Краткое руководство Derek по металлообработке на станках Технология токарной обработки широких канавок прорезными резцами с режущими сменными пла

Краткое руководство Derek по металлообработке на станках Технология токарной обработки широких канавок прорезными резцами с режущими сменными пла

Краткое руководство Derek по металлообработке на станках Технология токарной обработки широких канавок прорезными резцами с режущими сменными пластинами Turning Tools Processing Methods IHr/Parting-off Tool Ilfio W fSfe MSI3£teo l.When the insert was close to the workpiece, should reduce 30% of cutting speed to improve the insert lifetime and surface quality. 2.In Prem.if allowed,in order to keep stability,please choose the holder as short as we can. (S) <3> t - 0.5mmH immil ( S tn3gRT0.75 7JttZJ MS ) -> lRlil7I0.1mm ->aiRlS7I->l4lRlil7I->aiRlS7I-> lRl iniSlflrSSSfio ( Sirai) 0 nr /K7J t tzjjiwjiaiMiiew/hSiiiio The sequence of feed: during depth of cut >0.5mm, radial direction feedingfdeepest depth of cut can reach 0.75 insert blade width S) >radial direction retract around O.lmm axial direction feeding slant direction retract axial direction feeding >radial direction processing till to reach the required depth. During cutting or chamfering (finish machining), operate as the sequence shown in this figure will reduce the small vibration generated from the cutting tools and the friction during cutting. Face Grooving and Turning ffiini ( ) Rough machining(multiple-grooved cutting) inm (1) During retract after cutting from the biggest diameter to inner, shift the insert to the inner edge a little. As shown in figure(l) Htff IiJ/Recessing aiRi¥Sij'ass iio.75 s (ntiinn) JfiSBffifflHMil, £oW (2) mmmmmmmmmL Axial direction turning depth not exceeding 0.75 S (insert blade width); when groove width is bigger than groove depth, it is suggested to use recessing tool, as shown in figure(2); when groove depth is bigger than groove width, it is suggested to use multiple-grooving turning. stfAni/Finishing £i, vfo inum ( 3 ) First to finish machine the bottom and outer diameter edge, and then finish machine the inner diameter to the required dimensions.As shown in figure(3) fa l’WfiW&'iJ/lnternal Grooving and Turning fflW AniJllJr/lnternal grooving tools Using the processing sequence as shown in this figure For better cutting outflow, always feed outward from the direction that far from the hole end face. DEREK H03 t t fi 13) (2) in (1 ) Figurel Bttc ( 2 ) Figure2 13) (I.) (2) ( 3 ) Figure3 -14)