What tube sizes does the MR273 cut?

The MR273 cuts round tube from Ø102 – Ø273, square section up to 80 – 200 mm and wall from 2.5 to 12.0 mm. Larger sizes and heavier walls move up to the next model in the range.

How fast does it cut?

Line speed 40 m/min, and the cut length runs from 4,000 – 12,000 mm. Actual length accuracy depends on the encoder, the clamp and the carriage speed being matched to your line speed.

Which saw blade should I use?

HSS / TCT. HSS is the economical choice for thin wall and general carbon steel; TCT lasts longer and holds an edge better on harder material and thicker wall.

What does the saw motor size mean?

The saw motor is the one doing the cutting. 15 kW × 2 on this machine, with the carriage on 37 kW servo and feed on 4.4 kW × 2. The three are matched as a set; you cannot upgrade one of them on its own.

Can this saw be added to an existing mill?

Yes. Send us the mill model, the tube OD range and the line speed, and we will confirm the foundation, the power supply and the control interface before you commit.

Is this model available with a twin blade arrangement?

The twin blade coordinate type exists for the same size range and is worth considering if your wall is at the heavy end of the specification. We will tell you honestly which one is the better economic choice for your duty.

MR273M Milling Type Flying Cut-Off | Ø102 – Ø273 Twin Blade, 2.5 – 12.0 Wall

What the MR273M milling cut-off does

The same diameter number as the single-blade MR273, with a different answer to the wall question: two blades instead of one, and 12 mm instead of 8 mm.

A gantry twin-blade unit with a 1200 mm baseline, built for water transmission pipe and large API pipe where 12 mm wall in Ø273 is routine. The two cutting forces counteract each other, so the tube stays still without an oversized clamp, and the cut stays square at depths a single blade would struggle with. Speed stays at 40 m/min — the trade is paid in machine complexity, not in cycle time.

Technical specifications

Model	Round tube OD	Square section	Wall thickness	Line speed	Cut length	Saw blades	Saw motor	Feed motor
MR273M	Ø102 – Ø273	80 – 200	2.5 – 12.0	40 m/min	4,000 – 12,000	Twin blade, profile milling	15 kW × 2	4.4 kW × 2

What comes with the machine

Twin-blade milling head — two blades share the cut, so heavy wall stays economical and the face comes off square.
Profile following — the head traces the tube section, round or square, instead of cutting straight across it.
Saw blades — HSS / TCT blade pair, sized to the diameter range rather than to one enormous disc.
Control — servo feed on each axis, coordinated by the profile controller.
Guard and extraction — enclosed cutting with chip extraction.

Where it is normally installed

Like every flying cut-off, the machine sits on the exit side of the sizing stand and travels with the tube. The difference is the cutting path: the head mills around the section, which takes a little longer per cut and buys the ability to cut diameters and walls no single-blade saw can touch economically.

All Milling Type Flying Cut-Offs

Model	Round tube OD (mm)	Wall thickness (mm)	Line speed (m/min)	Saw motor	Feed motor
MR219M	Ø89 – Ø219	2.0 – 12.0	40	15 kW × 2	7.5 kW × 2
MR273M	Ø102 – Ø273	2.5 – 12.0	40	15 kW × 2	4.4 kW × 2
MR377M	Ø140 – Ø377	3.0 – 15.0	35	22 kW × 2	4.4 kW × 2
MR426M	Ø102 – Ø426	4.0 – 12.0	40	22 kW × 2	4.4 kW × 2
MR508M	Ø219 – Ø508	3.0 – 16.0	30	22 kW × 2	4.4 kW × 2

Questions buyers ask about the MR273M

[(‘MR273 or MR273M — which one do I need?’, ‘Look at the wall. Up to 8.0 mm, the single-blade MR273 is the simpler and cheaper machine. From 8 to 12.0 mm, the MR273M is the right tool. Everything else about the diameter is the same.’), (‘Why is the twin-blade machine not slower than the single blade?’, ‘Because the limit is chip load, not travel speed. Sharing the cut between two blades keeps the load per tooth inside limits at the same line speed.’), (‘Does the MR273M need special tooling for each size?’, ‘The blade pair covers the diameter range; size change is a setting, not a tooling change, within the machine envelope.’)]

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