Author Topic: Saw Shield -- New Finger-saving Technology for Table Saws and Band Saws  (Read 4150 times)

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Offline Birdhunter

  • Posts: 3355
  • Woodworker, Sportsman, Retired
Re: Saw Shield -- New Finger-saving Technology for Table Saws and Band Saws
« Reply #30 on: December 15, 2020, 12:27 PM »
When I traded in my Unisaw, I could have bought any table saw (but not room for a big slider). The finalists were Powermatic and SawStop.

I decided on SawStop based on many features. The safety system was important, but not top of the list.

I’ve had my Industrial SawStop (biggest model) for years. I know the safety system is there, but I am extremely careful around the saw as if the safety system wasn’t there.

My best safety system is to think through what could go wrong and how to minimize the threat. If I am uneasy about an operation, I walk away. Usually, I can figure a safer way of achieving the goal. I also put away the tools if I’m tired or distracted.
Birdhunter

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Offline Svar

  • Posts: 2335
Re: Saw Shield -- New Finger-saving Technology for Table Saws and Band Saws
« Reply #31 on: December 15, 2020, 12:30 PM »
Well, this was inevitable. Capacitive sensor, actuator, and a break.
My only concern is mounting it on a regular saw not designed for this kind of extra stress. But then it depends on the type and position of break(s) relative to the arbor and how they stop the motor.
It would be unfortunate if SawStop tried kill this competitor.

Offline ChuckM

  • Posts: 2396
Re: Saw Shield -- New Finger-saving Technology for Table Saws and Band Saws
« Reply #32 on: December 15, 2020, 12:57 PM »

It would be unfortunate if SawStop tried kill this competitor.

SawStop must be watching closely if this Saw Shield technology (which we know nothing about!) is infringing its patents, as did the Bosch technology. I recall seeing somewhere suggestions that other major PTI saw makers have already been developing and working on prototypes in anticipation of the expiry of the critical SawStop patents (some say (without proof) in 2 to 3 years).

On second thought, I wonder if these inventors had approached existing saw makers, and explored selling their Saw Shield technology to them.
« Last Edit: December 15, 2020, 01:01 PM by ChuckM »

Offline Chris Perren

  • Posts: 136
Re: Saw Shield -- New Finger-saving Technology for Table Saws and Band Saws
« Reply #33 on: December 15, 2020, 01:13 PM »
I doubt Saw Stop or any others are paying attention to this adventure.. Not to discourage but this is a long shot at being successful especially with the complex requirements that must be satisfied from a couple of guys working out of their garage. I would wait until real venture capitalists jump in with some real money to ensure quality of the product.   

Offline zapdafish

  • Posts: 606
Re: Saw Shield -- New Finger-saving Technology for Table Saws and Band Saws
« Reply #34 on: December 15, 2020, 01:38 PM »

glad they avoided patent violations by using a sausage instead of a hot dog.   [big grin]

CT22, TS55, Kapex, RO150, Domino, RS 2 E

Offline JimH2

  • Posts: 1017
Re: Saw Shield -- New Finger-saving Technology for Table Saws and Band Saws
« Reply #35 on: December 15, 2020, 03:23 PM »

I will add that the fact that the SawStop destroys your blade is meaningless because you still have your hand, all fingers and only need a band aid. If it does trigger and you have to buy a new brake and blade you will not care. The plus to it is you are forced to stand down until you can replace them, which you need to do when you have avoided a life altering injury. The weak point of the Bosch is that you can fire it right back up and keep cutting, which is a terrible plan.

But, the other way around is if you have just one saw/blade, if you destroy the saw/blade you won't be able to finish the job, but if you loose a hand, you still have another hand and a functioning saw, so you will be able to work thru and get the job done.  If you have saw stop, you may have both hands, but you have no saw and can't complete the job. Do you want to risk upsetting the customer or being late on a job?

I'll assume you are being sarcastic. Or maybe if it happens on site they will be happy to help clean up the blood/skin and locate any portions for possible reattachment.

Offline threesixright

  • Posts: 625
Re: Saw Shield -- New Finger-saving Technology for Table Saws and Band Saws
« Reply #36 on: December 15, 2020, 04:17 PM »
I think Felder was working on same thing (PCS). I smell a lawsuit coming....


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Offline Svar

  • Posts: 2335
Re: Saw Shield -- New Finger-saving Technology for Table Saws and Band Saws
« Reply #37 on: December 15, 2020, 04:32 PM »
I will add that the fact that the SawStop destroys your blade is meaningless because you still have your hand
If all you have is SawStop, than yes. If there is equally effective alternative, which spares the blade and cartridge, then the choice would be obvious.

Offline xedos

  • Posts: 458
Re: Saw Shield -- New Finger-saving Technology for Table Saws and Band Saws
« Reply #38 on: December 15, 2020, 05:50 PM »
I will add that the fact that the SawStop destroys your blade is meaningless because you still have your hand
If all you have is SawStop, than yes. If there is equally effective alternative, which spares the blade and cartridge, then the choice would be obvious.

Svar has outlined it succinctly.

Jim - your argument is flawed in that not every brake trigger is caused by flesh detection.     Brake deployments, along with trashed blades can happen when one forgets to deactivate the system and cuts moist lumber like PT, or encounters concealed metal or changes blades without re calibration.  Or carbon fiber.

Offline JimH2

  • Posts: 1017
Re: Saw Shield -- New Finger-saving Technology for Table Saws and Band Saws
« Reply #39 on: December 15, 2020, 06:11 PM »
I have been a user of a SawStop since at least 2011 and have never had a false trigger. In the end I could careless about $175 or so if I still have my fingers and hands. I'll add that SawStop has well over 10 years of data and proof their product works which is more so than any other competing product.

Offline Banana

  • Posts: 66
Re: Saw Shield -- New Finger-saving Technology for Table Saws and Band Saws
« Reply #40 on: December 15, 2020, 09:54 PM »
I’m very curious as to how they stop the blade without damaging it.  Could it be that the plate is pinched by the sacrificial mechanism avoiding the teeth?  If so I wonder then if the blade always spins within the device similar to a rotor between calipers.  Because if there is some kind of compression/impingement vs embedment I wonder how clogged/built up dust extraction might affect it.

Or maybe they just sell you a ‘Caypex’ motor (rim shot)Too soon?


Online DeformedTree

  • Posts: 1248
Re: Saw Shield -- New Finger-saving Technology for Table Saws and Band Saws
« Reply #41 on: December 15, 2020, 10:06 PM »
Just look up the business and see the other businesses listed this person started this year and there websites.  The person behind it is either straight up snake oil salesman, or a master at launching many companies at once.  They don't show you anything because they don't have anything. I'm surprised they don't claim this will boost the energy of the saw while being all natural.

I'm sure they will take your money while they "continue to develop it"