Specifications (English)



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

Model

Collet
Series

Collet
Type

Height
Dimension
“A”

Base Diameter
Dimension
“B”

Nose Diameter
Dimension
“C”

Weight

C-8500

1C

Standard

2.85 in

2.13 in

0.75 in

0.39 lb

C-8600

3C

Standard

4.19 in

3.75 in

1.25 in

0.92 lb

C-8700

5C

Standard

5.13 in

3.75 in

2.00 in

1.86 lb

*C-8700-S

5C

Standard

5.38 in

3.75 in

2.00 in

1.92 lb

C-8800

5C

Standard
or
Expanding O.D.

5.62 in

5.00 in

2.00 in

5.14 lb

*C-8800-S

5C

Standard
or
Expanding O.D.

5.87 in

5.00 in

2.00 in

5.46 lb

Weight listed does not include collet.

 

* Sensors are available for RAD’s 5C Collet Gripper models. The sensor option requires a magnetic piston cylinder which slightly increases the unit’s overall height and weight. These sensor models are marked with a “-S” suffix.

Model

Minimum
Operating
Pressure

Collet Size
I.D.

Collet Size
O.D.

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

Pull-Out
Force
Select by Payload (Encompassing Grip) - 2-Jaw - Parallel Grippers - RAD Robotic Accessories

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

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

C-8500

45 psi

0.010 to 0.250 in

N/A

43.7 lbf

10.9 lbf

1.0 in-lb

10.9 lbs

C-8600

10 psi

0.010 to 0.500 in

N/A

133.2 lbf

33.3 lbf

6.2 in-lb

33.3 lbs

C-8700

30 psi

0.010 to 1.062 in

N/A

161.2 lbf

40.3 lbf

15.1 in-lb

40.3 lbs

C-8700-S

30 psi

0.010 to 1.062 in

N/A

161.2 lbf

40.3 lbf

15.1 in-lb

40.3 lbs

*C-8800

5 psi

0.010 to 1.062 in

0.125 to 1.500 in

1,300.9 lbf

325.2 lbf

122.0 in-lb

325.2 lbs

*C-8800-S

5 psi

0.010 to 1.062 in

0.125 to 1.500 in

1,300.9 lbf

325.2 lbf

122.0 in-lb

325.2 lbs

* For Internal Diameter (I.D.) gripping with the C-8800, using 5C Expanding Collets, please consult RAD for application guidelines and sizing.

Force and torque values listed above are based on testing performed using collets sized at approximately 75% maximum I.D.

Results will vary based on collet size, variations in air pressure, frictional coefficients, etc. In general, using larger sized collets will provide more grip force than smaller collets of the same series.


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