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Re:Power tool manufacturers and who owns them by mauvehaus on Tuesday May 19, 2020 @12:40PM (#23236949)
I can assure you that it does not damage the motor, mount, arbor, trunnion assembly, or any other major components of the saw. The cartridge is expended, but that is the only part of the saw that needs to be replaced as a matter of course. Whether the blade survives or not is a bit of a crapshoot, but the smart money is on having to replace it.

If you happen to trip the saw with flesh, Saw Stop will send you a free replacement cartridge if you mail them your expended one. They'll run diagnostics and verify that it was tripped on flesh, and mail you a new one.

Source: I've been present in two shops for 4 trips on two different saws, all other people. 3 were an aluminum miter gauge fence (Incra), one was fingers. In both cases the saws are known to have been tripped a great many more times than that. Neither saw has had anything but the blade and cartridge replaced.

Re:Power tool manufacturers and who owns them by markkanof on Tuesday May 19, 2020 @01:41PM (#23237742)
Worth noting that replacing a blade can be a fairly expensive proposition depending on the blade you were using, but of course the argument is that the cost of that is far cheaper than medical bills and lost fingers. Seems like a valid argument assuming it's not a false trip.

Also, the safety feature can be temporarily disabled if needed to cut through something like damp wood that might cause a false trip.

Re:Power tool manufacturers and who owns them by bradlys on Tuesday May 19, 2020 @03:20PM (#23238956)
A $200 saw blade can be resharpened after such an incident. It’s not as expensive as you might think.
Re:Power tool manufacturers and who owns them by michaelcampbell on Friday May 22, 2020 @09:57AM (#23272093)
Generally at around the same cost as a cheaper blade. I'm not sure who the actual market is for hella'spensive blades; the difference in cut quality I've not actually seen; certainly not enough to justify the expense.
Re:Power tool manufacturers and who owns them by stephenr on Tuesday May 19, 2020 @06:23PM (#23240999)
Do you mail them the expended cartridge Or expended finger?