YHZD-30D full-auto production line for 18L square can. The maximum speed can reach 30cpm. Using grip flanging and pneumatic sucking lid in seaming part, it's more applicable for lids. This line adopts purely mechanical cam transmission,cam conveying can, cam holding can, and makes the speed continuously adjustable. The whole line uses machines joint and flexible control system to perform higher synchronization. With protection device for can jam, it makes the production process run safely, smoothly & fast, and ensures the seaming quality in the meantime.