Nickel plated diamond wheels

homebrew.357 · Jun 5, 2019

Hi guys, I have been using a small diamond plated wheel to sharpen my T/C gun drills and its starting to wear out, can't remember where I got it from. So trying to find a supplier in US that makes them and hopefully exports to New Zealand .The one I have is 3"round x .400" wide, code D400-no60290, so any help would be great thanks, Hombrew.357.

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Hodge · Jun 5, 2019

When you say it's wearing out, do you mean the corners are getting rounded or the diamond is about gone? If it's just the corners you can true it. I used to use a truing device aka diamond wheel dresser that had a small stone and finger brake. You can mount the wheel in a lathe to clean the metal sides if needed as well.

MattiJ · Jun 5, 2019

Hodge said:
When you say it's wearing out, do you mean the corners are getting rounded or the diamond is about gone? If it's just the corners you can true it. I used to use a truing device aka diamond wheel dresser that had a small stone and finger brake. You can mount the wheel in a lathe to clean the metal sides if needed as well.

Not much material left for truing if corners are already "gone" on plated wheel.

Hodge · Jun 5, 2019

Reason i brought it up i wasn't sure if it was a thin plating or a thicker layer around the peripheral. I got rather used to truing the face and cleaning the sides due to the rework requiring a sharp radius for the type of work we did.

When i started/ inherited the rework (i was the new guy) there were an abundance of wheels in a sad state that still had usable life just needing attention. I became rather adept at getting all the life out of them. Believe it or not often times the better condition newer wheels were stashed/ hoarded up.

Looked like there's still a fair bit of material on the wheel if my eyes aren't deceiving me.

homebrew.357 · Jun 5, 2019

They are thin plated and can't be redressed, the front and back edge have lost the cut, only the front side is working. I know a company in China, Kosuperhard make them but thought there was one in the U S. Like any grinding tool it eventually wears out so looking for some new ones?, Homebrew.357.

thermite · Jun 5, 2019

homebrew.357 said:
They are thin plated and can't be redressed, the front and back edge have lost the cut, only the front side is working. I know a company in China, Kosuperhard make them but thought there was one in the U S. Like any grinding tool it eventually wears out so looking for some new ones?, Homebrew.357.
View attachment 258143

What you call "plating" is more likely the furnace-braze the abrasive is embedded in..

Regardless... they are commodity items, "Consumable", even. Not many dressing cycles there.

Like it or not, China is the primary mass-produced source for affordable ones - including some that are packaged under Japanese, European, or North American branding. Or so some suspect.

ADFToolmaker · Jun 5, 2019

Is there a specific reason you don't want one from Asia? Industrial Tooling in Mt Roskill should be able to source you one, but it will most likely be Asian. As already stated, that's where most of that stuff comes from, regardless of the brand. Also, have you spoken to S&G Abrasives?

MattiJ · Jun 5, 2019

thermite said:
What you call "plating" is more likely the furnace-braze the abrasive is embedded in..

Regardless... they are commodity items, "Consumable", even. Not many dressing cycles there.

Like it or not, China is the primary mass-produced source for affordable ones - including some that are packaged under Japanese, European, or North American branding. Or so some suspect.

AFAIK "furnace brazed" is yet different type of grinding wheel and it has some actual "meat" for trueing.

From thinner to thicker:
Electroplated
Brazed
Resin bonded

CarbideBob · Jun 5, 2019

I know of at least 10 sources who make them in the US but don't know who exports.
Google "plated diamond grinding" or :"electroplated diamond grinding",
IMO the best come from here:
Cranden Diamond Products Ltd
In the UK and I know they export.
Bob

homebrew.357 · Jun 5, 2019

You are probably right they come from Asia, I don`t know where mine came from. I have asked Mt Roskill to see if they can get them.

CarbideBob · Jun 5, 2019

Many places will strip and recoat your core if you have not cut through.
Bob

DavidScott · Jun 5, 2019

I use vacuum brazed tools a lot on stone but would not use it for carbide, for that I would use resin bond. They are way more common and work better for what you are doing, IMO. By the way all the vacuum brazed tools of good quality that I know of are single layer, if you dress them you will remove the one layer of diamond. There are still quite a few companies that do vacuum brazed diamond or cbn in north america, don't count it gone.

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