Need tile cutting tip

I'm trying to cut 18"x18" porcelain tiles with a cutter I got from Lowes. If I cut a tile more or less in equal peices, it snaps OK. If I try to cut 3" off a side, the big piece usually gets chipped 1/2" in the corner where I snap it. Is there some secret for using the tile cutter, especially when trying to snap off smaller pieces?
Thanks.
Ken
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rent a wet saw for a day to do all your cuts, or take them to lowes and have them do it on their wet saw for a very small fee.
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KenM wrote:

Lowes.
to cut

where I

when
Porcelain tiles can be a bitch. Time to rent/borrow a wet saw.
R
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Are you placing the tile score line on a sharp edge to break it and are you using a tool that is 18 in long to break it?
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KenM wrote:

Don't use a snap cutter for porcelain. Wet saw.
--
BS205 DOF#FiftyTo G&W CVNS-FD#1

Kegs are for Beers -
  Click to see the full signature.
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Sounds like everybody agrees. Get a wet saw.
Ken

cut
I
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Depending on the job size even a cheap one (88.00) is better than the ol snap method.
If you have to make holes, go for a rotozip (or anything similar) to make any size hole or opening.
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