Renishaw OMP400 Manuel utilisateur

OMP400 optical machine probe systems

Installation guide

H-5069-8504-05-B

Renishaw part no: H-5069-8504-05-B

First issued: 01.2008

Revised: 09.2022

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.

Renishaw plc. Registered in England and Wales. Company no: 1106260. Registered office: New Mills,

Wotton-under-Edge, Gloucestershire, GL12 8JR, UK.

Compliance information for this product is available by scanning the QR code or visiting

www.renishaw.com/mtpdoc

Contents

Before you begin

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

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

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

Changes to equipment .......................................................1.2

CNC machines .............................................................1.2

Care of the probe ...........................................................1.2

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

Safety ....................................................................1.3

OMP400 basics

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

Optical transmission method...................................................2.2

Legacy mode ............................................................2.2

Modulated mode .........................................................2.2

Twin probe system...........................................................2.2

Trigger Logic™ .............................................................2.2

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

Configurable settings.........................................................2.3

Switch-on delay ..........................................................2.3

Switch-on / switch off methods...............................................2.4

Enhanced trigger filter .....................................................2.4

Auto-reset facility .........................................................2.5

Optical transmission method and probe identity .................................2.5

Optical power ...........................................................2.5

OMP400 dimensions.........................................................2.6

OMP400 specification ........................................................2.7

Recommended styli..........................................................2.8

OMP400 installation guide

Contents

System installation

Installing the OMP400 with an OMI-2T / OMI-2 / OMI-2H / OMI ........................3.1

Performance envelope with an OMI-2T / OMI-2H / OMI-2 (modulated transmission) .....3.2

Performance envelope when using the OMP400 with the OMI (legacy transmission).....3.3

Installing the OMP400 with an OMM and MI 12 ....................................3.4

Performance envelope with an OMM (legacy transmission) ........................3.5

Preparing the OMP400 for use .................................................3.6

Fitting the stylus ..........................................................3.6

Installing the batteries .....................................................3.7

Mounting the probe on a shank (or machine table) ...............................3.8

Stylus on-centre adjustment.................................................3.9

Calibrating the OMP400 .....................................................3.10

Why calibrate a probe? ...................................................3.10

Calibrating in a bored hole or on a turned diameter..............................3.10

Calibrating in a ring gauge or on a datum sphere ...............................3.10

Calibrating the probe length ................................................3.11

Trigger Logic™

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

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

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

Changing the probe settings (continued) .........................................4.4

Operating mode.............................................................4.5

Maintenance

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

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

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

Fault finding

Parts list

1.1

Disclaimer

WHILE CONSIDERABLE EFFORT WAS MADE TO VERIFY THE ACCURACY OF THIS DOCUMENT

AT PUBLICATION, ALL WARRANTIES, CONDITIONS, REPRESENTATIONS AND LIABILITY,

HOWSOEVER ARISING, ARE EXCLUDED TO THE EXTENT PERMITTED BY LAW.

RENISHAW RESERVES THE RIGHT TO MAKE CHANGES TO THIS DOCUMENT AND TO THE

EQUIPMENT, AND/OR SOFTWARE AND THE SPECIFICATION DESCRIBED HEREIN WITHOUT

OBLIGATION TO PROVIDE NOTICE OF SUCH CHANGES.

Trademarks

RENISHAW® and the probe symbol are registered trade marks of Renishaw plc. Renishaw

product names, designations and the mark ‘apply innovation’ are trade marks of Renishaw plc or its

subsidiaries.

Google Play and the Google Play logo are trademarks of Google LLC.

Apple and the Apple logo are trademarks of Apple Inc., registered in the U.S. and other countries.

AppStore is a service mark of Apple Inc.,registered in the U.S. and other countries.

Other brand, product or company names are trade marks of their respective owners.

Warranty

Unless you and Renishaw have agreed and signed a separate written agreement, the equipment

and/or software are sold subject to the Renishaw Standard Terms and Conditions supplied with such

equipment and/or software, or available on request from your local Renishaw office.

Renishaw warrants its equipment and software for a limited period (as set out in the Standard Terms

and Conditions), provided that they are installed and used exactly as defined in associated Renishaw

documentation. You should consult these Standard Terms and Conditions to find out the full details of

your warranty.

Equipment and/or software purchased by you from a third-party supplier is subject to separate terms

and conditions supplied with such equipment and/or software. You should contact your third-party

supplier for details.

Before you begin

OMP400 installation guide

1.2

Before you begin

Changes to equipment

Renishaw reserves the right to change equipment specifications without notice.

CN 101142461

CN 101171493

CN 101198836

EP 1457786

EP 1866602

EP 1880163

EP 1893937

EP 2154471

IN 305341

IN 307453

IN 364693

JP 5283501

JP 530811

JP 5357541

JP 5611297

US 6860026

US 7285935

US 7486195

US 7603789

US 7689379

US 7792654

US 8140287

Intended use

The OMP400 is a optical spindle probe that enables automated workpiece inspection and job set-up

on multi-tasking machines and machining centres.

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.

