Custom Mould Design,Mould Design Manufacturers

What are the procedures for texture? Jan 16, 2020
Before, We have talked about the mould texture. There are 7 procedures for mould texture as below: 1.Cleaning the cavity surface 2.Covering the cavity surface which no need to be texture,or painting antiseptic paint on it 3.Drying the antiseptic paint 4.Using degrease cotton to clear the cavity surface which need to be texture, make sure that there's no any impurities and filth to effect texture. ...
- Etching Texture
- plastic injection molding
- mould texture
What are the Four Major Engineering Materials? What's their application? Jan 17, 2020
Plastic raw materials have many different types.Today we will take about the engineering plastic materials.So what are the Four Major Engineering Materials and what's their applications ? The answer is as follow: 1.ABS, full name is Acrylonitrile Butadiene StyreneAcrylonitrile Butadiene Styrene. It's widely used in machinery, automotive, electronic appliances, instrumentation, textile and construc...
Defects analysis of injection molded products - Bubbles Jan 17, 2020
Bubbles are the phenomenon of small volume or series of pores formed inside the product. A large amount of gas is mixed into the melt and is formed by cooling the melt. 1. Venting system is bad or blocked 2. The cooling system is not setting properly, which makes the material cooling uneven or insufficient. 3. The injection speed is too fast 4. The material temperature is too high, which will caus...
- injection molded products
- mould cooling
- plastic filling analysis
Two-color mold design and injection tips Mar 20, 2020
1. The water circiuts of the cavities and cores is designed as full as possible and balanced. 2. After the cavity rotates 180 ° from the center, it must match the core. 3. Usually, injecting the hard rubber part first, and then the soft rubber part, because soft rubber is easy to deform. 4. The nozzle of the three-plate mold should preferably be designed to automatically demolding. Special attenti...
- 2 color mould
- two-color mold injection
- twice molding
The inner undercut of the product cannot be used as a lifter, what mold structure should be used? Apr 22, 2020
We all know that products have undercut, usually, the inner undercut of the product is generally released by a lifter, and the outer undercut of the product is released by a slider. When the inner undercut of the product cannot be used as a lifter, what structure do we use? As shown below: Encounter this type of product, can not do lifter, can only consider the inner slider core pulling. The...
- plastic injection mold
- injection mold design
- undercut problem
It is not difficult to understand the principle of core pulling design of the curved pipe mold. Apr 26, 2020
Pipe type products are also relatively common, and many mold designers do not understand the principle of arc core pulling, let me share with you. Due to the relatively long stroke of arc core pulling, oil cylinder core pulling is required, as shown in the figure below For arc core pulling, the slider insert needs to be divided into several pieces, and the core is pulled along the arc of the produ...
- pipe mold
- oil cylinder core pulling
- mold design
The Composition of injection mold May 22, 2020
The plastic injection mold is consist of several steel plates with different components. Basicly it's divided into below parts: A Forming unit（cavity，core） B Locating device（guide pin，guide bushing） C Fixed device（top clamp plate, clamp slot） D Cooling system（water line, water tube） E Constant temperature system（heating tube，heating element） F Runner system（sprue nozzle，flow channel slot，runner ho...
How to avoid the short shot when we make injection? May 22, 2020
When we finish a plastic injection mold, we need make mold testing. Sometimes you may find the product comes out with short shot. Today we will talk about how to avoid short shot. A Increase the temperature B Increase the pressure C Extend the shoting time D Check and add more air vent...
- short shot
- plastic moulding factory
- plastic injection molded parts

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