Author Question: The purpose of the overarm is: A) Extend the spindle B) To hold large face mills C) To hold the ... (Read 50 times)

plus1 · **on:** Jul 26, 2018

The purpose of the overarm is:

A) Extend the spindle B) To hold large face mills
C) To hold the arbor support D) Strengthen the column

Question 2

Spindle speeds are changed with the spindle motor running:

A) On a geared head drive B) On a small milling machine
C) On a variable speed drive D) To make shifting easier