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glass cutting? Answered

what kind of blade should you use if cutting glass bottles on a wet tile saw ?

6 Replies

user
Burf (author)2012-04-01

Use a diamond blade made for glass tile. Make sure you're getting plenty of water and move the work slowly while cutting, else you'll get chips and fractures in the glass.

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user
iceng (author)2012-03-31

I rather like the score a line and burning string method.

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user
steveastrouk (author)iceng2012-03-31

There;s a way with a hot wire too.

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user
iceng (author)steveastrouk2012-03-31

+2 Good point
The wire heat will cause the bottle to soften in the score.
Then while still warm, the bottle is thrust into cold water
to pull together the remaining polymer molecule chains
so fast that the stress of the bottle is released through
the scratch causing the break in the glass.
Usually along the score trough.
But a tungsten carbide "diamond" wheel is smoother.

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user
rickharris (author)2012-03-31

A diamond impregnated blade

There are several instructables on cutting bottles if you search.

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