1. The similarities between hot and cold cutting
Both hot cutting and cold cutting bag making machines use cylinder material to produce, and there will be heat sealing process before cutting the bags, so both of them can produce vest bags.
2. The difference between hot and cold cutting
Heat sealing and hot cutting bag making machine, as the name suggests, is the first heat sealing knife, and then hot cutting, the cut edge is heat sealing, the made vest bag is equivalent to double insurance, because the general supermarket is used is heat sealing and hot cutting vest bag. It's a vest bag machine.
While the hot sealing and cold cutting bag making machine is to heat seal a knife first, and then cut off with a cold knife, and the edge after cutting is open. It can not only be used in the production of vest bags, but also can be used in the production of flat pockets by changing the double-line sealing knife into single-line sealing knife. Because it has an open cut edge.