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Redesigned Music Wire Springs for an Automotive Sub-Assembly Redesigned Music Wire
Extension Spring for the
Automotive Industry
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an Automotive EGR Valve
ISO/TS 16949 & 14001Certified

Redesigned Music Wire Extension Spring for the Automotive Industry

Automotive Music Wire Extension Spring
Automotive Music Wire Extension Spring

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To solve the problem of breaking extension hooks, Maverick Spring Makers Limited redesigned the Music Wire Extension Spring. The initial design featured a hook radius that was equivalent to the body radius, which resulted in excessive bending stresses in the hook when it was at full deflection, and ultimately premature hook failure. To redesign the Extension Spring, Maverick Spring Makers created a smaller hook radius to reduce bending stress and to eliminate premature fatigue failure. The reduced hook radius still fit easily into the assembly. For more details about this project or to learn about our other services, please contact Maverick Spring Makers.

Specifications

Product Name   Redesigned Music Wire Extension Spring for the Automotive Industry
Wire   0.059" Music Wire
Outside Diameter, body   0.862" +/- 0.005"
Outside Diameter, hooks   0.455", +/- 0.005"
Total Coils   36.75 +/- 30 degrees
Free Length, Inside Hooks   4.625", +/- 0.032"
Production Speed   > 400 per hour
Heat Treatment   500 degrees F, 20 minutes, inline conveyor belt oven
Packaging   Bulk pack in recyclable containers to customer requirements
End Use   Automotive Seat Adjustment Mechanism
Shipped to   Ontario, Canada

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Maverick Spring Makers Limited | Compression Extension Torsion