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Heating process showing ODOROX and acetylene cylinders in the background. May be used in connection with promoting ODOROX.

Flame Straightening

Welding and cutting create tensions in the material that can lead to undesirable deformations. If those deformations cannot be accepted, the piece must be straightened.

Flame straightening is often a suitable method. It costs significantly less to flame straighten than to make new parts. In fact, it is often the only alternative. In the ship-building industry up to half of working time is taken up by straightening of deformations.

Flame straightening is carried out by rapidly heating the construction or piece locally. This causes a local deformation since the heat distribution is prevented by the surrounding cold material. When the material cools down it will shrink, correcting the deformation. The method is suitable for steel, nickel, copper, brass, aluminium and titanium.

Even though different fuel gases can be used for heating, acetylene is the best choice since it provides the hottest and most concentrated flame as well as the fastest heating. By using ODOROX® (odorized oxygen) you can minimize the risk of fire and explosion which is associated with fuel gases. The smell warns of gas leaks in good time.

The choice of equipment for flame straightening depends on the material to be straightened. With a standard burner it is possible to straighten up to 15 mm thick plates. For the straightening of large areas, as in ship production, special burners with three or more nozzles are used. These burners are mounted on wheels to enable them to be moved easily over large areas.

Avoid risks by following the safety instructions for hot work.

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Related links:
  • ODOROX® Odorized Oxygen
  • Cutting & Welding Gases
  • Cutting & Welding Equipment
  • Welding Related Processes
Download
ODOROX® Odorized Oxygen Brochure UK(PDF 822.0 KB) ODOROX® Odorized Oxygen Datasheet UK(PDF 132.0 KB) Laserline global gas solutions brochure 2018(PDF 2.0 MB)
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