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3 basic steps in the injection molding process

Injection molding is a popular manufacturing method for many reasons. It has proven to be particularly valuable in consumer product development. Plastics The main component of many consumer products, injection molding is one of the best ways to make plastics. Let's take a quick look at the injection molding process.

1. Product design of injection molding process

The design is the most important aspect of the production process because it is the earliest opportunity to prevent costly mistakes. (Of course, making sure you have a good idea is also important in the first place, but more here). There are many target designs, functions, aesthetics, manufacturability assembly, etc. The correct design is to achieve the desired goal to a satisfactory level, but it may require a lot of creativity. Product design is usually through Computer Aided Design (CAD) software like SolidWorks. Proficient in CAD software is crucial because it allows for rapid iteration and more accurate prototypes when necessary.

Plastic Products

Some specific methods to avoid costly mistakes in the product design process are as uniform as possible in the wall thickness plan, and a gradual transition from one thickness to another when thickness variation cannot be avoided. It is also important to avoid architectural design pressures, such as an angle of 90 degrees or less.

A team of skilled design engineers will be able to brainstorm, design and improve a variety of solutions to meet the complexity of a particular project. The design team creates elegant solutions to complex problems in the sum of decades of creative mechanisms. See previous and current customers say our product design capabilities. We think you will be impressed.

2. Mold design during injection molding

It looks like after that, it feels that the design has been tested and will be further produced, and the mold needs to be designed and manufactured for the injection mold. From these types of metal, molds are often the following.

injection mold Hardened steel, the mold is usually the most expensive material, and the longest duration (in units) can generally lower the price. This makes hundreds of thousands of good material selection products for hardened steel.

Pre-hardened steel, not as hard as the cyclically hardened steel and is created cheaper.

Aluminum, the most commonly used single cavity "prototype tool" when a relatively low number of parts required for testing. Once the tool's injection molded parts are tested and approved, then a multi-cavity steel production tool is produced.
Thousands of parts can be obtained from an aluminum tool but are usually used in low quantities.

Beryllium Copper Alloy, a mold that is commonly used in the area and requires rapid heat removal or shear heat concentration.

3. Injection molding process production process

When a product is correctly designed, approved and molded, it is time to start actual production. The thermoset or thermoplastic material is in the form of granules that the Fed enters into the heating barrel through the hopper. The plastic is heated to a predetermined temperature by a large screw through the door (s) and the mold. Once the mold is in place, the screws will remain in place for a predetermined cooling time during the application of the appropriate pressure. At this point, the screw exits, the mold opens, and it expels. Gates will cut automatically or manually Delete This loop will repeat over and over again and can be used to create hundreds of parts in a relatively short time.

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