1.CoolingconditionsThecoolingprocessisatacertainpressure,justthemoltenweldsealingshapewithlowtemperature,eliminatestressconvergence,shortenthecuttingseam,theappearanceofprogressofbagflatness,theprogressoftheheatsealingstrengthoftheprocess.Thecoolingwaterofbagmakingmachineisusuallyrunningwaterorcirc..