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Sākums> Process

PROCESS

  • Izejvielu pārbaude

    Izejvielu pārbaude

  • Head making (Squeeze head, driving, cutting )

    Head making (Squeeze head, driving, cutting )

  • Rust removal and lubrication

    Rust removal and lubrication

  • Dynamics test (Sampling test of each batch to keep the quality )

    Dynamics test (Sampling test of each batch to keep the quality )

  • Heat treatment (Annealing, normalizing and tempering)

    Heat treatment (Annealing, normalizing and tempering)

  • Drawing (Empty drawing or core lining)

    Drawing (Empty drawing or core lining)

  • Finishing (Straightening and shaping)

    Finishing (Straightening and shaping)

  • Dimensional inspection (Surface appearance, dimensional tolerance)

    Dimensional inspection (Surface appearance, dimensional tolerance)

  • Head and tail cutting, weighing, packaging, delivery

    Head and tail cutting, weighing, packaging, delivery

COLD BENDING PRODUCTION PROCESS

  • Longitudinal shear
  • Uncoiling
  • Nolīdzināšana
  • Shear butt welding
  • Spiral looper
  • frēzēšana
  • High frequency welding TBS forming
  • Remove internal and external burrs
  • Ultrasonic flaw detection
  • Weld heat treatment
  • Air cooling and water cooling
  • Izmērs
  • Iztaisnošana
  • Noņemšana
  • Flushing end
  • Hidrostatiskais tests
  • Flaw detection for the whole pipe body
  • Pārbaude
  • Marķējums
  • Iepakošana
  • Noliktavu pakalpojumi
  • Piegāde

KVALITĀTE

The main process characteristics of cold-drawn seamless tube are introduced