Non-Linear Lever Examples: Get the Answers Here

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Non-linear levers can be better understood as cam mechanisms rather than traditional levers. For applications like stretching a rubber band with increasing force, a cam profile can be designed to achieve the desired effect. Resources available online can help in calculating the appropriate cam profile for specific needs. Practical experimentation using materials like cardboard or plastic is a common method for designing these mechanisms. Understanding the distinction between levers and cams is crucial for effective design in mechanical applications.
shakdaddy
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Firstly, this is a great forum!

Maybe this is more of a mechanical engineering question, but ...

Can someone help give me some examples of non-linear levers? I want to be able to stretch a rubber band with factored-increasing force. Like a reversed camber on a compound bow.

I hope I asked this correctly. My physics vocabulary is limited- but improving with the help of this forum.
 
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What you are dealing with is actually a cam rather than a lever. A quick Google should turn up lots of information about how to calculate the profile to fit your needs. I can't do math, so I always work mine out using cardboard or plastic pieces for mock-up trial and error design.
 

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