The Breakroom > Resources

torsion springs, extension springs, compression springs, and finishing info

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PTsideshow:
 Here is information on making other kinds of springs that members on this board may find useful

Bernd:
I'd like to add to Glenn's resources of spring makeing.

Brownell's Gunsmith Kinks book I and book II has spring making info in them.

These books may be gun related and not your cup of tea but they do contain many tips for the home shop machinist.

Bernd

PTsideshow:
They also have a dvd on making flat springs that is also worth the money,it is for a gun part. But I have used it for other things. Brownell's  catalog and website has a lot of great stuff for the home shop person whether you are into firearms or not.
I will second his suggestion about them.

PlanetSpring:
Here are some calculators as well, that may help in the design process:

Compression Spring Calculator

Extension Spring Calculator

Torsion Spring Calculator

Springs are my thing!  :smart:

Lew_Merrick_PE:
Planet Spring,

Your links are munged.  Try:

Compression Spring Calculator (http://www.planetspring.com/pages/compression-spring-calculator-coil-calculator.php)
Extension Spring Calculator (http://www.planetspring.com/pages/extension-spring-calculator-extension-spring-calculation.php)
Torsion Spring Calculator (http://www.planetspring.com/pages/torsion-spring-calculator-torsion-spring-calculation.php)

Also, when I did a quick check of compression springs, (A) you listed the spring constant (k) in psi rather than lb/in and (B) you list a "maximum possible load" (in lb/in rather than lb) that would compress the spring to solid height (not a good thing) rather than the normally recommended "maximum allowable load."  My copy of the Spring Design Handbook is packed away or I would provide the nominal compensation values for maximum allowable loads.

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