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[Solved] Help me choose material  

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niclas
(@niclas)
New Member

Hello,

I have a Robox Dual. What material should I use to print something that would have to withstand a lot of vibrations and shaking, but still be food safe?

I find it hard to compare the different Robox filaments. Is there a table comparing the different filaments and listing their relative strength/brittleness/etc?

Quote
Posted : 23rd September 2020 10:21 pm
BHudson
(@bhudson)
Former USA Robox Support Moderator

@niclas You haven't provided nearly enough information to allow anyone to make a determination of what you need. Vibration and shaking forces depend on the mass of the object and its geometry and on what it is supporting. It will also depend on the frequency of the vibrations.

Food safe limits it to clear PETG or nylon, so clear ColorFabb XT and nGen, though anything 3D printed really isn't food save because of the ridges left in the part after printing. If you plan to post-process to smooth the surface, you should be fine with one of the CO-PETs or PETG or nylon since these are generally recognized as food safe. Most nylon 6 formulas are food safe as long as they aren't dyed and will do well for vibration, but will see creep over time where they will deform under sustained loads. If you can find a food safe TPU or TPE that will be highly resistant to vibration, but I don't know of one off the top of my head.

Most materials can sustain vibration, depending on how the part is built and what it is supporting. Or, if overloaded, they will fail quickly. 

ReplyQuote
Posted : 24th September 2020 4:55 am
niclas
(@niclas)
New Member

@bhudson Thank you 😊 👍 

ReplyQuote
Posted : 27th September 2020 12:22 pm
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