Delta Transformation for Renishaw OMV
and Renishaw OMV Pro
User guide
H-5369-8505
2 Delta Transformation for Renishaw OMV and Renishaw OMV Pro
Publication no. H-5369-8505
© 2016 Renishaw plc. All rights reserved.
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.
Disclaimer
RENISHAW HAS MADE CONSIDERABLE EFFORTS TO ENSURE THE CONTENT OF THIS
DOCUMENT IS CORRECT AT THE DATE OF PUBLICATION BUT MAKES NO WARRANTIES
OR REPRESENTATIONS REGARDING THE CONTENT. RENISHAW EXCLUDES LIABILITY,
HOWSOEVER ARISING, FOR ANY INACCURACIES IN THIS DOCUMENT.
Trade marks
RENISHAW and the probe symbol used in the RENISHAW logo are registered trade marks of
Renishaw plc in the UK and other countries. apply innovation and names and designations of other
Renishaw products and technologies are trade marks of Renishaw plc or its subsidiaries.
All other brand names and product names used in this document are trade names, trade marks, or
registered trade marks of their respective owners.
Renishaw part no: H-5369-8505-01-A
First issued: 02.2016
3Delta Transformation for Renishaw OMV and Renishaw OMV Pro
Publication no. H-5369-8505
IMPORTANT – PLEASE READ CAREFULLY
RENISHAW – Renishaw OMV PRODUCT LICENCE
Licensee: you, the person, firm or company accepting the terms of this licence
Renishaw: Renishaw plc, New Mills, Wotton-under-Edge, Gloucestershire, GL12 8JR,
United Kingdom
Product: this software (“Renishaw OMV”) including all modules and components,
manuals and any software protection devices incorporated within or issued
with it
Licence to use: non-exclusive licence to use the Product on a single installation at any one
time using a Renishaw licence key. The licence to use may be transferred
from one installation to another installation in accordance with the procedures
specified by Renishaw.
If the Product is licensed for a time-limited trial or demonstration only:
• the Product will not operate after expiry of the specified time;
• Renishaw provides no warranties regarding the performance of the Product and the first
sentence of Condition 2 below does not apply.
By opening any shrink-wrap or packaging in which the Product is contained and/or installing and/
or using the Product you indicate your acceptance of the terms of the Licence. If you do not agree
to the terms of this Licence, do not install or use the software and promptly return the Product and
accompanying documentation to the person who supplied it to you in order to obtain a refund of any
licence fee paid. If you are installing the Product on a computer that is not owned by you, you are
bound by this Licence both individually and as agent for the end user and your actions bind the end
user. The end user means the person, firm or company that is the user of the computer .
Renishaw grants the Licensee a Licence to use the Product on condition the Licensee accepts the
following terms and conditions:
1. All rights in and title to the Product are and shall remain vested in Renishaw and its licensors.
2. Renishaw shall replace or repair the Product if it does not materially perform to specification
under proper use within 90 days of delivery.
Except as stated in this paragraph, all warranties, conditions and terms implied by law are
excluded. In particular, no warranty is given that the Product is bug or error-free.
3. NOTE – LIMITATION OF LIABILITY IN CONNECTION WITH USE OF THE PRODUCT
• Renishaw does not exclude liability for personal injury or death caused by Renishaw’s
negligence.
• For Products supplied free of charge to the Licensee, Renishaw has no other liability to
Licensee.
• For Products paid for by the Licensee, Renishaw’s liability is limited to (a) the warranty
contained in paragraph 2 and (b) direct losses up to a maximum of £50,000.
• Renishaw has no liability to the Licensee for any indirect, consequential or economic loss
(including, without limitation, loss of data, profits or goodwill).
• By accepting the terms of this Licence the Licensee agrees that this limitation of liability is
reasonable.
4. The Licensee may not make any copies of the Product except as provided in this Licence or as
permitted by applicable law. The Licensee is authorised to make a backup copy of the Product
for security purposes. The Licensee must not remove any licence and copyright notices, labels
or marks contained in the original and shall ensure all copies contain such notices without
modification.
