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Reply by DavidNJ

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Posted on Which Model SawStop?

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DavidNJ

384 posts in 659 days


#1 posted 12-18-2012 04:55 AM

Pip, you are saying you would definitely spend $430 (about an extra 17%) for 3hp over 1.75hp in a cabinet saw but are less certain it is worth $1000 more than the 1.75hp contractor model? That also makes sense looking at the used saw; the market for 3hp used cabinet saws is much larger than the market for 1.75hp ones. Note that the 1.75hp PCS cabinet saw could be upgraded to 3hp time for about $600 in parts.

It will be the last saw, but the technology used to stop the blade will probably replaced. When I was talking with SawStop today I suggested something (that I probably should have just patented instead): instead of destroying a sacrificial aluminum block and probably the blade, why not use a disc break like the Siemens wedge brake (http://www.siemens.com/innovation/en/publikationen/publications_pof/pof_fall_2005/auto_electronics/braking_systems.htm).

Unlike conventional disc brakes which require externally developed hydraulic pressure for activation, wedge brakes use the energy in the rotating assembly and the friction between the disc and the pad to apply force. It would be a natural for this application and my napkin analysis is that SawStop averages about 150hp-175hp braking force.


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