A plastic molding machine manufactures parts using plastic injection molding, plastic blow molding or another common variation of plastic molding. These machines are usually custom designed by manufacturing companies, using a variety of methods.
Sometimes a plastic molding company will specialize in a specific type of mold machine construction, such as designing a plastic injection molding machine for industry-specific uses. Often, a company will work primarily on a specific type of manufacturing design. For this reason, it's important to find a company that has experience in the kind of plastic mold equipment design you want to create.
1. The FDA imposes certain restrictions on parts manufactured using plastic molding. These depend on where manufacturing takes place, what type of plastic you use and the manufacturing process itself.
2. Certain types of molding machines require lubrication, so it's important to keep that in mind when estimating manufacturing costs and design scenarios.
3. If you're planning to buy a plastic mold, check to make sure the maker is a member of the American Mold Builder's Association (AMBA). This organization provides training and accreditation to mold makers in the United States.
Action Steps
The best contacts and resources to help you get it done
Buy a plastic injection molding machine
Injection molding uses thermoplastic and thermosetting plastic to fill a mold at high pressure. The mold is an inverse shape. Most mold-making companies will work with you to produce a mold machine that meets your specifications, or even alter an existing design. Not all molds will hold up, though, so be sure to specify whether you'll use your mold for manufacturing, prototyping, or limited-run production.
I recommend: Bermar Associates offers injection molding machines, as does
RCO Engineering. You can also find a custom mold maker near you through the
AMBA's website.
Choose a plastic blow molding machine for hollow parts
Hollow parts are generally formed by melting the plastic and forming it into a tube-like structure with a hole in the end. It is then placed into a mold and formed the rest of the way. This process works great for tubular designs and other pieces that require hollow areas.
I recommend: Buy a new blow molding machine from
R & B Plastics Machinery, or check out
Stopol's selection of used blow molding machines.
Let an expert help you design a custom plastic molding machine
Some companies offer to create custom molds to provide the perfect combination of quality and price for your needs. These services will create your mold machinery based on the type of plastic you plan to use, your quality requirements, and the expected life of the mold.
I recommend: Pittsfield Plastics Engineering offers custom mold design services. You can also check out
Accede Mold & Tool's plastic mold equipment design services.
Tips & Tactics
Helpful advice for making the most of this Guide
- A print, sketch or sample part can be used to create your custom plastic molding, although CAD designs are best. Some companies can rush deliver custom molds to your company if you fax or ship them the source material.
The official source of Plastic Mold Equipment Design is
the Plastic Mold Equipment Design page at Business.com
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