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Alex E. Acle
Reviewed in the United States on August 6, 2024
I have been woodworking for over 50 years (metalworking more recently). Sharpening is "my thing". I must say that I can put a razor edge on just about anything. Yet, despite that, I have generally been a total Neanderthal in all things woodworking.I was slow in converting to CBN... that was a HUGE MISTAKE.I bought the 80 grit wheel for establishing the primary bevel (see pic), as I like to progress to honing with bench stones for the ultimate edge. I still do that. I still recommend that practice. But, I will soon be buying a finer grit wheel for lathe tools; to go right from the wheel to the work.That being said, this 80 grit wheel eats metal extremely rapidly!!! Yet, the tool stays COOL (relatively). Frankly, it is a TOTAL JOY to use.I can now grind my primary bevels in a quick few minutes compared to the arduous task on a conventional abrasive wheel, which took a long time, and frequent dipping in water was required to cool the tool. On occasion, I would burn a tool! Very frustrating! THOSE DAYS ARE GONE!I have recently been grinding British and American bench chisels, as well as plane irons with this CBN wheel. They are made of high-carbon steel. So far, there has been absolutely no build-up of metal on my wheel! I have read (and watched videos) that state that you can only sharpen HSS. Others claim that any hard steel is OK with CBN: "CBN is best used to grind hard metals like: • Steels with a hardness rating of at least 45Rc • Cast and wrought irons • Nickel alloys It is second in hardness only to diamonds."I can vouch for that! Most woodworking tool steel is 55-60Rc. I was hesitant to purchase CBN because I though it was only for HSS... NOT TRUE!In closing, I was at first disappointed because I had a lot of runout on my old cheap 6-inch Grizzly grinder. I was using bushings to match my grinder spindle.I then mounted the wheel on the opposite side, and it ran true and smoothly. I have read that sometimes you have to reposition the wheel a few times until you get it right. Try that. I worked for me.I will be buying more CBN wheels.
HH
Reviewed in the United States on February 10, 2023
The runout is not good spindle on the darex m4 is within in. 002 the hole on the 80 grit is the worst, Its .012the 180 grit is .010 runout the machine shakes to much
Anthony D Winans
Reviewed in the United States on December 29, 2023
as ordered
Mark L
Reviewed in the United States on November 15, 2023
The wheel was advertised as 6 inch and was only about 5-3/4 inchThe Grit was stated at 180 grit but it was closer to 240 or lower grit
Customer
Reviewed in the United States on March 20, 2022
Great life for the price would buy again
Larry
Reviewed in the United States on December 18, 2022
grinding wood lathe tools
dee
Reviewed in the United States on January 18, 2022
Good quality
Mark T
Reviewed in the United States on November 4, 2021
The CBN wheel works great. It came with a reducing bushing 1" to 5/8". Unfortunately my grinder has a ½' shaft. I had to go to the local hardware store and find a reducing bushing and use some JB Weld to secure it. A 1' to ½" bushing would have been helpful. Therefore, a 4 star rating.
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