Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups

BPERFORMING OPERATIONS TRANSPORTING B23Machine tools B23KSOLDERING OR UNSOLDERING WELDING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY

B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups

B23K37/003Cooling means B23K37/006Safety devices B23K37/02Carriages for supporting the welding or cutting element B23K37/0205guided by hand B23K37/0211travelling on a guide member B23K37/0217the guide member being fixed to the workpiece B23K37/0223the guide member being a part of the workpiece B23K37/0229the guide member being situated alongside the workpiece B23K37/0235the guide member forming part of a portal B23K37/0241Attachments between the welding or cutting element and the carriage B23K37/0247Driving means B23K37/0252Steering means B23K37/0258Electric supply or control circuits therefor B23K37/0264magnetically attached to the workpiece B23K37/027for making circular cuts or welds B23K37/0276for working on or in tubes B23K37/0282Carriages forming part of a welding unit B23K37/0288Carriages forming part of a cutting unit B23K37/0294Transport carriages or vehicles B23K37/04for holding or positioning work B23K37/0408for planar work B23K37/0417for spherical work B23K37/0426Fixtures for other work B23K37/0435Clamps B23K37/0443Jigs B23K37/0452Orientable fixtures B23K37/0461Welding tables B23K37/047moving work to adjust its position between soldering, welding or cutting steps B23K37/053aligning cylindrical work Clamping devices therefor B23K37/0531internal pipe alignment clamps B23K37/0533external pipe alignment clamps B23K37/0535longitudinal pipe seam alignment clamps B23K37/0536for maintaining flanges on tubes B23K37/0538for rotating tubes B23K37/06for positioning the molten material B23K37/08for flash removal