Normal Rake Angle in Merchant Force Circle Formulas

The Normal Rake Angle is the angle of orientation of the tool’s rake surface from the reference plane and measured on a normal plane. And is denoted by α_N. Normal Rake Angle is usually measured using the Degree for Angle. Note that the value of Normal Rake Angle is always positive.

Merchant Force Circle formulas that make use of Normal Rake Angle

fxThrust force for given frictional force along tool rake face, cutting force and normal rake angleGo

fxThrust Force given Cutting Force and Normal Rake AngleGo

FAQ

What is the Normal Rake Angle?

The Normal Rake Angle is the angle of orientation of the tool’s rake surface from the reference plane and measured on a normal plane. Normal Rake Angle is usually measured using the Degree for Angle. Note that the value of Normal Rake Angle is always positive.

Can the Normal Rake Angle be negative?

No, the Normal Rake Angle, measured in Angle cannot be negative.

What unit is used to measure Normal Rake Angle?

Normal Rake Angle is usually measured using the Degree[°] for Angle. Radian[°], Minute[°], Second[°] are the few other units in which Normal Rake Angle can be measured.

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