Main functionCold rolling technique is one of the plastic shaping processing methods which on the normal temperature extrude,Website:://.zys-bearing.com,and stretch the ring parts.It features refining blanks quality,reducing cutting,optimizing the structure,improving the bearing life.Main featureWith the level layout,the machine has cold rolling and plastic two positions.The machine has two working patterns,one is simultaneously coll rolling and plastic motion,the other is cold rolling or plastic motion respectively,The machine uses PLC control system,The novel researching PCR type of open cold rolling machine applies combinational modal mechanism,using computer for realtime displaying and controlling rolling process,adopting the new technologies of active measurement and proportional servo system.The PRC type has not only the advantage of international same kind type but also the unique features,having high adaptive avility to the blanks,easily and rapidly to operating and regulating