KT-373A Four-column Hydraulic Punching Machine This punching machine is equipped with aluminum profile combination mold, capable of complete punch machining of all kinds of bores and slots of sliding window or casement window. You can change the combination mold easily and quickly. This punching tool is the ideal equipment for aluminum window profile processing. MAIN TECHNIQUE PARAMETER 1. Punching thickness…………………...1-2mm 2. Max. punching length…………….......400mm 3. Number of working procedure…….....14 4. Max. punching travel…………….........55mm 5. Oil cylinder diameter…………………..80mm 6. The piston travel of oil cylinder……….60mm 7. Fuel tank capacity……………………...40L 8. Motor power……………………............2.2KW 9. Rated pressure of oil pressure……....16Mpa 10. Max. punching shear pressure………8000KG 11. Overall dimension (LxWxH)……..1000x760x1580mm