difference between metals and plastics When you buy metal for injection mold making, it is either in ingot or semifinished form. In making the injection mold, the metal is either melted and cast, or mechanically worked or machined to form…
CURIOSITY One aid to development or restoration of curiosity is to train oneself to be observant. An injection mold design engineer, especially, should be observant of objects about him that have been created by man. He must ask how the object…
Plastics Casting This section is used for casting both finished tools and cores,not like injection moulding products. Since all tooling plastics cure by chemical reaction, this section must be equipped and organized so that no contaminating foreign substances contact the…
Neck Finish Specifications The effectiveness of a plastic bottle as a container depends on the creation of a seal between the bottle and its closure to keep the contents from escaping, while permitting easy opening and resealing of the closure.…
venting for plastic mold making Air in the empty cavities must be displaced by the melt as it flows into the mold during injection. Unless removed quickly, trapped air may actually compress enough to ignite and leave a characteristic burn…
