3 ms·
At least according to the article, the main failure mode is fatiguing, so I’m not sure lube would help with that, unless the corrosion is really bad. Most mater
by bumby 3y ago
At least according to the article, the main failure mode is fatiguing, so I’m not sure lube would help with that, unless the corrosion is really bad. Most materials have a finite amount of cycles in them (although I’m a bit skeptical of the authors 7 year estimate…it seems low to me)
- linsomniac 3y agoDoesn't the rubbing of the coils against each other contribute to fatigue?
- manfre 3y agoYes, it does.
- mildchalupa 3y agoRoughly 30k cycles is typical. You can certainly design a spring to have infinite life. But it requires reducing average deflection, aka more spring with less deflection per turn.
- bumby 3y agoThe article claims a 10k cycle limit for common-grade torsion springs (but again, I'm skeptical). You can design a spring to have infinite life. Still, you must constrain yourself to specific materials (steel and titanium being the most common) because most materials don't have an infinite life on an S-N curve.