Pick and place unit, also known as PPU (pick and place unit), is a pure cam structure transfer device, driven by the motor, running according to a predetermined trajectory, to achieve accurate, high-speed pick and place of workpieces. It has the features of high speed, high precision, maintenance-free, easy to use and small size, which is very suitable for high-speed handling of small objects. Widely used in electronics, packaging, 3C, automotive, plastics, hardware, new energy and other industries automated assembly, more integrated in the cam indexing dial, or cycle production line for rapid pick and place of the workpiece.