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The rolls in direct contact with the rolling stock are called work rolls They are supported by back up rolls to reduce deflection Work rolls and back up rolls are arranged between two roll housings The whole arrangement forms the rolling stand A rolling mill consists of at least one rolling stand
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3 Field of application Hot and cold rolling mill stands Designation Bearing of loads appeared at rolling They are basic parts All blocks of rolling mill stands lie
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When hot rolling steel in the laboratory using relatively small rolling mills values of 4–20 kW m 2 K appear to be the correct magnitudes If modelling hot rolling of steel under industrial conditions values of 50–120 kW m 2 K are more useful In both cases the layer of scale is an important parameter
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