Automated Rail Wheel Hardness Measurement

A stand-alone Brinell Hardness measurement machines of rail wheels has been commissioned and certified for accuracy by third-party auditors.

The machine automatically picks up wheels from a loading ramp, reads wheel serial number, and places it on to the horizontal conveyor. Then advances the wheel under a milling head to remove carbonized layer, makes indentations using either a 10mm or 5mm diameter ball, optically reads the indentation, calculates BHN and delivers the wheel on to the exit ramp.

The depth of milling is programmable. If BHN does not reach the prescribed level, the wheel is rotated and additional indentation and reading can be carried out.

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