Cutting process of large H-shaped steel

• Main Authors: SHI ZHANLEI, HOU YU, LIU JIAWEI, LIU YANTING, XU DACAI, ZUO FENGJIAN, DUAN LIANQIN, WANG LUNZHI
• Format: Patent
• Language: Chinese; English
• Published: 14.04.2023
• Subjects: CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; TRANSPORTING; WELDING; WORKING BY LASER BEAM

The invention discloses a large H-shaped steel cutting process which comprises the following steps: S1, manufacturing a cutting wing plate guide device, and mounting the guide device on H-shaped steel; s2, a pipeline cutting machine is adsorbed to the plate face of a wing plate of the H-shaped steel, and the cutting angle and height of a cutting torch of the pipeline cutting machine are adjusted; s3, a wing plate straight opening of the H-shaped steel is cut, and the joint of the wing plate allowance of the H-shaped steel and the web is cut off; s4, a groove boundary line is made, and a pipeline cutting machine cuts a wing plate face groove and an inner wall groove from the edge of the upper portion of the H-shaped steel wing plate along the groove boundary line; s5, the steps S2-S4 are repeated, and cutting work of the wing plate on the other side of the H-shaped steel and the wing plates on the two sides of the other end of the H-shaped steel is completed; and S6, a plate cutting machine and a manual cuttin