Punching Machine for window machine The machine is mainly used together with single mould and combination mould of series to finish the punching processing of all the holes and notches of various corresponding common profile and insulation profile. Four guide-pillars are used for guidance. It is characterized by stable blanking, high speed and efficiency, pollution-free and high precession and possesses the function of automatic scrap discharge. It is quick, convenient, safe and reliable to replace the mould.