Thread: Ding'd Shapton Glass 4k.. best approach for the resulting chip...

Not sure how it happened. I think the protective box I made.. didn't.

I have a small chip out of the long edge of my SG 4k. It's definitely in the when on my 'to' stroke if it's positioned on the right side. Less so, if I put on the left side as pictured.

Only option I can think of is to smooth the rough edges with.. hand sanding with paper around a dowel? Dremel?

Any other suggestions?

Pictured next to a wooden toothpick..

My sympathies, I had that happen on a GS 1000. The best approach is as you suggested: gentle sanding with paper (say 600) wrapped around a small dowel. It looks like your stone's edges could do with a bevel as well.

Bevel the stone edge.
I could also work with building up the area with superglue, that you later lapp off

Just IMHO, take the chip down to wear it doesn't catch the edge. First I'd try just the chipped area, and leave the undamaged area alone. No point in removing material that isn't damaged. OTOH, if it seems to be better to bevel the whole edge, you can always take it off. You just can't put it back on. .......... or maybe you could ....... if you have the chip, Gorilla Glue it back on. Let it set up a couple of days and lap it flat. Hone guru at Japan Tool told me he has used GG to glue synthetic waterstones with success.

Thanks all.. the chip was powder at the bottom of my hone box.

I like the idea of building up the area with CA.. I can undo that if it doesn't work.

In the scheme of things, it isn't that big of a deal.

For the sake of closure and benefit of anyone who finds their way to this thread in the future..

I decided to try repairing the chip by building up CA glue.

I applied a piece of masking tape along the edge of the stone to act as a dam. The applied a single drip of regular CA glue into the chip and let it dry. Later added a total of three more drops with the intent to created a mound where the chip was. It was taking forever to dry so I dipped the tip of a toothpick into a CA accelerator and dabbed it to the CA glue.. it was dry and hard as a rock in about fifteen minutes.

I lapped the now dry and hard CA glue with a DMT card first, then lapped the entire stone with a DMT325 and chamfered the edges very lightly (the edges were already chamfered).

Result.. perfect. I honed on it last night and can't feel the repair patch at all. Happy I tried this option first and glad it worked well.

Now, to build a better storage solution.

Is this a shapton issue?
My stone too!

Originally Posted by Hthomas

Is this a shapton issue?
My stone too!

I can't say it's an issue with the SG stones.. I have six and put a chip in only one..

It's more an issue with storage.

I made a pretty good storage box with slots to hold the stones, but somehow I ding'd them.

Yours is in a better spot than mine was, though yours is bigger. I am confident yours could be fixed using the same technique I used, though it would take a bit more layers of CA.

Any hard stone will chip when you do that. If you're into using the other side of the stone, you can leave a chip like that alone entirely if you wish to. It's only going to catch the razor on a stone that wide if it's on the side where you're holding the tang.

I'd have sanded it, but gluing isn't a bad idea if the glue doesn't make a hard line (I can't imagine that it would).