Overview


RAD Collet Robotic Grippers

RAD’s Pneumatic Collet Grippers are designed for the precise picking and placing of parts by robots that are uniform in size.


A precision collet is enclosed in a housing that is tapered to conform to the outside diameter of the collet. The collet is linked to a double-acting piston and as the piston actuates, the collet is forced to either “open & extend” or “close & retract.”

Note: Collet Grippers are best suited for applications where production parts have tight tolerances since collets are precisely manufactured for a particular part dimension.

ASSUMPTIONS Used to Determine Maximum Payload:

  • System Pressure = 100 psi (6.9 bar)
  • Maximum Acceleration/Deceleration = 1G – 386 in/s2 (9.8 m/s2)
  • Part Friction (µ) = 0.25

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First choose your specification preferance, English or Metric, then click the headings to sort by the various columns.

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Metric Specifications / English Specifications

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Model Number

Collet
Series

Collet
Type

Collet Size
I.D.

Collet Size
O.D.

Maximum
Payload
Select by Payload (Encompassing Grip) - 2-Jaw - Parallel Grippers - RAD Robotic Accessories

More Information

3 Jaw Grippers - Parallel Grippers - RAD Robotic Accessories Leader

C-8500

1C

Standard

0.25 to 6.35 mm

N/A

5.0 kg

3 Jaw Grippers - Parallel Grippers - RAD Robotic Accessories Leader

C-8600

3C

Standard

0.25 to 12.70 mm

N/A

15.1 kg

3 Jaw Grippers - Parallel Grippers - RAD Robotic Accessories Leader

C-8700

5C

Standard

0.25 to 26.97 mm

N/A

18.3 kg

3 Jaw Grippers - Parallel Grippers - RAD Robotic Accessories Leader

C-8800

5C

Standard
or
Expanding O.D.

0.25 to 26.97 mm

3.18 to 38.10 mm

147.5 kg


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