Method of induction-hardening a rolling-element bearing ring

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12258642
APP PUB NO 20230220505A1
SERIAL NO

18120610

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Importance

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Abstract

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A method of induction hardening a bearing ring includes positioning first and second inductors at a start zone on the bearing ring and a preheat inductor in an end zone on the bearing ring spaced one hundred eighty degrees from the start zone. A first traversing element moves the first inductor circumferentially from the start zone toward the end zone along a first half of the bearing ring circumference while the first inductor heats the bearing ring, and a second traversing element moves the second inductor circumferentially from the start zone toward the end zone along a second half of the bearing ring circumference while the second inductor heats the bearing ring. A third traversing element moves the preheat inductor circumferentially within the end zone so as to traverse a portion of each half of the bearing ring circumference while the preheat inductor heats the end zone.

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Patent Owner(s)

Patent OwnerAddress
AKTIEBOLAGET SKFGOTHENBURG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pedrotti, Klaus Münnerstadt, DE 2 0

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