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,…
plasticmould
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…
Productivity Features
Productivity Features (1) Shot size (mass per shot). The total calculated or estimated shot size, that is, the total mass (weight) of the products coming from all cavities, plus the mass of the runner system (in the case of cold…
injection molding machine
The two halves of an injection mold are bolted in place to the stationary and movable die plates. Most injection machines operate in a horizontal position. The injection press makes use of two hydraulic cylinders，and the mold is closed by…