Q24
The angle formed by the leading edge of the land with a plane having the axis of the drill, is called
A.
Helix or rake angle
AnswerB.
Point angle
C.
Chisel edge angle
D.
Lip clearance angle
Answer: Option A
Solution
Answer: Option A
Solution:
The angle formed by the leading edge of the land with a plane having the axis of the drill, is called Helix or rake angle
The rake angle is the angle of the surface of a cutting tool tip over which the removed chips flow.
The rake angle is the angle between the front or cutting face of the tool and a line perpendicular to the workpiece