Oil with Lansky diamond stone?

L

lerner

Joined
Sep 1, 2008
Messages
125
I got a second Lansky Extra Coarse dimond hone (gray/silver holder) and I want it to maintain it's coarseness as long as possible. I thought my last one was just "sliding over" the blade (ATS-34), as apposed to grinding away stock.

So, just checking, would water be a better lube than oil? God only knows what makes the diamond dust stick to the nickel/steel.

Also, did lansky change the method of attaching the diamonds to the metal backing? My old (8 years) one didnt have diamonds on the "side" faces of the bar. This one is coated on all 3 visible faces. (The front/back "end" faces are still uncovered.) Just curious.
 
I do not use any oil with my regular (non diamond) lansky. I just found out recently that Bar Keepers Friend will eat the metal caking off of the stones making them cut metal again. It is found in various supermarkets usually next to the comet, or possibly other abrasive kitchen cleaners. There is an acid in the powder that will dissolve the metal and make it release from the stones, it works great. My extra coarse stone does the profiling, and it gets caked up pretty fast, but once you get it cleaned, it cuts again well. I am not sure if it could damage the diamond stones, so get some more expert advice prior to using it on diamond stones.
 
WD 40 is an excellent cutting fluid for use with diamond stones. It keeps them from loading.
 
I like mineral oil one mine, I figure it doesn't smell, it is food safe, it's pretty cheap, and it does more than enough to keep the grit from loading up.

AFAIK the diamond grit is layered onto the steel plate then the entire piece is nickel coated and the diamonds are more or less plated into the steel. I could be wrong, but that's my assumption.

Bar Keepers friend is about the best to clean stones that have loaded, which will happen with softer steels. S30V (my only knife effectively) makes a nice fine powder that is easily flushed off.
 
Soapy water is what I have used but I like to use them dry too. From what I have read oil in not recommended.
 
Water, without soap. Dry the "stones" after use. Also, diamond hones / stones require a light touch. Too hard breaks the diamonds off.
 
I learned to use oil on all of my stones early on but have switched to dry sharpening with good results. Now and then I clean the stones with some "Comet" or similar.
 
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