Rainbow Heavy Industries Co., Ltd., Wuhan three self-adjusting wheel frame and adjustable roller frame roller frame, with operating machines, welding positioner, submerged arc welding machines and other equipment used in conjunction with, the workpiece can be girth welded longitudinal seam welding and roll Wholesale rack can increase production speed welding and weld quality remained stable, greatly reducing the welding auxiliary time, reduce labor intensity and improve working conditions, improve labor productivity. Adjusting wheel frame by frame active wheel, driven wheel frame and control system components since. Active roller frame roller rotating AC inverter motor drive inverter, with a wide speed range adjustable roller frame, smooth rotation is good, low-speed characteristics and other characteristics of hard tube welding roller stand, driven roller frame roller gearless, passively driven by the active wheel frame rotates through the workpiece. ZT wheel frame can be within a certain range automatically adjusted according to the size of the workpiece diameter wheel set roller section swing angle, without manual adjustment, if on the height of the main post, driven rollers make appropriate adjustments can be cone into the constitution, points segment diameter ranging from the role of the assembly and welding rotator wheel frame, wheel frame, Wuhan three Rainbow Heavy Industries provided by Rainbow Heavy Industries Co., Ltd., Wuhan three. Wuhan three Rainbow Heavy Industries Ltd. (www.whshzg.com) strong, credible, in Wuhan, Hubei and other welding equipment and equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead three rainbow Wuhan Heavy and you work into the brilliant, for a better future!