TP20 Probe
| Module | Application guide | Maximum extension on PH10 series head | Weight (body and module) |
|---|---|---|---|
| LF | The low force stylus module, identified by a green cap, is suited to applications that require low trigger force, e.g. rubber seals. | 300 mm (11.81 in) | 22 g (0.78 oz) |
|
SF EM1 EM2 |
The standard force stylus modules, identified by black caps, are suited to the majority of applications. |
300 mm (11.81 in) 300 mm (11.81 in)* 300 mm (11.81 in)* |
22 g (0.78 oz) 28 g (0.99 oz) 30 g (1.06 oz) |
| MF | The medium force stylus module, identified by a grey cap, is for use where a higher trigger force than standard is required. | 300 mm (11.81 in) | 22 g (0.78 oz) |
| EF | The extended force stylus module is identified by a brown cap. Typically, this stylus module will only be required with large stylus assemblies, and where spurious ‘air' triggers caused by machine vibration and acceleration, preclude the use of either SF, LF or MF modules. | 300 mm (11.81 in) | 22 g (0.78 oz) |
| 6W | The 6-way stylus module, identified by a blue cap, has been designed for applications requiring measurement in the –Z direction, for example when measuring the width of undercuts. | 300 mm (11.81 in) | 22 g (0.78 oz) |
* NOTE: Dependant on CMM used and operating conditions.
|
Module type and test stylus length |
Trigger force XY** |
Trigger force Z |
Overtravel force XY |
Overtravel force +Z |
Overtravel force -Z |
Overtravel displacement XY |
Overtravel displacement +Z |
Overtravel displacement ‑Z |
|---|---|---|---|---|---|---|---|---|
|
LF 10 mm |
0.055 N |
0.65 N |
0.09 N |
1.15 N |
- |
±14° |
3.1 mm |
- |
|
SF 10 mm |
0.08 N |
0.75 N |
0.2 N to |
3.5 N |
- |
±14° |
4 mm |
- |
|
MF 25 mm |
0.10 N |
1.9 N |
0.2 N to |
7 N |
- |
±14° |
3.7 mm |
- |
|
EF 50 mm |
0.10 N |
3.2 N |
0.2 N to |
10 N |
- |
±14° |
2.4 mm |
- |
|
6W 10 mm |
0.14 N |
1.60 N |
0.25 N |
2.5 N |
9 N |
±14° |
4.5 mm |
1.5 mm |
** Low force direction
Above data applies for test conditions as follows: Stylus length as stated above. Stylus velocity 480 mm/min (1.57 ft/min).
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. The stylus mounting thread accepts styli from the Renishaw M2 range.
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