What Is An Overmold?

What Is An Overmold

After the read, you will learn about: What is an over-mold The difference between plastic over mold and two-color mold What are the problems that easy to occur in the molding process With the continuous improvement of living standards, the requirements for material and aesthetics are also continuously improved. More and more manufacturers choose the […]

Summary Of 50 Injection Mold Structure Operation Dynamic Diagrams

Single parting surface injection mold

Molds play an important role in the industry, and a large number of industrialized products are inseparable from molds. Regardless of all walks of life, it is inevitable to deal with molds, so it is very meaningful to be familiar with and understand the structural principles of various common molds. I have sorted out 50 […]

How To Solve Flow Lines In Injection Molded Products?

How To Solve Flow Lines In Injection Molded Products?

Analysis and countermeasures of flow lines in injection molded products First, Classification of flow lines 1) Snake lines When the melt enters the mold cavity from the gate, it produces a jet effect and appears on the surface of the product like a snake, so it is called snake flow lines. 2) Wave lines  The melt flow in […]

How To Deal With Sink Marks On The Surface Of Injection Molded Products?

Sink Marks

How To Deal With Sink Marks On The Surface Of Injection Molded Products? Noun explanation Uneven product wall thickness causes uneven surface shrinkage and sinks marks.   Failure analysis and troubleshooting methods Improper control of molding conditions. Properly increase the injection pressure and injection speed, increase the compression density of the melt, extend the injection […]

What Is The Reason For The Sticking Of The Runner?

What Is The Reason For The Sticking Of The Runner?

What is the main runner stick mold (appearance)? The main runner residue is a phenomenon in which the runner of the molded product fails to leave the mold. If the holding pressure is applied for a long time to increase the size of the sprue, or the sprue part of the mold is damaged, resistance […]

Basic Requirements For Plastic Injection Molded Part Design

Basic Requirements For Plastic Injection Molded Part Design

Plastic Injection Molded Part Design Basic Requirements Unreasonable design of plastic injection molded parts often results in some inherent defects in the product. For example, the structure of the parts is unreasonable, the parts use too much material, etc. Here are a series of basic requirements for plastic injection molded parts design for reference. First, […]

6 Polishing Methods For Plastic Injection Molds

6 Polishing Methods For Plastic Injection Molds

With the widespread application of plastic products, such as daily chemicals and beverage packaging containers, the appearance requirements often require the surface of the plastic mold cavity to reach the level of mirror polishing. The production of optical lenses, CDs, and other molds have extremely high requirements for surface roughness, and therefore extremely high requirements […]

10 Plastic Injection Molding Methods

10 Plastic Injection Molding Methods

Plastic products are made of a mixture of synthetic resin and various additives as raw materials, using injection, extrusion, pressing, pouring, and other methods. While plastic products are being molded, they also obtain the final performance, so plastic molding is a key production process. The following are 10 common plastic Injection molding methods. Injection molding […]

What Is Cold Forging?

What Is Cold Forging?

What Is Cold Forging? Cold forging, cold extrusion, and cold heading are general terms for plastic processing. Cold forging, also called cold volume forming, is a manufacturing process and a processing method. Cold forging is the forming process below the recrystallization temperature of the material, and the forging performed below the recovery temperature. In production, […]

What Is Blow Molding?

What Is Blow Molding

What Is Blow Molding? Blow molding also called hollow blow molding, a rapidly developing plastic processing method.  Blow molding is a manufacturing process for forming and joining together hollow plastic parts. It is also used for forming glass bottles or other hollow shapes. In general, there are three main types of blow molding, extrusion blow […]