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I'm working on a project where 100k spring cycles is gonna last a few months

Any recommendations on an alternative? I considered magnets but their sprigabilty isn't great (also, will they get demagnetize with constant repel forces?)

I'm working on a linear motion like that: https://www.pinterest.com/pin/337136722090812189/

SECRET MAGNETIC LOCK DRAWER

The spring will be 2cm in length and 3-4mm in diameter. Also, I can design it for a tension spring, will this make a difference?

DiaperHands
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Simon
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  • Trees do well... think about how many times they get moved by the wind. So wood? Depends on space, load, design but you give so little detail. – Solar Mike Dec 15 '20 at 11:14
  • https://www.pinterest.com/pin/337136722090812189/ – Simon Dec 15 '20 at 11:26
  • Can you provide a source for where you heard that a regular spring wouldn't be OK for this? – Jonathan R Swift Dec 15 '20 at 19:02
  • https://www.jamesspring.com/news/how-long-do-springs-last-answers-to-your-questions/#:~:text=The%20industry%20standard%20for%20these,with%20extra%20long%20life%20springs. Maybe I understood incorrectly? – Simon Dec 15 '20 at 21:05

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Compressed air like an air suspension in a car or truck. 100K is not many cycles for a steel spring; springs such as engine valves run many ,many millions of cycles ,normally without failure.

blacksmith37
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  • Thanks! maybe I got the wrong info. The compression spring will be 2cm in length and 3-4mm in diameter, what material and type would you recommend? Also, I can design it for a tension spring, will this make a difference? – Simon Dec 15 '20 at 16:33