Oxygen cutting of pipes

Oxygen cutting of pipes This is performed with a cutting torch powered by acetylene or another substitute gas. Pipe cutting is primarily used to trim pipe ends. Pipes are then stored for subsequent technical procedures, such as welding or removing defective sections and holes in pipelines. The pipe can be cut in any position; for small diameters, it is cut without rotating the pipe. If the pipe is fixed, the cutting torch moves along a guide angle, and if the pipe can be rotated, special devices such as roller stands or special carriages are used.

Speed oxygen cutting of pipes It varies, depending primarily on the pipe wall thickness. If the thickness is between 6 and 12 mm, the speed does not exceed 800 mm/min.

When installing the cutter at an angle of 15 - 20⁰ The speed increases significantly and improves the oxygen exposure to the cutting metal, which increases metal oxidation. However, the time required to heat the pipe to ignition temperature increases to 60–70 seconds. Therefore, to prevent this, a steel rod or iron powder is introduced into the reaction zone. This allows the cutting speed to be maintained at 1.5–2.5 m/min for steel pipes with diameters of 300–1020 mm and thicknesses up to 12 mm.

Oxygen cutting of pipes This is done with insert or universal cutters. To select the desired mode, consider the thickness of the metal that can be cut with the cutter, as specified in the cutter's specifications. Cutting pipe made of steel containing molybdenum and chromium, as well as chromium, molybdenum, and vanadium, with a thickness greater than 12 mm, and at air temperatures below 0⁰, must be produced with preheating to 200⁰With and immediately subsequent cooling under a layer of asbestos.

Oxygen cutting of pipes Outside of a factory setting, this can be accomplished using the portable ORBITA machine, which moves along a special flexible steel belt. This ensures complete, precise alignment from start to finish. The ORBITA machine has a copying device that allows for trimming pipe ends at angles of 1, 3, 5, and 6.⁰ accordingly to the pipe axis. This machine is also used in industrial plants.

Oxygen cutting of pipes The Zh08A7920PS (KOMETA) machine is used for ring cutting of main gas pipelines in the field and can create a special bevel for welding. The modern "PINE COSTER" model is an automatic machine with a wide range of functional options depending on the intended application.