Envelope Punching Machine

.Adopt double oil cylinder, precise double-crank connecting rod mechanism, which can guarantee the cutting depth at every cutting position is same..The pressing board of cutting carries out slow cutting when it contacts the die cutter, which can make that there is no size error between the upper layer and lower layer of cut materials.All sliding parts are lubricated with oils supplied by the hydraulic system guarantees machines precision and prolongs service life of machine.