Work Holding (Leaving Cert Engineering): Flashcards
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Practise the cards
13 cards from this deck
Work holding definition
Work holding definition
Securing & positioning workpiece to prevent movement during grinding
What does work holding impact?
What does work holding impact?
Accuracy and surface finish of machined component
Magnetic chuck definition
Magnetic chuck definition
Device using permanent magnets to secure ferrous workpieces
What powers a magnetic chuck?
What powers a magnetic chuck?
Powerful permanent magnets
Activating lever function in magnetic chuck
Activating lever function in magnetic chuck
Aligns magnetic poles to create strong grip
Main limitation of magnetic chucks
Main limitation of magnetic chucks
Only work with ferrous (iron-based) materials
Examples of non-ferrous materials
Examples of non-ferrous materials
Aluminium, brass, or plastic
Magnetic chuck advantage: operation speed
Magnetic chuck advantage: operation speed
Quick and simple operation
Magnetic chuck advantage: tool access
Magnetic chuck advantage: tool access
Unobstructed access - no protruding clamps or vice jaws
Magnetic chuck advantage: shape versatility
Magnetic chuck advantage: shape versatility
Can hold awkwardly shaped materials
Magnetic chuck application: flat components
Magnetic chuck application: flat components
Surface grinding
Why magnetic chucks minimize workpiece distortion
Why magnetic chucks minimize workpiece distortion
Uniform force across entire surface, no localised pressure
How to release workpiece from magnetic chuck
How to release workpiece from magnetic chuck
Deactivate magnet using lever, then lift component off
