Plastic injection molding machine
, also called plastic injection moulding machine or plastic injection machine.
It is the thermoplastic or thermosetting material using plastic molding mold made into various shapes of plastic products mainly molding equipment.
Divided into vertical, horizontal, full battery.
Made of melted plastic injection molding function heating plastic, under pressure, injection and make it full of mold cavity.
Horizontal injection molding machine bring vertical injection molding machine bring about plastic injection molding machine working principle and operation of plastic injection molding machine is using screw (
The thrust, will has good plasticizing molten state (
The viscous flow state)
Plastic injection into the closed good cavity, after curing finalize the design the product process.
Injection molding is a process of circulation, quantitative feeding each cycle mainly includes: -
The molten plasticizing -
Pressure injection -
Molding cooling -
After take out the plastic mold closing again, for the next cycle.
Lock clamping: die gets close to the fixed die pull, pull quickly and confirm without the presence of foreign bodies, system to high pressure, lock sample.
Shot forward in place: shoot stage into the specified location.
Plastic injection molding, screw can be set with multistage speed, pressure and stroke, the soluble material with cylinder front-end injection mold cavity.
Set according to a variety of cooling and pressure, pressure and time, keep the cylinder pressure, cooling molding cavity at the same time.
Cooling and prediction model: mold cavity products continue to cooling, at the same time hydraulic motor drive screw rotation to push before plastic particles, screw back under the set back pressure control, when the screw back to the desired location, stop rotating screw, injection oil cylinder according to the set out, is expected to end.
After the shot back: piasticising, shot back into position.
Open die, die pull back to the in situ.
Top: thimble ejection products.
Injection molding method has the advantage of production speed, high efficiency, can realize automation operation, breed of design and color is much, can shape by Jane to numerous, can from big to small size, and precise in dimension and product upgrading, can into complex shape parts, injection molding is suitable for mass production with complex shape product and processing field.
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