五轴系统-Precision measurement and process control

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Precision measurement and process control

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五轴系统
5-axis systems

Unlike conventional CMM measurement methods, Renishaw's 5-axis technology uses synchronised motion of the CMM and the head axes to minimise machine's dynamic errors at ultra‑high measuring speeds.

Multi-sensor 5-axis measurement system

The REVO system uses synchronised motion and 5-axis measurement technology to minimise the dynamic effects

of CMM motion at ultra high measurement speeds.

This is achieved by letting the REVO-2 head do the fast demanding motion while the CMM moves in a linear slow

fashion. The use of a flexible tip-sensing probe system further adds to the system's accuracy and flexibility.

The removable probe system, used in conjunction with a low cost changer, provides added system flexibility.

REVO-2 probe options

RSP2

RSP2 is a dedicated lightweight tip-sensing probe for use on REVO systems, capable

of 2D-scanning (x, y) and 3D-touch trigger measurement

RSP3

The RSP3 range complements the RSP2 probe, providing the REVO system with

3D-scanning (x,y,z) and crank stylus capabilities. It is used for 3-axis scanning,

such as with a fixed REVO head angle during measurement.

SFP1

Makes surface finish inspection an integral part of CMM measurement procedure,

switching between scanning and surface finish as with other probe types

RSP3-6

The RSP3-6 provides enhanced capability for accessing deep bores and inspecting

features within large parts. It is available with a range of stylus holders for

applications requiring straight and cranked extensions and can be used for both

touch-trigger and 2D scanning applications.

RVP

The REVO-2 RVP probe adds non-contact inspection to the existing touch-trigger,

high-speed tactile scanning and surface finish measurement capability of the REVO

system allowing full inspection of parts unsuitable for tactile measurement.

Controller system

The 5-axis measurement technology is embedded in Renishaw's UCC S5 CMM controller which forms the basis of the

5-axis measurement system – 3 machine axes plus the 2 rotary axes of the head. Patented technology within the UCC S5

provides unique motion commands, synchronisation and 5-axis metrology capability.

In order to achieve the high scanning speeds it is essential the 5-axis measurement system has a fully integrated

control loop. This is achieved using Renishaw's UCC S5 and SPA3 system.

More information about controller systems.

The REVO system change rack is designed to allow automatic probe and stylus holder changing on a CMM.

The primary purpose of the system is to improve flexibility with the ability to use and store longer styli

and large star stylus configurations.

For optimum metrology, REVO probes and stylus holders should be changed automatically using REVO change ports

(RCP TC-2 and RCP2) and a flexible change rack (FCR25). These ports are mounted on the modular rack system (MRS2).

More information about RCP TC-2 and RCP2.

Faster calibration

Calibration on traditional CMM systems consumes a considerable amount of time that could otherwise be used for

part measurement. Using a table mounted sphere, the simple and practical calibration technique for REVO-2 determines

the actual head and probe geometry, allowing measurement in any position from a single operation.

Where a CMM is used only for a single or limited number of parts, typically there may be 10 head orientations used.

Calibration time for these positions may take around 30 minutes. REVO-2 requires only 20 minutes.

If the CMM is used for multiple parts, typically there may be 40 head orientations, dramatically increasing the time

required for calibration to around two hours. Again, REVO-2 requires only 20 minutes.

As the calibration process is repeated on a regular basis, to comply with quality procedures or following a probe crash,

these time savings accumulate.

5-axis measurement techniques and applications

Renishaw's 5-axis high-speed, high-accuracy measurement techniques offer a wide range of benefits resulting

in significant throughput improvements.

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