Method for the production of a hardened guide shaft for a linear

Details Method for the production of a hardened guide shaft for a linear Method for the production of a hardened guide shaft for a linear

1991-02-13

1993-09-07

Dean, R.

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148573, 298933, 74498, 219 1043, 219 1059, C21D 110, C21D 928

Patent

active

052425142

ABSTRACT:
A method for the production of a hardened guide shaft for linear guide is disclosed, in which teeth are formed in a shaft, which is then passed through a circular inductor without rotation. The magnetic flux of the circular inductor is controlled to reduce the flux in the area of the teeth, thereby hardening the teeth without overheating them. The remainder of the shaft is hardened through a magnetic flux greater than that supplied to the teeth area.

REFERENCES:
patent: 2299934 (1942-10-01), Sherman et al.
patent: 3236993 (1966-02-01), Jones
patent: 4021274 (1977-05-01), Chadwick
patent: 4571982 (1986-02-01), Bishop et al.
patent: 4820357 (1989-04-01), Davison et al.
patent: 4855556 (1989-08-01), Mucha et al.
Metals Handbook 9th Ed, vol. 4; pp. 451-452; 467-468 Nov. 1981.

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