Question by Alhussein: What are the important parts in a plastic injection machine?
I am about to buy a plastic injection machine for pipe fittining products

Best answer:

Answer by alpha b
*It is a full of hydraulics.And having numerous parts.

Some of the parts:

Hopper
Mould
Heater
Barrel
Reciprocating screw which is driven by a hydraulic motor which feeds the molten plastic in to the mould.
Injection nozzle.
High-Precision and high pressure pumps like gear and vane and piston pumps.
Pressure intensifier and accumulator.
Multi-port directional control valves and limit switches.
Lot of electrical like motor,switches,panel board and lot more.

http://en.wikipedia.org/wiki/Injection_molding

http://www.rutlandplastics.co.uk/images/moulding%20machine%20lg.jpg

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