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Output Shaft, Lever & Cover

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Output Shaft, Lever & Cover
Benefit: Increased Component Complexity
Main Forming Process: Metal Injection Moulding
End Use Sector: Power Tools


Made from 4605 low-alloy steel, the three parts are made close to net shape, with only a few secondary operations performed to achieve close tolerances. The output shaft is a complex part with three small holes at 120deg inter crossing each other, and thin wall thickness in the cover part and close GD&T makes them good parts for MIM .As MIM is able to produce 3 parts of 5 part assembly and make the supply chain lean, MIM is a sustainable process. These 3 parts get assembled in the Dremel tool. This is called as “Quick Change Assembly” since one can change any tool bit within seconds. The tool will run at 35000 rpm.

Component Specification

Density (g/cm3): 7.65
Tensile Strength (MPa): 1550
Yield Strength (MPa): 1400
Elongation (% strain): 3
Hardness (HRC): 42-48

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