Description of Wood Chipper/Wood Chipper Shredder: 1.Wood chipper/wood chipper shredder is mainly used to crush big wood logs or wood timber,plywood,wood branches,furniture waste into small chips,the thickness of last chips is 3mm-5mm,length and width is about 15-30mm,it is wood chips not wood shavings.By adjusting knives gap,outlet chips dimension will be adjusted. 2.Wood chipper/wood chipper machine contains 4m long feeding belt conveyor, when conveying logs, the speed can be adjusted also it can connect with outlet conveyor to transport away crushed wood chips. 3.Wood chipper/wood chipper machine knives can be sharpened by knives sharpener,the rotary blade must be sharpened every day,it can be used for 40-45 days,the fixed blade has 4 month service life.