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#1 Posted : Thursday, November 28, 2019 8:41:13 AM(UTC)

What kind of vacuum pump is good for plastic industry

The vacuum pump is mainly used in the molding process of the blister. It uses the suction generated by the vacuum pump to heat and soften the blister material, and then clings to the blister abrasive to form the product. According to the thickness of materials, there are two categories: thick material and thin material.

When selecting vacuum pump for blister, it is necessary to select vacuum pump according to specific process, mainly referring to the following two main parameters:

Vacuum degree: the so-called vacuum degree is a way to express the degree of air thinness, usually expressed in units such as Pascal, mbar, mmHg, etc.

After the molding of the Blister products, the product bubbles are mostly due to the vacuum degree can not meet the requirements, resulting in the product defects. Compared with products with deep grooves, the requirements of vacuum degree are relatively high.

Flow: refers to the volume of fluid pumped by vacuum pump through closed pipe or effective section in unit time, which is usually expressed as m3 / h, L / s, L / min

Vacuum flow is an important sign to measure suction. When selecting vacuum pump, we should pay attention to the specification and thickness of the product to calculate the amount of air to be removed in an hour or a minute, so as to determine the amount of flow needed.

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