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I've seen this somewhere else, It's a genius design. I don't understand how anyone is going to learn not to do dumb stuff when there is no chance of getting hurt anymore though.
 

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That'd be great for a shop class at a high school. One of my friends from HS lost parts of his middle, ring, and pinky fingers in 9th or 10th grade. All his fingers were as long as his index finger.

Pretty cool, IMO.
 

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Have seen this before. I still don't see how the sudden halt of the blade from 5000 RPM doesn't destroy the bearing/arbor/shaft.
 
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Bet my uncle wishes they had that technology when he sawed off 3 fingers.
 

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We do a lot of "idiot proofing" at work, to defeat accidents before they happen. It works for a bit, then the world produces a new and improved version of idiots, and we hire a few of them.


Dan


______
 

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When I was in undergrad a kid cut off his middle finger on a tablesaw. It was terrible. he was not being stupid, the board kicked back on him and he lost part of his finger. Kids was/is an amazing pianist, luckily he only lost down to the first knuckle and can still play. I think it's a heck on an idea. My guess is that most folks with 9 or fewer fingers agree.
 

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I saw that before, I actually watched that episode of time warp also. Someone will find a way to get hurt with it, they always do.

"I wounder what happens if i'm under it when someone touches the blade?... Oww, my head!!!"
 

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If anyone actually might want one of these, get in touch with me. We sell them where I work.
www.woodwerks.com

another step in childproofing the word
I've seen this somewhere else, It's a genius design. I don't understand how anyone is going to learn not to do dumb stuff when there is no chance of getting hurt anymore though.
It's not about stopping stupidity. It's bigger than that. Bad sh*t can happen no matter how careful you are. Accidents truly do happen. I'm pretty intolerant of dumbasses. That's a well-known fact. But even I don't think people should suffer an injury like the ones that a SawStop saw will prevent.

Have seen this before. I still don't see how the sudden halt of the blade from 5000 RPM doesn't destroy the bearing/arbor/shaft.
We've got several of them out in service and have done dozens of demos with them. The only parts that are ruined are the cartridge and the blade. Everything else survives quite well. The saws are quite well made in general. Easily comparable to a Delta Unisaw or a Powermatic.
 

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I still don't see how the sudden halt of the blade from 5000 RPM doesn't destroy the bearing/arbor/shaft.

We've got several of them out in service and have done dozens of demos with them. The only parts that are ruined are the cartridge and the blade. Everything else survives quite well. The saws are quite well made in general. Easily comparable to a Delta Unisaw or a Powermatic.

I am with DM on this. Watching the slow motion look at what happens to arbor and shaft. Those things are tweaked bad and it can't be good for them. Plus there has to be some deflection (or possible bending) where the the motor mounts to the frame.

Ari...out of all of your demos have you ever checked for straightness, wobble or how much runout there is before and after use?
Don't get me wrong , it is a great safety device and if you are lucky (or unlucky depending on your view) to have to use it then it is worth it.
 

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I am with DM on this. Watching the slow motion look at what happens to arbor and shaft. Those things are tweaked bad and it can't be good for them. Plus there has to be some deflection (or possible bending) where the the motor mounts to the frame.

Ari...out of all of your demos have you ever checked to straightness, wobble or how much runout there is before and after use?
Don't get me wrong , it is a great safety device and if you are lucky (or unlucky depending on your view) to have to use it then it is worth it.


What would you rather lose? A finger or a saw?

It comes down to that.

Yes, I think the SawStop is a GREAT idea. When I saw it for the first time a few years ago, I swore that I would get one when it became main stream and I got back into woodworking.
 

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Have seen this before. I still don't see how the sudden halt of the blade from 5000 RPM doesn't destroy the bearing/arbor/shaft.
From the look of it, it deploys with a charge like an air bag ... it's a one-shot deal. Certainly the shoe that jams the mechanism is no good after use.

.... Gregg
 

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I am not against it in any way shape or form.

I am asking how it does not damage the machanics of the saw itself. The product is a great idea. Innovative and if it saves a finger it is well worth it. However I'm simply asking if the entire unit is destoryed after the saw stop cartridge is deployed. Engineers feel free to chime in. We're talking a lot of energy that has to be dispersed somewhere in an incredibly short time period.

What I'm saying is how do the items I mentioned (arbor/shaft/bearing) isolate from the forces exerted on them by the near instataneous stop?
 

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I'm sure the arbor/bearings will stand up to a few deployments. IMHO if you are using the safety mechanism on a regular basis, you probably are doing something wrong. I think its a great idea, my greatest concern with it is it will give people a false sense of security. the addition of riving knives IMHO is as important as the blade stop feature.
 
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