Contact welder with infinitely variable pressure - with programming of pressure during heating up and welding

摘要

Contact welder allows infinite adjustment of pressure during pressing of the material to be welded against the heating elements, and pref. during welding. The pressure may be pre-programmed for during the heating-up stage and the welding stage. Adjusting of pressure maybe performed by a pneumatic element, a hydraulic element or electromechanical means. The path of the material to be welded can be adjusted infinitely and programmed for during heating-up and welding. The inner, more plastic layers of the material can be joined more easily increasing the quality of the weld seam, with a reduction of tolerances in mass-produced articles.