Big clinker and porcelain tiles problem

[Ken Bruty]

I've had the odd porcelain cutting probs too, I also have a sigma and made all sorts of adjustments to the gantry, sometimes it works if you turn the tile 180 deg after the initial scoring and scribe the top end 30-40mm then come back down and break the tile about 25-30mm from the other end near the measuring bar and instead of pressing down on it to break it, put a slight pressure on then crack the handle one firmly with the palm of your hand quickly so that the whole tile hardly flexes, this usually does the trick for me :smilewinkgrin:

 

[Brian the Tile]

Have you tried a new wheel in your cutter, also you dont need to press down too hard that is why the tiles are Chipping imo

 

[CJ]

If a decent size cut.....I score the tile then break it over my knee. Can hurt sometimes though.

 

[Stef]

If its a decent sized cut I used to score it then sit it on the floor with either a spacer or a screw at each end & push down & snap it that way but then I bought a Sigma & I've been fine..

 

[widler]

IMO it is nothing to do with the cutter, its the tile in most cases

 

[Ian]

IMO it is nothing to do with the cutter, its the tile in most cases

I agree, there are the odd few tiles that just won't cut, usually those stupid double fired ones. Do they not realise it just makes them brittle and a pain to cut? Over engineered for no good reason.

 

[Hlm]

They are a nightmare! Very frustrating, the wheel on the cutter is fine, I think it's the density and how they have been made.

 

[rabw]

I know this is an old thread, but just to chime in... I have a big clinker that I've put a brand new wheel on. Having the exact same problem with the porcelain tiles I'm currently laying, which is why I'm now using a wet cutter for everything. My big clinker was mostly trouble free when I did porcelain tiles 6+ years ago in my old kitchen - the tiles were cheap ones off eBay then too, the current ones are relatively expensive.

 

[Jason T]

I know this is an old thread, but just to chime in... I have a big clinker that I've put a brand new wheel on. Having the exact same problem with the porcelain tiles I'm currently laying, which is why I'm now using a wet cutter for everything. My big clinker was mostly trouble free when I did porcelain tiles 6+ years ago in my old kitchen - the tiles were cheap ones off eBay then too, the current ones are relatively expensive.

My clinker was doing great, cutting with light pressure score and breaking very cleanly then suddenly it started chipping the glaze? bits popping off after its scored? heavier pressure is slightly better but its still popping off in places. These will look bad when I grout. tried various adjustments and 2 new wheels but no joy. Any ideas?

 

[Kastar UK]

A wet/dry porcelain blade in a 4inch grinder 95% of the time ,only ever doing wet cuts on external corners and window cuts ?