Screw for PET coating line
Short Description:
Emphasize a point here, the screw rod and machine barrel these two important parts, one is slender thread rod, one is the diameter is relatively small and long hole, their mechanical processing and heat treatment process are more complex, the accuracy of the guarantee are more difficult. Maintenance of the screw barrel must be sent to the manufacturer for a complete set of processing, otherwise there may be new screw and old machine barrel do not cooperate with the problem. Therefore, the wea...