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Cold cutting flying saw cutting Swellex Rock Bolts tube
Swellex Rock Bolts tube are used to control the roof fall of the fully mechanized mining face, and can also be used in the construction of coal, metallurgy, hydropower, railway, chemical, and military mines, shaft engineering, iron.
Temporary and long-term support for road tunnels, Shidong oil depot, hydropower projects, and civil air defense projects. When Swellex Rock Bolts tube is expanded by water injection, 15MPa high-pressure water acts on the pipe wall through the pipe wall.
Because the tube needs to bear strong water pressure, the tensile and yield strength of the pipe are relatively high, and seamless steel pipes are generally used for production. The cost of pipe production remains high. There have been many successful cases of Swellex Rock Bolts tube made of high-frequency welded pipes in the world. The high-frequency welded pipe production line is matched with a cold-cut flying saw to obtain a smooth and neat steel pipe edge.