Turning and related operations ■Tools Shanghai Jiao Tong University 16
Shanghai Jiao Tong University 16 Turning and related operations n Tools
Turning and related operations Work folding methods in lathe Dog(clamped to work, driven by dog plate) Workpart Center (other center at headstock end) three-jaw chuck Dog plate(driven by lathe spindle) Jaws (3),adjustable to clamp work “dog Workpart Shanghai Jiao Tong University 17
Shanghai Jiao Tong University 17 Turning and related operations n Work folding methods in lathe
Turning and related operations Work folding methods in lathe Collet with three slits to permit squeezing of work Workbar Sleeve (advances forward to squeeze collet) faceplate collet Faceplate (attached to spindle) Turned surface Workpart Clamps(4) Shanghai Jiao Tong University 18
Shanghai Jiao Tong University 18 Turning and related operations n Work folding methods in lathe
Turning and related operations Multiple spindle machines Form tool Spotface Drill Tuming tool Chamfer tool 6 Cutoff tool Bar stock Stop Finished part Shanghai Jiao Tong University 19
Shanghai Jiao Tong University 19 Turning and related operations n Multiple spindle machines
Turning and related operations Horizontal boring Workpart Chuck(driven by spindle) Boring bar Dog(to rotate boring bar) (supported Workpart between centers) Boring bar (fed into work) Feed motion Cutting tool Cutting tool Clamps Table Feed motion- boring bar feed work feed Shanghai Jiao Tong University 20
Shanghai Jiao Tong University 20 Turning and related operations n Horizontal boring