4 Delta Transformation for Renishaw OMV and Renishaw OMV Pro
Publication no. H-5369-8505
5. If the Product contains electronic manuals the Licensee may print out the manuals in part or
in full, provided that the print outs or copies are not supplied to any third party that is not an
employee or contractor for the Licensee without Renishaw’s written permission.
6. The Licensee shall not reverse engineer, decompile, or modify the Product or re-use any
components separately from the Product unless permitted by applicable law provided that
Licensee has first contacted Renishaw to request any information required to interface with
Licensee’s other software.
7. The Licensee shall not make the Product available to any third party in any manner whatsoever
nor may this Licence and the Product be transferred to a third party without Renishaw’s prior
written agreement. Any agreement by Renishaw is conditional on the permitted transferee
agreeing to all terms of this Licence and the Licensee not retaining any copies of the Product.
8. The Licensee shall not export the Product in contravention of any applicable export control laws.
9. The Licensee shall permit reasonable auditing and tracing of copies of the Product by
Renishaw or its licensors.
10. Renishaw shall have the right to terminate this Licence immediately if the Licensee fails to
comply with any of these terms and conditions. The Licensee agrees upon receipt of notice
of termination from Renishaw to immediately return or destroy all copies of the Product in its
possession or control.
11. Statement concerning United States Government users – This Product is commercial computer
software and commercial computer software documentation (as used in 48 CFR 12.212 and
48 CFR 227.7202-1 to 227.7202-4) that has been developed exclusively at private expense. If
this Product is acquired directly or indirectly on behalf of a unit or agency of the United States
Government under the terms of (i) a United States Department of Defense contract, then
pursuant to DOD FAR Supplement 227.7202-3(a), the United States Government shall only have
the rights set forth in this Licence; or (ii) a civilian agency contract, then use, reproduction, or
disclosure is subject to the restrictions set forth in FAR clause 27.405(b)(2)(i), entitled Acquisition
of Existing Computer Software, and any restrictions in the agency’s FAR supplement and any
successor regulations thereto, and the restrictions set forth in this Licence.
12. This Licence is governed by English law and the parties submit to the exclusive jurisdiction of the
English courts.
5Delta Transformation for Renishaw OMV and Renishaw OMV Pro
Publication no. H-5369-8505
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 over the 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, understand the operation of work
coordinate systems, tool offsets, program communication (uploading and downloading) and the
location of all emergency stop switches.
IMPORTANT: This software makes use of controller variables in its operation. During its execution,
adjustment of these variables, including those listed within this manual, or of tool offsets and work
offsets, may lead to malfunction.
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7Delta Transformation for Renishaw OMV and Renishaw OMV Pro
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Contents
Delta Transformation .................................................................................................... 9
Accessing Delta Transformation .................................................................................. 9
Creating a part alignment ............................................................................................ 9
Applying the part alignment ....................................................................................... 10
Local Coordinate System ..................................................................................................................10
Reference Alignment1 .......................................................................................................................10
Reference Alignment2 .......................................................................................................................10
Export ................................................................................................................................................10
PowerMILL ................................................................................................................. 12
Export to File ............................................................................................................. 12
Language................................................................................................................... 13
Compatibility .............................................................................................................. 13
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9Delta Transformation for Renishaw OMV and Renishaw OMV Pro
Publication no. H-5369-8505
Delta Transformation
Delta Transformation is a licence option installed as part of Renishaw OMV and Renishaw OMV
Pro which enables users to set up components on a CNC machine tool using a Renishaw OMV (or
Renishaw OMV Pro) measurement and alignment sequence to help reduce both set-up time and
costs.
It can also be used to transfer calculated best fits to the machine tool controller, allowing the
remachining of repositioned, free-form components.
Accessing Delta Transformation
In Renishaw OMV, select Delta Transformation .
In Renishaw OMV Pro, select Miscellaneous
followed by Delta Transformation .
Creating a part alignment
Within an open session of Renishaw OMV or Renishaw OMV Pro, create the required measurement
and alignment. All available alignment types are valid.
In the image below, plane, line and circle features have been measured to enable a Geometric PLP
(plane line point) alignment.
