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5-axis portable CNC cutting & welding | MCM Machine for wind tower door frame cutting/welding application.

Promotech’s MCM machines are a true portable CNC cutting and welding machines. They can work on round, conical or flat surfaces as well as on multi-surface parts. These machines are designed and manufactured by Promotech and are made of highest quality European parts.
The application of a door frame to a wind tower, which requires cutting, beveling, assembling and welding processes, is a time consuming operation that deeply affects the manufacturing cycle.

Promotech’s MCM Machines – Portable CNC Oxy-Cutting & Beveling and SAW Welding accepts two technologies that apply door to tower:

  • Door frame welded directly on the tower
  • Door frame is welded in a rectangular plate, which is then welded in the tower section
  • Cutting & Beveling openings in Big-size Monopiles, and maximum plate thickness up to #150 mm
  • and It’s a one-man operation.
In all cases MCM machines produce perfect joints, door frame fit up and MCM SAW welds in “full penetration” class acceptability level B according to ISO 5817. Less than 1% of welding defect rate and no grinding by the finished welded seam of the door frame inside and outside tower section it’s confirmed by customers in Wind Business.
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