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Tungsten Fishing Sinker's Manufacture Process

Tungsten fishing sinkers come in huge variety of shapes and sizes.However most tungsten fishing sinkers are small and complex.And tungsten metal is hard to be machined,the common remotion process could not make it perfect.But Metal Injection Molding (MIM) is an ideal manufacture process to making tungsten alloy fishing sinker.

What is Metal Injecion Moulding(MIM)?

Metal Injection Molding (MIM) is a growth technology for manufacturing complex-shaped,high-volume metal or alloy parts. Metal Injection Molding (MIM) parts can be produced from ferrous and non-ferrous metals and alloys.

The manufacture process for tungsten alloy fishing sinkder

Mix tungsten powder and binder

Injectiong mould the part

Debind the part

Sinter the part

The advantages of MIM

Density - Typically 95-98% of wrought material.

Mechanical Properties - Comparable to wrought alloys of similar composition.

Complexity - Geometries comparable to plastic injection molding.

Surface Finish - As processed, 32 rms or better.

Corrosion Resistance - Comparable to wrought alloys of similar composition.

Alloy Selection - Many ferrous, nickel-based and copper-based alloys available.

 

 

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