Post process the session containing the alignment and run the resulting program on the CNC machine
tool.
Load the measured results from the component into Renishaw OMV (or Renishaw OMV Pro) using the
standard procedure.
10 Delta Transformation for Renishaw OMV and Renishaw OMV Pro
Publication no. H-5369-8505
Applying the part alignment
Ensure the open session of Renishaw OMV (or Renishaw OMV Pro) contains a measured part and an
active alignment.
Open Delta Transformation as described in “Accessing Delta Transformation” on page 9.
The ‘Delta Transformation’ application dialog will open and will list the alignments from the open
session.
Local Coordinate System
Values within the generated program can be relative to CAD coordinates or machine coordinates.
Select the appropriate coordinate system from the drop-down menu.
Reference Alignment1
This is the alignment which represents the measured workpiece position.
Use the drop-down menu to select the required alignment.
Reference Alignment2
This is the alignment that is to be used as the base alignment.
Use the drop-down menu to select the required alignment.
Export
To export the Delta Transformation as an NC program file that can then be run on the machine tool,
click on the ‘Export to NC code’ button
.
11Delta Transformation for Renishaw OMV and Renishaw OMV Pro
Publication no. H-5369-8505
In the resulting NC Program dialog, use the ‘Export to’ drop-down menu to select the machine tool
controller type and then click OK.
Select a location on the PC to save the generated NC program file to.
When run on the CNC machine tool, this file will update the NC control to use the alignment from the
Renishaw OMV (or Renishaw OMV Pro) session. Any NC programs executed subsequently on the
CNC machine tool will use this alignment.
NOTE: Users need to ensure that the NC machine program does not reset or clear the alignment, as
the NC cutting program may contain code to cancel or overwrite the Delta Transformation alignments.
12 Delta Transformation for Renishaw OMV and Renishaw OMV Pro
Publication no. H-5369-8505
PowerMILL
Output files can also be generated for use in Delcam’s PowerMILL application with the transformation
of each part exported to PowerMILL as a workplane.
This workplane is transformed around the world coordinate system, although it can also be
transformed relative to another workplane if one exists and is active.
Open PowerMILL.
In the Export section of the Delta Transformation dialog click on the ‘Export to PowerMILL as a
workplane’ button
.
The world coordinate system is displayed on the left of the PowerMILL window with the workplane
exported from Delta Transformation displayed on the right of the window.
Details of the transformation applied to the world coordinate system are displayed in the ‘Information’
dialog.
Workplane
exported
from Delta
Transformation
World
coordinate
system
Export to File
Delta Transformation can be output as a matrix (.mat) or IGES (.igs) file. These can be subsequently
imported into third party CAD systems.
In Delta Transformation click on the ‘Export to file’ button
. Give the Delta Transformation a name of
your choice and then click on ‘The transformation is to be saved as’.
This file can then be imported into a CAD package.
13Delta Transformation for Renishaw OMV and Renishaw OMV Pro
Publication no. H-5369-8505
Language
Delta Transformation is available in every language that is supported by Renishaw OMV and Renishaw
OMV Pro and will run in the same language that the main application is set to operate in.
To change the operating language of Renishaw OMV (or Renishaw OMV Pro) close any open
sessions of the application and select Edit > Language from the menu bar.
This will open the ‘List of all available languages’ dialog.
Select the required language and click OK.
The operating language of the application will be changed immediately: it will not be necessary to
restart the application.
Compatibility
At present, Delta Transformation is compatible with the following CNC controllers:
• Fanuc 0i and 31i
• Fidia C20
• Heidenhain
• Mazak
• Siemens
Please contact your local Renishaw distributor if your controller type is not currently supported.
NOTE: The templates supplied within the application provide one method of aligning a component. As
each controller can have several methods, Delta Transformation can be configured to suit individual
requirements.
Renishaw plc
New Mills, Wotton-under-Edge
Gloucestershire, GL12 8JR
United Kingdom
T +44 (0) 1453 524524
F +44 (0) 1453 524901
E uk@renishaw.com
www.renishaw.com
*H-5369-8505-01*
For worldwide contact details,
visit www.renishaw.com/contact
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