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SEUTHE HIGH PRECISION TUBE MILL 38x3

High-Precision Tube Production Line 38x2.7 SEUTHE / EFD / MAIR

Technical Specifications

- Diameter Range: 11 – 38 mm
- Wall Thickness Range: 0.7 – 2.7 mm
- Maximum Speed: 120 m/min

Special Features

- Strip cleaning tunnel for removal of oils and contaminants
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- Inline cold rolling with Vollmer thickness control, enabling strip thickness reduction from 0.03 mm to 0.3 mm
- FP3 reinforcement to process high-strength steels
- Individually motorized sizing stands
- Tungsten carbide rolls in the forming section
- Ceramic rolls at the welding station
- All tube-contact parts are NON-MARKING

High-Frequency Welded Tube Line SEUTHE / EFD / MAIR 38x2.7

This premium-quality production line is engineered for the manufacturing of high-tolerance welded steel tubes, offering superior surface finish and outstanding dimensional accuracy. Designed to meet the most demanding requirements of the automotive, furniture, and high-end tube manufacturing sectors.

This tube line has been developed to ensure exceptional dimensional tolerance, reaching values of up to ±0.05 mm, producing tubes up to 660 N/mm². It incorporates a strip washing tunnel that removes oils and contaminants, providing optimal welding conditions and consistent surface quality.

A key element of the installation is the inline cold rolling unit with Vollmer thickness control, enabling precise adjustment of the strip thickness prior to forming. This system allows for controlled thickness reductions from 0.03 mm up to 0.3 mm, improving material homogeneity and process repeatability.

The individually motorized sizing stands (Siemens electric drives, 2024) ensure maximum stability, flexibility, and repeatability during production.

The forming and welding section is equipped with a High-Frequency EFD Weldac Welder (2019), tungsten carbide rolls, ceramic rolls at the welding area, and all contact parts specifically designed to avoid marking the tube, making the line ideal for decorative and high-specification tubes. The sizing section and inline inspection systems ensure excellent roundness and inside diameter tolerances of ±0.08 mm.

Cutting operations are performed by a MAIR flying cut-off saw (2019) with CNC control and non-marking clamping jaws, enabling optimized cutting cycles and high productivity. The line also features eddy current testing, demagnetization, defect marking, cleaning and anti-corrosion oiling systems, ensuring total quality control of the final product.

Current Condition

Offered in excellent condition, currently connected and in production in Europe, this complete tube manufacturing line represents an outstanding opportunity for manufacturers seeking a high-end turnkey solution for precision welded tube production.

Tube O.D. Range: 11 – 38 mm
Wall Thickness Range: 0.7 – 2.7 mm
Maximum Speed: 120 m/min

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