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Ref. 1
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Torsion Springs
Helical springs used to apply torque are called torsion springs, and can be made either single body or double body. Energy is stored due to twisting of the bar. They are typically manufactured using round wire. The particular design of the spring end is primarily for the purpose of transmitting external torque to the spring.
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Torsion arms can be various lengths & configurations.
Ref. 2
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Extension Springs
Extension spring designs generally follow that of compression springs, however consideration must be given to the effects of the end turns. A wide variety of shapes of end turns are used in the manufac-ture of extension springs, depending upon the use of the spring. It is advisable to avoid sharp bends in the end hooks, to reduce stress concentration.
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Extension springs with hook ends. Ref.3
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Wire Forms
Spring wire can be shaped into an endless variety of configurations. There uses can include handles, clips, pull tabs, fasteners, and many more uses. The same equipment used in the formation of springs can be used to bend and form wire into a useable element for your assembly. Design possiblities are endless, and our team can help determine which configuration is right for your assembly.
Ref. 1 "ENGINEERING" : Helical Spring. N.p., n.d. Web. 01 Aug. 2012.
http://engg-learning.blogspot.com/2011/03/helical-spring.html.
Ref. 2 "Regulatory Mechanics - Final Report." Regulatory Mechanics - Final
Report. N.p., n.d. Web. 01 Aug. 2012.
<http://helix.gatech.edu/Classes/ME4182/2000S1/Webs/reg_mech/final_report.html>.
Ref. 3 Misumi-ec.com. N.p., n.d. Web. 1 Aug. 2012.
http://engg-learning.blogspot.com/2011/03/helical-spring.html.
Ref. 2 "Regulatory Mechanics - Final Report." Regulatory Mechanics - Final
Report. N.p., n.d. Web. 01 Aug. 2012.
<http://helix.gatech.edu/Classes/ME4182/2000S1/Webs/reg_mech/final_report.html>.
Ref. 3 Misumi-ec.com. N.p., n.d. Web. 1 Aug. 2012.
