what do you mean by Ra and Rz values
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the methodology of measurement and what is measured are quite different. This is critical to understand if you will not be paid for your parts because the Ra you measured is not in fact the Rz surface profile that customer specified.
In the equation g = rz, r represents a variable or a constant value. The specific value of r would need to be provided in order to determine its numerical value in the equation.
Convert 7.9 million into standard value
1 kilogram = 1000000 milligrams. So, to convert a value in milligram to a value in kilograms, divide it by 1000000 and to convert from a value in kilogram to milligram, multiply the value with 1000000.
To convert U vals To R Vals 1/u = r val