PAY2000-C adopt friction form in screwing,convenient to adjust,the screwing rate can be modulated according to the client output frelly.Its work efficiency can be enhanced twice than the claw screwing machine.The machine is designed reasonably,and the structure is compact with high screwing rate as well as the cap doesn't nap,running stably and reliably with long-life usage,simple operation and convenient maintenance.Its controlling system is controlled by PANASONIC programmbale controller of PLC with frequency timing and number vision interface.