CNC quiz 5

Before you leave the workshop at the end of the day you must always prepare the machine for the following day

• True

• False

When we make turn on a lathe the cutting tool creates small pieces of metal also known as _____

• Metal shards

• Cuttings

• Chips

• Small bits of metal

The mechanical device that is commonly used on CNC lathes to remove the chips is called a chip conveyor

• True

• False

If your machining material that creates long stringy chips, it is best to run the chip conveyor less frequently. large intervals between conveyor operation will help to remove this type of chips

• True

• False

At the end of the day it is important to clean the machine. whitch button do you use to jog the Z-axis

• Hand jog button

• Z for Z-axis

• E-stop button

• T for turret

When leaning into the machine and using compressed air to clear chips, which button should you always make sure is pressed?

• Hand jog

• Feed hold

• Reset

• E-stop

It is a good idea to check the coolant level in the coolant tank before you leave for the day or handover to your next shift

• True

• False

If the coolant level is low, it is fine to just add water?

• True

• False

If your machine is going to sit idol for a long period of time it is a good idea to___________

• Unplug the machine from the wall

• Coat the unpainted surfaces on the inside of the machine with rust preventer

• Make sure the lathe door is closed

• Replace all the tools with new ones

In most cases the last step of the day is to press 'power off'. However some shop supervisors ask for the isolator to be switched off

• True

• False