Spring Manufacturing Corporation

	Specification Form
You can also download a PDF version of the Compression Spring Specification Form below:
PDF Form
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Torsion Springs

Torsion Springs — Specification Form

The following form will send us your engineering information. Please try and be as complete as possible. If you have any questions, please feel free to call us at 978.658.7396 or visit our contact page.

Contact Information:
Your Name	(first and last)
Address
City
State	(two characters only)
Zip	(zip + 4)
Country
Phone	e.g. 978-658-7396
Fax	e.g. 978-658-7396
Email Address

Design Information:

1. to work over	in. (mm) diameter shaft
2. outside diameter
a.	in. (mm) max. or
b.	in. (mm) max. or ± in. (mm)
3. inside diameter
a.	in. (mm) max. or
b.	in. (mm) max. or ± in. (mm)
4. torque	lb.-in. (N-mm) ± lb.-in. (N-mm) at °
	lb.-in. (N-mm) ± lb.-in. (N-mm) at °
5. length of space available	in. (mm)
6. maximum wound position	turns or ° from free position
7. length of moment arm (R)	in. (mm)
8. direction of helix	(indicate L, R or OPT)
6. type of ends	(see illustrations below)


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°)
5. ØF =	° free angle reference

Special Information
1. type of material
2. finish
3. frequency of rotation	cycles/sec. and working range
	Ø = ° to Ø = ° deflection
4. operating temperature	° F (°C)
6. end use or application
7. other comments
	indicates required information

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