"Shouchuang Hao" vertical tunnel boring machine
The world's first super-large diameter hard rock vertical tunnel boring machine for high-altitude cold regions
The machine stands 44 meters tall, weighs 1,350 tonnes, and has an installed power of 4,500 kW. The cutterhead reaches up to 14 meters in diameter, with a drilling speed of up to 20 milimeters per minute. It successfully completed Shaft No. 2 of the Tianshan Shengli Tunnel in Xinjiang, filling a gap in fully mechanized large-diameter shaft construction in China.
