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extension springs in series | |||
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Posted by: popethom ® 12/04/2006, 07:57:05 Author Profile eMail author Edit |
I need some help with extension springs. I need to hook 2 identical springs together in series and I am not really sure how to calculate the force. I know how for one spring.
If I hook together 2, does the force mulitply by 2? Is it the same? Someone told me to use the following formula for calculating spring force for in series applications...
That doesn't make sense to me, maybe it's right, I don't know. the spring I plan on using has the following specs... free length 9"
the application required the deflection to be 2.5" if I had two identical spring connected in series, both being stretched 2.5", what would my force be and how do I figure it out? Thank you |
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Re: extension springs in series | |||
Re: extension springs in series -- popethom | Post Reply | Top of thread | Forum |
Posted by: swearingen ® 12/05/2006, 07:33:26 Author Profile eMail author Edit |
The correct equation is: 1/rate + 1/rate = 1/system rate So, if your spring has rate X, then your system rate, according to this formula, is X/2, or half the rate of your original springs. Only if you put them side by side (in parallel) do the rates become additive. |
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Re: Re: extension springs in series | |||
Re: Re: extension springs in series -- swearingen | Post Reply | Top of thread | Forum |
Posted by: Kelly Bramble ® 12/05/2006, 08:06:24 Author Profile eMail author Edit |
We have spring design related webpages here: /spring_menu.shtml |
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