china mold

Gate Location Make sure that the mold can (and will) be gated so that the thickness of the plastic from the gate toward the remote areas either remains constant or diminishes.To meet this requirement, the product designer may want to…

Starting the Design Process Before starting, the designer must have a complete list of questions about all the requirements which must be filled by the product. Typical questions are: Why do we need the new design? What must the product…

The “Italian” Sprue The runner is heated electrically, but a nonelectric means keeps the material from freezing off at the gate. Instead of utilizing a probe externally heated by means of electrical heating elements, the design of the nozzle incorporates…

Making a New Product How does a designer begin to make the contemplated new or redesigned project? First, the designer must decide which type of plastic to use for the contemplated product. Then, he or she must select the best…

  Manufacturing an injection mould tool requires a high level of skill, and the success of an injection moulding tool depends jointly on the design of the tool，the skill of the toolmaker and the moulding technician. It is desirable, although…

it is necessary first to explain what a mold is expected to do. Throughout this article, we use the term “molds” to indicate any device used to provide the final shape and dimensional details of a product. A mold is…

The entire processing industry is dependent on mold-maker• Good tool give continuous production，excellent finish, easy ejection of molded part without distortion, close dimensions, flawless pieces, and low cost cleaning of parts after molding. A good mold will give many years of…

When to Use Hot Runner Systems Hot runner (runnerless) systems are seeing more demand in today’s high-speed, high-volume molding operations due to higher material prices, a need to reduce cycle time, reduce scrap rates, and increase overall productivity and costs…