cutting machine

CNC cutting machine is a multifunctional thermal auto-cutting device combined together with computer control, precise mechanic transmission and oxygen-acetylene gas cutting. Its CNC cutting torch can cut plates in arbitrary shape. At one side of the gantry fixed several cutting torches can cut many steel plate strips. As the steel plate is heating and cooling at the same time, the side-curve is eliminated once and for all. This kind of machine is composed of ∏-type rack (drive end/ cross beam), longitudinal guideway, longitudinal torch (multihead), transverse torch (CNC), gas-supply system and CNC system. Both drive and idler end /cross beam are adopted box-beam welding structure and have stress relief treatment after welding. So it has compact structure and artistic appearance. The longitudinal moving drive end beam of the complete appliance is adopted AC servo electric machine made in Japan to drive epicyclic speed reducer made in Japan, then use the way of rack-and-pinion driving. At the side of driving end beam fixed horizontal directive wheel fastened by adjusting the eccentric shaft, therefore, the stability and accuracy during the whole moving can be assured. The longitudinal guide ways firmed by pressure plate backing board and connecting sleeve, all made by high intensity track, all the contact surface of track have precision machining and accurate grinding racks are installed outside the guide way. This installation method can guarantee the straightness and parallelism of guide way. The transverse cutting torch fixed on the transverse tool carriage. Its moving also realized by AC servo electric machine made in Japan Faldic to drive the decelerator made in Japan SHIMPOABLE, then use the way of rack-and-pinion driving. The drive and idler torch tool carriage both derived by steel strips, which have high elasticity. The directive wheels at the ends of cross beam can tension the steel strip. Gas supplying adopted twice decompression, then supply gas with shunt. The temper prevention device can guarantee a stable and unblocked gas circuit. . Technique parameter Transverse gauge 4000 Effective cutting width of CNC torch 230-3200mm Track length 15000 Effective cutting length 12500 Cutting speed 100-1000/ min Quick return speed 8000/min CNC transverse cutting torch 2 sets (one drive and one idle) Auto ignition 2sets Auto height-adjusting 2 sets Thickness of plate 6-100 Cutting gas oxygen, acetylene or propane process precision ±0.5/1000 Roughness of the cutting surface Ra 12.5 Way of driving AC servo motor double driving