Part Demoud

Automotive Plastic Injection Moulding Nov 16, 2018
For more than 20 years, Green Vitality Mold has been providing high quality moulds and superior injection moulding services, especially working for the automotive small part sector. We are always trying to find new and innovative solutions to meet the ever-changing demands for the auto industry. We can produce a wide range of parts and small components for the automotive sector. These include item...
- plastic injection moulding
- automotive part
- auto industry
Test questions of plastic injection molds (1) Nov 16, 2018
The test is an essential part of the new mold before injection molding, or when the machine is replaced with other molds. The quality of the test results will directly affect whether the subsequent production of the factory is smooth or not. So, what are the common problems in the mold test? Today we will take a detailed inventory for a reference. 1.Short molding: mainly due to insufficient feedin...
- Injection mold
- mold test
- plastic parts
How to tell the plastic mould quality? Nov 23, 2018
There are 4 aspects to adjudge whether it is a good quality mould. 1. Part quality 1.1 the stability and conformity of the part dimension 1.2 the smoothness of the surface of the part 1.3 the utilization rate of the part materials, etc 2. Mould lifetime Under the premise of ensuring the part quality, the mould is able to complete the specified cycling time or the number of parts. 3. Mould Maintena...
- Plastic mould
- Mould Maintenance
- Part demoud
Test questions of plastic injection molds (2) Nov 23, 2018
Let’s go on from last article about discussing the common problems in the mold test. 6.Gate sticking: due to mechanical resistance in the sprue bushing, insufficient cooling or failure of the pulling bar, the gate sticks in the sprue bushing. 7.Poor demolding: due to excessive filling, poor mold release performance, etc., the plastic parts are difficult to demold or the plastic parts are deformed ...
- Plastic mold
- mold trial
- plastic part
The solution of bubble issue during injection molding process Nov 23, 2018
According to the causes of bubbles, the countermeasures are as follows: (1) When the wall thickness of the product is large, the cooling speed of its external surface is faster than that of the central plastic part. Therefore, as the cooling goes on, the resin at the central part shrinks and expands towards the surface, resulting in insufficient filling at the central part. This condition is calle...
- Plastic Mold
- Injection molding
- plastic parts
Ten principles of mold design for P/L (2) Dec 11, 2018
Let’s go on from last article about discussing the principles of mold design for P/L. 6. Good to demoulding The mold release mechanism of the general mold is in the movable mold, so the product should be left in the movable mold as much as possible when selecting the parting surface. Therefore, for some places where it is possible to stick to the fixed mold, we often add a fixed mold assiste...
- movable mold
- plastic mold parting
- mechanical mold
10 factors that influence the quality of injection mold Dec 20, 2018
Mold manufacturing is a complex process, from the design, processing, assembly, debugging and other steps, to the final actual use. In the whole life cycle, the factors affecting the quality of mold mainly have the following 10 aspects. 1. Mold steel is the decisive factor of mold quality thus the choice of reasonable steel is the top priority. 2. Reasonable mold structure can effectively extend t...
- plastic injection molding
- plastic part
- mold quality
Surface Treatment on Mold Dec 26, 2018
Surface treatment is widely used in many objects, from traditional industry to high-tech industry, from metal surface to plastic surface. All processes, which are made to change the material surface's physical, mechanical and chemical properties, is called Surface Treatment. A mold surface treatment is processed to improve surface finish of injection molded parts. It makes materials more cor...
- Plastic molding surface
- Mold surface treatment
- Injection molded parts

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