Ball centre is sometimes used for tapering by the "set-over tail stock" method. The standard centres cannot sit squarely in the center hole when the tail stock is set over.
63) Which of the following lathe center has minimum wear and tear & particularly suitable for tailstock offset turning?
Answer is:
Ball centre
Explanation:
ISRO Technician-B Machinist Question Paper - 2019 (Set -1) with Answer Key
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Answer is:
All of the above
Explanation:
An operation performed on a lathe that feeds a tool at an angle to the length of the work piece in order to create a conical shape.
Taper turning on lathe can be produced by
1) Taper Turning by Tail-stock set-over method
2) Taper Turning by Swiveling the compound rest method
3) Taper Turning by Taper turning attachment method
4) Taper Turning by Form tool method
Answer is:
3
Answer is:
Thread Rolling
