Cross Sections:- Round tubes
- Rectangular tubes
- Square tubes
- Contoured tubes
- Composite tubes
Dimensions:- Diameter: 3 to 168 mm
- Wall thickness: 0.15 to 5 mm
- Diameter/wall ratio: 8:1 to 250:1
Materials:- Steel
- Stainless steel
- Aluminum
- Titanium
- Titanium-Zinc alloy
- Copper
- High tensile steels and Aluminum alloys
Strip Entry Lines:- Uncoiler
- Straightening machine
- Strip shear & end welder
- Strip accumulator
- Strip edge preparation
Welding Technologies:- High Frequency Welding: Suitable for most metals, speeds over 180 m/min, cost-effective for tight-tolerance and contoured tubes.
- LASER Welding: Exceptional quality, suitable for almost all metals, allows for innovative profiles and clean seams without further finishing.
- TIG Welding: High seam quality, suitable for precision and thin-wall tubes, cost-effective with high line speeds.
Applications:- Complex profiles and tubes with high demands on weld seam
- Tailored tubes
- Precision tubes
- Thin-wall tubes
- Aluminum-composite tubes
Scope of Supply:- Complete systems including strip entry lines, punching, and cut-off units for LASER welding.
- Turn-key welding systems including coil handling, seam welding, and in-line seam re-galvanizing for HF welding.
- Turn-key systems with all auxiliary equipment for TIG welding.
Company Information:- DREISTERN GmbH & Co. KG, Germany
- DREISTERN Inc., USA
Conclusion: DREISTERN offers advanced rollforming and welding technologies to enhance productivity and quality, with over 60 years of experience and more than 1500 systems installed worldwide.
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