NS Máquinas

NS Máquinas is a manufacturer of machines for the metal finishing, deburring and polishing industry. Located in Portugal, NS Máquinas is able to create and offer machines which combine quality and adequacy for diverse production requirements. Know more about our complete program: Round Tube Polishing Machines, Flat Bar and Rectangular Tube Finishing Machines, Deburring and Edge Rounding Machines, Long Belt Finishing Machines and Polishing Machines.

Working Hours (GMT)

Monday - Friday 08:30AM - 17:30PM
NS Máquinas - Metal Finishing Machines

+ 351 229 741 618

DE | EN | PL | PT


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About ML200

ML200 round tube finishing machine finishes and polishes round, oval and elliptical tubes, straight or curved, up to Ø205mm.

The ML planetary system enables the work without rotating the tube, delivering the best results on bent and curved tubes as well.

The auto feeding system transports straight tubes safely and automatically through the finishing station, enabling a consistent and high productive finishing quality.


Round Tube Finishing Machine - ML200 máquina esmeriladora de tubo
Minimum tube vibration even on the biggest lengths

With the ML Planetary System the tube is not spinning. The abrasive belts rotate around the tube while it is safely transported by the feeding systems.

Round Tube Finishing Machines - ML200
Straight or curved tubes polishing

ML200 was designed to finish either straight tubes (automatically) or bent tubes (manually)

Round Tube Finishing Machines - ML200
Automatic feedings

Strong and solid design of the feeding systems for straight tubes. Fast adjustment for different tube diameters. Safe and vibration-free transport of long tubes.

Round Tube Finishing Machines - ML200
Low heat

The soft contact with abrasive belts with ML Planetary System has a very low heat on the tube surface, unlike other conventional systems.

Round Tube Finishing Machine - ML200 máquina esmeriladora de tubo
Manual loading and unloading tables

It is possible to equip ML200 with tables for easier tube loading, unloading and storage.


ML200 – Round Tube Finishing Machine Loading and Unloading System Demonstration Video

  ML200 – Round Tube Finishing Machine Curved Tubes Finishing Demonstration Video


Technical specifications

Working capacity (Ø mm)30-205
No. Stations1
Abrasive belt dimensions (mm)(2x) 70x1240
Abrasive belt speed (m/s)10-30
Feeding speed (m/m)1-4
Abrasive belts motor (kW)7.5
Wheel motor (kW)3
Feeding motor (kW)(2x) 0.18
Total power (kW)11
Consumption (A)24
Dust extraction connection (Ømm)100
Dimensions (mm)1150x950x1350
Weight (kg)560

Minimum Bend Chart

The numbers on this chart were calculated for “U” shaped curves. Therefore, please contact us in case you have different shapes of tubes to polish.

Round Tube Finishing Machines - ML200


Catalogue Metal Finishing machines

NS Máquinas Catalogue
English – Portuguese
(pdf – 6.37 MB)




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NS Máquinas

NS Máquinas