Extrusion Process Variations Many of the extrusion process machines are capable of manufacturing a great variety 0f blown products through the use of optional equipment and cleverly designed molds, as shown in the following discussion. Neck Calibration. After the parison…
PLASTIC BLOW MOLDING PROCESSES Many commercially available processes and machines are used for plastic blow molding; each one has its advantages and limitations, as indicated in the descriptions which follow. The mold design for any given blown product will be…
The primary function of a mold is to shape the finished product. In order to do this it must have some means of introducing the plastics material to be formed; it must have some means of forming the inside, outside,…
The primary function of a mold is to shape the finished product. In order to do this it must have some means of introducing the plastics material to be formed; it must have some means of forming the inside, outside,…
neck insert making The mold body is usually the portion that carries some means of maintaining alignment of the mold halves, A minimum of two sets of hardened dowel pins and bushings can be used for this purpose. For mold…
