residual force may linger in the plastics around the insert
residual force may linger in the plastics around the insert. The amount depends on the plastic material type, insert material, insert structure, […]
the location of the insert inside the mold
the location of the insert inside the mold must be accurate and secure, to avoid disorientation or deformation during injection molding. […]
the expansion coeficient of the material
the expansion coefficient of the materials for insert and the plastic part should be as similar as possible. It should assure that the insert does not rotate or pop out, when it is under load.
the material of insert
usually most inserts are made of metal, but other materials may also be used. of course, a insert in a plastic part still has other purposes, Some are used for electricity reasons, while others are used to improve the stability of it's shape and dimensional precision.
a metal part inserts into a plastic part
when a metal part permanently inserts into a plastic part , we call it as insert, inserts in a plastic part have various purposes. Some are used to enhance local strength, hardness, or wear of a plastic 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 [...]
how to design screws on a plastic part
but how to design screws on a plastic part, for external screws, the diameter should not be smaller than 4mm, for internal screws, […]
Hardware Developments will benefit CAM software
With most new releases of CAM software, the developer will focus on the latest machining strategies that are available in the system. Over the past two years, however, promotional material for new versions has been full of claims about the ability to support the latest hardware developments, such as background processing and multi-threading. This article [...]
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, […]