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The Advantages and Limitations of Metal Injection Molding 17-4PH

Metal Injection Molding (MIM) is a manufacturing process that involves the production of complex metal parts with high accuracy, consistency, and precision. With the increasing demand for high-performance metal parts, MIM has become an increasingly popular choice for many industries, including aerospace, automotive, and medical. One of the most widely used materials in MIM is 17-4PH stainless steel, which is a precipitation-hardening grade that offers excellent corrosion resistance, tensile strength, and hardness.

Advantages of MIM 17-4PH:

1. High strength and toughness- 17-4PH stainless steel has high strength and hardness which makes it ideal for industrial applications. Additionally, it has good toughness which makes it durable and resistant to wear and tear.

2. Corrosion resistance- 17-4PH stainless steel can resist corrosion due to the presence of chromium in its composition. This makes it ideal for industries such as aerospace, where parts are exposed to harsh environments like saltwater or acidic gases.

3. High Precision- MIM is an excellent method for producing complex parts with high precision. The process allows for the formation of intricate shapes and tight tolerances with excellent surface finish.

4. Cost-effective- MIM is a cost-effective method of producing complex parts. The process offers low material waste and can produce many parts in a single run, increasing efficiency and reducing overall costs.

Limitations of MIM 17-4PH:

1. Size limitations- MIM has size limitations due to the feedstock used. The process is not suitable for producing large parts, which may require other methods such as traditional machining or casting.

2. Surface finish- MIM is not suitable for parts requiring high surface quality since it is prone to shrinkage and distortion during the cooling process. However, secondary operations like polishing and surface treatment can be carried out to improve the surface finish.

3. Production complexity- MIM is a complex process that requires skilled personnel and specialized equipment. This can result in longer lead times and higher set-up costs.

Conclusion:

In conclusion, MIM is a viable method for the production of 17-4PH stainless steel parts with high strength, precision, and corrosion resistance. Despite its advantages, MIM has some limitations that should be taken into consideration when choosing a manufacturing method. The limitations include size, surface finish, and production complexity. Overall, MIM is an excellent option for producing small to medium-sized, complex parts in a cost-effective and efficient manner.

metal injection molding 17 4ph

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.

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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.