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A manual chain-driven pipe-cutting machine that provides smooth, accurate cutting action by incorporating a low gear ratio and worm wheel drive. Cuts 5-50mm thick wall on pipe with 114-600mm (4-24) diameter. The scale on a rack and pinion can set the bevelling head angle quickly and accurately. This complete package is supplied with a 2.4m length of guide chain and a selection of ANM cutting nozzles. Solidly constructed using brass, chromed and stainless steel parts.
Straight answers to the questions people ask most when choosing and using gas cutting machines.
A machine carries the torch at a steady speed along a set path, so the cut is straighter, smoother and more consistent than one made by hand. It also takes the strain and the heat off the operator and gives repeatable results across many cuts, which means less grinding and rework on the edges.Hand cutting is still quick for one-off, rough or awkward cuts. But when you need long straight edges, bevels, repeated accurate cuts in plate, or clean square cuts on pipe, a machine gives a much better and more consistent result.
The common portable types are the straight-line carriage that runs along a track and cuts straight lines, often with the option of a bevel, and the pipe cutting machine that is driven round the pipe on a chain or band. Larger machines cut shapes and profiles under a numerical or optical control and can carry more than one torch.For most workshops and sites a portable track machine is the starting point. Choose by what you cut most: plate, pipe or shapes.
Mark the cut line, then lay the track alongside it, parallel and in contact with the plate, and set the torch height and position so that the flame follows the line. Make sure the track is straight, clean and secure and cannot shift during the cut, and that the plate is flat and supported so the offcut cannot pinch or fall away unexpectedly.Check that the torch is square to the plate, or at the angle you want for a bevel, and support the hoses so they do not pull the carriage off line. Run the machine without the flame first to check that it travels the whole length of the cut freely.
Machine cutting still gives off sparks, molten slag, intense heat, light and fume. Wear eye protection with the right filter, gloves, flame-resistant clothing and sturdy boots, and keep the area clear of anything flammable. Fit flashback arrestors, follow the safety procedures for gas cylinders and hoses, and keep a fire extinguisher close.Although the machine moves by itself, stay with it while it is running and be ready to shut off the gases if it jams or the flame goes out. Keep cables out of the path of hot slag and use a residual current device on mains-powered equipment where your risk assessment requires. Ventilate well or use extraction when cutting galvanised or coated steel.
