车床后托架加工专用夹具的设计  

Design of Special Fixture for Processing of Rear Bracket of Lathe

作　　者：霍洪升 董淑婧[1] 梁张利 Huo Hongsheng;Dong Shujing;Liang Zhangli

机构地区：[1]大连科技学院机械工程学院,辽宁大连116052

出　　处：《机械制造》2021年第1期66-68,80,共4页Machinery

摘　　要：在车床后托架加工中,需要镗直径为40 mm、30.2 mm、25.5 mm的三个孔。对此,设计了一套专用夹具。介绍了专用夹具的定位方案和夹紧方案,计算了切削力和夹紧力,并给出了辅助支撑。这一专用夹具采用液压原理,结构简单紧凑,操作安全可靠,加工效率高。In the machining of the rear bracket of lathe,three holes with diameters of 40 mm,30.2 mm,and 25.5 mm need to be bored.For this,a special fixture was designed.The positioning scheme and clamping scheme of the special fixture ware introduced,the cutting force and clamping force were calculated,and the auxiliary supports were given.This special fixture adopts hydraulic principle,it is simple and compact in structure,safe and reliable in operation with high machining efficiency.

关 键 词：车床 后托架 加工 夹具 设计 

分 类 号：TH122[机械工程—机械设计及理论]