Oxy-arc Cutting

When the oxygen-arc cutting the arc between a consumable electrode and the metal being cut. The welding electrode is tubular and channel electrodes inside the cutter is fed oxygen. Doug provides heating of the metal and oxygen, oxidizing the iron-intensive, it provides combustion and blowing from the cutting zone (see figure).

Oxygen-arc cutting process

The widespread oxy-arc cutting was for cutting metal underwater. There are two kinds of electrodes: tubular steel and carborundum. The steel electrode has a diameter of 5-6 mm, the inner channel diameter of 1.5-2 mm. Electrode length of 350-400 mm. The burning time of the electrode - 1 minute.

The electrodes of the silicon carbide ceramics were named (see figure). It has a length of 250 mm, burning time is about 15 minutes. Ceramic electrodes have a large diameter: 15-18 mm.

 cross section of electrodes for oxygen-arc cutting

A - steel tubular electrode;
B - Ceramic (carborundum) electrode.
(1 - a metal shell, 2 - cover 3 - steel tube, 4 - channel for oxygen, 5 - waterproof coating, 6 - carborundum rod)

Holders of the electrodes have a special design that provides a supply of oxygen to the electrode, its opening and closing, high electrical insulating properties.

Oxy-arc cutting is used for cutting ferrous and non ferrous metals up to 120 mm thick, at depths up to 100m Current 200-350A, oxygen pressure 03.10 bar (depending on thickness).

Can semi-oxy-arc cutting. In this case, the wire is cleaned by oxygen concentrically.

Cutting technology:

Oxygen Cutting Oxygen Flux Cutting Oxygen Lance Cutting Air-arc cutting

Oxy-arc Cutting Plasma Cutting Laser Cutting Waterjet Cutting