Casting Techniques: Pressure Die Casting

Check Valve

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Previously, the check valve was assembled from machined aluminium bar stock and brass pipe fittings. A net shape die casting was designed by consolidating the six-piece assembly into a single, net shape component. All holes and seven thread sets, including a male...

Chassis, Shield and Synthesizer Housing

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The Ericsson GE Mobile Communications’ M-PA personal radio incorporates three Zamak 3 die castings: the chassis or circuit board frame, the chassis shield, and the synthesizer housing. These castings combine to provide strength and rigidity demanded for...

Channel and T-shape

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This two-piece holder was developed for a precision scientific instrument. Both castings have detailed features requiring tolerances of +/-0.00025 in. Extrusion could not be used because it could not hold the tolerances, while CNC and wire EDM were not cost effective....

Capstan Retainer

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Precision and strength are important design considerations for the minicartridge tape drive, and the capstan retainer is a good example. This part is actually two separate components cast together–a Torx head screw with an integral retainer sleeve. To produce the...

Blackplate support pad for pin printer

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Modern printers require a pin support which must be cast pore free, non-deformable, and of precise dimensions. Because of the large numbers of units produced, the life of the die is a determining factor. From the client’s point of view, the sound dampening qualities...