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Condition:
Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully
Country of Manufacture: UNITED KINGDOM
Brand: RENISHAW
Model: MH8 TP20
MPN: A-1332-0002 A-1371-0290
Preowned Renishaw MH8 Manually Indexible Probe Head with TP20 Touch Probe Fully Tested with 90 day Warranty.
This Renishaw MH8 and TP20 have been fully tested and meet Renishaw's original specifications.
Renishaw's current retail price for this probe head and TP20 is $6385.00
The MH8 is a manual indexing probe head with an M8 thread probe
connection designed for use on small manual CMMs.
The MH8 can carry any of Renishaw's M8 probes and the reach can be extended by a
50 mm probe extension bar.
| Specification | |
|---|---|
| Weight | 205 g |
| Probe mounting | M8 thread |
| Head mounting | MS range of shanks |
| Suitable interface | PI 4-2, PI 200 |
| Probe status indication | 1 LED |
| Cable connection | 5 pin DIN 180º socket |
| A-axis indexing | 0° to 90° in 15° repeatable steps = 7 positions |
| B-axis indexing | ±180° in 15° repeatable steps = 24 positions |
| Repeatability of position (2s) | 1.5 µm (0.00006 in) TP2 and 10 mm (0.39 in) stylus fitted |
| Maximum extension bar | 50 mm (1.97 in) PEL1 only |
The MH8 can carry any of Renishaw's M8 probes and the reach can be extended by fitting
a 50 mm probe extension bar.
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.
The system components are:
| Sense directions | All modules except 6W 6W | ±X, ±Y, +Z ±X, ±Y, ±Z |
| Suitable interface | PI4-2, PI7-2, PI200, UCC | |
| 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) ±0.80 µm (± 0.000032 in) |
| Repeatability of stylus changing | MCR20 Manual | ±0.50 µm (± 0.000020 in) ±1.00µm (± 0.000040 in) |
| Stylus range | M2 | |
| Mounting method | M8 thread |
A range of seven, application specific, probe modules is available and are identified by coloured caps.
| 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 - 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 - 30 mm |
| MF - Medium force | 
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