The forming feed motion can be imparted to the cutting tool as in lathes, drilling machines, etc. or to the workpiece as in milling machines, shaping machines, etc. Control systems for forming and auxiliary motions can be classified as: 1. manual, and 2. automatic. ... More often the feed motion is mechanically obtained through an appropriate kinematic train and the control member is employed only toanbsp;...
|Title||:||Machine Tool Design and Numerical Control,2e|
|Publisher||:||Tata McGraw-Hill Education - 2002-04-01|