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    • December

      29

      2016
    • 561
    Roll Removal And Load Cells

    Roll Removal And Load Cells

    Roll Removal All modern rolling mills have to be able to remove the rolls quickly, especially the work rolls.  The work rolls wear and get damaged from time to time. A shuttle table is used to remove the rolls.  One set of rolls can be positioned on a shuttle table while another set is being

    • December

      26

      2016
    • 671
    Plastics, Rubbers And Ceramics

    Plastics, Rubbers And Ceramics

    Plastics and Rubbers Many plastics and rubbers are made on a rolling mill. This is sometimes referred to as a calendar mill.  Many plastics used in automotive brake pads are rolled on a rolling mill.  There are many types of plastics that are rolled, such as polyurethane and polypropylene.  The rubber is mixed in the

    • December

      22

      2016
    • 653
    6-High Rolling Mills

    6-High Rolling Mills

    Six-high rolling mills are the similar to 4-high rolling mills however, they have work rolls, intermediate rolls, and back up rolls.  Refer to Drawings (right), which shows a 6-high reversing mill for rolling light gauge steel.  The intermediate rolls can be adjusted horizontally to prevent edge drop, which means the edge become lighter in thickness

    • December

      19

      2016
    • 560
    High Carbon Steels

    High Carbon Steels

    By increasing the carbon content, steel can be made hot at temperatures above 1200oF.  Normally, high carbon steel is further heat treated, such as quenched and tempered, to increase the yield and tensile strengths.  Because of the high carbon content, when you quench steel in water, as an example, the steel becomes very hard, (i.e.

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