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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
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
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
What do you need for mould quotation? Jan 04, 2019
What do you need for mould quotation? Many product developers are very confused about mold production. First of all, what mold quotation do you need?Here we only talk about the production of injection mold. Basic information and clear requirements should be provided.The more information you provide, the better solutions we can provide for mold manufacturing. Basic information: 2D parts drawing or ...
- mould
- plastic parts mold
- mould qutation
Venting System Design for Plastic Injection Mold Jan 04, 2019
How should the plastic mold venting system be designed? Mold design has always been an indispensable part of the machinery industry. Plastic molds are tools used in the plastics processing industry to match plastic molding machines, giving plastic products a complete configuration and precise dimensions. Due to the variety of plastics and processing methods, the structure of plastic molding machin...
- Venting system for mold
- mold clamping
- mold injection parts
2 points for PC injection molding product Jan 18, 2019
Transparent components have their own special features and functions. Polycarbonate injection molding will inevitably be used in auto parts.In the process of injection molding, we often encounter some thick wall transparent injection parts.For performance reasons, these plastic parts are made from PC machinery. When the average wall thickness exceeds 6mm and the maximum wall thickness exceeds 12mm...
Procedures of Plastic Thermoforming Mar 15, 2019
The basic process of hot thermoforming is: clamping, heating, molding, cooling, demoulding. Among them, molding is the most important and complex. Plastic thermoforming is mostly carried out on the moulding machine, which varies greatly with the different methods of thermoforming. Not all kinds of moulding machines are required to complete the above five processes, and it can be chosen accor...
- Plastic Thermoforming
- plastic parts
- molded parts
Undercut in Plastic Mold Mar 29, 2019
In some plastic products, there are undercuts. If it is a small undercut, and the requirements of shape and size accuracy are low, or the plastic material has sufficient plastic deformation and toughness, the parts can be ejected/ demoulded by force. According to the different structures and requirements of plastic parts, the slider and lifter mechanisms is adopted to solve the problems in m...
- Plastic mold
- plastic parts
- mold design

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