CA6140車床撥叉[831002] 加工工藝和鉆頂部M22螺紋孔夾具設(shè)計(jì),831002,CA6140車床撥叉[831002],加工工藝和鉆頂部M22螺紋孔夾具設(shè)計(jì),ca6140,車床,加工,工藝,以及,頂部,m22,螺紋,羅紋,夾具,設(shè)計(jì) 攀枝花學(xué)院本科畢業(yè)設(shè)計(jì)（論文） ABSTRACT ABSTRACT This design is a lather to become soon an appropriation for inside pulling out fork spare parts processing craft rules distance and some work prefaces tongs design.This pull out the construction of the fork spare parts than for complicacy, its the place that process is a peaceful in bore primarily.This design processes after processing first the bore.Process with flat surface the clear and definite dividing the line the bore the coarseness processes to process with the nicety the stage to guarantee their process the precise degree.The basis choice to pull out rough basis of conduct and actions of the biggest flat surface of the right in fork, process the in the center in general use bore, then be used as the precise basis with the bore that processed.Processing primarily work preface arrangement is first to process a flat surface with the center bore fixed position with the right side flat surface and below big bore of two flat surface, again with center bore the fixed position processes the big bore that carry down.While processing is to use the boring machine boring bore.Regard these two bores as the basis finally, process the right-hand slot respectively with the thread bottom bore of the a.Whole processes the process chose to use to the drill machine, miller with the boring machine .The tongs chooses to use the appropriation tongs, clipping tight way as to move to clip tight, clip tight and dependable, operation convenience.Therefore produce the efficiency higher, be applicable to the large quantity measures, the flowing water is on-line to process.Can satisfy the design request. Keywords Process the craft，F(xiàn)ixed position，Clip tight，Appropriation tongs Ⅱ