21) What is the function of the drop-worm provided in the apron of a centre lathe ?
Answer is:
Engages / disengages the power feed
Related Lathe Construction MCQ - Turner (Set-1) with Answers
Answer is:
Morse taper
Answer is:
adjust the slackness developed due to wear
Answer is:
transmit motion from feed shaft to the carriage
Explanation:
The tumbler gear unit consists of three gears, having the same number of teeth and it connects the spindle gear to the fixed gear. Tumbler gear unit is also called the reversing gear unit as it is used to change the direction of feed of the tool for the same direction of rotation of the spindle. Tumbler gear unit can be engaged and disengaged with the fixed stud gear by the operation of the hand lever provided in the unit.
Answer is: