The 40-50CPM automatic tinplate pail and bucket production line adopts Siemens or Lenze’s motion controller, and cams for transmission, can conveying and can holding. The speed & working height can be adjusted by HMI (human-machine interface). Meanwhile, since it is outfitted with protection device, as well as rotary flanging and servo controlled U turning system, the production process could run smoothly & safely. Besides, when compared with others, the production line is more energy saving and environment friendly.