Servo-driven accuracy for up to 4″ tube

The Umprotech all-electric mandrel CNC tube bender for the US market is sized for mid- to large-diameter tube sets up to Ø4.0″ and 20 ft length. Fully servo-driven axes deliver repeatable, stackable bends with tight tolerance control—well suited to production cells and high-spec tube fabrication.

Mandrel support up to 3.0×D CLR

A complete mandrel package with mandrel extractor, wiper die, and pressure die assist supports centerline radii up to 3.0×D, giving you the range to tackle both tight layouts and moderate sweeps. The integrated anti-wrinkle system helps control ovality, wall thinning, and surface marks on thin-wall and high-strength tubing at aggressive CLR values.

Multi-radius tooling and controlled flow

Multi-radius tooling allows several CLR setups on one machine, ideal for assemblies that mix tight crossovers with longer arcs. Auto-lubrication maintains mandrels, dies, and sliding components for consistent surface finish, long tool life, and reduced manual maintenance in continuous production.

3D programming, simulation, and anti-collision

The control platform provides 3D programming with simulation so operators can validate bend sequences before production. XYZ/rotation import streamlines programming from CAD or measuring systems, while anti-collision monitoring helps protect tooling, mandrel, and machine structure when bending complex multi-plane tube shapes.

Automation and throughput options

Extend capability with an optional booster for ultra-tight radii within the 3.0×D envelope, plus auto loader/unloader systems for hands-off handling of long stock. A weld seam detection option keeps seam orientation under control for safety-critical, pressure-rated, and cosmetic assemblies.

*Actual performance varies with material grade, wall thickness, tooling design, and process setup.