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Rapid Injection Molding: Revolutionizing the Manufacturing Industry.

Rapid injection molding is a manufacturing process that has gained popularity in recent years due to its ability to provide high-quality plastic parts quickly and at a low cost. It is a process that has revolutionized the manufacturing industry by making it easier and more affordable to create custom plastic parts on demand.

What is Rapid Injection Molding?

Rapid injection molding is a manufacturing technique that uses injection molding to produce parts quickly and inexpensively. Instead of creating a mold from scratch, rapid injection molding uses pre-existing molds that can be modified to create more specific parts. The molds are designed and produced using computer-aided design (CAD) software, then 3D printed or CNC machined for production.

How Does Rapid Injection Molding Work?

The process of rapid injection molding involves several steps. First, a CAD model of the desired part is created. This model is then sent to a manufacturer, who uses the CAD data to design a mold. The mold is then created using 3D printing or CNC machining.

Once the mold is complete, it is mounted into an injection molding machine. The machine injects molten plastic into the mold, which then cools and solidifies. The mold is opened, and the finished part is ejected. This process is repeated until the desired quantity of parts is produced.

Advantages of Rapid Injection Molding

1. Speed: Rapid injection molding is a fast process that can produce parts within a matter of days. This makes it an ideal process for companies that require custom parts on short notice.

2. Low Cost: Rapid injection molding is a cost-effective process that helps keep manufacturing expenses low. This is because it uses pre-existing molds, which are less expensive than creating a mold from scratch.

3. High-Quality: The parts produced using rapid injection molding are of high quality, with consistent dimensions and a smooth surface finish. This makes them suitable for a wide range of applications.

Disadvantages of Rapid Injection Molding

1. Limited Materials: Rapid injection molding is limited to specific types of materials, such as plastics, and is not suitable for all types of materials.

2. Limited Part Size: The size of the parts that can be produced using rapid injection molding is limited by the size of the pre-existing molds.

3. Limited Part Quantity: Rapid injection molding is not suitable for producing large quantities of parts, as the molds used in the process are not designed for long-term use.

Applications of Rapid Injection Molding

Rapid injection molding is used in a wide range of industries, including automotive, consumer goods, electronics, and medical devices. It is most commonly used to produce prototypes and low-volume production runs.

In the automotive industry, rapid injection molding is used to produce custom plastic parts for vehicles. In the consumer goods industry, it is used to produce custom packaging and product components. In the electronics industry, it is used to produce custom casings for electronic devices. In the medical device industry, it is used to produce custom parts for equipment and tools.

Conclusion

Rapid injection molding is a manufacturing process that has revolutionized the way custom plastic parts are produced. It is a fast, cost-effective, and high-quality process that has found applications in a wide range of industries. With the ability to produce parts on demand, rapid injection molding is an ideal process for companies that require custom parts quickly and efficiently.

rapid injection molding wiki

On-demand Rapid Injection Molding

Sigma’s rapid tooling service helps you to have the low volume to large volume plastic parts done, with no compromise on the material selection.

  • No MOQ required
  • Get the rapid tooling as fast as 2 weeks
  • Free DFM
  • 24/7 engineering support

Our rapid injection molding Application

Sigma Technik Limited's rapid injection molding service injects molten plastic materials into molds using injection molding machines and molds, and cools and solidifies them over a certain period of time, ultimately forming the required plastic parts. This manufacturing process is usually suitable for producing small and medium-sized plastic parts, which can obtain high-quality and precise parts in a short period of time.

Plastic Injection Molding

Injection molding is a common manufacturing process to produce low volume to large volumes of parts typically made out of plastic. The process involves injecting molten material into a mold and letting it cool to a solid-state.

Liquid Silicone Rubber Molding

Liquid Silicone Rubber is known as LSR, which is a process used to produce parts made from silicone rubber, widely used create products such as medical devices, automotive parts, baby care products, and many others.

2K Injection molding

2K injection molding is a manufacturing process in which two different types of plastic materials are molded together in a single operation to create a single homogeneous component. This process allows for efficient and cost-effective production of high-quality parts that can perform unique functions.

Overmolding and Insert Molding

Overmolding / Insert molding combines two or more materials into a single part, one of the material is usually soft and flexible, or metal. The purpose of overmolding/insert molding is to add functionality, improve grip, provide protection, or enhance aesthetics.

Mission And Vision

Rapid injection molding materials

ABS

ABS is a type of plastic with high strength, hardness, and toughness. It has good impact resistance and wear resistance, and is suitable for manufacturing shells, components, and models.

PC

PC is a transparent, high-strength, high-temperature resistant, and excellent electrical insulation material. It is suitable for manufacturing transparent components, electronic components, and automotive components.

PP

PP is a relatively flexible material with excellent corrosion resistance and high temperature resistance. It is suitable for manufacturing containers, pipelines, baby bottles, etc.

PA

PA is a material with high strength, high rigidity, and wear resistance. It is suitable for manufacturing gears, bearings, brackets, etc.

POM

POM is a material with excellent wear resistance, toughness, and rigidity. It is suitable for manufacturing gears, bearings, pulleys, etc.

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About Us

What can we do?

Sigma Technik Limited, as a prototype production company and rapid manufacturer focusing on rapid prototyping and low volume production of plastic and metal parts, has advanced manufacturing technology, one-stop service, diversified manufacturing methods, on-demand manufacturing services and efficient manufacturing processes, which can provide customers with high-quality, efficient and customized product manufacturing services and help customers improve product quality and market competitiveness.

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Rapid Injection Molding Service Application

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Rapid Injection Molding FAQs

Burrs appear on the surface of the product, which affects its aesthetics and safety. The solution can be to adjust the parameters of the injection molding machine, such as temperature, pressure, speed, etc., or to perform post-processing, such as polishing, sandblasting, etc.

The warping deformation of the product is usually caused by unstable parameters such as temperature and pressure of the injection molding machine, or improper mold design. The solution can be to adjust parameters such as temperature and pressure, or to redesign the mold.

The occurrence of bubbles inside the product may be due to the high temperature of the injection molding machine and the high moisture content of the material. The solution can be to reduce the temperature of the injection molding machine, adjust the water content of the material, increase the pressure of the injection molding machine, etc.

The product size deviation is too large, which may be caused by material thermal expansion, mold deformation and other reasons. The solution can be to adjust parameters and optimize mold design based on material characteristics.