Stitch Welding BSW 30

Precision longitudinal stitch welding for cylindrical vessels and ducts up to ¢1000mm.

Industrial stitch welder engineered for high-volume production of cylindrical vessels, tanks, and HVAC ducts. Delivers oxide-free copper wire fusion welding with automated positioning for consistent 6mm overlap joints across ¢100–¢1000mm diameter range.

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Key Specs

Key Specs

Power

40Kw

Weight

2500Kg

Speed

2m/min

Overview Points

Diameter Versatility

Welds ¢100–¢1000mm cylindrical workpieces with 0.4–1.2mm thickness for tanks and ducts

Oxide-Free Welding

¢2.0–2.2mm copper wire fusion creates clean joints without post-weld cleanup or oxidation

Dual Weld Modes

Switch between continuous strip and spot welding to match structural requirements

Consistent Overlap

Automated clamping maintains 6mm overlap across 50–1000mm length, reducing rejects

Spark-Free Operation

Protects thin-gauge materials from burn-through while improving workshop safety

Continuous Wire Feed

Integrated spool system delivers uninterrupted copper wire supply, minimizing downtime

Hands-Free Control

Foot pedal with pneumatic actuation enables precise start/stop while handling workpiece

NC Integration

Synchronized welding head, feed, and clamping at consistent 2 m/min speed

Key Features

The BSW 30 uses ¢2.0–2.2mm copper wire as a filler and shielding medium, preventing oxidation at the weld zone. This eliminates the need for secondary surface treatment and produces a visually clean, structurally sound seam — critical for containers and ducts that carry air, fluids, or gas.

A mechanical positioning clamping device locks the workpiece at a fixed 6mm overlap before welding begins. This removes operator guesswork and ensures uniform joint geometry across the entire 50–1000mm welding length, whether running continuous seam or spot weld patterns.

With a diameter range of ¢100–¢1000mm and thickness capacity of 0.4–1.2mm, the machine handles everything from small HVAC duct sections to large rolled tank shells on a single setup — reducing the need for multiple welding stations on the production floor.

Unlike conventional MIG or open-arc processes, the BSW 30’s welding method generates no sparks. This allows deployment in enclosed workshops or near flammable materials without additional fire-suppression measures, while also protecting thin-gauge workpieces from spatter damage.

The integrated NC welding control interface synchronizes clamping pressure, wire feed rate, and welding speed (2 m/min) into one coordinated cycle. Combined with TIG/GTAW and MIG-MAG/GMAW complementary process support, the system adapts to different material and joint requirements without external controllers.

Technical Specifications

The welder is used for longitudinal welding of rolled gold plates such as containers and tanks.

Diameter Range ¢100-¢1000mm
Welding Length 50-1000mm
Amount Of Overlap 6mm
Welding Thickness 0.4-1.2mm
Welding Speed 2m/min
Copper Wire Diameter ¢2.0-2.2mm
Power 40Kw
Weight 2500Kg
Equipment Size 1000×2000×1700mm

Applications

HVAC spiral and longitudinal duct seam welding

Cylindrical tank and vessel fabrication

Container and canister manufacturing

Thin-wall stainless steel or galvanized tube joining

Industrial ventilation component production

Water heater and boiler shell assembly

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FAQ

The key specifications of Stitch Welding BSW 30 include: Power: 40Kw, Weight: 2500Kg, Speed: 2m/min. Contact us for the full specification sheet.

Stitch Welding BSW 30 is widely used in: HVAC spiral and longitudinal duct seam welding; Cylindrical tank and vessel fabrication; Container and canister manufacturing; Thin-wall stainless steel or galvanized tube joining.

All NTBOBO machines come with a 1-year warranty from the date of Bill of Lading. Our engineering team provides 24-hour technical support throughout the warranty period.

We accept 30% down payment by T/T (Telegraphic Transfer), with the balance due before shipment. Other payment arrangements can be discussed for long-term partners.

Standard delivery is within 10-35 working days after receiving the down payment, depending on the machine model and customization requirements.

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