question_answer

Consider the following features:

1. All spindles operate simultaneously

2. One piece is complete each time the tools are withdrawn and the spindles are indexed

3. The tool slide indexes or revolves with the spindle carrier.

Which of these features are characteristics of a multi-spindle automatic machine used for bar work?

A) 1, 2 and 3                     

B) 1 and 2

C) 2 and 3            

D) 1 and 3