ROLLING OF METAL

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking

B21BROLLING OF METAL

B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section Sequence of operations in milling trains Layout of rolling-mill plant B21B11/00Subsidising the rolling process by subjecting rollers or work to vibrations B21B13/00Metal-rolling stands B21B15/00Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills B21B17/00Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work B21B19/00Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work B21B21/00Pilgrim-step tube-rolling B21B2201/00Special rolling modes B21B2203/00Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods B21B2205/00Particular shaped rolled products B21B2261/00Product parameters B21B2263/00Shape of product B21B2265/00Forming parameters B21B2267/00Roll parameters B21B2269/00Roll bending or shifting B21B2271/00Mill stand parameters B21B2273/00Path parameters B21B2275/00Mill drive parameters B21B23/00Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00 B21B25/00Mandrels for metal tube rolling mills B21B27/00Rolls, roll alloys or roll fabrication Lubricating, cooling or heating rolls while in use B21B28/00Maintaining rolls or rolling equipment in effective condition B21B29/00Counter-pressure devices acting on rolls to inhibit deflection of same under load B21B3/00Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences Rolling of aluminium, copper, zinc or other non-ferrous metals B21B31/00Rolling stand structures Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames B21B33/00Safety devices not otherwise provided for Breaker blocks Devices for freeing jammed rolls for handling cobbles; Overload safety devices B21B35/00Drives for metal-rolling mills B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby B21B38/00Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills B21B39/00Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills B21B41/00Guiding, conveying, or accumulating easily-flexible work B21B43/00Cooling beds, whether stationary or moving Means specially associated with cooling beds B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills B21B47/00Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal B21B5/00Extending closed shapes of metal bands by rolling B21B9/00Measures for carrying out rolling operations under special conditions B21B99/00Subject matter not provided for in other groups of this subclass