pcmeiners said:
Experience with 4.5" and larger. Two negatives with hand held devices, the diamond area of the blades tend to breakup if jammed or misaligned under power; face shield definitely needed. The other issue, diamonds burn up when heated so the blades do not last long without water cooling. Other than that, a 4.5" on a hand held grinder works wonders on many materials, I buy cheap blades as I expect to have them breakup before they wear down.
For more china diamond cutting blade manufacturersinformation, please contact us. We will provide professional answers.
Are you interested in learning more about china diamond saw blades manufacturers? Contact us today to secure an expert consultation!
Click to expand...
I don't do too much cutting with these discs, but I bought a 4.5" diamond wheel a few years back, and have not used an abrasive slicer since.
My diamond disc is a little thicker than my good abrasive wheels (Metabo was my favorite). The diamond seems to cut a little slower, but I'm not sure if it's actually slower, or if it's just my perception due to the fact that it throws less sparks, since it isn't eroding. And also, abrasive wheels slow down as they shrink (since the edge speed decreases with diameter), while the diamond doesn't have this issue.
Anyway, I really meant to reply to the diamond burning up issue. While it is possible to burn up diamonds, that doesn't happen cutting steel. By the time a diamond gets anywhere near the point of combustion, the steel will have already burned away long before (which coincidentally happens to be a good way to cut steel).
What does happen (and why surface grinders don't use diamond on steel), is that the steel actually bonds to the diamonds, shortening their life. But that's not the issue here.
Metal cutting diamond blades are designed a little differently than their stone cutting older brethren. The heat issue is with how the diamonds are bonded to the plate. Stone cutting wheels do run cooler. In fact, many water cooled diamond tools are actually made from plastic! The air cooled discs have spaces that pull in air, but such designs would kick-back on steel, which is why the really cheap diamond discs shouldn't cut steel.
What makes steel cutting diamond wheels special (read, expensive) is that they bond the diamonds in a way that is more heat resistant than the stone cutting wheels, while still being able to be air cooled.
And? Abrasive cutoff wheels are also useless on aluminum. Aluminum buildup on abrasive wheels is a major cause of wheel explosions. I own a few aluminum rated abrasive grinding wheels, but do not recall seeing any aluminum rated abrasive cutting wheels. Plus aluminum cuts faster with a jigsaw anyway.
I don't do too much cutting with these discs, but I bought a 4.5" diamond wheel a few years back, and have not used an abrasive slicer since.My diamond disc is a little thicker than my good abrasive wheels (Metabo was my favorite). The diamond seems to cut a little slower, but I'm not sure if it's actually slower, or if it's just my perception due to the fact that it throws less sparks, since it isn't eroding. And also, abrasive wheels slow down as they shrink (since the edge speed decreases with diameter), while the diamond doesn't have this issue.Anyway, I really meant to reply to the diamond burning up issue. While it is possible to burn up diamonds, that doesn't happen cutting steel. By the time a diamond gets anywhere near the point of combustion, the steel will have already burned away long before (which coincidentally happens to be a good way to cut steel).What does happen (and why surface grinders don't use diamond on steel), is that the steel actually bonds to the diamonds, shortening their life. But that's not the issue here.Metal cutting diamond blades are designed a little differently than their stone cutting older brethren. The heat issue is with how the diamonds are bonded to the plate. Stone cutting wheels do run cooler. In fact, many water cooled diamond tools are actually made from plastic! The air cooled discs have spaces that pull in air, but such designs would kick-back on steel, which is why the really cheap diamond discs shouldn't cut steel.What makes steel cutting diamond wheels special (read, expensive) is that they bond the diamonds in a way that is more heat resistant than the stone cutting wheels, while still being able to be air cooled.And? Abrasive cutoff wheels are also useless on aluminum. Aluminum buildup on abrasive wheels is a major cause of wheel explosions. I own a few aluminum rated abrasive grinding wheels, but do not recall seeing any aluminum rated abrasive cutting wheels. Plus aluminum cuts faster with a jigsaw anyway.
Contact us to discuss your requirements of china grinding cup manufacturers. Our experienced sales team can help you identify the options that best suit your needs.
Comments
All Comments (0)