Normal Rake Angle of Tool in Merchant Force Circle Formulas

Normal rake angle of tool 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 of Tool is usually measured using the Degree for Angle. Note that the value of Normal Rake Angle of Tool is always positive.

Merchant Force Circle formulas that make use of Normal Rake Angle of Tool

fxCoefficient of friction for given thrust force, cutting force and normal rake angleGo

fxFrictional force along tool rake face for given cutting and thrust forces, normal rake angleGo

FAQ

What is the Normal Rake Angle of Tool?

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

Can the Normal Rake Angle of Tool be negative?

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

What unit is used to measure Normal Rake Angle of Tool?

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

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