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Metal Injection Molding

15 Verified Suppliers

Advanced Forming Technology, Inc. Longmont, CO

California Standoff, Inc. Paso Robles, CA

Indo-MIM, Inc. San Antonio, TX

Leggera Technologies, LLC Holly, MI

Liquidmetal Technologies, LLC Rancho Santa Margarita, CA

Liquidmetal Technologies, LLC Humble, TX

Liquidmetal Technologies, LLC Florence, AZ

NOV Hydra Rig Fort Worth, TX

OptiMiM, LLC Wilsonville, OR

Parmatech Corporation Petaluma, CA

Phillips-Medisize, LLC Menomonie, WI

Phillips-Medisize, LLC Eau Claire, WI

Rockleigh Industries, Inc. Rockleigh, NJ

Ruger Precision Metals Earth City, MO

Smith Metal Products Center City, MN

Metal injection molding (MIM) is a manufacturing process that combines the versatility of plastic injection molding with the strength and integrity of metal. This process involves mixing metal powders with a binder material to create a feedstock that can be injected into a mold. The process begins with the preparation of the feedstock, which consists of fine metal powders and a thermoplastic binder. The mixture is heated and injected into a mold cavity under high pressure, forming a 'green part.' This part is then subjected to a debinding process to remove the binder, typically through thermal or solvent methods. The final step is sintering, where the debound part is heated to a temperature below the melting point of the metal, causing the particles to bond and densify, resulting in a solid metal component.

MIM is suitable for producing small, complex parts with high precision and excellent surface finish. It allows for the production of intricate geometries that would be difficult or impossible to achieve with traditional metalworking techniques. The process is highly efficient for high-volume production runs, as it reduces material waste and minimizes the need for secondary machining operations.

Materials commonly used in metal injection molding include stainless steel, titanium, copper, and various alloys. These materials provide the necessary mechanical properties and corrosion resistance required for different applications. MIM parts find applications in various industries, including automotive, aerospace, medical, consumer electronics, and firearms. In the automotive industry, MIM components are used in fuel systems, turbochargers, and transmission parts. The aerospace sector utilizes MIM for producing lightweight, high-strength components. In the medical field, MIM is used to manufacture surgical instruments and orthodontic appliances. Consumer electronics benefit from MIM's ability to produce small, intricate parts for devices such as smartphones and laptops. The firearms industry uses MIM for producing components like triggers and hammers.

Overall, metal injection molding offers a cost-effective solution for manufacturing complex metal parts with high precision and repeatability, serving a wide range of industries with diverse applications.