Tunnel Shield Blade
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PTA Welding the Tunnel Shield Blades
PTA Surfacing the Tunnel Shield Blade The Tunnel Shield Blade is a crucial component in the tunneling industry. It is a circular disc with a series of cutting tools (such as disc cutters or drag bits) mounted on its surface, which is attached to t...Read more -
PTA welding the cutter ring in tunneling industry
PTA welding the cutter ring in tunneling industry The hob ring of a shield machine is an important cutting tool that is used for excavating rock tunnels. Its cutting principle relies on extrusion to break the rock, and it is ...Read more
