FAQ about Pipe Cold Cutting

What is a cold pipe cutter? How do I use a cold pipe cutting machine? Why is cold pipe cutting necessary?
Questions about questions ☞ find the right answer here.

What is pipe cold cutting?

Pipe Cold cutting is a process for cutting pipes without heating the material. When high temperatures or high heat are not desirable, pipe cold cutting machines are used. This cutting method is very popular, especially in the offshore, high-pressure boiler and pipeline construction industries.

Qu'est-ce que la coupe à froid de tuyaux

What is a cold cutting machine used for?

What is a cold cutting machine used for ?

Pipe cold cutting machines are used for dismantling of coal-fired and nuclear power plants or the construction of new liquefied natural gas (LNG) teminals and pipelines for hydrogen. It is also used for repairing crude oil, naturas gas or hydrogen pipelines.

How to use a pipe cold cutting machine ?

A pipe cold cutting machine is a rotating machine that is clamped onto the outside diameter of the pipe. A rotating ring with a tool holder and a cutting tool rotates around the pipe and cuts it. 

Mode d'emploi d'une machine à couper les tubes à froid

Pourquoi la coupe à froid des tuyaux

Why pipe cold cutting ?

First of all, pipe cold cutting is important to avoid the heat affected zone and improve the properties of the pipe material. In addition, the process pipe cold cutting is safer than the hot cutting method and is guaranteed to create a bevel or cut end ready for welding for cost-effective operation.

What is a Heat Affected Zone?

In the heat-affected zone (HAZ), a structural change occurs during production without the material melting. This can lead to undesirable changes in the material properties or even to deformation and cracks due to thermal expansion. Especially in processes with high energy requirements, the heat propagation in the material is clearly visible in the color of the tarnish.
What is a heat affected zone
How does a cold cutting machine work

How does a cold cutting machine work ?

Piece by piece, the tool slowly cuts its way through the pipe. It is driven either by compressed air or hydraulics. The process is somewhat reminiscent of a lathe. Only in contrast, it is not the workpiece that rotates, but the machine including the tool – on the pipe. The machine is designed to cut through wall thicknesses of up to 80mm.


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Pipe Cold Cutting Machine

Pipe Cold Cutting Machine

DLW Pipe cold cutting and beveling machine for heavy duty pipes

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