DEVICE FOR EVALUATING ADHESION OF SCUM OF EMULSION COOLANT OF ROLLING OIL AND EVALUATING METHOD THEREFOR
PROBLEM TO BE SOLVED: To provide a device and method by which the adhesion of scum of the emulsion coolant of rolling oil is evaluated simply and exactly without actually executing cold rolling with an actual rolling mill. SOLUTION: A pair of rolling rolls 1, 1' for rolling a material 7 to be r...
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