WorksheetsCNC Principles
Total questions: 14
Worksheet time: 11mins
What is a Tap used for?
Reaming a hole to a tight tolerance
Drilling a Hole
Threading a hole
Machining a slot
Select all features a Endmill can be used for
Machining a profile
Machining a Step
Machining a Circular Pocket
Machining a Counterbored Hole
What operation needs to be carried out before Reaming a hole?
Machining a Profile
Drilling a hole
Threading a hole
Countersink a hole
What does M03 function do on a CNC?
Stops the coolant
Ends Programme
Turns Spindle on CW
Turns Spindle on CCW
T
What does G01 Mean?
A linear Movement
A circular movement
A rapid Movement
Stops the Spindle
What does the M13 function do?
Turns spindle on CW
Turns Spindle on CW and Coolant on
Ends Program
Linear Movement
What fixture would be used to hold a round component?
3 Jaw Chuck
Swivel Vice
Tombstone
Collet Chuck
Select the safety features on a CNC machine?
Emergency Stop
NC Control Unit
Door Interlock
Lead Screw
Select the Dovetail Cutter
What are the main Axis on a CNC milling machine?
A/R/T
X/Y/Z
X/T/M
G/M/S
What is the G code for a rapid movement?
G90
G40
G00
G97
What Axis needs to be moved for a depth of cut?
X
C
Y
Z
What M code is used to end program?
M30
M08
M91
M4
If my datum position X0 Y0 is the centre of the sheet what direction are my X+ X- Y- Y+ movements.
Draw them below

