FLATS BUTT WELDER Russian patent published in 1995 - IPC

FIELD: butt welding of flats. SUBSTANCE: machine has fixed and axially movable parts. Guides 21 are installed on movable part of machine for turning in vertical and horizontal planes. Platform 28 carrying flats clamping mechanism 33 is installed on guides on rollers 25 with vertical adjustable eccentric axles and rollers 26 with horizontal adjustable eccentric axles. Similar units are mounted on fixed part of machine. Machine has also shears for end trimming of flats, flats welding mechanisms and flash trimmer. Tool holders of flash trimmer have rotating axle and two disks installed on axle at both sides of tool. Machine makes it possible to enhance guality of weld owing to fact that flat feed mechanism guides are adjustable relative to plane of cut which makes it possible to accurately set the flat from cutting position of welding position. Rollers 25 and 26 provide installation of platform in guides without clearance. Self-alignment of cutting tools relative to flat ensures high quality of flash trimming. EFFECT: enhanced quality of weld. 7 dwg