Computers & CNC Machining (Junior Cert Engineering): Flashcards
📚Flashcards
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15 cards from this deck
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Practise the cards
15 cards from this deck
What does CNC stand for?
What does CNC stand for?
Computer Numerical Control
Define hardware
Define hardware
Physical components of a computer system
Define software
Define software
Programs, languages & procedures controlling systems
What is the CPU's function?
What is the CPU's function?
Brain of system - performs calculations & controls operations
CAD meaning & purpose
CAD meaning & purpose
Computer-Aided Design - creates drawings & 3D models
CAM meaning & purpose
CAM meaning & purpose
Computer-Aided Manufacturing - converts CAD to machine code
X coordinates in CNC lathes
X coordinates in CNC lathes
Distances perpendicular to centreline (diameters)
Z coordinates in CNC lathes
Z coordinates in CNC lathes
Distances parallel to centreline (length)
What do G codes control?
What do G codes control?
Tool movements
What do M codes control?
What do M codes control?
Machine functions
Incremental dimensioning
Incremental dimensioning
Each dimension measured from previous position
Absolute dimensioning
Absolute dimensioning
All dimensions measured from fixed datum
What is a billet?
What is a billet?
Raw material in CNC
Stepper motors in CNC
Stepper motors in CNC
Provide precise movement control for machine slides
What does FDM stand for?
What does FDM stand for?
Fused Deposition Modelling - 3D printing method