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Common Defects in Small-Diameter Thin-Wall Tube Welding Tube makers running φ10–26mm precision lines report four recurring problems: edge wave and buckling on 0.4–1.5mm strip, drifting weld seams that leave ... Leia mais

Problem Small diameter tube makers often struggle to hold roundness and weld straightness when running Φ8-18mm pipe. A tiny cross-section amplifies any roller misalignment into visible ovality and a wandering ... Leia mais

Edge Wave and Instability During Tube Forming Every tube defect starts at the forming section. Edge wave, strip camber and uneven bending force the strip into the weld off-center, producing oval, wavy or split ... Leia mais

Problem A strip jam or hard spot sends a shock load through the forming stands, and without protection the rollers, shafts and bearings absorb it, causing expensive damage and long downtime. Cause Unexpected ... Leia mais

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 ... Leia mais

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 ... Leia mais