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DALIAN UNIVERSITY OF TECHNOLOGY Login 中文
Dong Hai

Associate Professor
Supervisor of Master's Candidates


Gender:Male
Alma Mater:大连理工大学
Degree:Master's Degree
School/Department:机械工程学院
Discipline:Mechanical Manufacture and Automation. Mechatronic Engineering. Mechanical Design and Theory
Business Address:大连理工大学西部校区知方楼7116室
Contact Information:13322283820
E-Mail:donghai@dlut.edu.cn
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Current position: Home >> Scientific Research >> Paper Publications

钛合金切削加工中刀具寿命和刀具磨损的研究

Hits : Praise

Indexed by:期刊论文

Date of Publication:2010-07-20

Journal:工具技术

Included Journals:ISTIC

Volume:44

Issue:7

Page Number:16-19

ISSN No.:1000-7008

Key Words:Ti-6Al-4V;硬质合金刀具;PCD刀具;刀具寿命;刀具磨损

Abstract:钛合金是典型的难加工材料,提高钛合金的加工效率和刀具寿命是急需解决的问题.本文选用Ti-6Al-4V作为工件材料,选取两种小同的硬质合金和一种聚晶金刚石(PCD)作为刀具材料,对切削加工中刀具寿命和刀具磨损进行了试验研究.研究结果表明:PCD刀具寿命明显高于硬质合金刀具,在高速下优势尤其明显;两种硬质合金刀具低速下主要是粘结磨损,高速下主要是粘结磨损、扩散磨损和氧化磨损;PCD刀具主要是微崩刃和石墨化引起的沟槽磨损.