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Talkiet

4792 posts

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#201867 7-Sep-2016 19:19
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I bought a cheap linear actuator from Aliexpress and wondered what sort of dodgy de-rating factor I should apply...

 

 

 

 

I have tested it with a 10kg weight and it seems fine, speed isn't measurably changed from no load, but I am having a hard time believing that it is rated for over 100kg. The intended use is for lifting and dropping a projector with a total weight (projector and carrier bracket) of about 12-14kg. Am I likely to be safe just using this to direct drive it? (Straight pull for actuator)

 

I could put a counterweight in as well to reduce the lifting power required, but don't want to bother if I am safe, or very likely to be safe.

 

Cheers _ N

 

 





Please note all comments are from my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.


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solutionz
589 posts

Ultimate Geek
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  #1625245 7-Sep-2016 19:26
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Don't see why not, looks like you have good safety margin there. See how you go with 30kg.

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