Thread: I dropped my 'Shapton on tempered glass' stone on my kitchen tiles!

I have tried, every time i chip the glass off a piece of the stone breaks too

Originally Posted by Brighty83

I have tried, every time i chip the glass off a piece of the stone breaks too

Glue the back to a new base with epoxy resin. that should keep the glass from detaching.

Originally Posted by Brighty83

Why did they have to use tempered glass, why not normal glass!

Because if you dropped it, it would shatter as well. Only not into nice and relatively dull tempered pellets, but into wicked sharp nasty pieces of glass.

Originally Posted by HNSB

I found the thread I was thinking of: http://straightrazorpalace.com/honin...s-results.html

Unfortunately yours didn't turn out as well as Chris'.

It must be a 'Chris' thing to try and cut shapton stones.

I can imagine how it went:

1.) Hand slipping from the stone, momentarily lifting the forcefull grip of brighty the mighty
2.) Stone falling, accelerating at a staggering rate
3.) At the peak of acceleration the impact seems inevitable
4.) Brighty thinking: "come on gravity, you used to be cool" trying to prevent the worst
5.) Shaptons masterpiece shattering into pieces
6.) Brighty shaking one single angry fist thinking "damn you, Isaac Newton for inventing the gravity!"



I´m very sorry to hear your stone got hurt, though

When the new Shapton 1k arrives, simply close this chapter and shuffle on down to the rubber mat store.

Case closed............

Mate, sorry to hear that!

I did the same ages back and dropped my 8k in the sink while I was lapping it... The Shaptons are awesome stones buy they don't like to be dropped.

All you can really do if it's totally nadgered is bin it and get a new one. Annoying but unfortunately that's about all you can do if it's not salvageable.

Sorry mate, my sympathies

Originally Posted by Bruno

Glue the back to a new base with epoxy resin. that should keep the glass from detaching.

Ditto this. I would do this with any glasstone, anyway. Thicker stones are always nicer to use. If you start with a glasstone, gluing it to a piece of quartersawn wood, or another (scuffed) thicker piece of cut glass with epoxy makes it a lot nicer to use.

Originally Posted by Bruno

Because if you dropped it, it would shatter as well. Only not into nice and relatively dull tempered pellets, but into wicked sharp nasty pieces of glass.

Another reason they may have chosen tempered is because tempered glass is heat treated and is stronger. The tempered glass will withstand more jolts than annealed glass and thus is better suited for people like us who move them around a lot, setting them down hard and also applying pressure to it even if it's for wood working tools.

When I first started working in the glass industry (many years ago and eventually left it) I got a chance to see just how strong tempered is. I had a door glass from a Chevy (it was sandblasted from a sand storm) and used a center punch in the middle 5x and it never broke. Yet when I took a coat hanger and swatted the edge like I was using a fly swatter it shattered. FYI for all of you, the edge of tempered glass is the weak spot. Now, when I tried the same method on annealed the first pop from the punch busted the glass yet the coat hanger on the edge merely chipped it and started runs.

Given the expense of the Shapton 1k I would have just tossed it and got a new one however, it never hurts to try what you did and this now stands as an example of what could happen. Just be thankful this Shapton you broke wasn't the 30k.