3.2 Basic Machine Power Off - Basic Mill Operator

When operating a CNC machine throughout the workday, there is no need to clean out the chips several times during the day.

False

For extended periods of shut down, such as a weekend, it is important to:

Spray down the machine waycovers, table, fixturing, and tooling with a rust preventive

Before heading home for the night after a workday, the Operator needs to prep the machine for the next day's work.

True

Leaving large piles of chips in a machine, particularly steel or iron chips, will lead to rust inside the CNC machine.

True

Once you have cleared out the majority of chips from the enclosure, you should push the Emergency Stop button, and then use the airgun to blow puddles of coolant off the table, vise, and workholding fixtures.

True

When clearing the chips from the machine, it is first important to clear the chips from the table and the waycovers using the washdown hose.

True

When refilling the coolant tank, it is important that you use the proper mixture ratio of coolant concentrate to water.

True

When using the airgun, never point it directly into the nose of the spindle. This may cause contaminants to get lodged inside the spindle and the spindle bearings.

True

When you leave your station at then end of your shift or for the weekend, it is important that you clean your workspace, put away your tools, and clean up any spills that may have occurred.

True