Roughness Value in Design for Machining Formulas

Roughness Value is the arithmetic average of the absolute values of the roughness profile ordinates. And is denoted by R_a. Roughness Value is usually measured using the Millimeter for Length. Note that the value of Roughness Value is always positive.

Formulas to find Roughness Value in Design for Machining

fxSurface Roughness of Workpiece given Machining TimeGo

Design for Machining formulas that make use of Roughness Value

fxLength of Workpiece given RoughnessGo

fxCorner Radius of Tool given Machining TimeGo

fxRotational Frequency of Workpiece given RoughnessGo

fxMachining Time for Workpiece given RoughnessGo

List of variables in Design for Machining formulas

fx Length of Workpiece Go

fx Rotational Frequency of Spindle Go

fx Machining Time Go

fx Corner Radius of Tool Go

FAQ

What is the Roughness Value?

Roughness Value is the arithmetic average of the absolute values of the roughness profile ordinates. Roughness Value is usually measured using the Millimeter for Length. Note that the value of Roughness Value is always positive.

Can the Roughness Value be negative?

No, the Roughness Value, measured in Length cannot be negative.

What unit is used to measure Roughness Value?

Roughness Value is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Roughness Value can be measured.

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