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Injection moulding machine, it is the thermoplastic or thermosetting plastic using plastic mould-
ing mould to make various shapes of plastic products of the main molding equipment. Divided
into vertical, horizontal, all-electric type. Injection moulding machine can heat up the plastic,
apply high pressure to the molten plastic, make it shoot out and fill the mould cavity.
The working principle of the injection moulding machine is to use the thrust of the screw (or
plunger) to inject the plasticised molten state (i.e. viscous flow state) of the plastic into the
closed mould cavity, and then obtain the product process after curing and shaping.
Injection moulding is a cyclic process, each cycle mainly includes: dosing - melting and
plasticising pressure injection - mould filling and cooling-opening the mould and taking
out the parts. After taking out the plastic parts and then close the mould for the next cycle.
Injection moulding machine operation project: injection moulding machine operation project
includes control keyboard operation, electrical control system operation and hydraulic system
operation in three aspects. Separately for the injection process action, feeding action, injection
pressure, injection speed, ejector type selection, barrel temperature monitoring of each section,
injection pressure and back pressure adjustment, etc.
Electrical control system and hydraulic system reasonable cooperation, can achieve the process
requirements of the injection machine (pressure, temperature, speed, time) and a variety of
procedures. Mainly composed of electrical appliances, electronic components, instruments,
heaters, sensors, etc.. Generally there are four kinds of control mode, manual, semi-automatic,
fully automatic, adjustment.
Siemens 3RP1574-1NP30 can be applied to Injection moulding machine, this well-known brand,
high quality product will be a good assistance for your machine and enhance productivity. Just
get touch with Vivi (sh_plc@163.com) to acquire this product!
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