Tool Height (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does tool height refer to in turning operations?
What does tool height refer to in turning operations?
Position relative to center line
What is the optimal tool height position for most turning operations?
What is the optimal tool height position for most turning operations?
Tool on centre
What determines how sharp the cutting action will be when the tool is on centre?
What determines how sharp the cutting action will be when the tool is on centre?
The rake angle
What benefit does tool on centre position provide?
What benefit does tool on centre position provide?
Best balance of sharpness & strength
What happens to the rake angle when the tool is below centre?
What happens to the rake angle when the tool is below centre?
It becomes reduced
What happens to the clearance angle when the tool is below centre?
What happens to the clearance angle when the tool is below centre?
It increases beyond needed
What problem occurs during facing when the tool is below centre?
What problem occurs during facing when the tool is below centre?
A dimple is left on the face
How does tool below centre affect the tool tip strength?
How does tool below centre affect the tool tip strength?
Weakens it, more prone to breaking
What happens to the clearance angle when the tool is above centre?
What happens to the clearance angle when the tool is above centre?
Becomes reduced or eliminated
What major problem does tool above centre cause?
What major problem does tool above centre cause?
Massive increase in friction
How serious is the problem of setting the tool above centre?
How serious is the problem of setting the tool above centre?
Must be avoided at all costs
Why does correct tool height matter for cutting performance?
Why does correct tool height matter for cutting performance?
Ensures tool works as designed