Is there any reason not to use a 7 1/4″ saw blade on a 10″ table saw if I’m cutting 3/4″ wood?
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The guards won't.
No Guards Just Shop Made Splitter
I assume that you are referring to the blade guard? This is an older table saw and the guards are long gone. I just use a zero clearance insert with splitter for each blade.
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I see no problem as liong as the arbor fits. I have used 9" and 8" blades on a 10" TS
If yours is a portable benchtop type with dust collection chute, it may clog in there tho since the bottom side of the spinning blade is what propells dust to the exhaust port. To overcome that you would need to use a vacumn or totally open the lower shroud to let dust fall down
Doing this would not be in any way unsafe, however you will not get as good a cut with the smaller blade. The rim speed is significantly greater with the bigger blade and thus it gives "more cuts per inch." One can compinsate for this by feeding the stock slower into a small blade.
Table Saw Blade Size
Thank You,
That makes sense. I figured the smaller blades would be less expensive so I guess it will depend upon how good a cut edge I need.
I have done it a few times. One thing I noticed is I can do a better job cutting Corian with the smaller blade(smoother cut). I am guessing it is the lower tip speed.