Feed rate servo control for spindle-less veneer lathe

This paper deals with the issue on the feed rate servo control for the spindle-less veneer. First, the working principle, transmission process of the spindle-less veneer lathe, and the expected feed rate function are studied and analyzed; then concluded that the key of peeling control is coordinating the feed rate of the tool post with the actual peripheral speed of the log. We use rotary encoders to detect the actual peripheral speed of the log and the feed rate of the tool post, and adopt a digital controller to control the feed process of the tool post. In order to control the feed rate, we design a compound control law with the forward feed and feedback control for the sensor-less vector controller of the asynchronous motor. Analysis and the practical application illustrate that the proposed control law has excellent application value and market development prospect.