Method and apparatus of quench hardening of gear teeth surfaces

Details Method and apparatus of quench hardening of gear teeth surfaces Method and apparatus of quench hardening of gear teeth surfaces

1991-06-17

1993-05-25

Dean, R.

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148574, 148586, 148588, 148903, 266125, 266126, 266249, 219 1043, 219 1059, H05B 614

Patent

active

052136361

ABSTRACT:
A method for induction heating and quench hardening of helical gears provides a hardness pattern uniformly distributed to a controlled depth across and between the teeth surfaces by means of axial scanning of the workpiece and uniform quenching. Uniform quenching is achieved by directing jets of quench fluid at the workpiece toothed surface at angles horizontally offset from the radial direction.

REFERENCES:
patent: 4675488 (1987-06-01), Mucha et al.
patent: 4757170 (1988-07-01), Mucha et al.
patent: 4894501 (1990-06-01), Pfaffman et al.

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