工具技术
工具技術
공구기술
TOOL ENGINEERING
2014年
10期
49-51
,共3页
毕俊青%徐怀政%阎建慧%王宝玲%杨聚侠%冯小磊%谢申伟
畢俊青%徐懷政%閻建慧%王寶玲%楊聚俠%馮小磊%謝申偉
필준청%서부정%염건혜%왕보령%양취협%풍소뢰%사신위
大直径孔%重型镗刀%主刀桥%有限元分析
大直徑孔%重型鏜刀%主刀橋%有限元分析
대직경공%중형당도%주도교%유한원분석
large diameter hole%heavy boring cutter%main tool bridge%finite element method
大直径重型镗刀是保证大直径孔加工精度的关键工具。结合生产实际，设计了重型镗刀关键件主刀桥的结构形式。利用有限元分析了主刀桥的刚性，设计了一种新型的主刀桥。研究结果表明，与国外同类镗刀相比，该镗刀具有较好的刚性，能够满足加工精度的要求。
大直徑重型鏜刀是保證大直徑孔加工精度的關鍵工具。結閤生產實際，設計瞭重型鏜刀關鍵件主刀橋的結構形式。利用有限元分析瞭主刀橋的剛性，設計瞭一種新型的主刀橋。研究結果錶明，與國外同類鏜刀相比，該鏜刀具有較好的剛性，能夠滿足加工精度的要求。
대직경중형당도시보증대직경공가공정도적관건공구。결합생산실제，설계료중형당도관건건주도교적결구형식。이용유한원분석료주도교적강성，설계료일충신형적주도교。연구결과표명，여국외동류당도상비，해당도구유교호적강성，능구만족가공정도적요구。
Heavy boring cutter with large diameter is a key tool for ensuring the machining accuracy of large diameter hole.The structure of main tool bridge as a key component of heavy boring cutter is designed;the rigidity of the main bor-ing bar is analyzed by using the finite element method.And a new main tool bridge is designed.The research result shows that it has good rigidity and is able to meet the demand of machining accuracy,compared with similar boring cutter from a-broad.
