5 Suggestions For Designing Injection-Molded Plastic Components


Everything from chairs and industrial components to Legos is produced using plastic injection molding. Whether you're designing a new product or just one element of a complicated assembly, injection-molded plastic parts prove their value. On the plus side, the injection molding procedure guarantees consistency and quality. However, the cost of tooling a mold means that little mistakes might have significant effects.

Here are some advice that Advantage Plastics has gathered over the years to help our clients do things correctly:


  1. Support uniformity:


An injection-molded part or product's uniform wall thicknesses guarantee ideal flow during the molding process. This ultimately results in a consistent product. We'll work with you to choose the right thickness to improve product quality.


  1. Transitioning Correctly:


Design your mold first so that the plastic flows from thick to thin. To guarantee the uniform quality, the tapered end of a portion where the wall thickness tapers off should be farther away from the injection site.


You ought to develop a love of curves as well. Stress is inadvertently built into your parts if there are abrupt corners or changes. This could imply distortion, early wear, and warping. Your parts will have a better molding process and be more robust if you use smooth radii and carefully incorporate draught angles.


  1. Prevent the Sink:


The plastic shrinks as it cools and does not cool uniformly as it sets, a phenomenon known as a sink. You'll see warping and indentations if one area cools more slowly than the others. The likelihood of this happening can be reduced by using thinner walls, as well as by properly measuring and positioning functional components like ribs and ramps.


  1. Recognize Your DFM:


The manufacturer identifies possible issues with the molding process in DFM, or Design for Manufacturing, reports. The mechanics of injection molding might occasionally result in problems with your product's appearance, fit, or functionality. Before the mold is tooled, it is our intention to locate these problems and assist you in resolving them.


  1. Simple is best.


The better is to keep your part design simple. But keep in mind that what appears stylish on paper or in a CAD program might not perform as well in practice. 


The things mentioned above are merely a part of a more comprehensive procedure.  When developing and prototyping a product, you should also think about the kinds of plastic that will be used, the size of your production run, and whether plastic injection molding is the best option for your project. 


Advantage Plastics is one of the top plastic injection manufacturers and a full-service provider of plastic injection molding and your one-stop shop for all of your manufacturing requirements. Contact us today if you are in search of the best plastic injection company in Louisville.
Location: Louisville, KY, USA

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