Longitudinal Seam Welding Machine Spiro Stitchwelder PRO 2.0

Longitudinal Seam Welding Machine Spiro Stitchwelder PRO 2.0


Stitchwelder PRO 2.0 represents the new generation of high-performance welding machines from SPIRO, designed to create airtight stitch or continuous seams on circular and cylindrical products (such as ventilation duct segments). It is equipped with a state-of-the-art digital control system, mercury-free welding rolls, simple setup procedures, and an optimized production cycle.

Features and Advantages

  • Industry-Leading Welding Speed: One of the fastest welding solutions available on the market, maximizing throughput.

  • Mercury-Free Welding Rolls: New generation of welding rolls designed without mercury, fully compliant with EU Regulation (EC) No 1102/2008.

  • Spiro Control System: Intuitive interface for managing welding programs. Supports loading, saving, and one-button backups; ready for PC connectivity via Spiro Connect.

  • Automatic Pressure Setting: Controlled directly from the panel, eliminating the need for manual mechanical adjustments.

  • Two-Step Function: Specifically designed to facilitate the easy handling of long or oversized workpieces during the welding process.

  • Optimized Welding Parameters: Precise adjustment of start/end current, seam speed, and stitch length for a perfect result.

  • Airtight Seam Integrity: Engineered to ensure a continuous, high-quality airtight seal from the very beginning to the end of the workpiece.

Standard Equipment

  • Monolithic Frame: Robust structure featuring the Spiro Control system.

  • Mercury-Free Welding Rolls: Environmentally friendly and high-durability components.

  • Touchscreen Control Panel: For program storage and easy parameter management.

  • Automatic Pressure Control: Real-time monitoring and setting of clamping force.

  • Two-Step System: For efficient processing of large-scale components.

  • Standard Software Package: Integrated software for comprehensive welding process management.

Options and Modules

  • Cooling Unit: Available in standard or mobile versions to extend the life of the rolls and stabilize the process during high-intensity shifts.

  • Spiro Connect Integration: Network/PC connection for data monitoring and remote backups.

  • Extended Range: Adaptations for specialized materials and non-standard product diameters.

  • Automation Integration: Packages for including the machine in fully automated lines (e.g., automatic feeding and transport).

Technical Specifications

Parameter Value
Welding Length 50 – 1000 mm
Product Diameter Range 75 – 1000 mm
Material Thickness 0.4 – 1.0 mm (Galvanized Steel)
Seam Overlap 6 mm
Welding Wire Diameter 2 mm
Adjustable Welding Speed 2 – 15 m/min
Maximum Productivity 700 segments/hour (for 315 mm/90° length)
Power Supply 1.5 kW / 400 V / 50 Hz

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