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Metal Injection Molding (MIM) Parts

Typical Clients: VW,FIAT
OEM No/Model: OEM
Market Type:OE Market
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Payment Terms: T/T
Minimum Order: 5000PCS

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Product Name:Metal Injection Molding (MIM) Parts

Metal Injection Molding (MIM) Parts

Product Description:

OEM No/Model: OEM
Metal Injection Molding or MIM, also called Powder Injection Molding or PIM, is a net-shape process for producing solid metal parts that combines the design freedom of plastic injection molding with material properties near that of wrought metals. With its inherent design flexibility, MIM is capable of producing an almost limitless array of highly complex geometries in many different alloys ranging from stainless steels, alloy steels, and soft magnetic materials, controlled expansion materials (low CTE), and custom alloys. Design and economic limitations of traditional metalworking technologies, such as machining and casting, can be readily overcome by MIM.

Today, MIM is serving critical performance applications in a wide range of industries and products including, automotive, aerospace and defense, cellular telephones, dental instruments, electronic heat sinks and hermetic packages, electrical connector hardware, industrial tools, fiber optic connectors, fluid spray systems, hard disk drives, pharmaceutical devices, power hand-tools, surgical instruments, and sporting equipment.

Process: Compounding Feedstock
Fine metal powders (generally <25 microns in diameter) are combined with a polymer binder system to form a feedstock suitable for injection molding. Kinetics' feedstock is compounded using specific binder and metal powder formulations to control consistency, quality, and dimensional repeatability of parts produced. Injection Molding
While standard plastic injection molding machines and molds are used to produce MIM parts, due to the presence of the polymer binder in MIM feedstocks, mold cavities are designed approximately 20% larger than the final part size. Like plastics, MIM molds may have multiple cavities, inserts, slides, unscrewing cores, and hot runner systems. Kinetics can help you determine the most cost effective tooling approach for your application from prototype to production. Debinding and Sintering
After molding, green parts are debound and sintered at temperatures up to 2,600°F. During debinding, the polymer binder breaks down and dissipates while the metal particles retain all of the molded features. The metal particles fuse together during sintering and the part shrinks approximately 20% to form a solid metal part.