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Old 03-30-2011, 12:49 PM   #1
jpaul
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Problems with miter or bevel cutting

tile is 12x12 porcelain:

I have some outside corners on a shower that need bevel/miter cuts.

i bought a $120 saw from contractor direct with a tilting table, that didn't produce good cuts.

So I rented a nice new 10 " MK saw, that has a tilting head, nice saw. cuts came out no better than the $120 saw. rental place put on a brand new blade, MK ceramic/porcelain blade, no help. both blades have those 'J' reliefs on them. this saw has 'misters' to keep the blade cool, suppose to be for dry cutting?

the opposite side of the cut looks nice, but the bevel side needed for the corner is "chippy"

I took off the blade from my 7" QED saw, put it on the $120 saw and it cut a lot better, much better than the 10" MK saw. but not the cuts I hope to produce.

I'm guessing its blade problems? so now the project has come to a halt

any ideas?

thanks
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Old 03-30-2011, 01:21 PM   #2
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Outside miters are tough to prevent chipping of the sharp edge. Give in to it. Set the blade back to 90 degrees and take a 64th off the very edge. This will prevent that sharp edge from chipping during use.
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Old 03-30-2011, 08:20 PM   #3
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it also helps if you miter like this;

You can see that you don't miter to the very edge of the face. Hold the miter back some.
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Old 03-31-2011, 07:23 AM   #4
jpaul
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thanks guys!!!!!

that does work better if you cut off the kerf or hold back the mitter from the cut edge and leave a little flat .

good to know this is normally considered a difficult cut, I would have been awful disappointed if I bought a new $800 saw just for bevels to find out the little cheap saw does just as well or bad I should say.

I wonder though, if the larger diameter blades make these cuts worse? maybe a little 4 inch blade is the way to go?

being a trim carpenter I like the clean looks of the bevel corners. wood is easier to cut for sure

thanks again, back in business!!!!!
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Old 03-31-2011, 02:49 PM   #5
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Practice practice practice.

Oh and experience.


But you knew that already.
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