Abstract: The invention relates to providing a hot wedge welding machine which may eliminate the thermal dampening that occurs to a welding element when the material to be welded is first introduced into the welding machine. The invention relates to cooling the welding element to stimulate a heating system to heat the welding element to the desired temperature. The artificial cooling stress provided by a cooling system is removed generally at the same time genuine cooling stress of the material is applied to the welding element. This results in the welding element maintaining a consistent temperature when the material is introduced into the welding machine.

Abstract: The invention relates to providing a hot wedge welding machine which may eliminate the thermal dampening that occurs to a welding element when the material to be welded is first introduced into the welding machine. The invention relates to cooling the welding element to stimulate a heating system to heat the welding element to the desired temperature. The artificial cooling stress provided by a cooling system is removed generally at the same time genuine cooling stress of the material is applied to the welding element. This results in the welding element maintaining a consistent temperature when the material is introduced into the welding machine.

Abstract: A machine and method for welding first and second fabric panels together. The machine includes a welding head which travels along a frame, applying heat and pressure to an overlapped region of the panels. An infrared camera is positioned to monitor the seam temperature after formation. The camera takes a thermal image across the width of the seam and transmits the data to a central processing unit (CPU). Programming in the CPU compares the thermal image data with a pre-programmed ideal temperature profile. Based on the comparison, the CPU makes adjustments to one or more of the speed of travel of the welding head, and the heat and pressure applied by the welding head, if necessary. The CPU activates an alarm to alert the machine operator if the adjustments aren't successful. The machine further includes a marking assembly for identifying regions on the welded seam which may require post-production testing.