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English explainer about tube wrinkling and flattening during bending

TUBE BENDING · TROUBLESHOOTING

Published September 27, 2026 8 min read

Why Do Tubes Wrinkle or Flatten During Bending?

Learn what causes tube wrinkling, flattening and excessive ovality, plus the correct order for adjusting the mandrel, wiper die, pressure die, boost and lubrication.

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