Automatic feeder refers to the automatic requirements and established procedures in accordance with the requirements of the operation, people only need to determine the requirements and procedures of control, without direct operation of the feeding mechanism. That is, the goods from one location to another location, during the process without human intervention can be automatically accurate completion of the mechanism. Feeder-generally with the detection device, feeding device and other components. Mainly used for all kinds of materials and industrial products, semi-product transportation, but also with other components to make production automation. Tenroku automatic feeder is easy to operate and accurate. As long as the feed is set on the touch screen, the servo system automatically determines the feed length according to the pre-set value. The operator only needs to watch whether the machine works properly, and does not need to adjust every time. PLC system controls the automatic feeding action. The use of this machine can greatly reduce the operator's labor intensity and provide production efficiency.