YZ3 series rice husk baler machine applies for pressing and packing light and soft scrap with a density < 70kg/m³. The series of baler machine are fully automatic. Working principle of the rice husk baler machine: YZ3 series hydraulic rice husk baler machine has 3 cylinders: feeding cylinder, pressing cylinder and discharge cylinder. It can control the weight of feeding material by automatically controling its volume. Bank can be divided into 2 parts: storage bunk and press bunk. The storage bunk can be connected to lager external storage bunk or other transmission equipment like converyor. The pressing volume of the pressing bunk can be adjusted by the position of the travel switch in press cylinder.