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Resharpening Woods brush blades.

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Haycreek MN

07-16-2003 05:56:58




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Hello, Anybody out there ever sharpen brushcutter blades? Just wondering what would give the best results, my neighbor says to give them a "square" grind, verses a bevel grind. Thanks for any info.




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red-n-green

07-16-2003 18:40:43




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 Re: Resharpening Woods brush blades. in reply to Haycreek MN, 07-16-2003 05:56:58  
When I sharpen the blades on my bushhog I angle like the factory did. I also run a bead of weld along the edge of the blade. This helps from removing steel from the blade and gives a harder edge.

Jay



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Unimog

07-16-2003 10:41:08




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 Re: Resharpening Woods brush blades. in reply to Haycreek MN, 07-16-2003 05:56:58  
I sharpen mine all the time. I take them off to
do a better job with an angle grinder. I try to
keep the edge as close to the factory bevel as
possible. I figure Woods spent many hours and
money designing which edge works best. You don't
want a razor sharp edge, but something a little
blunt to split the stubs left after cutting to
reduce regrowth.



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Doug Shields

07-21-2003 13:59:27




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 Re: Re: Resharpening Woods brush blades. in reply to Unimog, 07-16-2003 10:41:08  
Speaking of mower blades. I have a 1957 IH Farmall Cub with a "Brush Hog" type mower mounted via a single point hitch. The mower came with the tractor when it was purchased. There are no identifying marks except for a "C" inside of a circle. DOES ANYONE HAVE ANY INFORMATION ON THE MANUFACTURER OF THIS IMPLEMENT?

I lost a blade on the thing last year and have been looking for a replacement. There dosen't seem to be ANYTHING TO REPlace around.

Thank you for your interest.

Douog Shields

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Doug Shields

07-21-2003 13:56:13




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 Re: Re: Resharpening Woods brush blades. in reply to Unimog, 07-16-2003 10:41:08  
Speaking of mower blades. I have a 1957 IH Farmall Cub with a "Brush Hog" type mower mounted via a single point hitch. The mower came with the tractor when it was purchased. There are no identifying marks except for a "C" inside of a circle. DOES ANYONE HAVE ANY INFORMATION ON THE MANUFACTURER OF THIS IMPLEMENT?

I lost a blade on the thing last year and have been looking for a replacement. There dosen't seem to be ANYTHING TO REPlace around.

Thank you for your interest.

Douog Shields

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Jerry ,MT

07-17-2003 11:48:15




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 Re: Re: Resharpening Woods brush blades. in reply to Unimog, 07-16-2003 10:41:08  
How do you make sure that when you're done sharpening that one blade isn't heavier than the other and so you're out of balance? Do you weigh the blades and get the weight the same by grinding off some material on the heavier one? If you don't it seems to me that you can get a lot of vibration that will damage the bearings.
The other fellla said he welds the leading edge before he grinds them. Seems to me the same question re: balance would be true and then also the effect to heat on the blade material could pose some questions regarding the safety of this kind of thing. With these blades weighing 5-10 lbs a piece and whirling around at 540 rpm, if they break you could have a heck of mess. Any comments?

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Unimog

07-17-2003 18:57:24




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 Re: Re: Re: Resharpening Woods brush blades. in reply to Jerry ,MT, 07-17-2003 11:48:15  
Generally both blades are worn about the same. I
just try to take the same number of strokes off
both blades. I've never weighed them to balance
because the amount I grind off is almost nothing
weight-wise. I get no vibration and have had no
trouble using this method. I had a blade break
one time and the mower shakes so much you have to
shut it right down.



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Fighting suburbia in NC

07-18-2003 10:23:49




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 Re: Re: Re: Re: Resharpening Woods brush blades. in reply to Unimog, 07-17-2003 18:57:24  
The one time I had a blade break I couldn't shut down fast enough!!!! Had a 6' hog on a Ford 2000 SOS so the PTO was independent. Made the mistake of lifting the hog as it was wobbling down from speed (to clear the rock that had done the damage)and thought the whole tractor was going to shake to pieces. That light utility tractor with a little too large of a weight on the back was shaking like a dog come in from the rain.

A hog at speed will make gravel of any rocks that get kicked up. I reckon that is why the latest ones have the stump-jumpers installed - keeps things from getting out of control as easy.

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