Argonics solves problem for Double L Global
The June issue of Potato Grower magazine features an article about how Argonics’ polyurethane solved a problem for Double L Global:
To create a more aesthetic and streamlined part, Withers inquired as to whether the performance requirements of the torsion spring could be achieved by making the entire part from polyurethane. In order to achieve the desired spring performance, Withers felt the two design variables he could use were the cross-sectional area of the part and the durometer of the urethane. Initially, Withers measured the metal spring’s spring rate in an attempt to match performance requirements. He then developed a design with a specifically calculated cross-section.
Argonics delivered four different polyurethane prototypes. Double L then physically tested the prototypes by seeing how much force it took to bend each and how far it would deflect. After a few iterations, the correct durometer and cross-section were identified, and the urethane part went into production. Now, there is no metal spring; it’s all one piece.
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