4.2 Hanging mass calibration

Remove the hanging mass to allow ease of access to the components to be removed.

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Place increasing loads on the hanging mass to obtain a relationship between the mass and voltage output.

Secure a pin sample and pin sample holder onto the cantilever beam.

Obtain 400 readings at each different hanging mass load.

Using the relation between voltage to load obtained from load cell calibrations, convert the voltage output values obtained at varying hanging mass to load in terms of kg.

The load(kg) obtained would be the normal load experienced by the sample.

Convert the load(kg) into load(N) using the following equation:

load(N) = load(kg) x 9.81

Input the "a" and "c" values from the graph obtained into the cal-load-params file in the "Tribometer_data" folder and save the file.

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