I've got a carbide blade that came with my saw - I don't use it heavily
currently - at most I'll crosscut some 2x4's, and sometimes some plywood.
How much cutting can a typical blade take before it needs replacing?
From your description, you'll need to sharpen it every couple of years, but
every blade is different...including ones within the same brand and model,
though the groupings on good ones are very tight.
A lot also depends on what you're cutting...wood is simple to figure, but
laminate is rough on saw blades.
Some users might get a couple weeks out of a top grade, well sharpened,
circular saw blades. Others may get three years from the same blade, under
different cutting circumstances.
You're asking about the blade that came with your saw. Usually these are
inferior in quality (sometimes to almost anything), but I've gotten some good
ones on Ryobi table saws, among others.
"Men willingly believe what they wish."
Julius Caesar, De Bello Gallico
Assuming you don't hit anything like a nail, stay with softwood/plywood;
keep the light use; avoid the knots and you clean the blade often, I'd say
you can pretty much forget about the blade until 2005...
The blades that come with saw are cheap to mediocre. I have a Craftsman
blade that came with the saw that will last for about 50+ years because it
cuts like crap and is only used for rough cutting wood that needs no
dimensional tolerances at all and finish is not critical. Saw has since gone
and I gave it away with a blade I'd rate is C-
I have a blade that came with my Delta saw that is OK for ripping, mediocre
for cross cutting and will last probably 3 years or more as I do use it for
ripping some stock. The finish is OK. I'd rate it B+
My Freud Diablo blade gets the most use. It is designed for cross cutting
and gives an excellent finish. I use it for ripping at times and it does
well even though it is not the primary design. After almost three years of
moderate use it is ready for sharpening. I'd rate it at least an A
I'd expect to get that much use from a Forrest blade also. The WWII may be
the next one when I do buy.
FWIW, one nail will change the above result drastically.
The blade that came with the saw was equivalent to the ones they sell for
$10 or $20. I don't know the tooth count, but it is maybe 40 and a
combination blade. Yours sound like a better quality and design.
Like most here, I do not have a good answer to your question.
But, - when you no longer are satisfied with the way it cuts,
remember there is such a thing as the relatively cheap, single sided
diamond files, - one such at 1/2"x3" will probably set you back
less than 10 dollars, but it will work wonders on a tired blade
with very little effort.
There are too many factors to give a specific time. The only sure way is the
quality of the cut.
Rip a scrap piece of plywood now, while the blade is new. Mark a date on it,
hang or it or nail it to the wall, then use it down the road to as a check
against the quality of the cut.
Dunno. I used the blade that came with my table saw for five years before I
replaced it. Ultimately, a nail decided things for me. I hit a nail and
big, jagged chunks broke off of several of the teeth. That was that.
Now that I have a relatively good blade on the saw, the performance
difference is dramatic. How much of this is due to my old blade being
dull, and how much due to the alignment job I did on the saw when I changed
blades is something I'll never really know.
Michael McIntyre ---- Silvan < email@example.com>
Linux fanatic, and certified Geek; registered Linux user #243621
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