Thread: Hone lapping on a glass plate with silicon carbide powder - pictures

Grinding and Honing 1 and 2 are translated in English to. Henk

I once had an antique 4’ marble dresser top refinished. They had a setup just like yours except it was about 10’ in diameter. It was a wet process and made a mess.

The top was a beautiful grey & black figured piece. Turned out when I got it back it was milk white with grey & black figuring, dramatic. I had them cut a hole in it for a hammered brass sink, and re-enforce the edges with steel rods.

It was interesting to watch them polish large slabs. Very ingenious setup, you must be an interesting fellow. Is the plate glass?

Where did you get the powder?

I am sure you can find it in jewellers supply stores

Originally Posted by maddafinga

Where did you get the powder?

These are common grits for making telescope mirrors. You can get them at gotgrit.com

I bought the 500 SiC for about $2.75 / quarter pound (way more than you need).

I love reading posts like these. You guys show great ingenuity, and that's what I love most about this community.

Traskrom use thin(0.1-0.2mm) self adhesive foil on the glass plate. This way
the glass will not get abraded.

Another thing after you have flattened your stones this way, I would use a diamond
plate to flatten a bit more. I have noticed some particles of the loose grit embed themselves
in the waterstones. By using the diamond plate you ''clean'' the upper layer a bit.

I don't have good experience flattening natural stones with very fine abrasive. The surface
loses its abrasive quality, it becomes too smooth. Practicallly nothing happens this way. Super
slow.

Sharpman

Originally Posted by rickboone

Do you do this for each grit of the powder?

hi Rick.

this is how i sharpen my stones. i started off sharpening my japanese kitchen knives, i have shapton glass stones 1k and 4k. i lap on a piece of glass, and put the glass inside of a cookie sheet to contain any spills. i put one of the rubberized shelf liners inside the cookie sheet before i put the glass in. keeps the glass from sliding around. i put another shelf liner on the table under the cookie sheet so that doesn't slide around. no taping. works great. i put pencil grid lines on the stones to see when i'm done. use only a 220 grit silicone carbide for everything from 1k to 12k. i paid $5 bucks for a pound of 220 grit on ebay. i bought the naniwa ss set, the 5k, 8k, and 12k. they lap nicely too. i got the idea from the guy who invented the edge pro knife sharpening system. he even sells a silicone carbide and glass lapping kit. if you go to his website, he has a video of him lapping a stone with it. i have used my home made version to successfully hone my first few razors, after watching a lot of videos, and reading a lot of posts. success! anyway, i'm starting to ramble now. try it, you'll like it.

shave on,
pat

Originally Posted by Traskrom

Sure it worked. Soon or later you will have mat spot on the floor which will not looks nice. Piece of glass will cost you about 2 bucks, and you can change it any time. A little more difficult with the floor...

Uh.... A floor tile, not the floor. I'm married and not crazy. At least where I live, a granite tile is a lot cheaper than a piece of 1/4" thick glass.

Originally Posted by invention13

Uh.... A floor tile, not the floor. I'm married and not crazy. At least where I live, a granite tile is a lot cheaper than a piece of 1/4" thick glass.

That last sentence might be true, but float glass is very flat whereas a piece
of granite tile? Who knows.