Major Selection Criteria: Mechanical Properties
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The initial design brief for the slave lock was that it had to have suitable mechanical properties to meet security door standards, have minimum design complexity, and use the most logical material for its purpose. Initially a hybrid construction was considered, using...
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Originally, safety belt retractor housings were plastic injection molded. The plastic housings were easily damaged and caused retraction to malfunction. To meet performance standards, zinc die casting was selected to produce the housing and meet performance and...
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When the AKZO Salt Company had problems getting roof-bolt wedge anchors from its malleable-iron foundry supplier, it opened the door for zinc alloy. Mine management set out to find an alternative source for these vital parts, but they were unable to find another...
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The regulator for Turner’s self-igniting torch has a design criteria specifying pressure tightness, strength, cleanliness and metal-chip free, net shape, and cost-effective manufacturing. A screw-machined aluminium or brass regulator was first considered, but both...
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Zinc’s excellent bearing properties at high loads and low speeds permitted it to be used for this part without the use of pressed-in bronze bearings, reducing cost. The required dimensional precision and high required strengths also made zinc die casting the preferred...
