双偏心孔工件的专用夹具设计  

Special fixture design for double-eccentric-hole workpieces

作　　者：梁宇明[1] LIANG Yuming(Maoming Vocational and Technical College,Maoming 525000,CHN)

机构地区：[1]茂名职业技术学院,广东茂名525000

出　　处：《制造技术与机床》2021年第4期39-43,共5页Manufacturing Technology & Machine Tool

摘　　要：对双偏心孔零件在数控车床上的加工装夹进行了分析,阐述了双偏心孔工件专用夹具的相互定位与夹紧方式,以及专用夹具的制作工艺要求。为了平衡离心力,设置了平衡块,并详细分析和计算了平衡块的参数尺寸与质心坐标。经检验,达到了良好的效果。该夹具造价低、加工效率高及加工精度好,为企业带来了良好的经济效益。This paper analyzes the fabrication fixture of double-eccentric-hole parts on CNC lathes,and expounds the mutual positioning and clamping mode of the special fixture for double-eccentric-hole workpieces,as well as the requirements of craftsmanship for the special fixture.In order to balance centrifugal force,the counterbalance is set up,and the parameter dimensions and centroid coordinates of the counterbalance are analyzed and calculated in detail.Good results have been obtained through testing.The fixture cost is cheap,the processing efficiency is high,and the processing precision is good,which can bring good economic benefit for the enterprises.

关 键 词：双偏心孔零件 数控车床夹具 夹具定位 平衡块设置 

分 类 号：TH122[机械工程—机械设计及理论]