters allow the stylus to be aligned

with the machine’s axes.

Software routines

Software routines for tool setting are available

from Renishaw for various machine controllers

and are described in data sheet H-2000-2289.

In addition data sheet H-2000-2298 lists available

Renishaw software programs. Both data sheets

can be downloaded from

www.renishaw.com/mtp

Stylus

ZX/Y

Rotate tool in reverse direction

for diameter setting

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