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Metal injection molding MIM has entered our life


 

Date:[2023/12/11]
 

Powder metallurgy metal inject🌳ion molding MIM has entered your life, maybe you are not aware, but it is happening in some way and exists in our daily life.

Medical and dental applications

Orthodontic stent parts, surgical instruments, implantable MIM parts, implantable implant parts ...

Application in the automotive industry

The rocker arm of the engine, the shift lever, the blades of the turbocharger ...

Application in IT, electronic instrument and 🐷communication

Fiber optic parts, cold plates and radiators, mobile phone parts ...

Application in shipbuilding and 🍰aeros♓pace industry

Seat belt parts, oil outlet valve compression seat, passenger plane flap spiral seal, rocket burner device ...

Application in consumer products

Watch case and related parts, glasses parts, camera tripod body, MIM guitar tuner cover ...

Application in military products and defense

The trigger of the gun, the rotor of "safety and opening safety", the pistol is bent up to clamp the safety parts ...

Application in other fields

……

The MIM process mainly includes 8 important aspects of product design, mold design, quality inspection, mixing, molding, degreasing, sintering, secondary processing, etc., which determines whether surface treatment is required for product characteristics.

MIM process flow chart

The following is the analysis of the production process of parts from the four unique processing s𒊎teps of MIM (mi🐻xing, forming, degreasing and sintering).

One, mixed

Fine metal powder an💮d thermoplastic, paraffin binder are mixeꦿd in precise proportions.

Second, molding

The granular raw material is fed into the machine forꦅ heatꦑing and injected into the mold cavity under high pressure to form a blank.

Three, skim

Degreasing is the proces꧑s of removing the center of the molded part. This process is usually completed in several steps. Aftꦇer solvent extraction of some joints, the remaining bond is removed by thermal debonding. When debonding, control the carbon content in the batch and reduce the oxygen content.

Fourth, sintering

The high density of MIM parts is achieved by high sintering temperature and long sintering time, thus♛ greatly improving and improving the m൩echanical properties of the parts materials.