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Spalling In Cold Rolling Mill Rolls

Spalling is usually found in the area of highest contact pressure between the work and back up rolls. It is desirable, therefore, to provide a uniform contact pressure distribution across the faces of the rolls. However, due ...

Recommended Manufacturing Tolerance For Tube / Section Mill Rolls

  01 Keyway Width    + 0.1     + 0.3     02 Keyway Depth + 0.2     03 Bearing Bore + 0.4         K6 30 dia to 50 dia   +0.003/-0.013       above 50 dia to 80 dia +0.004/-0.015       above 80 dia to 120 dia +0.004/-0.018 04 Bearing Bore Depth  + 0.025 For O.D. Series Rolls/Precision Rolls      + 0.000       + 0.05 For NB Series Rolls     + 0.000     05 Concentricity   0.02 Prescision       0.03 O.D Series Rolls       0.04 N.B Series Rolls   06 FACE RUN OUT    PRESCISION  OD SERIES NB ...

Fins- Most Important Component For Tube Making

After strip is formed into round shape, inner fibres of tube come closer and outer fibres fall apart. if such a tube is welded then it will be a very weak welding, as both surfaces of open tube will not ...

Reasons of Cracks In Cold Rolling Mill Rolls

There can be many reasons due to which cracks are generated in rolling mill rolls under perating conditions. This can be due to quality of raw material or product defects. But the prime factors that govern the crack generation is ...

Manufacturing Techniques for Tube mill / Section Mill Rolls

Designing  This is the inception stage in which the design of the tube mill rolls is developed. The designing of the rolls are generally performed using a high end software like Copra Software for an accurate quick and designing of ...

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