RSP3 cranked stylus carrying capability for typical stylus combinations

Each RSP3 probe has been optimised for maximum flexibility and sensor performance over a specific stylus range and with different crank carrying capabilities in mind.

Please refer to Renishaw's stylus catalogue for full details of cranked and star stylus configurations that are available.  It is recommended that a 'one piece' star stylus is used wherever possible to help minimise mass.  However, greater flexibility is possible by configuring a star centre together with one or more cranked styli.  Users must be sure that the overall mass of the star centre together with its multiple cranked styli does not exceeded the recommendations found in the table below.

Straight 'down' styli can be added to RSH3-1 / 2 / 3 / 4 stylus holders below the crank centre to continue the projection 'down' from the stylus holder, providing that the maximum overall stylus length and mass for that stylus holder is not exceeded.

The table below provides user information for building typical RSP3 stylus and crank combinations:

Probe / stylus holder'Crank down' distance using an extension between the stylus holder and the crank centre3D scanning maximum 'crank out' distance when measured to tip of crank (star) stylus2D scanning and point taking maximum 'crank out' distance when measured to tip of crank (star) stylusMaximum 'down' stylus ('effective stylus reach' - see straight styli)Maximum permissible mass of crank (star) centre plus all styli

Maximum operating stylus tip deflection for above in any orientation

RSP3-1/ RSH3-1

25 mm*

28 mm

58 mm

50 mm

9 g***

0.4 mm

RSP3-1/ RSH3-1

55 mm*

28 mm

58 mm

50 mm

9 g****

0.4 mm

RSP3-2/ RSH3-2

49 mm*

28 mm

83 mm

99 mm

6 g***

0.4 mm

RSP3-2/ RSH3-2

79 mm*

28 mm

83 mm

99 mm

7 g****

0.4 mm

RSP3-3/ RSH3-3

99 mm**

58 mm

83 mm

194 mm

12 g

0.4 mm

RSP3-3/ RSH3-3

119 mm

58 mm

83 mm

194 mm

11 g***

0.4 mm

RSP3-3/ RSH3-3

149 mm

58 mm

83 mm

194 mm

10 g****

0.4 mm

RSP3-4/ RSH3-4

199 mm**

58 mm

83 mm

394 mm

11 g

0.4 mm

RSP3-4/ RSH3-4

219 mm

58 mm

83 mm

394 mm

10 g***

0.4 mm

RSP3-4/ RSH3-4

249 mm

58 mm

83 mm

394 mm

8 g****

0.4 mm

RSP3-6/ RSH3-6c-500

348 mm

n/a

50 mm

348 mm

8 g

0.4 mm

RSP3-6/ RSH3-6c-600

448 mm

n/a

50 mm

448 mm

4.6 g

0.4 mm

*A 20 mm or longer (M3) extension must be used between the RSH3-1 / RSH3-2 and the crank centre to give the correct 'crank down' distance
**The crank centre may be mounted directly to the RSH3-3 / RSH3-4 or to an (M3) extension
***This excludes the mass of the 20 mm extension
****This excludes the mass of the 50 mm extension
*****This includes the crank down extension mass
Probe / stylus holder

'Crank down' distance using an extension between the stylus holder and crank centre

(by using this extension length)

Maximum permissible crank stylus length (3D scanning)Maximum permissible crank stylus length (2D scan / point taking)Maximum effective stylus reach (straight stylus)Maximum permissible mass of stylus centre plus all styli

Maximum operating stylus tip deflection in any orientation

RSP3-1 / RSH3-1

25 mm* (20 mm)

21 mm50 mm50 mm9 g***0.4 mm
RSP3-1 / RSH3-1

55 mm* (50 mm)

21 mm50 mm50 mm9 g****0.4 mm
RSP3-2 / RSH3-2

49 mm* (20 mm)

21 mm75 mm99 mm6 g***0.4 mm
RSP3-2 / RSH3-2

79 mm* (50 mm)

21 mm75 mm99 mm7 g****0.4 mm
RSP3-3 / RSH3-3

99 mm** (n/a)

50 mm75 mm194 mm12 g0.4 mm
RSP3-3 / RSH3-3

119 mm (20 mm)

50 mm75 mm194 mm11 g***0.4 mm
RSP3-3 / RSH3-3

149 mm (50 mm)

50 mm75 mm194 mm10 g****0.4 mm
RSP3-4 / RSH3-4

199 mm** (n/a)

50 mm75 mm394 mm11 g0.4 mm
RSP3-4 / RSH3-4

219 mm (20 mm)

50 mm75 mm394 mm10 g***0.4 mm
RSP3-4 / RSH3-4

249 mm (50 mm)

50 mm75 mm394 mm8 g****0.4 mm
RSP3-6 / RSH3-6c-500

348 mm (n/a)

n/a 50 mm348 mm8 g0.4 mm
RSP3-6 / RSH3-6c-600

448 mm (n/a)

n/a 50 mm448 mm4.6 g 0.4 mm
RSP3-6 / RSH3-6-600

n/a

n/a n/a466 mmn/a n/a
RSP3-6 / RSH3-6-700

n/a

n/a n/a566 mmn/a n/a
RSP3-6 / RSH3-6-800

n/a

n/a n/a666 mmn/a n/a
*A 20 mm or longer (M3) extension must be used between the RSH3-1 / RSH3-2 and the crank centre to give the correct 'crank down' distance
**The crank centre may be mounted directly to the RSH3-3 / RSH3-4 or to an (M3) extension
***This excludes the mass of the 20 mm extension
****This excludes the mass of the 50 mm extension
*****This includes the crank down extension mass