Second stage grinding with the tile tool
Had my first hour grinding with the tile tool and must say its an interesting and utterly sweat inducing process.I slightly misread some of information I had read and ended up grinding with a 3" overhang on my tile tool rather than the centre of the tool being 3" from the centre of the blank which is a 1" overhang rather than 3".tbh in my first hour I just wanted to bed the tile tool in and get the hang of grinding with the tool but the curve already looks more spherical and my sagittal is nearly 0.5mm shallower after just an hour unless ive measured wrong or the fact I did a big bevel after getting to the 12.5mm sagittal.the bevel explanation is probably more likely.
here is a sequence of photos showing tool contact after:
15 minutes
30 minutes
60 minutes
seems like good contact and will start doing the correct 3" over centre strokes next time out.im doubting that ive done any harm with only an hour of doing it slightly over so happy that im going in the right direction.
one thing to say about this stage-pushing a 15kg+ piece of concrete that sticks every now and again is much more tiring than the 10kg ring tool that glides quite well plus this stage uses grit much faster and each wet takes much less time.
hopefully be another update early next week when ive got a few more hours in on the tool and measured the contact.
clear skies Rich
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