专利名称：THREAD ROLLING FLAT DIES 发明人：SUMIYA MASARU,HIKARI IWAO 申请号：JP7521586
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申请日：19860401s c
公开号：JPS62230445A
公开日：
公主殿下的love生活樱花中文翻译19871009
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ie是什么摘要：PURPOSE:To reduce the impact at biting time and to improve the partition accuracy of a work by forming the chamfering of a tooth height rising from the biting tooth end at both sides of the biting tooth group in ca of the plastic work of a gear, etc. on the surface of the body to be worked by using two rack shaped dies consisting of a biting tooth group, finishing tooth group and relief tooth group. CONSTITUTION:Chamfering 6, 7 are made on a biting tooth group A by forming the bitting tooth group A, finishing tooth group B and relief tooth group C on the thread rolling flat die having the tooth profile in rack shape which is subjected to the plastic work of a gear, etc. on the outer periphery of the cylindrical work body 2 and which is placed in opposition by pinching the work 2. The 1st tooth 9 is bitten in parallel and other chamfering teeth 6, 7 are simultaneously bitten onto the parallel cylindrical part of the work 2 when the 1st tooth 9 of the biting tooth group A is bitten on the outer periphery 3 of the work 2 with its whole face contact. The biting impact of the chamfering part is relieved along the chamfering tooth angle unlike the conventional article and with further rolling an ordinary biting becomes from a G part and on, and the thread rolling is completed with excellent accuracy via the finishing tooth group B and relief tooth group C.
my dream 英语作文申请人：NACHI FUJIKOSHI CORP 更多信息请下载全文后查看
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