Tuesday 31st October 2023

Spring machined from solid material

For engineers who are well-acquainted with the conventional wound spring design, Abssac introduces a fresh perspective on reliability, performance, and attachment through the utilization of machined springs. While wire wound springs undoubtedly find their place in various applications, the inherent manufacturing constraints they carry can sometimes limit their dependability and effectiveness in more demanding scenarios or high-duty cycle applications. Enter machined springs—an innovative approach that proves to be even more versatile than one might initially anticipate.

Like their wire wound counterparts, machined springs are available in a variety of formats including compression, extension, torsion, lateral translation, and lateral bending springs. However, the similarities largely cease at this point.

Machined springs offer the advantage of highly precise, linear deflection rates due to the virtual elimination of residual stresses. Consequently, there are no internal tensions to overcome before deflection occurs, a situation that can arise with wire wound springs. Furthermore, we offer multiple start spring coil configurations. The standard single start spring configuration consists of a continuous coil element that initiates at one end and concludes at the other, much akin to its wire wound equivalent. A double start spring, on the other hand, incorporates two intertwined continuous coil elements. Essentially, this arrangement places two independent helices within the same cylindrical plane. More complex configurations like triple start flexures extend from this concept.

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