Injection molding process and compression molding process

We all know that there are injection molding processes and compression molding processes in the manufacture of plastic caps, but we may not know the injection molding process and compression molding process of Plastic caps very well. We only know that there are these two processes, but do not know their working methods and characteristics. Next, let's take a look at Plastic cap manufacturing including the injection molding process and compression molding process. Here are some answers.

Here is the content list:

Compression molding production process of Plastic cap.

Plastic cap injection molding production process.

Compression molding production process of Plastic cap.

Compression-molded Plastic cap has no traces of the material opening and looks more beautiful. The processing temperature is low, the shrinkage is small, and the size of the Plastic cap is more accurate. Place the mixed material into the compression molding machine, heat the fabric within the machine to concerning a hundred and seventy degrees astronomer to become a semi-plasticized state, and produce the fabric into the mold quantitatively. The upper and lower molds are closed and pressed into the shape of a bottle cap in the mold. The compression-molded bottle cap remains in the upper mold, the lower mold is removed, the bottle cap passes through the rotating disk, and the Plastic cap is aloof from the mold in a very counterclockwise direction consistent with the inner thread. Once the bottle cap is compression formed, it's revolved on the machine, and a knife is employed to chop the anti-theft ring with multiple points connected to the bottle cap at a distance of three metric linear units from the sting of the bottle cap.

Plastic cap injection molding production process.

The injection mold is large and is troublesome to replace. Each injection mold requires a lot of pressure to produce multiple Plastic caps. The heating temperature of the material is higher, and the energy consumption is higher than that of compression molding. Put the mixed material into the injection molding machine, heat the material to about 230 degrees celsius in the machine to become a semi-plasticized state, inject it into the mold cavity of the mold through pressure, and funky and form it. The Plastic cap cooling and shrinking grinding tool rotate counterclockwise, and also the plastic cap is ejected below the action of the push plate to comprehend the automated fall off of the bottle cap. The utilization of rib rotation molding will make sure the complete forming of the complete thread, which might effectively avoid the deformation of the bottle cap scraped. Once cutting the anti-theft ring and putting in the protection ring within the bottle cap, an entire bottle cap is created.

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