Injection Molding Defects

Injection molding defects │ how to solve the high-gloss product surface fog? Jul 23, 2021
Highlight products for injection molding enterprises is really a difficult problem to deal with, because it can not hide external defects, even the dust in the workshop will cause different degrees of product defects, such as troma, pitting, contamination, etc., so the environment is also one of the key factors affecting this kind of products. The white fog on the surface of the product is wh...
- injection molding
- molding defects
- Molding factory
Something about the mold distance tension mechanism failure Jul 30, 2021
Pendulum hook, buckle and other distance tension mechanism is generally used in the fixed mold core pulling or some secondary release of the mold, because this kind of mechanism is set in pairs on both sides of the mold, its action must be synchronized, that is, the mold at the same time buckle, open the mold to a certain position at the same time decoupling. Once the synchronization is lost, it i...
- mold core
- injection mold
- plastic mould
What you can do when you encounter these injection molding machine common failures? Jul 30, 2021
Even people who have been focused on injection molding for many years also always encounter problems when operating injection molding machines. At this time, how to deal with them is a test of one's experience and technology. The following are 4 points that explain what the sudden failure problem is and how to solve it. 1. the oil pump motor and oil pump start, but no pressure. (1)The pr...
- Injection molding
- Plastic mould
- Mold factory
Acrylic injection molding process Aug 11, 2021
Acrylic chemical named poly methyl methacrylate (PMMA). Because PMMA surface hardness is not high, easy to wipe hair, low impact resistance, molding flow performance and other shortcomings, PMMA modification has appeared. Such as methyl methacrylate and styrene, butadiene copolymerization, PMMA and PC blend, etc. The flow generation ratio of PMMA is lower than PS and ABS, and the melt vi...
- PMMA injection molding
- injection molding
- PLASTIC MOLD
Injection mold cooling lines leakage fault and troubleshooting method Aug 11, 2021
Injection mold cooling line leakage is a common occurrence. There are many reasons, mainly from the following aspects: 1. Most occurs at the joint of the mold cooling lines. If leakage is found, the sealing belt should be wound on the thread of the pipe connector, and then tightened. 2. Due to long-term molding conditions, the o-ring in the mold will be damaged, and the O-shaped o-ring is eas...
- injection mold
- injection molding
- mold cooling
Automobile sensor bracket precision mold design case Aug 12, 2021
1. Product analysis: This case is for a bracket on the sensor of a car. The precision requirement is very high, the material is POM, the product is very small, the longest size is 38mm, and the metal insert (copper sheet) should be put when injection molding, and the deformation amount is very small, see Figure below. The upper and lower two holes of this product is not concentricity is ...
- injection mold design
- injection molding
- car sensor mould
Automobile headlight decorative frame (Main Bezel) mold technology summary Aug 18, 2021
Automobile headlight decorative frame is one of the most important parts on the headlight, the appearance requirements are strict, the mold needs electroplating treatment. For the automobile headlight decorative frame mold, the design should pay attention to the following points: (1) Electroplating parts first to avoid welding lines, because electroplating parts have any welding lines will ap...
- Automobile headlight mold
- frame mold
- plastic part molding
Technology summary for Automobile headlight lens injection mold Aug 24, 2021
Technology summary for Automobile headlight lens injection mold Car headlight lens, also known as the lens, is the most transparent car headlights. Internal and external surface transparency requirements are extremely high. Plastic features: transparent color, high requirements for the appearance surface, no spots/gate/marks, no bubbles/ fog halo/shrinkagemark/ welding ines and...

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