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Powder Metallurgy Gear

Powder Metallurgy Gear

To offer more material options, Yeh Der invested Aurora Powder Metallurgy Co., Ltd. in 2003 to manufacture powder metallurgy gears and parts. The strength of the powder metallurgy gears is much greater than plastic gears and the unit price is much lower than machining steel gears.


Advantages of the Powder Metallurgy
  • Cost-effective
  • Permits a wide variety of alloy products, components including iron powder, nickel powder, stainless steel powder, aluminum powder, copper powder, tin powder, zinc powder, etc.
  • Eliminates or minimizes machining by producing parts at, or close to, final dimensions
  • Provides controlled porosity for self-lubrication or filtration
  • Able to be heat-treated for increased strength or increased wear resistance
  • Facilitates manufacture of complex or unique shapes which would be impractical or impossible with other metalworking processes


Metalwork Comparison:

Process

Tooling
Cost

Unit
cost

Metal Options

Design Freedom

Volume
Production

Powder
Metallurgy

mid

low

high

mid

high

Machining

na

high

high

high

low

Injection
Molding

high

mid

high

high

high

Stamping

high

low

mid

low

high

Forging

high

mid

mid

low

high

Sand
Casting

low

mid

high

mid

low-mid

Investment Casting

mid

high

high

high

low-mid

Die Casting

high

low

low

high

high