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
PH20 motorised probe head
PH20 is a dynamic measuring probe head which delivers a 3-fold increase in measurement throughput whilst maintaining high system accuracy.
Utilising technology developed for the multi-award winning REVO® measurement system, the new PH20 probe head offers unique ‘head touches’ for rapid touch-trigger measurement, and fast infinite 5-axis positioning to guarantee optimal feature access. Unlike conventional touch trigger measurement methods which rely on speeding up the motion of the CMM’s 3 axes to measure quickly, PH20 uses head motion to minimise the dynamic errors of the CMM at higher measurement speeds. Its compact design makes it suitable for new CMM purchases, and as a retrofit to the vast majority of existing CMM touch-trigger installations.
PH20 incorporates the industry standard TP20 touch-trigger probe, affording immediate access to a range of proven probe modules and a wide selection of trigger forces, directional sensing options and extensions to meet application requirements. The detachable modules provide crash protection and can be automatically changed using the MCR20 change rack. Current users of TP20 systems will be able to upgrade to PH20 and utilise their existing modules*.
The PH20 probe head offers dramatic time savings with a unique rapid ‘inferred calibration’ technique which determines head orientation and probe position in a single operation, allowing subsequent measurement at any head angle. The system’s design requires no air supply, and it can be mounted to the CMM quill either directly or via a shank using a range of mounting adaptors.
Key features
Compact design – suitable for a wide range of CMMs using shank or quill mounting.
Renishaw CMM controller – I++DME communication; wide selection of metrology software.
Index head compatibility – no requirement to modify existing programs in the majority of cases. Integral TP20 probe – allows re-use of existing equipment.
Innovations
Rapid head touches – where the CMM is stationary and the head moves and takes a touch point.
Rapid 5 axis moves – synchronised motion of the head and CMM between measurements.
Inferred calibration – determines head orientation and probe position in a single operation, allowing subsequent measurement at any head angle.
* Excepting the extended force module
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