Renishaw TP20 Touch-Trigger Probe

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The TP20 is a compact 5-way, or 6-way, kinematic touch-trigger probe system. The two-piece design, comprising probe body and detachable stylus module(s), connected using a highly repeatable magnetic kinematic coupling. This provides the facility to change stylus configurations either manually or automatically without the need for requalification of the stylus tips, thereby giving significant time savings in inspection routines.

Modules offering a range of trigger forces allow the probe performance to be best matched to the measurement task. A set of probe extensions is also available, as is a 6-way module. The stylus mounting thread accepts styli from the Renishaw M2 range.

The TP20 system is easily retrofitted and is compatible with existing touch-trigger probe interfaces, extensions and adaptors.

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A kinematic, module changing touch-trigger probe system for manual and DCC CMMs
Rapid exchange (manually or automatically) between stylus configurations without the need to re-calibrate
Direct replacement for TP2-5W probe
A choice of seven stylus modules, giving 5 or 6-axis operation, allow optimisation of probe and stylus performance for each application
Easily retrofitted to all Renishaw standard probe heads (M8 or autojoint) and compatible with existing TTP interfaces
Metrology performance equivalent to TP2-5W probe
Compatible with the full range of Renishaw probe heads and accessories

TP20 probe body
TP20 probe module - seven variants allow optimisation to suit application
MCR20 or TCR20 module changing rack - automatic operation
MSR1 module storage rack - manual operation
Suitable for interfacing with Renishaw's PI 7-3, PI 200-3 and UCC controllers

Module	Application	Trigger forces*	Stylus lengths
SF- Standard force	Suited to the majority of applications	XY: 0.08 N Z: 0.75 N Stylus: 10 mm	10 mm to 50 mm GF
LF- Low force	Low trigger forces applications - e.g. rubber seals	XY: 0.055 N Z: 0.65 N Stylus: 10 mm	10 mm to 30 mm
MF- Medium force	Where a higher trigger force than standard is required	XY: 0.1 N Z: 1.9 N Stylus: 25 mm	10 mm to 60 mm
EF- Extended force	Large stylus assemblies or where vibration causes spurious 'air' triggers	XY: 0.1 N Z: 3.2N Stylus: 50 mm	10 mm to 60 mm
6W- 6-way	Measurement in the –Z direction - e.g. undercuts	XY: 0.14 N Z: 1.6N Stylus: 10 mm	10 mm to 50 mm
EM1 STD- 50 mm extension	Majority of applications requiring a 50 mm extension	XY: 0.08 N Z: 0.75 N Stylus: 10 mm	10 mm to 50 mm
EM2 STD- 75 mm extension	Majority of applications requiring a 75 mm extension	XY: 0.08 N Z: 0.75 N Stylus: 10 mm	10 mm to 50 mm

Sense directions	All modules except 6W 6W	±X, ±Y, +Z ±X, ±Y, ±Z
Suitable interface		PI 7-3, PI 200-3, UCC controllers
Pre-travel variation	LF SF / EM1 / EM2 MF EF 6W	±0.60 µm (± 0.000023 in) ±0.80 µm (± 0.000032 in) ±1.00 µm (± 0.000039 in) ±2.00 µm (± 0.000079 in) ±1.50 µm (±0.000058 in)
Unidirectional repeatability	LF / SF / EM1 / EM2 MF EF 6W	±0.35 µm (± 0.000014 in) ±0.50 µm (± 0.000020 in) ±0.65 µm (± 0.000026 in) ±1.00 µm (± 0.0000395 in)
Repeatability of stylus changing	MCR20 Manual	±0.50 µm (± 0.000020 in) ±1.00 µm (± 0.000040 in)
Stylus range		M2
Mounting method		M8 thread