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What is the difference between a extrusion blow molding machine and an injection molding machine?

Views: 1     Author: Huan Machinery     Publish Time: 2021-04-19      Origin: Huan Machinery

What is the difference between a extrusion blow molding machine and an injection molding machine?

difference

When an injection molding machine produces plastic parts, it needs a core and a cavity, that is, a convex mold and a concave mold together to make it alive; while the blow molding machine only needs a concave mold to produce the product. Blow molding machines are generally used to produce warning posts, plastic barrels, roadblocks, septic tanks, kayaks, double-ring barrels, pallets, solar tanks, mobile toilets, desktop boards, pontoons, medical headboards, IBC barrels; comparison of injection molding machines Common production of various electronic product shells, plastic pallets, plastic baskets, etc.

plastic cap

The principle of the blow molding machine is a machine that produces various plastic products by blowing the plastic into a film or hollow by the wind. Such as plastic films, bottles, etc.

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The principle of the injection molding machine is that molding is mostly used for thermoplastics. It is similar to extrusion molding, the difference is that the molten plastic enters the closed mold through the nozzle, and the product is solidified in the mold. A machine that produces various plastic products by filling the mold with plastic. Such as: case, orange, penholder, barrel, tube, etc.

plastic tubepet perform

Even if the equipment of the same material is used, the physical properties are different. One injection level and one blow molding level. The injection molding machine uses injection molding materials, and the blow molding machine uses blow molding materials. However, the tensile properties of the injection molding grade are not blown. The molding level is good, so the injection molding level cannot be used in blow molding production, and the same blow molding level is not used in injection molding production.

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