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Worksheets8th grade CNC review
Total questions: 13
Worksheet time: 7mins
Specifies the position/location of points uniquely in a plane by a pair of numerical coordinates, which are the signed distances to the point (origin 0,0) from two fixed perpendicular directed lines, measured in the same unit of length.
Computer-Integrated Manufacturing (CIM)
Axis
Cartesian coordinate system
3-D (Three-dimensional)
The automation of machine tools by means of computers executing pre-programmed sequences of machine control commands among multi-axis coordinate planes.
Computer Numerical Control (CNC)
Computer Alphabetical Control (CAC)
Computer Cryptographic Control (CCC)
Machinery that has sensing and control devices that enable it to operate automatically.
Manual
Biotech
Nanotechnology
Automation
Computer-Aided Drafting (CAD) is the making of a set of construction drawings with the aid of a computer.
True
False
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
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.
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.
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.
