Toolbits Flashcards
Review from last year
1
Q
What are the steps to grinding a HSS lathe tool bit?
A
(1) Grind side relief angle
(2) Grind front relief angle
(3) Grind side/back rake
(4) Radius front edge (slight nose radius)
2
Q
What are the angles for Aluminum tool bits?
(0* holder)
A
Relief angles: 10*
Back Rake: 25*
Side Rake: 20*
3
Q
What are the angles for Steel tool bits?
(0* holder)
A
Relief angles: 10*
Back Rake: 10*
Side Rake: 10*
4
Q
What are the angles for Brass tool bits?
(0* holder)
A
Relief angles: 8*
Back Rake: 0*
Side Rake: 0*
