• The Effect of Plastic Mold Prototype Part Mar 29, 2019
    "Prototype Part" is often heard in the mold industry. It means one or a set of products processed by machine.It has two types, one is ordinary plastic part, the other is 3D printing. Ordinary plastic part refers to the processing of the plastic block directly on the machine. This kind of product is usually not large. If the part is large, the processed plastic parts need to be glued together with ...
  • Reasons for Weld Line on Plastic Part Apr 04, 2019
    When we get the plastic parts during mold test, we will see some weld lines on them. What's the main reasons for the weld lines? 1. The surface temperature of the injection mold is too cold, and the surface temperature of the mold should be appropriately increased or the local temperature at the welded joint should be changed. 2. The runner is too small, too narrow or too shallow. The diameter of ...
  • Mold Texture Discussion Apr 12, 2019
    Texture is a common process for mold surface treatment, which directly affects the appearance and surface strength of the product surface. Mold texture, also known as mold etching, mold graning, is widely used due to its low process cost, rich effect and fast speed.  It's use chemical liquid (such as sulfuric acid, nitric acid, etc.) to chemically react with the mold steel, and the reaction p...
  • The Causes of Color Instability of Injection Molded Parts Jun 10, 2019
    Nowadays, the application of plastic casings has become widespread. For example, electrical shells, as well as our commonly used washbasins, are all plastic, but when plastic processing, color instability is a common problem. 1. First of all, the color instability is related to the high and low temperature of the injection molding machine. Therefore, it is necessary to check the priority when proc...
  • Attentions to Car Lamp Mold Polishing Jun 14, 2019
    We have done several plastic car lamp molds, polish is very important procedure for this kind of molds.  so today we are going to discuss the attentions of plastic auto parts mold polish.  1. For the position of parting line, it should be carefully polished, and at the same time ensure that the appearance of the product. Also, the position of the buckle should also be smooth and smooth, ...
  • Learn about AS (SAN) Acrylonitrile-styrene Jul 19, 2019
    The plastic material is a solid material which is based on a polymer and is added to the additive at a certain temperature and pressure, and is formed by solidification or cross-linking. Let us learn about the material of AS now. AS is a copolymer of acrylonitrile (A) and styrene (S). It has moderate weather resistance, is not affected by high humidity environment, and is resistant to general grea...
  • Actual Case Analysis of Poor Shrinkage (1) Jul 26, 2019
    Today we are going to discuss one case for the sink mark, we will show what we would do when we face the sink mark problem. 1. Basic information: PE, Holder (car parts) shrinks poorly and snakes are bad. 2. Description: The plan to increase the injection pressure has not been solved. In order to make the resin pressure fully function, the gate thickness is increased and the sink mark is improved. ...
  • Four major engineering materials in the plastic injection mold industry Oct 12, 2019
    ABS, PA, PC, POM are the four major engineering materials recognized by the national standard in the plastic injection mold industry. 1. ABS: It has excellent impact resistance and does not drop rapidly at low temperatures. Even at -40 degrees, it has a very good toughness. The biggest use ABS is as pipelines to transport gasoline, crude oil and water. 2. PA: The biggest feature is low friction co...
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