LumberJocks

Whrilwind table saw technology/Stops SAW STOP

  • Advertise with us
Blog entry by Bob Kollman posted 1250 days ago 4928 reads 1 time favorited 25 comments Add to Favorites Watch

The link below takes you to a man who has invented a saw stop like add on that works on

The Rigid TS 3650 – Delta- And other saws. The great thing is that it stops the blade without

wrecking it. Still in the devlopment stage- but I think this will be what table saws look like in

the future.

http://www.youtube.com/watch?v=7ltFuEKCnM4

-- Bob Kenosha Wi.



25 comments so far

View nobuckle's profile

nobuckle

1120 posts in 1359 days


#1 posted 1249 days ago

Interesting idea. I think Saw Stop works by sensing the amount of moisture. This device appears as though it may work either by a proximity detection system or a system that is able to sense the bodies natural electrical current. It doesn’t really matter how it works as long as it works. I wonder if the horse power of the motor is why the device is only being made for job site saws. At any rate, it’s still a pretty cool idea. Thanks for the post.

-- Doug - Make an effort to live by the slogan "We try harder"

View Woodbutchery's profile (online now)

Woodbutchery

268 posts in 2183 days


#2 posted 1249 days ago

One of the things remarked several times by the fellow doing the demonstration was how this was designed for the construction saw. It answers the question that’s been raised by many on what was to be done for all the construction table saws out in the field.

The question (of course) becomes how much and how hard is it to implement.

Great gadget though – stop the saw BEFORE coming in contact with the blade AND not destroy the blade.

-- Making scrap with zen-like precision - Woodbutchery

View Shopsmithtom's profile

Shopsmithtom

780 posts in 2793 days


#3 posted 1249 days ago

Anything that makes power tools safer has my vote, as long as the government stays out of requiring it. And while I’m guilty of putting one saw kerf “smile” in the end of my thumb, (thankfully not too deep) I still believe that we, not the safety devises, provide the best measure of safety in the shop.
My rule of thumb…(no pun intended, okay, maybe intended) is “You never lose fingers if you never lose focus” -SST

-- Accuracy is not in your power tool, it's in you

View Jeremy Greiner's profile

Jeremy Greiner

568 posts in 1370 days


#4 posted 1249 days ago

They both work on electrical current discharge. The saw stop is running an electrical current through the blade, when the electricity discharges from contact with a material (any) it detects the rate at which it leaves the blade. If this rate gets to a certian rate (the rate at which the electricity flows from metal to skin) the brake is triggered.

Wet wood used to trigger the saw stop because the moister in the wood increased it’s conductiveness higher than what the saw thought should be for wood and so the break would trigger. Now days I believe the detection is better, but I don’t know.

The 2 key differences is the electrical detection on this system is on the blade guard and since it ahead of the blade it can slow the blade down with out damage which takes as long as 1/8th of a second. The downside is that there are several table saw operations that are impossible with the blade guard in place (any sort of dado opperations).

Ideally both technologies on the same saw would be awesome. I would certianly love to see more development in flesh detection technologies.

-jeremy

-- Easy to use end grain cutting board designer: http://www.1024studios.com/cuttingboard.html

View Beginningwoodworker's profile

Beginningwoodworker

13337 posts in 2271 days


#5 posted 1249 days ago

Hum that might be a better than the sawstop.

-- CJIII Future cabinetmaker

View Joe Lyddon's profile

Joe Lyddon

7620 posts in 2650 days


#6 posted 1249 days ago

Well, that’s a new twist!

I tried their website, www.whirlwindtools.com and it hung my computer up…
Has anyone else been able to look at it?

I wanted to see how the cost was… I have no idea…

I wonder if it could be disabled… I don’t think on could cut Keyed Splines in the corners of a box… or cut the tapers required for a door panel…

It appears that sensing capacitance changes and/or light disturbances are the basis for triggering the device.

It’s interesting to see how other solutions are being developed…

-- Have Fun! Joe Lyddon - Alta Loma, CA USA - Home: http://www.WoodworkStuff.net ... My Small Gallery: http://www.ncwoodworker.net/pp/showgallery.php?ppuser=1389&cat=500"

View Jeremy Greiner's profile

Jeremy Greiner

568 posts in 1370 days


#7 posted 1249 days ago

@Joe
This is a prototype setup on several saws they have patented the technology and are now attempting to get saw manufacturers to license the technology.

They do not produce any kits or hardware for sale at this time.

-- Easy to use end grain cutting board designer: http://www.1024studios.com/cuttingboard.html

View CovenantCreations's profile

CovenantCreations

127 posts in 1501 days


#8 posted 1249 days ago

How does it stop the blade with out damaging it? Is it like a brake pad of a car o something? I can really see this going over well if it was made and marketed right.

View Dave's profile

Dave

11142 posts in 1438 days


#9 posted 1249 days ago

He has a great idea. JOE his site worked fine for me. What bothered me is look at what he is cutting a 2/4. What if your finger is directly behind the blade. Will you get cut because the guard is 1 and 1/2 inches off the table.
I still like the sawstop because the sensing is the blade not the guard. What I don’t like is saw stop lobbing the government telling me I have to have one. I am a hybrid woodworker. My money goes into hand-tools. The device probably costs as much as the saw. I would rather spend the money that these devices would cost on an old rip saw. Safety is in your mind not the device. imho

-- Superdav "No matter where you go - there you are." http://chiselandforge.com

View bigike's profile

bigike

4031 posts in 1886 days


#10 posted 1249 days ago

I still hope it’s cheaper than a saw it self and I mean a contractors saw.

-- Ike, Big Daddies Woodshop, http://www.icombadaniels@yahoo.com

View Bob Kollman's profile

Bob Kollman

1796 posts in 1789 days


#11 posted 1249 days ago

Well in one form or another I think the goverment will move into regulating the safty of table saws.
that is why I believe this typee of saw stop is our future. It looks cheaper to develope, and the
whirlwind guy has already adapted this to a wide range of saws, which means the big boys will
only have to make refinments. It is just good to see that choices are being developed.

-- Bob Kenosha Wi.

View Bob Kollman's profile

Bob Kollman

1796 posts in 1789 days


#12 posted 1249 days ago

I have added the video for you joe!!!!

-- Bob Kenosha Wi.

View Bob Kollman's profile

Bob Kollman

1796 posts in 1789 days


#13 posted 1249 days ago

-- Bob Kenosha Wi.

View ProbablyLost's profile

ProbablyLost

82 posts in 2116 days


#14 posted 1249 days ago

I know it is not right, but I hate using the saw guard. Why cant someone come up with the electrical detection of the “Saw Stop” that can be used on any saw, won’t wreck the blade and doesn’t require the use af a guard? That is the million dollar invention!

-- Chris

View 747DRVR's profile

747DRVR

199 posts in 1955 days


#15 posted 1248 days ago

I would love to see real compitition for the sawstop but this is not it.If I was willing to put a huge guard on my saw that completely obscures the blade I would need any electronics.Also the blade stops in 1/8 of a second.At 3000 rpm thats 6 full revolutions.

showing 1 through 15 of 25 comments

Have your say...

You must be signed in to post the comments.

DISCLAIMER: Any posts on LJ are posted by individuals acting in their own right and do not necessarily reflect the views of LJ. LJ will not be held liable for the actions of any user.

Latest Projects | Latest Blog Entries | Latest Forum Topics

HomeRefurbers.com

Latest Projects | Latest Blog Entries | Latest Forum Topics

GardenTenders.com :: gardening showcase