MAKING METHOD AND APPARATUS OF BEARING RACE

This device includes continuous pre-heating furnace(20), high-frequency bar(30), dropping guard plate(40) of zigzag shape, feed conveyor(50)(60). This bearing race(10) provides a good crack prevention, and edge and surface(12) damage prevention of heat treated part(100) and tap hole(11), by setting...

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Bibliographic Details
Main Author PARK, JANG-SEO
Format Patent
LanguageEnglish
Published 04.11.1996
Edition6
Subjects
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Summary:This device includes continuous pre-heating furnace(20), high-frequency bar(30), dropping guard plate(40) of zigzag shape, feed conveyor(50)(60). This bearing race(10) provides a good crack prevention, and edge and surface(12) damage prevention of heat treated part(100) and tap hole(11), by setting several bearing races(10) in the upper direction of tap hole(11) on the feed conveyor(50), pre-heating the body of bearing race at 180 to 200deg.C, and continuous high frequency heating (annealing) the upper part with tap hole(11) by high frequency bar on the feed conveyor(60).
Bibliography:Application Number: KR19940013137