At present, the production of terminal blocks can be divided into two parts: plastic injection molding production and copper production. The finished terminal can be produced by assembly! During plastic production, impurities shall be prevented from entering, because impurities may affect the strength and insulation of insulating parts. How to prevent impurities from entering the plastic production process of terminal blocks? The following Zhuo Neng will introduce it to you!

Harm of impurities in the plastic production process of terminal blocks?

Impurities in the plastic of the terminal block will affect the strength and performance of the product, especially the metal powder, which will lead to the conductivity of the product shell and cause installation accidents!

Why are impurities mixed in the plastic production process of terminal blocks?

1、 Impurities may come from the plastic material itself

Some manufacturers say that "we use brand new materials, without or impossible impurities", is that really true? There is a problem with this statement. The manufacturer of plastic raw materials cannot guarantee that any batch of raw materials does not contain metal impurities! Even if it can do this, its manufacturing process and control process are very complex, and the product price must be very expensive. However, who can guarantee that the possibility of metal impurities mixing can be completely avoided during the subsequent transportation, use or processing?

In fact, high-quality plastic granules are only used to reduce the metal impurities in the plastic as much as possible, or to a level acceptable to users. So you should be careful when purchasing materials.

2、 Processing process of plastic raw materials

In the process of reprocessing (plastic modification, recycling after crushing, etc.), there are mainly the following potential factors that cause impurities to mix into the plastic:

1. Open containers shall be used for production and transportation;

2. Additives in granulating materials will also cause unqualified plastic parts;

3. Damage to fragments of crushing or grinding equipment;

How to avoid impurities in the production process of plastic terminal blocks?

1. The raw materials shall be purchased from the original factory as far as possible, instead of being cheap;

2. In the injection molding production, a powerful magnet can be added to the barrel, which can effectively solve the problem of absorbing most of the metal.