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Ellen Zeng

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rapid prototyping china


rapid prototyping china


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What to Know Injection Molding – Definition, Uses, and Process

2021-11-22 20:30:42

With the fast-growing sphere of the plastic industry, injection molding has become an essential process to produce useful parts. The process is reliable and fast, which means producing large quantities of components is possible in a short time period.

Plastic injection molding is commonly used in the production of plastic components, including toys and medical equipment. The industry has witnessed numerous changes in recent times and thereby, one of the best strategies is to work with injection molding in China to decrease lead times and increase efficiency.

What is Injection Molding?

Injection molding is a popular manufacturing procedure used for producing parts in large quantities. It is mainly used in mass-production processes wherein the same component is being created thousands of times in sequence.

The process counts for various proportions of plastic products, from micro parts to large components like wheelie bins and bumpers. The greater flexibility in size and shape possibility have extended the scope of design in plastics and other traditional materials.

Commonly Produced Products

·       Power-tool housing

·       Disposable razors

·       Electrical switches

·       Automotive dashboards

·       Drug inhalation units

·       Wheelie bins

·       Telephone handsets

·       Washing-up bowls

·       Recycling boxes

·       Television cabinets

·       Bottle lids

·       Battery casings

·       DVDs

·       Syringes

Injection Molding Process

The process of injection molding is comprised of these steps:

1.     The mold is installed into the injection molding machine. The machine closes the mold using the clamping tools and therefore, mold stays closed in the plastic injection molding.

2.     The plastic is fed into the injection molding machine in granules or pellets. Plastic is heated until it turns into liquid. The nozzle of the machine injects the melted plastic into the mold.

3.     The cavity of the mold is then filled with liquid from the plastic. Further, it will cool down to create a solid product.

4.     Ejectors force the cooled product out of the machine as a finished component. Hence, the injection molding process is finished.

How to Speed Up Injection Molding Process?

The cycle of the injection molding procedure can be divided into injection time, cooling duration, resettling, and changeover time. By reducing or streamlining any of these processes, the production cost can be minimized.

Frequent mold changes reduce the inventory and give a fast response to meet market requirements. The best practice requires automated mold change. You can lower the cost of injection molding with fast mold change systems.

Final Words

Mold design is a crucial aspect to determine the quality of the finished product. The durability, strength, shape, size, and output entirely depend on the type of mold used. The mold needs to be sturdy enough to withstand the pressure during the injection procedure.

Injection molding is a complicated process and it takes well-trained individuals to supervise the operations. At Uidea, we use state-of-the-art equipment, appropriate materials, and cost-effective way to produce quality plastic parts across various industries. We build rapid tooling based on customers’ lead times, tolerance needs, production volume, specifications, and project budgets.

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