Machines for Bent Tube Polishing and Finishing

Garboli bent-tube machines grind, satin finish and polish the external surface of curved metal tubes through dedicated configurations. Orbital abrasive systems work around the section as the component is guided through the working area. Tube diameter, bend geometry, available clearance and the required surface appearance determine machine suitability. A configuration suitable for one bent tube is not automatically suitable for another.

All the Machines that work with bent tubes

LPC 300 S — Multihead pipe polishing machine LPC 300 S
Diameter min. / max.: D = 3-100 mm
Abrasive belt dimensions: S = 940 mm | L = 60 mm
LPC 90-135 — Tight bent tube polisher Grinding machines LPC 90-135 Orbital belt grinding machine
Diameter min. / max.: D = 5-25/5-35 mm (1" max)
Abrasive belt dimensions: S = 262/290 mm | L = 14 mm
LPC 300 — Tube grinding machine Grinding machines LPC 300 Orbital abrasive belts polishing machine
Diameter min. / max.: D = 5-114 mm (4,5" max)
Abrasive belt dimensions: S = 940 mm | L = 60 mm
LPC 300 Vs — Bent tube finishing machine Grinding machines LPC 300 Vs Planetary abrasive belts polishing machine
Diameter min. / max.: D = 5-114 mm (4,5" max)
Abrasive belt dimensions: S = 940 mm | L = 30 mm
LPC 500 — Belt finishing machine Grinding machines LPC 500 Orbital pipe polisher with abrasive belts
Diameter min. / max.: D = 10-203 mm (8" max)
Abrasive belt dimensions: S = 1570 mm | L = 90 mm
LPC 500 Wet — Bent pipe polishing machine Grinding machines LPC 500 Wet Orbital abrasive belts finishing machine
Diameter min. / max.: D = 10-203 mm (8" max)
Abrasive belt dimensions: S = 1570 mm | L = 90 mm

Working along a curved section

A bend changes the contact between the abrasive and the tube. The working arrangement must follow the external curve while maintaining stable support of the component. Garboli offers orbital and planetary configurations for these operations, with abrasive belts selected for grinding, satin finishing or polishing. Treatment of straight and curved portions depends on the machine limits, workpiece clearance and selected process.

The straight round and oval tube and bar machines serve a related but distinct geometry. For a broad view of the available surface operations, Garboli metal finishing machines cover grinding, satin finishing and polishing across the portfolio.

From preparation to reflective finishes

Surface preparation can remove visible marks left by earlier fabrication steps. Subsequent abrasive stages develop a uniform satin texture or prepare the tube for polishing. Dedicated mirror polishing configurations use finishing belts and, where provided, compounds to build a more reflective surface. The choice between these outcomes belongs to the intended appearance of the component, not simply to the fact that it is bent.

The Garboli Range bent-tube machines include compact working arrangements for this geometry. For a larger production route, discuss bent-tube suitability and handling requirements through the Performance bent-tube application; compatibility must be confirmed for the actual curved component. For details about the machines and the finish achievable on your curved components, contact the Garboli team.

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