Custom Parts Metal Injection Molding MIM Process for Machinery Parts OEM

• Certification: GB/T28001, ISO14000, ISO9001
• Binder Type: Thermosetting Binder
• Powder Type: MIM
• OEM: Yes
• Metal Fabrication: Stainless Steel , Copper , Aluminum , Iron
• Transport Package: Air Bubble Bag, Carton
• Model NO.: Molding Parts
• Specification: customized
• Origin: China
• Production Capacity: 500, 000pieces /Month

Product Description

We offer OEM metal parts & accessories for  electornic appliances , mechanical device machine parts through metal injection molding process , powder injection molding. 
Metal injection molding mim factory for custom sintering steel parts .
Metal injection molding is an advanced metal forming technique that uses injection molding equipment for manufacturing both simple and complex metal parts to tight tolerances. The MIM process can replace other metal forming techniques such as investment casting and machining.Metal injection molding (MIM) is a hybrid technology which integrates the shaping capability of plastic injection molding and materials flexibility of conventional powder metallurgy.
he MIM process is typically explained as four unique processing steps (Compounding, Molding, De-binding, and Sintering) to produce a final part.

Step 1:  Feedstock 

• Very fine metal powders are combined with thermoplastic and wax binders in a precise recipe. A proprietary compounding process creates a homogenous pelletized feedstock that can be injection molded just like plastic. This achieves ultra-high density and close tolerances over high-production runs. 

• Unlike standard powder metallurgy, which can achieve only 80-90% of theoretical density, MIM results in 95-100%. This means we can achieve close tolerances and reduce costs by producing small, complex parts over high production runs.

Step 2: Molding

• The feedstock is heated and injected into a mold cavity under high pressure. This enables us to produce extremely complex shapes and allows for shorter cycle times.
• Once molded, the component is referred to as a "green" part. Its geometry is identical to the finished piece but is about 20% larger to allow for shrinkage during the final sintering phase.

Step 3: Debinding

• Binder removal (debinding) involves a controlled process to remove most of the binders and prepare the part for the final step - sintering.
• Once debinding is complete, the component is referred to as "brown."

Step 4: Sintering 

• The brown part is held together by a small amount of the binder, and is very fragile.
• Sintering eliminates the remaining binder and gives the part its final geometry and strength.
• During sintering, the part is subjected to temperatures near the melting point of the material.

The advantages of  Powder metallurgy, metal injection molding for metal fabrications :

• greater complexity, thinness, hardness, density and design flexibility, particularly for smaller sized components; 
• better mechanical properties and strength compared with CNC machining and casting; 
• more efficient than CNC machining, as less waste material is generated during the process, much of which can be recycled or re-used;
• better surface finishing compared with casting and traditional forging; 
• wider application to various metals and advanced materials, such as ceramics.

Customized metal parts specification

 

Product type	custom made sintered steel parts , precision components, cnc machinery processing parts ,metal injection molding MIM parts ,Titanium parts ,custom stainless steel parts , Sintered spare parts ,tungsten alloy parts
Material	Aluminum(6061,6063,7075...), Stainless Steel(301,302,303,304...), Brass, Copper, metal sheetl
Process	Metal injection molding , powder metallurgy , machining
Treatment	Powder Costing,Chroming,Electropolishing ,Blackening Galvanized,Painting,Anodizing,Laser Cutting,Texture, Sanblasting,Polishing , Silk Screening
Tolerance	±0.3%
Drawing format	DWG ,IGS , STP
Delivery time	20 days for mass production

Welcome OEM /ODM metal injection molding MIM parts fabrication.

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