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WorksheetsCNC Basics
Total questions: 17
Worksheet time: 9mins
What does CNC stand for?
Computer nuance controll
Controll national computer
Computer numerically controlled
Computer numerical creation
How many axis do CNC machines generally operate on?
1 or 2
3 or 6
2 or 3
3 or 5
CNC machining is
additive manufacturing.
subtractive manufacturing.
3D printing is
additive manufacturing.
subtractive manufacturing.
When were the first CNC machines developed?
1980/90s
1940/50s
1880s
1950/60s
G code tells a CAM machine?
where to move the tool.
to turn functions on and off.
M code tells CAM machines?
where to move the tool.
to turn functions on and off.
CAM was not possible before CAD software was invented.
Ture
False
CAM software does?
Allows designer and engineers to create 3D models of parts and products that they want to create.
Converts and a CAD model into G and M code so that a CAM machine can make the design.
Converts photographs into 3D CAD models for later development into finished parts or products.
A 3-axis machine will move in?
The X, Y, Z axes.
The X, Y, 3 axes.
The L, R, B axes.
A 5-axis machine can move in?
The X, Y, Z axes.
The X, Y, Z, R, T axes.
The X, Y, Z, and two seperate rotational axes.
The three basic ways material is removed from a billet or stock in CNC machining are?
Drills, extruders, and lasers.
Drills, lathes, and milling machines.
Drills, lathes, and lasers.
Drills and mills work by?
Rotating a tool/bit which comes into contact with material.
Rotating material which comes into contact with a stationary cutter or tool.
Lathes work by?
Rotating a tool/bit which comes into contact with material.
Rotating material which comes into contact with a stationary cutter or tool.
Up cut drill bits, and cutter bits?
Move material shavings in an upward direction.
Move material shavings in a downward direction.
Down cut drill bits and cutter bits?
Move material shavings in an upward direction.
Move material shavings in a downward direction.
CNC machines are?*
Computerised numerical controlled machines used to create products or parts from solid blocks of material.
Computerised numerical controlled machines used to create products or parts from liquid material.
Computerised numerical controlled machines used to create products or parts from solid blocks of meat and metals.
Computerised numerical controlled machines used to create products or parts from solid blocks of earth.
