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Exploring the Top Metal Injection Molding Companies in the USA: A Comprehensive Guide

When it comes to producing complex metal parts with high precision and accuracy, metal injection molding (MIM) is one of the top methods used today. As a form of powder metallurgy, MIM utilizes a combination of plastic injection molding and sintering to produce small to medium-sized parts with complex geometries, including those with thin walls, undercuts, and internal cavities.

In the United States, there are several companies that specialize in metal injection molding, each with their unique capabilities, expertise, and market focus. In this article, we'll take a closer look at some of the top MIM companies in the USA, examining their capabilities, certifications, quality control measures, and customer success stories.

1. Indo-MIM

Indo-MIM is a global leader in metal injection molding, with its headquarters located in San Antonio, Texas. The company has over 20 years of experience in MIM and offers a wide range of alloys, including stainless steel, titanium, and cobalt-chrome. Indo-MIM also has extensive in-house capabilities, including design and engineering, prototyping, machining, and assembly. The company services various industries, including medical, aerospace, and defense.

2. Phillips-Medisize

Phillips-Medisize, a Molex Company, is a leading provider of MIM solutions based in Hudson, Wisconsin. The company offers a full suite of MIM services, including design for manufacture, tooling, molding, sintering, and finishing. Phillips-Medisize has a strong reputation for quality and innovation, with a focus on medical device applications.

3. ARC Group Worldwide

ARC Group Worldwide is a global advanced manufacturing and 3D printing solutions provider, with its headquarters located in Florida. The company has over 25 years of experience in MIM and offers a range of metal alloys, including stainless steel, copper, and tungsten. ARC Group also has capabilities in other additive manufacturing technologies, such as metal 3D printing and injection molding.

4. Deco Products Company

Deco Products Company is a MIM solutions provider based in Decorah, Iowa. The company offers a range of alloys, including brass, copper, and stainless steel, and specializes in producing small to medium-sized parts with complex geometries. Deco Products Company has a strong focus on customer satisfaction and quality control, with a dedicated team of engineers on-site.

5. Smith Metal Products

Smith Metal Products is a MIM solutions provider based in Irving, Texas. The company has over 30 years of experience in MIM and offers a variety of alloys, including magnesium, titanium, and hastelloy. Smith Metal Products serves various industries, including automotive, aerospace, and telecommunications, and has a strong focus on innovation and continuous improvement.

In conclusion, metal injection molding is a highly effective method for producing complex metal parts with high precision and accuracy. With a range of MIM companies available in the USA, each with their unique capabilities and expertise, it's essential to choose the right partner for your project's success. By examining the companies' profiles, capabilities, customer success stories, and quality control measures, you can make a more informed decision when selecting an MIM partner.

metal injection molding companies usa

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.