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Mower Blade Sharpening Method
Posted on 6/26/19 at 9:20 pm
Posted on 6/26/19 at 9:20 pm
I have been using hand file to sharpen blades the last few yrs. Looking to use an angle grinder with flap disc to speed up the process. Angle grinder would only be used for this. Should I get the $10 Harbor Freight version? If not, recs? Also, what flap disc grit is recommended?
Thanks!
Thanks!
12
Posted on 6/26/19 at 9:28 pm to TygerB8
No. I’ve seen those not last a day. Spend $30 dollars or more and get you one that will last.
Posted on 6/26/19 at 10:13 pm to mfiredog
What is the best method? I know I need to do this more often and can get whatever is best. I'm moving to a house with about 1.5 acres to cut with some cypress roots so will be doing it fairly often.
Posted on 6/26/19 at 10:42 pm to MikeD
A stationary sander is the best since it won’t heat the blade as fast as a grinder and soften the metal.
Posted on 6/27/19 at 4:13 am to TygerB8
I use a Makita disc sander/grinder that painters use to prep houses. It uses various grit heavy duty discs and I usually use a 36 grit to clean up the edge and begin the bevel then finish it up with a hand file to hone the edge.
The more important thing is to keep the blade balanced and not remove more material from just one edge. They make little "blade balancer" gizmos that let you know if your blade is true once done. An out of balanced blade can put some vibration in the crankshaft.
The more important thing is to keep the blade balanced and not remove more material from just one edge. They make little "blade balancer" gizmos that let you know if your blade is true once done. An out of balanced blade can put some vibration in the crankshaft.
Posted on 6/27/19 at 6:58 am to gumbo2176
I use a Makita angle grinder with a sanding disc on my riding mower blades. Push mower blades are cheap so I just buy a new one.
Try not to overheat, but I don't think lawn mower blades are hardened so you don't really need to worry about it too much. Proper balancing is important though.
Try not to overheat, but I don't think lawn mower blades are hardened so you don't really need to worry about it too much. Proper balancing is important though.
Posted on 6/27/19 at 8:04 am to TygerB8
I use a hand file. $12 at the walmarts.
Posted on 6/27/19 at 8:37 am to TygerB8
Angle grinder and flap disk. Lowes has a great little 6-amp Porter Cable grinder that goes for $16 on sale. I have a $20 4-amp Harbor Freight grinder that I've beaten the shite out of for years and still works. I use an old 80 grit Gator brand disk and a light touch, work both sides a few seconds at a time and keep a bucket of water to cool the blade in.
Posted on 6/27/19 at 9:11 am to TygerB8
I use 80 grit on a Milwaukee angle grinder. Replace the blade every two years
Posted on 6/27/19 at 10:07 am to TygerB8
quote:
Mower Blade Sharpening Method
Take blade off, take to hardware store mower repair desk, have them sharpen it, put blade back on. Repeat when needed. $4.00 each time.
Posted on 6/27/19 at 7:16 pm to TygerB8
Why not a bench grinder?
Posted on 6/27/19 at 9:32 pm to X82ndTiger
Thanks all for the info.
Re: bench grinder, that was my initial thought. However, with the curves of my mulching blades, my thought was an angle grinder gives me more control of adjusting the grind.
Re: bench grinder, that was my initial thought. However, with the curves of my mulching blades, my thought was an angle grinder gives me more control of adjusting the grind.
Posted on 6/28/19 at 2:09 pm to TygerB8
I've used a bench grinder for my blades for 30 years. MUCH more versatile for the home DIY shop. The lawnmower shops usually use a bench grinder as well. Take it slow, Too fast and too much heat and you'll see the metal discolor which softens it. The angle doesn't have to be perfect unless you are maintaining a golf green! Use a piece of string or a nail to determine "balance", once again, it doesn't have to be perfect, just not seriously out of balance. I'm using the same Gravely push mower for 25 years and replaced the blade only 3 times.
Posted on 6/28/19 at 3:30 pm to eatpie
surprised no one has posed one of these.
Posted on 6/28/19 at 10:27 pm to CarRamrod
Yep. Get that stone disc. Tractor supply has it by the chainsaw stuff. Maybe like $5
Posted on 6/28/19 at 11:05 pm to TygerB8
Grinder works well.
Just don’t heat blade to much.
Just don’t heat blade to much.
Posted on 6/29/19 at 8:04 pm to munchman
I take mine to ACE for $5
Posted on 6/29/19 at 10:10 pm to peaster68
Posted on 6/29/19 at 11:24 pm to TygerB8
Grinder because I have one for other manly chores and I ain’t giving no slap dick $5
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