WC67Y, Model: 40T*2200 TO 600T*8000 ZYB Model: 40T*2200 TO 2000T*8000 The whole machine is in sheet plate welded structure, with enough strength and rigidity. The structure of 4 vertical shafts and 4 oil cylinders is adopted, to alleviate the stress of synchronous tension bar, for a uniform pressure during operation, to ensure the operating precision of machine tool and the precision of the work piece, and to enhance the service life of machine tool. Hydraulic and electrical control is applied to the machine, with free adjustment of stroke for the gliding block, as well as stable and reliable mechanical stopper and synchronized tension bar. Electric mode is applied for rear stopper, able for separate adjustments, fitted with digital display and fine-tuning device, easy and quick for regulation.