Metal-working tools with augmented conductivity

Details Metal-working tools with augmented conductivity Metal-working tools with augmented conductivity

1985-04-30

1985-11-26

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

Tool of specific diverse material

407119, 408230, 409136, B23C 5102, B23C 5106

Patent

active

045552045

ABSTRACT:
A metal-working tool with augmented electrical and thermal conductivity. In a metal-working tool, such as a drill bit 10, having at least one groove 14 behind a cutting edge 34, a coating 12 is placed on the surface of the groove 14. The coating 12 is formed from a material having a higher electrical conductivity than the material from which the bit 10 is formed and, preferably, the coating material also has a higher thermal conductivity. The coating 12 reduces the resistance of the bit 10, thereby reducing the heating of the cutting edge 34. The improved thermal conductivity also reduces the heating of the cutting edge 34.

REFERENCES:
patent: 2240840 (1941-05-01), Fischer
patent: 2537818 (1951-01-01), Evans
patent: 3945807 (1976-03-01), Fukutome

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