Computerized Spring Industries LLC Bristol, Connecticut USA 

   Torsion Spring RFQ   
 

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Mandatory Specifications
(fill in only those required)

1. To work over in. (mm) dia. shaft.

2. OUTSIDE DIAMETER

in. (mm) +/- in. (mm)

3. INSIDE DIAMETER

in. (mm) +/- in. (mm)
 

4. Torque lb. / in. (N/mm) +/- lb./in. (N/mm) at O1= degrees
Torque lb./in. (N/mm) +/- lb./in. (N/mm) at O2= degrees

5. Length of space available in. (mm)

6. Maximum wound position turns or
degrees from free position.

7. Length of moment arm (R) in. (mm)

8. Direction of helix (L, R, or optional)

9. Type of ends



Advisory Data

1. Wire diameter in. (mm)
2. Mean coil diameter in. (mm)
3. No. of coils

4. Rate lb./in. (N/mm) per turn (360 degrees)
5. OF= degrees free angle reference



Special Information

1. Type of material
2. Finish
3. Frequency of rotation, cycles/sec, and
working range, O= degrees to O= degrees deflection.
4. Operating temp. degrees F (degrees C)
5. End use or application

6.

Other

From design through prototype to production . . .
 CSI provides solutions.

ISO 9001:2000 Certified

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