5.1 run a program

When the operator approaches the control pendant, what button should they press to show the current program......

• MDI

• MEM

• EDIT

• HAND JOG

The very first line of a CNC program is.....

• The number of tools in the turret

• The date the program was created

• The program number or O number

• Todays date

After the program number, there should be a list of comments made by the programmer. these will have brackets around them, does the machine read code with brackets?

• Yes

• No

In your cnc program, there will be a list of tools used in brackets. When running or proving your code you should read this and familiarise yourself if what tools are being used.

• True

• False

CNC machines move very fast, once you press cycle start you will have LOTS of time to react

• True

• False

Once the single block key is pressed, the operator will need to press cycle start to advance through each line of the code?

• True

• False

the G00 rapid motion command moves the cutting tool into position quickly. The G00 command has its own set of override keys on the control panel. these buttons are labelled 100%, 50%, 25% and 5%

• True

• False

The use of override keys allows the operator to change the default value of a program command. any time you run a program for the first time which override key should be pressed?

• 100%

• 25%

• 5%

• 50%

Just above the rapid override buttons are the spindle speed and feed override buttons. you should NEVER change these without permission?

• True

• False

The first thing a program will usually do is call in the first tool, the T-code defines which tool to use and a comment in brackets will describe the tool. you should always check the description is accurate of the tool being used?

• False

• True