The MX 8003 is an automatic PVC corner welding machine. It welds two corners of a PVC profile in a variety of angles ranging from 30° to 180° with extreme ease and accuracy. It has a single welding head that can be adjusted easily to weld corners quickly and accurately. The corner welding machine can be used for welding odd angles like an arched window or a special shape transom. This machine will be useful for small and medium production shops to improve efficiency and to achieve high productivity. The machine is built inside a rugged steel enclosure.