function of a mold
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-2
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…
neck insert-1
neck insert In most cases, inserted pieces are designed for the neck and base areas of the mold as noted previously. The neck insert cavity component is a replica of the finished product in the neck area, and in addition,…
DESIGN OF EXTRUSION BLOW MOLDS
DESIGN OF EXTRUSION BLOW MOLDS The actual design of a blow mold will be guided by the standard data available to adapt the mold to the machine and the applicable process. The mold cavities will be replicas of the exterior…
Extra Requirement for Molds
Additional Requirement for Molds (1) Pressure air. Some molds require air pressure for their operation. In general, the designer should be aware that compressed air, especially in large volumes, can be very expensive, especially if it is left to blow for any…