109. What is the difference between a live center and a dead center, when these terms are used in the context of workhol

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109 What Is The Difference Between A Live Center And A Dead Center When These Terms Are Used In The Context Of Workhol 1 (162 KiB) Viewed 44 times

109. What is the difference between a live center and a dead center, when these terms are used in the context of workholding in a lathe? 110. How does a turret lathe differ from an engine lathe? 111. What is a blind hole? 112. What is the distinguishing feature of a radial drill press? 113. What is the difference between peripheral milling and face milling? 114. Describe profile milling. 115. What is pocket milling? 116. Describe the difference between up milling and down milling. 117. How does a universal milling machine differ from a conventional knee- and-column machine? 118. What is a machining center? 119. What is the difference between a machining center and a turning center? 120. What can a mill-turn center do that a conventional turning center cannot do? 121. How do shaping and planing differ? 122. What is the difference between internal broaching and external broaching? 123. Identify the three basic forms of sawing operation. 124. Define machinability. 125. What are the criteria by which machinability is commonly assessed in a production machining operation? 126. Name some of the important mechanical and physical properties that affect the machinability of a work material.