Chapter 4 Machine Tools and Machining Operations for rotational parts Abstract Machinepartsarebasicallyseparatedintotwo:rotationalpartsandnon -rotationalparts.Thischapterwillfocusontherequiredmachinetools, cuttingtoolsandmachiningoperationsforrotationalparts.Thelathes andlathecuttingtools,includingmainmechanismofCA6140andthe structureofturningtoolsareintroduced.Inthesametime,thework principleofthemachiningmethodsofgrinding,somehole-produced machinesandcuttingtools,arealsointroduced. machiningofr