March 02, 2022

Due to the advantages of light weight, good toughness, easy molding and high cost, more and more plastics are used to replace glass in modern industry and daily products, especially in the optical ins

February 26, 2022

Excessive burrs usually occur on the parting surface, i.e. between the moving mold and the static mold, the sliding part of the slider, the gap of the insert, the hole of the ejector rod, etc.

February 25, 2022

Throughout the injection molding process, airline defects are a common defect in the processing of plastic parts. What are the general causes of this defect? 1. Mismatch between injecti

February 24, 2022

I. The meaning of two-color injection molding Two-color injection molding is a molding method of injecting two different colors of plastic in the same mold. It can make the plastic parts appear

February 23, 2022

Throughout the injection molding process, airline defects are a common defect in the processing of plastic parts. What are the general causes of this defect? 1. Mismatch between injection moldi

February 21, 2022

There are two kinds of product quality, namely: the quality of internal material and the quality of appearance. The quality of the inner material mainly refers to the mechanical strength, and the size

February 19, 2022

It is well known that plastic parts processed products emit an unpleasant smell. In order to overcome this problem to meet the needs of customers, the production of plastic parts has

February 17, 2022

Electroplated PC/ABS parts are used more and more widely in the home appliance, automotive and IT industries. It is believed that the main factors affecting the plating performance of

February 15, 2022

The 14 injection molding defect solutions are as follows: Short shot Short shot refers to a situation in which the injected product is incomplete due to the m

February 12, 2022

Gas is often generated in injection molds and may be related to the following: The air contained in the casting system and the mold cavity.

February 11, 2022

The general process of PEEK injection molding is as follows: 1. Drying: The particulate polymer generally absorbs 0.5% w/w of atmospheric moisture. For best re

February 08, 2022

Acrylic products generally crack during injection molding, so what kind of solution should we take when cracking occurs? The main reason for this is due to stress deformation. There a

February 05, 2022

Poor mold release, also known as the mold flow path, is due to poor contact between the injection port and the nozzle arc, and the gate material is not demolded together with the product and the abnor

February 02, 2022

The low-pressure injection molding process is a packaging process that uses a very low injection pressure to inject a hot melt material into a mold and quickly cures it. It achieves i

January 30, 2022

The warpage, bending and twisting problems of injection molding are as follows: 1. Insufficient cooling or unevenness When it

January 27, 2022

The proportion of plastic materials in life is getting higher and higher, and the requirements for its quality are getting higher and higher. Injection molding is an

January 24, 2022

The concept of two-color injection molding: Two-color injection molding refers to a molding method in which two different color plastics are i

January 21, 2022

The factors of injection molding are as follows: 1, pressure The operating pressure provided by the pressure system (oil pump) or motor of the

January 20, 2022

The plastic injection molding machine works similarly to the syringe for injection. It uses the thrust of the screw (or plunger) to inject the plasticized molten state (ie, the viscou

January 19, 2022

The seven steps of injection molding are as follows: 1. Heating, pre-plasticizing The screw drives the material from the hopper

January 17, 2022

Masterbatch is a new type of polymer material colorant with superior coloring properties. However, there may be some problems in the use of color masterbatch. The following is a brief

January 14, 2022

Polymethyl methacrylate, a polymer obtained by polymerizing acrylic acid and its esters, is collectively referred to as an acrylic resin, and the corresponding plastics are collectively referred to as

January 13, 2022

Drying of TPR Depending on the characteristics of the material and the feeding conditions, the appearance and process properties of the material should genera

January 12, 2022

Silver streaks are also known as (mica marks), bubbles. Some parts of the surface of the injection molded parts have inconsistent finish and a silver surface.