Once a concept is developed, there must be a plastic molding design done before any plastic molding can take place. This may consist of a crude sketch using a scrap of scrap paper or a sophisticated CAD design program, however the concept is similar: developing thinking in a plastic molded part.

It could be one among numerous mold categories as well. Most likely the most common is an injection mold or mold, but it could also be thermoset, compression, vacuum, blow mold, RIM, rotary, or a silicone rubber mold. All of these are totally unique, but they have some characteristics in common.

Many mold designers emerged from the mold making ranks and have a good understanding of what it takes to build a mold. Other designers learned their skills at a technical school specializing in industrial design, mold making, and machine tool design. Working with a CAD design program like Unigraphics, Solidworks or CadKey has many advantages. They are powerful CAD / CAM programs that contain built-in features that fine-tune the procedure.

Take, for example, an injection mold. It is a complicated tool that generally contains moving parts, including ejector pins, lifters, center pins, and even unscrewing parts. You could also use a hot runner system, such as a Moldmaster or Incoe system.

Designing a plastic part with a CAD program allows the designer to visualize in realistic 3D to see how these moving parts will interact with the rest of the mold. This will make the job much less difficult and help eliminate subsequent errors. Alternatively, it can also complicate the work because the people who design the plastic part are also using a similar approach and also incorporate many functions into one product. This leads to a highly complicated part with many features that should be machined within the mold. https://stebro-mold.com/plastic-injection-molding-china/

Most companies that make plastic molds have in-house designers, but some use freelance designers who work from home. Both approaches work, and each has its own merits.

Obviously, with the internal designer it is easier to communicate. There is little scheduling, fewer conference calls, no waiting emails, and file transfers. It goes without saying that this requires payment of the salary and benefits associated with a full-time employee, which is not always the best solution.

An external designer is less expensive and, when done correctly, is generally available for inquiries and questions. These days, with the ability to communicate over the Internet, distance is much less difficult than before.

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Once a concept is developed, there must be a plastic molding design done before any plastic molding can take place.