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Since 1958
Helical Products Company, Inc.

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We manufacture single piece Flexible CouplingsU-Joints, Machined Springs, and Power Transmission Couplings utilizing HELI-CAL® Flexure technology

 

 

 

 

 

 

FLEXURE FACTS

Solved Application Story #79

AEROSPACE AND AVIATION - AIRCRAFT 


THE CHALLENGE 

While providing a product orientation to a company's group of design engineers, a question was asked, "Would Helical be able to retro-fit a spring now being used as a buffer spring in a fuel control system? The unit should compress and extend .100 of an inch." 


THE SOLUTION 

After preliminary discussion between the customer and our application engineer, a sketch of our concept was forwarded to be reviewed. A few minor changes were needed. Material was a concern to be resolved before the final configuration was proposed. Two samples were sent to verify the installation and spring rate. There were a considerable number of conversations between the engineers regarding which material to use -17-7 PH, Inconel, 17-4 PH, 15-5 PH. Material is an important aspect as it may affect performance of the machine spring. Complete life testing was done by our customer as well as their customer. Solving this project led to several other spring applications of the same configurations, but with varying spring rates.   


THE ANSWER 
  
HELI-CAL
® Flexure Machine Spring # 2329 
  

  

 

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901 W. McCoy Lane · P.O. Box 1069 · Santa Maria, CA 93456-1069
Phone: 805-928-3851 · Fax: 805-928-2369
 
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