Major Selection Criteria: Complex Shape

Top and bottom sensor plate – dollar bill changer

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A dollar bill changer incorporated top and bottom sensor plates fabricated from welded stamped components. The weldments could not hold tolerances greater than +/- 0.020 in. In an effort to resolve dimensional instability and fit problems, the manufacturer, working...

Toothed Wheel

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This toothed wheel consists of two parts which are assembled with cast-in spigots and bolts in special steel. The parts are made in zinc alloy ZA-27, and apart from trimming, receive no machining or other finishing operations. The part is produced in two sizes, the...

Threaded Connector, Moss Joiner

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A cylindrical zinc pressure diecast component with an internally die cast thread. The function is to tighten the fitting on to the hose. Zinc Alloy No. 3 was chosen because of its stiffness and bright finish which is unaffected by ultra violet light. Special...

Slave Lock Mechanism

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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 the purpose. Initially a hybrid construction was considered, using...

Regulator

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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...