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S195柴油机机体三面精镗组合机床总体设计及夹具设计   论文
双击自动滚屏 文章来源:   发布者:jsjlw99   发布时间:2009/7/6 12:42:14   阅读:1410
摘     要
 
夹具设计是机械制造厂里的一种工艺装备,有机床夹具,焊接夹具,装配夹具,检验夹具等,一般的机床夹具是作为机床的辅助机构设计的,而组合机床夹具是作为机床的主要组成部分,其设计工作是整个组合机床设计的重要部分之一。组合机床夹具应便于实现定位和夹压的自动化,并有动作完成的检查信号。夹具体在机床上的安装都是通过夹具体上的安装基面与机床上的相应表面的接触或配合实现的。当夹具体在机床工作台上安装时,夹具的重心应尽量低,重心越高则支承面应力越大,夹具底面四边应凸出,使其接触良好,或底部设置四个支脚。当夹具体在机床主轴上安装时,夹具安装基面与主轴相应表面应有足够的配合精度,并保证安装稳定可靠。
 
 
 
关键词:  夹具设计  组合机床   总体设计    
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Abstract

Tongs design is a kind of craft that machine manufactory in equip, organism bed tongs, welding tongs, assemble tongs, examination tongs etc., the general machine bed tongs is an assistance to be used as the machine bed organization design of, but the combination machine bed tongs is an importance to be used as the machine bed to constitute the part primarily, its design work is whole combination machine bed design part of a. Combination the machine bed tongs shoulds be easy to realize fixed position with clip the automation that press, also the check signal that action complete. The tongs all passes in the machine the gearing on the bed what tongs the gearing on realizes with superficial contact in the cowgirl on the bed in machine or matches.When the tongs installs in the machine bed work on the stage, the center of gravity of the tongs should be as far as possible low, center of gravity the more high an accepts should the dint is more big, the tongs bottom four directions should bulge, make its contact good, or the bottom establishes four a feets.When the tongs installs on the machine bed principal axis, the tongs install the  to should have the enough match accuracy with principal axis cowgirl surface, and guarantee the gearing the stability dependable.
 
 
 
Keywords: tongs   combination the machine bed   clip the automation

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