SIGMA PRESSE Ltd manufactures special systems upon complete customer request. utomatic systems with interlocking, semi-automatic systems and complete production lines.
The Tack-welding machine is a machine used to make welding points on the external, longitudinal diameter of the pipes to be joined after the bending phase. The machine can work in two variants: spot welding, i.e. with interruptions, or carry out a continuous welding. The diameter of the pipes can vary from 8 “to 72” and thicknesses up to 70 mm. SIGMA PRESSE Ltd also realizes a semiautomatic tack – welding for smaller dimensions and limited productions.