Process for producing surface remelted chilled layer camshaft

Details Process for producing surface remelted chilled layer camshaft Process for producing surface remelted chilled layer camshaft

1987-11-30

1988-11-29

Rutledge, L. Dewayne

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148903, 148904, C21D 930

Patent

active

047879440

ABSTRACT:
In a process for producing a surface remelted chilled layer camshaft by using a high density energy irradiation and self-cooling, a cam is rotated around the center axis of the camshaft and a position of a torch for the irradiation (e.g., a TIG arc torch) is controlled so as to form an angle between a tangential line of the cam surface and a horizontal line at a melting position in a lower side of the horizontal line in a direction opposite to the camshaft rotation direction being from 30.degree., preferably 20.degree., to zero degree.

REFERENCES:
patent: 4147335 (1979-05-01), Heck
patent: 4312685 (1982-01-01), Riedl

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