Author Question: Which of the following could be an acceptable feed for a 1/2 (.500 ) inch diameter drill in low ... (Read 122 times)

Alainaaa8 · **on:** Jul 26, 2018

Which of the following could be an acceptable feed for a 1/2 (.500 ) inch diameter drill in low carbon steel?

A) 720 revolutions per minute B) 90 SFPM
C) 2 inches per minute D) .005 inch per revolution (IPR)

Question 2

The depth stop on a drill press is used for:

A) Alerting the operator by ringing a bell when the drilling tool is approaching the depth where it should stop
B) Limiting its stroke and thus preventing the drill from drilling into the table
C) Detecting when the drill has stopped cutting and then shutting off the machine
D) Keeping the quill from falling out by stopping it at full depth