发明名称 HIGH FREQUENCY HEAT TREATMENT METHOD OF RING-GEAR
摘要 <p>PURPOSE: A high-frequency heat treatment method for a ring gear is provided to implement continuous heat treatment by consecutively collecting a completed ring gear and placing a ring gear requiring heat treatment in a ring gear setting member. CONSTITUTION: A high-frequency heat treatment method for a ring gear comprises the steps of: placing a ring gear in a ring gear setting member(10) with a setting groove(12) at the top and threads at the bottom, rotating the ring gear setting member to implement high-frequency heat treatment, and pushing the ring gear setting member with a punching member(40) moved up and down by a cylinder(50) in order to separate the ring gear from the ring gear setting member.</p>
申请公布号 KR20120113353(A) 申请公布日期 2012.10.15
申请号 KR20110031021 申请日期 2011.04.05
申请人 PARK, JONG KYU;KIM, OK HEE 发明人 PARK, JONG KYU;KIM, OK HEE
分类号 C21D9/32;C21D1/10;C21D1/42 主分类号 C21D9/32
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