基本信息:
- 专利标题： 건설용 기계의 선회용 기어 제조 방법
- 专利标题（英）：Manufacturing method of turning gear for construction machine
- 专利标题（中）：工程机械转向架制造方法
- 申请号：KR1020120086280 申请日：2012-08-07
- 公开(公告)号：KR101424044B1 公开(公告)日：2014-07-28
- 发明人： 권병호
- 申请人： 주식회사 효림 에이치 에프
- 申请人地址： 경상남도 창원시 성산구 성산패총로 ** (성산동)
- 专利权人： 주식회사 효림 에이치 에프
- 当前专利权人： 주식회사 효림 에이치 에프
- 当前专利权人地址： 경상남도 창원시 성산구 성산패총로 ** (성산동)
- 代理人： 특허법인다래
- 主分类号： B21K1/30
- IPC分类号： B21K1/30 ; B21J5/12 ; B21J3/00
The present invention relates to a method for manufacturing the gear of the turning machine construction, its manufacturing method is a heating step for heating to prepare a raw material; Low height by pressing the raw material width is the upsetting step is formed in a wide state; The top and bottom to the upper groove and lower groove of said upsetting material is formed, and the intermediate wall formed between the upper groove and the lower groove, for forming a yebichi type which is preformed on the outer peripheral surface of the upsetting material It closed die forging step; Piercing step is the piercing hole formed by piercing the intermediate wall; after the hot forging step includes the subjected to the hot forging step, characterized in that it comprises a cold forging step for precisely forming a tooth profile by cold extrusion method using a hydraulic press It shall be. As that according to the manufacturing process by molding the pre-tooth profile in the hot forging step, and then precisely forming a tooth as a cold extrusion method using a hydraulic press, improve the precision of the tooth and also to increase the durability and value type processing times and raw material losses can be reduced can be used for turning of the gear for construction machinery effectively.
公开/授权文献:
- KR1020140020003A 건설용 기계의 선회용 기어 제조 방법 公开/授权日：2014-02-18