Knurling
Posted by Vishnu on April 15th, 2010 12:02 PM | No Comment
e) Knurling
It is the operation of producing depression or indentation of various shapes into the workpiece by the use of revolving hardened steel wheels pressed against the workpiece. Since knurling produces a roughened surface on a workpiece, it provides an ...
Thread cutting
Posted by Vishnu on April 15th, 2010 12:00 PM | No Comment
d) Thread cutting
Thread cutting is the process of producing a helical form or thread on the revolving workpiece. Figure shows cutting of both external and internal threads. For thread cutting the saddle should move along the lathe led a distance ...
Chamfering
Posted by Vishnu on April 15th, 2010 11:58 AM | No Comment
c) Chamfering
Chamfering produces a beveled edge at a specified angle on the end of a turned diameter. This is done by removing the sharp edge.
Chamfering is done by setting the compound slide at an angle and feeding the tool bit ...
Facing
Posted by Vishnu on April 15th, 2010 11:54 AM | No Comment
b) Facing
Facing operation machines the ends of the workpiece. Facing can decrease the length of the job also. Facing is done by feeding the cross slide on the compound rest in an out. In facing the cutting tool moves from ...
Lathe
Posted by Vishnu on April 15th, 2010 10:49 AM | No Comment
5.1 Lathe
The lathe can be defined as a machine tool which holds the work between two straight and strong supports, called contres or in a chuck as face plate while the latter revolves. The chuck or the face plate is ...
Introduction to Production Engineering
Posted by Vishnu on April 15th, 2010 10:43 AM | No Comment
Metal cutting commonly called machining produces a desired shape, size and finish on a rough block of workpiece material with the help of a wedge shaped tool that moves relative to the workpieces in such a way that a layer ...