VSTW-R
The manual stitch welder for round pieces
The stitchwelder is a multi-purpose machine designed for welding leak-proof quality weld seams on round pieces.
The VSTW-R in its basic configuration
By adjusting the welding arms, the VSTW-R can be adapted to accommodate many different circumferential weld seams. The welding arms can rotate independently if required by the geometry of the work piece.
Benefits at a glance
- Complex radial seams welded with a simple machine
- Welding roller cooled from inside even on a diameter of 75 mm
- On customers´ request special welding arms possible
Technical Data
| Parameter | Value |
| Welding length | min. 60 mm | 2.4“ max. 250 mm | 10“ |
| Welding diameter | min. 75 mm / 100 mm | 3" / 4” max. 1,000 mm | 40" |
| Material thickness | 0.3 – 0.9 mm | 0.012 – 0.035" |
| Overlap | variable |
| Copper wire | 2.0 mm round | 0.078” round |
| Weld speed | 2 - 9 m/min | 6.6 - 30 ft/min (adjustable) |
