Envision Plastics Expert Announces Part Two in the Series: How to Design Plastic Enclosures Using NMR Technology

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NMR Technology (No Molds Required) is a technology Envision Plastics and Design uses to manufacture custom plastic electronic enclosures with no tooling or molds. Since it’s a unique plastic fabrication process, some forethought goes into the design criteria to make an economical plastic enclosure.

If quantities fit this 5-3000 range, NMR Technology needs to be explored.

In the first part in this series on producing plastic enclosures using NMR Technology, the manufacturing process was explained and the level of detail to which drawings or models had to be created to accommodate these processes. In this second installment in the series, project considerations will be highlighted.

The first thing to consider when applying NMR Technology is what quantity you want to produce. It is not a process developed for one-off prototypes. However, it is very useful and economical for a prototype-to-production release. For example, making one for testing and then making 5-3000 in a production build. If quantities fit this 5-3000 range, NMR Technology needs to be explored.

The second consideration is the means of communicating what is needed to the design engineers at Envision Plastics. Since this newer technology must be “learned” by product developers, making full electronic models and prints is challenging. Envision does not expect those things prior to analyzing a fit to the NMR manufacturing process. They simply need a sketch or drawing with some overall dimensions and the desired “look” of the product itself. If electronic model files are made, it does make the transition from concept to reality an easier process however. Envision’s team has engineers and industrial designers on staff to assist with all other design needs.

The next consideration for NMR Technology involves the application and environment of the housing.

  •     Will it be an interior or exterior enclosure?
  •     Does it need a fire rated material?
  •     Does it need to be NEMA rated?
  •     Will it be in an environment with other chemicals?
  •     What kind of product testing will the plastic housing be subject to?

All of these factors can drive different design concepts, material types, and material thicknesses. These three are the main cost drivers in determining the cost of products developed with NMR.

The fourth consideration is what to put in those concept drawings or model files. Envision offers a few standard design concepts to build around such as: UU Snap-Together Enclosures, L-Slide Cover Enclosures, Screw-Down Cover Enclosures, or even Wall-mount options. These can all be referenced on the Envision Plastics website. The size and scope of the customer’s application will surely alter these plastic enclosure concepts, but the presented options give a good starting point to product designers.

In the next part of the series on how to design plastic enclosures using NMR Technology, information will be provided on accommodating the components that go into the plastic housing.

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Brian DuFresne
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