PH20 5-AXIS INFINITE POSITIONING MOTORIZED PROBE

Key features
Compact design – suitable for a wide range of CMM sizes.
Renishaw CMM controller – I++DME interoperability communication.
Index head compatibility – possibility to emulate older PH10 for some existing programs.
Integral TP20 probe – allows re-use of existing TP20 modules.

Innovations
Rapid head touches – where the CMM is stationary and the head moves and takes a touch point.
Rapid 5 axis moves – synchronized 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.

Requirements
PH20 Systems will have the Renishaw UCCT5 Controller, SPA3 Servo Power Amplifier, PSU Power Supply Unit, MCUlite-2 Joystick, Tachmotors and CMM Manager Standard CAD Software System.

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PH20 is a dynamic measuring probe head that delivers a 3-fold increase in measurement throughput while maintaining high system accuracy.

The 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 minimize the dynamic errors of the CMM at higher measurement speeds. Its compact design makes it suitable for large to small CMMs, even down to our Phoenix 216-142, with 16" x 20" x 14" travels.

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 TCR20 and MCR20 change racks. Current users of TP20 systems will be able to upgrade to PH20 and utilize 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 without recalibrating. The PH20 is a highly accurate mechanical design and does not need compressed air for operation.

Technical Specifications

 
Dimension A
Module force
mm
inch
Standard
21
0.83
Medium
21
0.83
Low
21
0.83
6-way
25
0.98
EM1
71
2.79
EM2
96
3.78
NOTE: The TP20 Extended Force (EF) modules are not recommended for PH20.
Weight (excluding module and cables) 810 g (28.6 oz)
810 g (28.6 oz)
Temperature range Operating Storage
15 °C to 35 °C (59 °F to 95 °F) - 25 °C to 70 °C (-13 °F to 158 °F)
Maximum movement speed
3 revs/s (1281 mm/s with standard module & 10 mm stylus)
Maximum head touch speed
50 mm/s
Rotation angles A axis B axis
-115° to 115° ∞
Angular resolution
0.4 μRadians
Bearings
Mechanical
Change rack system
MCR20 NI and MCR20
Joystick
Multifunction MCUlite-2
ISO 10360-5 (2001) typical performance std force module with 12 x 4 mm stylus on a CMM with ISO 10360-2 (2002) specification of 0.48+ L/1000* * specified with a TP7 Size Form Location
CMM TOUCH 0.0006 mm (0.00002 in) 0.0026 mm (0.00010 in) 0.0013 mm (0.00005 in)
HEAD TOUCH 0.0002 mm (0.00001 in) 0.0024 mm (0.00009 in) 0.0009 mm (0.00003 in)