Asked by hewhomustbenamed82
In modern injection molding units, why is a reciprocating screw used instead of a plunger? Give 3 reasons how this advantage is achieved.
Answers
Answered by
bobpursley
The most significant advantage of the reciprocating screw over the plunger was the screw's improved ability to heat and mix the resin. ... For the first time, screw plasticating delivered a homogenous melt with close temperature control and uniform viscosity, resulting in up to 50% faster production rates than plungers.
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