Patents

Features of the OMP400 probe, and other similar Renishaw probes, are subject of one or more of the

following patents and / or patent applications:

1.3

Before you begin

Safety

Information to the user

This product is supplied with non-rechargeable lithium metal batteries. Refer to the battery

manufacturer’s literature for specific battery operating, safety and disposal guidelines.

• Do not attempt to recharge the batteries.

• Replace the batteries only with the specified type.

• Do not mix new and used batteries in the product.

• Do not mix different types or brands of batteries in the product.

• Ensure that all batteries are inserted with the correct polarity in accordance with the instructions in

this manual and indicated on the product.

• Do not store the batteries in direct sunlight.

• Do not expose the batteries to water.

• Do not expose the batteries to heat or dispose of the batteries in a fire.

• Avoid forced discharge of the batteries.

• Do not short circuit the batteries.

• Do not disassemble, apply excessive pressure, pierce, deform or subject the batteries to impact

• Do not swallow the batteries

• Keep the batteries out of the reach of children.

• If the batteries are swollen or damaged do not use them in the product and exercise caution when

handling them.

• Dispose of waste batteries in accordance with your local environmental and safety laws.

Ensure that you comply with international and national battery transport regulations when transporting

the batteries or this product with the batteries inserted.

Lithium metal batteries are classified as dangerous goods for transportation and require labelling and

packaging in accordance with the dangerous goods regulations before being offered for transportation.

To reduce the risk of shipment delays, should you need to return this product to Renishaw for any

reason, do not return any batteries.

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.

OMP400 installation guide

1.4

Before you begin

Information to the equipment installer

All Renishaw equipment is designed to comply with the relevant EC 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 0 V/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.

Equipment operation

If this equipment is used in a manner not specified by the manufacturer, the protection provided by the

equipment may be impaired.

Optical safety

This product contains LEDs that emit both visible and invisible light.

OMM-2C is ranked Risk Group: Exempt (safe by design).

The product was evaluated and classified using the following standard:

BS EN 62471:2008 The photobiological safety of lamps and lamp systems.

Renishaw recommends that you do not stare at or look directly into any LED device, irrespective of its

risk classification.

2.12.1

Introduction

Welcome to the OMP400, Renishaw's ultra compact probe for small to medium machining centres that

sets new standards for reliability and robustness in the harshest of machine tool environments.

Successfully combining the miniaturisation of the popular OMP40 with the high accuracy of the

MP700, the OMP400 provides existing probe users with a simple upgrade to solid-state strain gauge

technology and all the associated benefits this brings:

• excellent 3D performance to allow probing of contoured surfaces;

• improved repeatability in all probing directions;

• low pre-travel variation to provide high accuracy, even when used with long styli;

• a proven ten-fold improvement in life (10 million triggers);

• the elimination of reseat failures;

• high resistance to machine tool vibration;

• a 360° optical ‘switch-on’ facility, allowing the probe to be turned on / reset in any position;

• resistance to shock and false triggering through the use of digital filtering;

• full compatibility with Renishaw’s industry proven optical transmission systems.

In addition to providing high accuracy measurement on your machine tool, the OMP400 also offers:

• Faster calibration:

On complex 3D parts, it is common to measure in several different directions. Each direction

of a standard mechanical probe must be calibrated to ensure that the pre-travel variation is

compensated in the measurement. Performing this calibration for every 3D direction can be

time-consuming.

The OMP400 has almost no pre-travel variation, so a single calibration value may be used for any

probing angle in 2D or 3D. This results in a vastly reduced calibration time. An additional benefit is a

corresponding reduction in errors introduced by environmental changes within the machine during

a long calibration cycle.

OMP400 basics

OMP400 installation guide

2.2

OMP400 basics

Optical transmission method

The OMP400 can be operated in either legacy or modulated mode. The modulated mode has a

higher resistance to light interference. Certain forms of light interference can cause false triggers or

mimic a start signal and falsely activate the probe. These effects are much reduced when modulated

transmission is selected.

Legacy mode

When set to legacy mode, the probe will only function with an OMI or OMM / MI 12.

If start problems are experienced in legacy mode, activate the Legacy Start Filter ON option. This

introduces a 1 second delay to the probe switch on time, and improves the probe's resistance to false

starts caused by light interference.

NOTE: The probing program on the machine will need to take account of this delay.

Modulated mode

When set to modulated mode, the probe will only function with an OMI-2, OMI-2T OMI-2H or

OMI-2C interface.

Modulated transmission is capable of providing two different coded start signals. This allows the use of

two probes with one interface. Twin probe installations require an OMI-2T interface.

Twin probe system

To operate a twin probe system, one probe needs to be set to PROBE 1 start and the other set to

PROBE 2 start. These settings are user configurable.

In a twin probe system, such as a spindle probe and an optical tool setting probe, the spindle probe

would be set to PROBE 1 start and the tool setter to PROBE 2 start.

NOTE: When used in conjunction with an OMI-2T, the OMP400 switch on method must be set to

optical on (standard).

Trigger Logic™

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 customise 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.

A Probe Setup app is available that simplifies this process with clear, interactive instructions and

informative videos and is available for download on the App Store and Google Play.

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