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自行车U形车架立管扩孔机设计
引用本文:刘有毅,谈理.自行车U形车架立管扩孔机设计[J].上海应用技术学院学报,2008,8(4).
作者姓名:刘有毅  谈理
作者单位:上海应用技术学院机械与自动化工程学院
摘    要:针对自行车U形车架立管上的鞍管安装孔加工前后壁厚变化率较大,工件容易在加工过程中发生变形并影响成品精度等问题,通过对加工特点的分析,提出了创新设计的夹口平行移动的夹具和转动限制器。采用夹口平行移动的夹具减小了工件的锥状变形;增加工件转动限制器,减小了夹具所承受的扭矩,从而减小了工件变形量,保证了成品的精度。

关 键 词:自行车立管  扩孔机  平行移动夹口  转动限制器

Design of a Reamer Machine for the Standpipe in the U-shaped Frame of the Bicycle
LIU You-yi,TAN Li.Design of a Reamer Machine for the Standpipe in the U-shaped Frame of the Bicycle[J].Journal of Shanghai Institute of Technology: Natural Science,2008,8(4).
Authors:LIU You-yi  TAN Li
Institution:LIU You-yi,TAN Li (School of Mechanical , Automation Engineering,Shanghai Institute of Technology,Shanghai,200235,China)
Abstract:As the saddle-fit hole of standpipe in the U-shaped frame of the bicycle,there is more variance rate of its thickness after machine-cutting.Then the saddle-fit hole is easily deformed in cutting process and its precision is descended.By analyzing the properties of processing feature,the present paper introduces a novel jig with a parallel moving grip and a restricted rotation stopper.The jig decreases taper-deformation of the saddle-fit hole,and the stopper reduces the torque exerted on the jig,thus realizi...
Keywords:standpipe of bicycle  reamer machine  parallel moving grip  restricted rotation stopper  
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