A correct boss design is very important in every plastic part
Boss design is a common design in a plastic part, it is used for mating part or for attaching fasteners such as screws or accepting threaded inserts. […]
threads should be screwed off or out of the part
no matter cores for internal threads or sleeves for external threads?the mold is either open or closed?they should be rotated in the mold? during demolding? they should be screwed off or out of the part?
two screws are located along the same axis on a plastic part
there is a case we usually meet, do you know it? Yes! a plastic part has two screws located along the same axis, the pitch and tightening direction should be the same, it simples mold structure design and the part production.
Some experience in designing a screw on a plastic part
Molded threads are everywhere. On the cap of a soda bottle. On the nut that attaches the drain pipe to the underside of the kitchen sink. On those weird-looking screws used to assemble a child’s jungle gym. These are just a few examples of the mass-produced plastic parts we encounter every day, parts that were [...]
screws on a plastic part
since you mention screwed hole, I want to say some thing, actually screws on a plastic part can be formed during injection process, […]