Symmetrical up mode:<br>The upper work roll moves vertically.<br>The position of the two work rolls is relatively unchanged.<br>Upper roll universal type:<br>The upper work roll moves vertically and horizontally,<br>The relative position of the two lower rollers remains unchanged.<br>With upper beam type:<br>A press roll is arranged on the upper part of the upper roll.<br>The pressure roller is installed at the lower part of the upper beam.<br>The rigidity of the upper beam is increased, and the diameter of the upper roller is smaller.<br>It is beneficial to roll the can body with small fillet radius.<br>
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