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Dong Hai

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Master Tutor

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

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Honor 2019Previously Honored and Elected:
大连理工大学2018教学质量优良奖; 2017Previously Honored and Elected:
大连理工大学2016教学质量优良奖; 2016Previously Honored and Elected:
2014-2015学年优秀班主任; 2016Previously Honored and Elected:
大连理工大学2015教学质量优良奖; 2015Previously Honored and Elected:
大连理工大学2014年教学质量优良奖; 2014Previously Honored and Elected:
大连理工大学2013年教学质量优良奖; 2012Previously Honored and Elected:
大连理工大学2011年教学质量优良奖; 2008Previously Honored and Elected:
机械工程学院2008年教学质量优秀奖

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PCD刀具加工氮化硅陶瓷孔的试验研究

Release Time:2019-03-10 Hits:

Indexed by:Journal Article

Date of Publication:2017-03-01

Journal:金刚石与磨料磨具工程

Included Journals:Scopus

Volume:37

Issue:1

Page Number:61-65,73

ISSN:1006-852X

Key Words:氮化硅陶瓷;去除机理;切削力;表面粗糙度

Abstract:使用PCD刀具对氮化硅陶瓷内孔进行切削试验,首先研究氮化硅陶瓷材料的去除机理,主要包括脆性去除和塑性去除,且以脆性去除为主.其次,研究刀具前角、切削速度、背吃刀量和进给量对切削力的影响.结果表明:刀具前角对切削力的影响不明显;随切削速度、背吃刀量和进给量的增加,切削力均增大,且背向力大于进给力和主切削力.最后,重点研究各参数对内孔侧壁表面粗糙度的影响.结果表明:进给量对表面粗糙度的影响最显著,其次是背吃刀量和切削速度,刀具前角几乎没有影响,且当刀具前角为-5°,切削速度为32.97 m/min,背吃刀量为0.10 mm,进给量为0.08 mm/r时,可以得到较好的表面粗糙度和刀具寿命的综合效益.

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