The VSTW-4K stitchwelder
  • ANDRITZ GROUP
  • METALS products
  • Welding
  • Resistance welding systems
  • Stitchwelder VSTW-4K

VSTW-4K

The manual stitch welder for linear square channels

The VSTW – 4K 1000/1270/1540 is a modification of the proven VSTW specifically oriented toward the production of square channels.

The VSTW-4K stitchwelder

The VSTW-4K stitchwelder

The machine design permits precise welding close to the corner of the channel, thus eliminating the need for costly rework.

Benefits at a Glance

  • Max. weld length 1,540 mm and smallest size 75 x 150 mm possible
  • Variable size of the rectangular profiles and change from one to the other in no time
  • Optimal positioning of the seam in the rectangular profile
Optimally placed weld seam near the forming edge

Optimally placed weld seam near the forming edge

Technical Data

ParameterValue
Welding lengthmin. 75 mm | 3“

max. 1,000 mm / 1,270 mm / 1,540 mm | 40“/50“/60“
Channel dimensionsmin. 75 mm x 150 mm | 3" x 6"
max. 1,000 mm x 1,000 mm | 40" x 40"
Material thickness0.4 – 1.0 mm | 0.016” - 0.04"
Overlap6.0 mm or 8.0 mm | 0.24" or 0.31"
Copper wire2.0 mm round | 0.078"
Weld speed3 – 12 m/min | 10 – 40 ft/min
(adjustable)

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