Answer is:
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:
For producing bore to a high degree of positional accuracy
Answer is:
Determine the distance between internal parallel surface
Answer is: