Wheel Balancing (Leaving Cert Engineering): Flashcards
📚Flashcards
Practise the cards
12 cards from this deck
ShowHide
Practise the cards
12 cards from this deck
Definition of precision grinding
Definition of precision grinding
Machining process achieving extremely accurate dimensions & superior finish
Purpose of wheel balancing
Purpose of wheel balancing
Eliminate vibration from improperly weighted grinding wheel
Equipment grinding wheel is mounted on for balancing
Equipment grinding wheel is mounted on for balancing
Arbour
Purpose of knife edge wheels in balancing
Purpose of knife edge wheels in balancing
Reduce friction, allowing wheel to move freely
What is positioned on wheel face during balancing
What is positioned on wheel face during balancing
Small weights
When wheel balancing process is complete
When wheel balancing process is complete
When wheel spins freely without vibration
Machine components damaged by vibration
Machine components damaged by vibration
Spindle, bearings, and precision components
Effect of unbalanced wheel on wheel longevity
Effect of unbalanced wheel on wheel longevity
Uneven wear and may break apart at high speeds
Effect of vibration on workpiece quality
Effect of vibration on workpiece quality
Poor surface finish and dimensional inaccuracies
Safety risk from excessive vibration
Safety risk from excessive vibration
Wheel failure creating dangerous flying debris
Effect of increasing speed on wheel imbalance
Effect of increasing speed on wheel imbalance
Existing imbalance becomes magnified
Typical tolerance level in precision grinding
Typical tolerance level in precision grinding
Within micrometres