Application of 7 layer corrugated paperboard production line
7 ply corrugated paperboard mainly applied for big size and heavy product packing, like motorbike, piano, machine tool, or big size domestic appliance. Sometime, it is used for a special liner. So for a carton manufacture, the order of 7 ply corrugated cardboard can only be come from large enterprise, not all carton manufacture can be a partner for these large enterprises, then only few carton factories have plan to buy the 7 layer corrugated cardboard production line.
The 7 layer corrugator line price is much higher than 3 ply and 5 ply corrugated line, so many customer do not consider the 7 layer line from an economic perspective, but if you have enough quantity orders, 7 ply corrugated carton line is much economic for a carton manufacture. One set of 7 layer line can produce 3 ply, 5 ply and 7 ply corrugated cardboard, if add one NC slitter cutter in the line, it can produce 2 layer corrugated paperboard too, then it can produce all types of corrugated cardboard. One line can be instead of 3 full sets of corrugator line. And if you have one set of 7 layer line, you can gain a large range of customers in difference industry.
High technology 7 layer corrugated cardboard production line
7 layer corrugated cardboard production line is a big production line, its length can be 90m, for so big size production line, normally it is in high speed and high intelligence, the produce manage system can help the supervisor to put and arrange lots of difference orders. Because 7 layer line can produce difference cardboard ,so each orders specifications is also difference, a production management system is essential. Also the conveyor and logistic system is necessary, after output from the corrugator line, the system will take the finished corrugated cardboard to the place as per the orders from the production manage system. We had offered the biggest size of 7 layer line to a customer, its working width is 3100mm, speed is 300m/minute, this is the most advance technology in the world.
Economic 7 ply corrugated paperboard production line
Sure, some medium size carton plant also have orders of 7 layer corrugated cardboard, so some of them choose to buy a 7 layer corrugated line. An economic 7 layer production line is inquired by these factories, so we also can produce an economic type of 7 layer corrugated paperboard production line. This line is in speed is 120m/minute, width 1800mm. The price is much lower, and this 7 layer line is special for medium carton plant.