steel coil cutting machine ผลิตออนไลน์

Problem Older vacuum-tube welders waste energy, drift with temperature, and respond slowly to speed changes, producing inconsistent weld strength and higher electricity cost per ton of tube. Cause Vacuum-tube ... อ่านเพิ่มเติม

Problem Single-radius rollers force the strip edge through one sharp bend, creating edge strain, marking and uneven deformation that shows up as weld and roundness defects. Cause A single radius concentrates ... อ่านเพิ่มเติม