Injection Moulding Machines South Africa By USERVE
Plastic Injection Moulding Machine. Injection – Resin pellets are transferred to a motor-driven, reciprocating screw feeder via a hopper. The screw feeder chamber (called the barrel) is enclosed by a heating element and it is this, in combination with the shear action of the screw that heats the resin and causes it to become molten.
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