Vertical Veneer Slicers performs heating system and pressure bar to improve the quality of the sliced veneer sheet. The turning device of planer tool guarding holder improves the efficiency of machine with withdraw-knife device to avoid the scratches on the work pieces. Double crank fitting with high power motor, with maximum cutting speed up to 80 pcs per minute and veneer transport device can automatically put out the sliced veneer just after its cutting.