Reply by crank49

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Posted on Inventor offers blade-braking technology

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4032 posts in 2997 days

#1 posted 05-02-2012 10:42 PM

New technology NOT.

This is the same tired old idea we have been seeing dregged up again.

Bottom line, it is a proximity sensor on a blade guard.

You approach the blade guard and the “black box” controler electrically stops the motor. . . in 1/8th of a second.

Gee whiz. Let’s see, a blade spinning at 4000 RPM gets stopped in 1/8th of a second.
That’s 4000 divided by 60 seconds and divided by 8 eights in a second so a little over 8 revolutions.

I wonder if a 10” blade with 40 razor sharp teeth spinning 8 revolutions would be able to saw off a finger.
I aint sticking my hotdog in that thing to see.

Also, if it did do anything worthwhile it won’t do it unless the blade guard is in place. We all know how many people always keep the blade guard in place.

Of course, there would be some minor inconveniences like no miter sleds I ever saw fit under a blade guard, and likewise, no tennoning or finger joint jig. Might be a problem with dados , or any other non-through-cuts as well.

This thing hasn’t made it to market in the 2 or 3 years it’s been being reported as “in development” for a good reason. It’s a retarded idea.

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