OEM Stainless Steel Parts for Machinery Engine Parts

• Customization: Available
• Certification: GB/T28001, ISO14000, ISO9001
• Binder Type: Thermosetting Binder
• Model NO.: Steel Parts
• Powder Type: MIM
• OEM: Yes
• Metal Fabrication: Stainless Steel , Copper , Aluminum , Iron
• Transport Package: Air Bubble Bag, Carton
• Specification: customized size
• Origin: China
• Production Capacity: 50, 000pieces /Month

Product Description

We offer OEM steel parts & accessories for  electornic appliances , mechanical device machine parts through metal injection molding process , powder injection molding. 
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.
Metal injection molding mim parts process 

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 design freedom
With MIM, parts can be designed and manufactured with minimal design restrictions. In addition, almost all design changes are possible within the shortest development cycle and turnaround time.
Complex and intricate shaped parts
MIM is ideal for producing complex-shaped components as well as parts that require assembly or multiple steps to put together.
Miniaturization
MIM technology is the best viable process for producing miniature parts economically.
High production requirements
MIM is most beneficial in high volume production of small precision parts with complicated design geometry. The process lends itself to automation where high volumes and consistent quality are required.

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
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

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