颗粒包装机制袋的封边形式常规的有三种，三边封、四边封、背封，任选一种。全自动三边封颗粒包装机顾名思义，那就是采用三边封的颗粒包装机。有的用户可能会想，一台机器做三种封边样式，那可能你需要具备更多的包装机械知识。包装设备采用一副模具一种封边形式，要做三种样式，那就需要三副模具，并且还需要懂得安装调试。
There are three conventional forms of edge sealing in the bag making of particle packaging machine, including three side sealing, four side sealing and back sealing. As the name implies, the automatic three side sealing particle packaging machine is the particle packaging machine with three side sealing. Some users may think that if a machine makes three kinds of edge banding patterns, you may need to have more knowledge of packaging machinery. The packaging equipment adopts one set of mould and one form of edge sealing. To make three types, three sets of mould are needed, and installation and debugging are also needed.