People are often amazed at how lightweight and strong our 3D printed Nylon plastic can be with the correct geometry. It is an important part of the design process to test your 3D printed designs to breaking point. Prototyping a product before releasing it for sale to others in your Shapeways shop is essential to ensure that your design will stand up to the stresses of use, and not make your customers find out for you.
"People keep asking me, how strong is that printed chassis. My answer usualy was.."uuhhmm pretty strong I think"
Following is a video by Martin of Magic's Models on his VRCP channel on YouTube that tests hisWild Willy chassis for losi mrc remote control car 3D printed in Nylon by Shapeways.
People keep asking me, how strong is that printed chassis. My answer usualy was.."uuhhmm pretty strong I think"... Well since version 3 is being build right now, I have version 1 and 2 lying around doing nothing. Might as well break one to see how much force it takes. And now for the scientific part, torque is force times lever-arm distance...
In this case the distance from the applied torque to the scale (to measure the force) is about 20 cm (about 8 inch). The force measured at the time of the snap is about 2 Kg (2000 g or about 4.4 lbs). This means the torque applied at the time of the snap is probably more than it will ever be driving the chassis around on any trail....
Comments
Yow, that actually looks quite weak to me. Seems the only reason that it doesn't break driving that thing around is because the chassis flexes so much it never generates any force.
it depends quite heavily on the 3D process used. Layer processes are very strong against the layer, but not all that strong with it (ie; if you try to break the part along a layer line). I have done a lot of testing when designing some impact absorbing landing gear for my hexa.
I have often wondered how strong is a 3D printed structure verses a cast or machined part. This is more of a subjective demonstration, but it can give a relative idea of the strength of a 3D part.
Regards,
TCIII Admin