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Need to heat treat mower blades after sharpening?
Posted on 6/2/13 at 12:32 pm
Posted on 6/2/13 at 12:32 pm
Local Kabota dealer sharpened my Woods mower blades with his special grinder. Do these need to be heat treated or do I just use as is.
1
Posted on 6/2/13 at 1:07 pm to Nawlens Gator
Do they look discolored. A blueish tint to them, like they were overheated?
Posted on 6/2/13 at 1:10 pm to Nodust
No there is no blue tint. I was just worried the grinding may have softened the steel. Think I'm good to go?
Posted on 6/2/13 at 1:11 pm to Nawlens Gator
You should be tood to go. Just out of curosity how did you plan on heat treating them? Do you have a furnace?
Posted on 6/2/13 at 1:13 pm to Nawlens Gator
You should be good. If they had the right tool they wouldn't have overheated them.
Just make sure if you do reharden, just do the cutting edge not the whole blade. Hardened steel is brittle and you don't want the blades to break off and become projectiles.
Just make sure if you do reharden, just do the cutting edge not the whole blade. Hardened steel is brittle and you don't want the blades to break off and become projectiles.
Posted on 6/2/13 at 1:17 pm to hypnos
No furnace, but that would have been my next question. I've got a torch I could heat with but I'm clueless on what is needed or any details. My oven could hold the 24" blades but it is probably not hot enough.
Posted on 6/2/13 at 1:22 pm to Nawlens Gator
Torch with a rosebud. Get the cutting edges as hot as you possible can. then dip them in a oil bath.
Posted on 6/2/13 at 1:31 pm to Nodust
Each edge is about 8" long X 3 blades X 2 edges per blade. I could get them plenty hot with the torch. Is this worth it in your opinion?
Posted on 6/2/13 at 1:33 pm to Nawlens Gator
Not sure. Try one and use it for a few cuttings and see if there is a difference. You can youtube for some good tips on hardened steel.
Posted on 6/2/13 at 1:35 pm to Nodust
Thanks Nodust and hynos!
Posted on 6/2/13 at 1:37 pm to Nawlens Gator
Posted on 6/2/13 at 2:17 pm to Nawlens Gator
Your blades should be/ are fine. Don't frick with them.
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