/sci/ - Science & Math » Thread #12851911

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vibrational cutting/blades

Anonymous Thu 18 Mar 21:07:02 2021 No.12851911 View Reply Original Report

Quoted By: >>12852278 >>12852318 >>12852783

inb4 "revengeance hahaha"

I haven't been able to see much from a google (keeps pointing me to blade harmonics), what is the viability/existing research regarding improving cutting efficiency by oscillating/vibrating blade?

Anonymous

Anonymous Thu 18 Mar 2021 21:16:34 No.12851971 Report

Quoted By: >>12852103

There are some tools that use oscillation to improve cutting, but they're pretty bulky and the cutting part of the tool is usually pretty short. Basically the technology we have isn't capable of making something like a vibrosword or whatever equivalent sci-fi weapon you had in mind. Energy storage isn't nearly advanced enough to supply the power and oscillatory motors aren't powerful enough to move a blade larger than your hand.

Anonymous

Anonymous Thu 18 Mar 2021 21:35:56 No.12852103 Report

Quoted By: >>12852287 >>12852886

>>12851971
Not even at the resonant frequency of the blade? Frequency response should be pretty easy to measure

Anonymous

Anonymous Thu 18 Mar 2021 22:06:17 No.12852278 Report

Quoted By: >>12852667

>>12851911
It doesn't sound effective, please explain how it works? You want a nice clean tear, vibrations would cause horizontal shaking of the blade, which would be like having a duller knife. I think.

Anonymous

Anonymous Thu 18 Mar 2021 22:08:56 No.12852287 Report

Quoted By:

>>12852103
it would have to be made of a completely uniform alloy or single uniform material for it to have a single resonant frequency, right? or do you just scale the frequencies until you find the best one, even if it's not perfect

Anonymous

Anonymous Thu 18 Mar 2021 22:16:27 No.12852318 Report

Quoted By:

>>12851911
Knifes are to sharp.

Anonymous

Anonymous Thu 18 Mar 2021 23:31:53 No.12852667 Report

Quoted By:

>>12852278
I think the point is that you'd need minimal force to cut something. Not sure how it would work exactly but sounds good enough in my retard brain

Anonymous

Anonymous Thu 18 Mar 2021 23:59:47 No.12852783 Report

Quoted By:

>>12851911
jackhammers

Anonymous

Anonymous Fri 19 Mar 2021 00:24:23 No.12852886 Report

Quoted By:

>>12852103
Doubtful. The frequency would need to be very high because the longer the blade is the farther the tip would move from the vibrations. Ultimate making the blade oscillate is irrelevant because you'd need to be plugged into an outlet or haul around a massive power source.

Anonymous

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Anonymous Fri 19 Mar 2021 03:26:19 No.12853519 Report

Quoted By:

OP go to home depot and compare brands of jigsaws. Then go to the Safeway and look at their electric knife collection. Your idea was patented in the 1930s and has been a staple of American Thanksgiving since at least the 1940s.

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