2、要夹具设计方法。经设计的CA6140主轴较其传统的车床主轴有更高的强度和回转精度。关键词: 车床;主轴;旋转运动;公差;夹具ABSTRACT Inmachineryfield,the lather isthe mostextensivelyand frequentlyused machine.Easpeciallythe CA6140 lather,itsapplicationisverywidespread.Soitsprocessing accuracy isveryimportant.Whether the workpiece c
3、an reachthe accuracy required isdecided bythe lather.While, the part deciding the processing quality ofCA6140 lather isitsmainshaft.The mainshaft ofthe CA6140 lather istotransmitthe rovolve motionand the torque to the workpiece and cuttingtoolthroughthe fixture onthe end
4、 ofmainshaft,in whichhighstrenghand rotating accuracyare required .Inthisdesign,myjobcontainsthe thingsasbelow.Mainshaft isa hollow stepped shaft.There are functionalslotsand thread,suchasspline,pad keyand soon.Inthe paper,allowance,cutting consumptionand toleranceare ca
5、lculated.Alsoelaboratesthe craft processesofthe mainshaftofCA6140 lather,and the designofimportant fixture.After being designed, compared withtraditionallather,the strengthand rotating accuracyare enhanced.Key words:Lather;Mainshaft;Rotating Movement;Tolerance;Fixture 目录