(12) the cooling water temperature too low to no good effect of liquid flow = > Reduce the volume of water in and out (13) the mold temperature too low = > Increase mold temperature accordingly. (14) provided insufficient material = > check the level of the material inside the Mould resin tank (15) the design of the injection port or multiple injection ports system irrational = > consult mold design to fix (16) the location of the injection port irrational = > consult mold design to fix (17) the spray port size too small can spray efficiency = > increase the size of injection ports (18) the exhaust hole systems are designed not to exhaust completely inside the mould = > modify the exhaust Air system design (19) the material is sprayed on the mold too abruptly = > change the location of the injection stem (20) not enough injection pressure or injection speed too low = > used injection molding machine with a different grip (21) the plastic leak between the nozzle and the mold = > adjust the nozzle between the copper and the positioning ring(22) the Barrel could not block the molten material is a radical way = > check the parts of the barrels have been damaged or loose screws do not
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