4-Roll Plate Rolls Vs 3-Roll Plate Rolls - Advantages and Disadvantages

Four-roll technology has been around almost since the turn of the century: however, it was impractical, as the improved production did not justify the costs. With the advances in Fluid Technology this has changed dramatically. It is now possible to buy a four-roll machine for only about 20% more than a three-roll double pinch machine.

Source: http://EzineArticles.com/5542745

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