sharping blades

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16 Apr 2015 11:03 #3346 by nappypappy
sharping blades was created by nappypappy
Well my question is how do you sharpen your blades.....like what do you use to do it and how do you know they are sharp?
Or when is it time to replace them or how many times can they be sharpened?

1985 416-8
520-H
You can lead a horse to water but you can't make him drink.
I can't see the forest for the trees.

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16 Apr 2015 11:39 - 16 Apr 2015 11:42 #3347 by GT 14
Replied by GT 14 on topic sharping blades
I take mine off the deck and sharpen on a belt sander (makes a nice edge). You don't need to take all the nicks out just put an edge on. (10x blade life)
You can take 25-30% of the width for sure but if the metal is worn thin from abrasion get a new one.
If you just put an edge on you can sharpen 50X.
Too rusty bent or twisted, get new ones.
And you should check the balance, just put a nail in the wall and hang the blade from the spindle hole.

1969 GT-18
1978 C-101
1983 C-225
Last edit: 16 Apr 2015 11:42 by GT 14.
The following user(s) said Thank You: GlenPettit

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16 Apr 2015 12:44 #3349 by nappypappy
Replied by nappypappy on topic sharping blades

GT 14 wrote: I take mine off the deck and sharpen on a belt sander (makes a nice edge). You don't need to take all the nicks out just put an edge on. (10x blade life)
You can take 25-30% of the width for sure but if the metal is worn thin from abrasion get a new one.
If you just put an edge on you can sharpen 50X.
Too rusty bent or twisted, get new ones.
And you should check the balance, just put a nail in the wall and hang the blade from the spindle hole.

ok thanks.....belt sander sounds like a good idea.........I was thinking about taking my blades some place to be sharped but might just try and do it myself.

1985 416-8
520-H
You can lead a horse to water but you can't make him drink.
I can't see the forest for the trees.

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16 Apr 2015 13:06 #3350 by GT 14
Replied by GT 14 on topic sharping blades
I have a 4 inch belt sander that I clamp to the bench (belt up). You can control how much you take of allot easier.

1969 GT-18
1978 C-101
1983 C-225

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16 Apr 2015 14:46 #3351 by JustinW.73
Replied by JustinW.73 on topic sharping blades
I just use a 6 inch bench grinder. I would think the sandpaper would wear out fast.

1973 No Name 16
1966 856
1964 854
198? 520H
Way too many decks
1966 f100

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16 Apr 2015 16:07 #3352 by GT 14
Replied by GT 14 on topic sharping blades

JustinW.73 wrote: I just use a 6 inch bench grinder. I would think the sandpaper would wear out fast.


Sand paper holds up very well, blade metal is fairly soft.

1969 GT-18
1978 C-101
1983 C-225

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16 Apr 2015 17:16 #3353 by M Bailey
Replied by M Bailey on topic sharping blades
Pappy I agree with GT's method, I also use a belt sander to sharpen blades. When you pull the blades make sure to check them for cracks around the retaining bolt.

Major


"I refuse to join any club that would have me as a member." Groucho Marx

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16 Apr 2015 20:06 - 16 Apr 2015 20:07 #3354 by nappypappy
Replied by nappypappy on topic sharping blades

M Bailey wrote: Pappy I agree with GT's method, I also use a belt sander to sharpen blades. When you pull the blades make sure to check them for cracks around the retaining bolt.

ok thanks and i will check for cracks....

1985 416-8
520-H
You can lead a horse to water but you can't make him drink.
I can't see the forest for the trees.
Last edit: 16 Apr 2015 20:07 by nappypappy.

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17 Apr 2015 05:01 #3364 by Trouty56
Replied by Trouty56 on topic sharping blades
Good thread......I don't have a belt sander but I do use something in the angle grinder that is similar.....like a heavy sandpaper that would make a nice edge.....(use the material to remove paint and such.....)


Bob T
Adams County Pennsyltucky


"One, that's easy to remember. It's the first number in the alphabet...." - Barney Fife

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22 Apr 2015 16:58 #3640 by dcrage
Replied by dcrage on topic sharping blades
I am with Bob on this one -- I use an angle grinder with a heavy grit sandpaper -- Just need to be careful on how much blade you remove -- Angle grinders can really take a lot of metal -- A light touch is good

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