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Brief introduction of injection molding technology and equip

Brief introduction of injection molding technology and equip

Injection molding machine (injection machine or injection molding machine for short) is to make thermoplastic or thermosetting materials by plastic molding mold The main molding equipment for plastic products of various shapes. Injection mo...

Injection molding machine debugging process

Injection molding machine debugging process

The pressure velocity is in linear proportion, not independent as we think. Many people are adjusting the process Its easy to make mistakes when we think that they are independent and separate. In fact, as long as we understand their contro...

Multistage injection molding process

Multistage injection molding process

Modern injection molding products have been widely used in various fields. The shape of the products is very complex and they are used The properties of the polymers are also very different. Even for products of the same material, due to th...

Injection machining -- Method to eliminate gate fracture

Injection machining -- Method to eliminate gate fracture

1、 Causes of gate fracture 1 residual stress near gate 2 distribution near gate 2、 Associated knowledge Due to the large pressure near the gate, either residual stress or alignment problem is generated. Please refer to the crack Section...

Analysis of common defects in plastic products of injection

Analysis of common defects in plastic products of injection

Basic reasons: from the perspective of plastic, the reasons for the change of size are as follows: The change of pressure distribution in the U-shaped cavity will cause the size change; U for crystalline plastics, the change of crystallinit...

Injection molding machine processing * -- Method to eliminat

Injection molding machine processing * -- Method to eliminat

1、 Reasons for difficulty in demoulding 1 groove in the mold 2 insufficient demoulding inclination 3. The mold finish is not high 2、 Associated knowledge 1. The failure caused by insufficient demoulding slope is very common. When design...

Processing of injection molding machine -- a method to elimi

Processing of injection molding machine -- a method to elimi

1、 The cause of product trace 1 marks on the surface of mold cavity 2 scratches caused by insufficient inclination of demoulding 3. Scratches during product handling 2、 Associated knowledge 1 when it is necessary to scrub the surface of...

Processing of plastic products -- Method of eliminating past

Processing of plastic products -- Method of eliminating past

1、 Causes of paste spots Insufficient air overflow 2、 Related knowledge 1. The residual gas in the mould is compressed into a high temperature state, which makes the material scorch. 2. Insufficient gas overflow and air sealing will res...

Processing of plastic products -- the method of eliminating

Processing of plastic products -- the method of eliminating

1、 Causes of fusion marks on products: Because the first part of the melting material is cooled and solidified in the confluence, there is no strip like fusion mark. Because the air and the volatile matter of the material are sealed Mold...

Processing of plastic products -- a method to eliminate prod

Processing of plastic products -- a method to eliminate prod

1、 Causes of albinism 1. Force during demoulding (poor demoulding) 2 excessive load 2、 Relevant knowledge 1. The same reason for the network cracking in the same section 2. It is common that excessive force is exerted on the product by...