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
Round Tube Finishing Machines - MLW100



About MLW100

Round tube wet finishing machine – MLW100 – is the perfect choice for finishing and polishing round tubes, oval tubes and elliptical tubes with water cooling system.

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 tube polishing quality.

The wet system enables a faster cooling of the tube as well as the possibility of working different metals simultaneously such as aluminum tubes, stainless steel tubes, steel tubes.

Round Tube Finishing Machines MLW100


Round Tube Finishing Machines MLW100
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 MLW100
Straight or curved tubes polishing

MLW100 was designed to finish either straight tubes (automatically) or bent tubes (manually).

Round Tube Finishing Machines MLW100
Wet cooling system

Enables to reduce the temperature of the tubes during finishing operation and to keep dust away from grinding area, filtering it. Water cooling system in closed circuit. After being sprayed to the finishing area the water is filtered and pumped back to the machine.

Round Tube Finishing Machines MLW100
Automatic filtering and pumping system

As an alternative to the standard manual system, the automatic option provides a continuous renovation and monitoring of the filter paper cleanness, avoiding the operator to control this task.

Round Tube Finishing Machines MLW100
Solid and heavy construction

With an isolated compartment for the motors behind the finishing wet area, the MLW100 is the solid and professional design machine for wet tube finishing

Round Tube Finishing Machines MLW100
Oval tubes

Oval or elliptical tubes polishing or simply out-of-round tubes can be safely and consistently finished with MLW100

Round Tube Finishing Machines MLW100
Finishing after tube drilling

Maximum adaptability of the abrasive belt to holes or gaps in the material surface.


MLW100 – Round Tube Wet Finishing Machine Demonstration Video

Feeding System for Irregular Surfaces – Tube Finishing Machine Demonstration Video


Technical specifications

Working capacity (Ø mm)10 - 114
No. Stations1
Abrasive belt dimensions (mm)(2x) 50x940
Abrasive belt speed (m/s)3-22
Feeding speed (m/m)1-5
Abrasive belts motor (kw)3
Wheel motor (kW)1.5
Feeding motor (kW)(2x) 0.12
Total power (kW)5
Consumption (A)11
Dimensions (mm)1050x1400x1500
Weight (kg)490

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 - ML100


Catalogue Metal Finishing machines

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




Para mais informações sobre os nossos produtos entre em contacto connosco preenchendo o formulário abaixo.


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NS Máquinas

NS Máquinas