Custom Precision Mould Design,Precision Mould Design Manufacturers

Plastic injection product defects discussion Sep 18, 2019
Today we are going to discuss common defects for plastic injection products. 1. Short shot The plastic part is insufficiently filled (or the injection pressure is not enough, the mold nozzle is too small). 2. Ejector Mark The part is poorly released or the ejector pressure is too high. White marks and bumps appear on the surface of the product: 3. Flow marks: The Part is not slippery, ...
- plastic injection part
- plastic part mould
- plastic molding
Splay Mark of Plastic Products Sep 17, 2019
Splay mark is a normal problem during manufacture plastic products. There are a few reason cause this problem: 1. The material contains water, drying time is insufficient. 2. Weld back pressure is too small or no back pressure. 3. Venting is not so good. We need keep to drying the material, Increasing back pressure, Improving the mould venting.
- Plastic mould
- Plastic injection mold
- mould venting
Actual Case Analysis of Poor Shrinkage (4) Sep 23, 2019
1. Basic information: PMMA Case, shrinkage 2. Description: Using a injection machine with a clamping force of 70 tons (screw diameter of 32 mm, maximum injection amount of 115 g: GP-PS), whether a molded part with a weight of 179.6 g and a thickness of 17 mm can be molded is tested. do. The main problems are as follows: (1) The amount of injection is not enough. In order to solve this problem, we ...
- PMMA case mould
- PMMA injection molding
- plastic molded part
The Manufacturing Processes for Plastic Products Sep 27, 2019
The manufacturing process of a plastic article refers to a process of making a final plastic article from a polymer manufactured by a synthetic resin manufacturer. Processing methods include: compression molding, extrusion molding, injection molding, blow molding etc. Detailed manufacturing process: (1) Compression Molding: Molding is also called press molding. It is mainly used for the mold...
Damage of Plastic Products Sep 27, 2019
What is damage of plastic product? and what is caused it? Damage of Plastic Product, means that product parting position or slider closing damaged There are three reasons caused this problem: 1. The angle is not enough, the position and size of the ejection are not enough. 2. Die surface treatment is not good, coating is not smooth, texture too thin or too thick. 3. During injection molding, the s...
- Plastic mould
- Plastic injection mold
- Plastic Products
How to choose injection mold supplier? Oct 23, 2019
Here two tips to choose mold in China. 1. The characteristic of foreign capital mould manufacturer is management standard, flow is perfect, service consciousness is strong, quality and service have assure, but its indirect cost and sale cost are quite high, because this mould develops cost to will rise accordingly.If you have strong financial ability, and want to find a company that can prov...
- China mold
- Dongguan Mold factory
- Guangdong Shenzhen Mould supplier
What is the delamination of the plastic product? Oct 23, 2019
It means that products delamination like mica sheet, because different material is mixed, especially for different Shrinkage material. There are a few reasons caused this problem: 1. The melt temperature is too low, material couldn't conbine well. It may caused products delamination under ejected acting force. 2. The back presure is too low. 3. The material consistency is not so good. 4. Mat...
- Plastic injection mold
- Plastic Products
- plastic mould
The common problems in injection molding of PC injection molds Nov 01, 2019
Everyone in the mold industry knows that pc injection molds will encounter some quality problems in one or the other during injection molding. Why do the same set of molds have different effects on products with different materials? This is due to the difference in the performance of the PC injection mold and the plastic material used for the injection molding. The pc material is relatively ...
- pc injection molds
- PC+ABS plastic molding
- Hot nozzle mould

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