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.
62) A Tumbler gear unit consists of
Answer is:
Three Gears
Explanation:
Related Lathe MCQ - Machinist(Set-1) with Answers
Answer is:
on a face plate
Explanation:
Faceplates are used to hold work that is too large or of such a shape that it cannot be held in a chuck or between centers. Faceplates are equipped with several slots to permit the use of bolts to secure the work, so that the axis of the workpiece may be aligned with the lathe centers. When work is mounted off – center, a counterbalance should be fastened to the faceplate to prevent imbalance and the resultant vibrations when the lathe is in operation.
Answer is:
three-jaw chuck
Explanation:
Scroll and gear mechanism is employed in three-jaw chuck
Answer is:
two sets of 'V' guideways and flatways
Explanation:
The lathe bed has two sets of 'V' guide-ways and flatways