A tube laser cutting machine cuts tubes and sections with a fibre laser while chucks turn and feed the tube under the head. It cuts lengths, end shapes, holes and slots in one pass from a 3D file. Loaders and unloaders let it run long bars with little handling, so fabrication shops use it to cut frame parts ready for bending and welding.
Quick facts
- Laser
- Fibre, about 1–6 kW
- Tube sizes
- About 12–220 mm (0.472–8.66 inch) round; larger on heavy machines
- Shapes
- Round, square, rectangular, oval, angles and channels
- Bar length
- 6 m common; up to about 12 m
- Chucks
- 2–4 pneumatic or electric chucks
- Input
- 3D models (STEP) and tube nesting software
Main parts
- Fibre laser source and cutting head (often with a 3D bevel head)
- Rotating chucks that hold, turn and feed the tube
- Bundle loader that lifts single tubes in
- Support rollers that follow the tube's shape
- Unloading table that sorts finished parts
- Fume and slag extraction from inside the tube
Good to know
- Inner wall protection stops spatter marking the far side of the tube
- Tab-and-slot designs make welding frames faster and more accurate
- Bevel heads cut weld preparation on thick-wall tube
- The remnant at the end of each bar is shorter with 3- or 4-chuck machines
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Questions
- What tube sizes can a tube laser cut?
- Most machines cut round tube from about 12 to 220 mm (8.66 inch) diameter and square tube to about 150 mm (5.91 inch) side; heavy machines go larger.
- What laser power is needed for tube cutting?
- About 1–3 kW suits most mild and stainless steel tube up to about 6 mm (0.236 inch) wall; higher power cuts thicker wall faster.
- Can a flat-bed laser cut tubes?
- Some flat-bed machines have a rotary attachment for occasional tube work, but a dedicated tube laser is much faster and handles long bars.
The figures on this page are typical values for guidance, written by Diemeco from standard engineering practice. They are not a specification: confirm grades and properties with the relevant standard or the supplier's mill test certificate, and tolerances with your workshop. Last checked 22 October 2026.