Do you know that many mechanical design errors are avoidable? To know more, keep reading.
Follow the DFA guidelines to confirm that parts designed by you can’t be put together wrongly during production.
Confirm that you specify the correct materials for the environment where they would function.
Here we point out 3 mechanical engineering mistakes that you can avoid easily.
To Design for mis-assembly
It is a good idea to design parts which can never be assembled incorrectly. DFA is a way of telling this point, and fool-proofing a design is very simple; what you need is to be little analytical and reasoning in approach and take an extra care to confirm that things can’t be mis-assembled.
You have to design keeping in mind that there might be people who would end up screwing together your parts on the assembly line. Suppose the person is not naive, ignorant, haven’t yet seen your assembly drawing, is working overtime and possibly doesn’t even care if anything goes wrong.
Make your prototype on improving the designs. Get 3D prints of the parts, machined and show them to others and people in the line of production. The best effort is to improve your design as much as you can.
Wrongly specified material
There are several mechanical materials to select, but you must know that all requirements are not related to your design or mechanical engineering.
Materials have a flame retardancy rating (e.g. UL94-V0 or UL94-HB). If there is an approval department in your company you must discuss the same with them. Confirm with them that you want a UV-stable material for an outdoor usage, to avoid fading, change of color or degradation in sunlight.
Keep in mind the following things:
Operational temperature range
Flame retardancy rating
A well-detailed end design that doesn’t work
Always make a Proof of Concept (PoC) model to ensure your effort guaranteed that it will be fine. A design could be broken into functional elements and it’s easy to check them for quality and reliability by designing simple test.
Keep these in mind and the next time you design something, just consider the above points to avoid problems in future.
We conclude now.
Hope this information is of help to you.
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