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Magna-Matic Lawn Mower Blade Balancers, Sharpeners, and more

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  #1  
Old 07-24-2014, 08:32 AM
kawakx125 kawakx125 is online now
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wheel recommendations

What wheel do you recommend for the mag 9000 sharpening only Oregon Fusion and Scag Marbain blades? Will the soft OEM one wear out on me very quickly sharpening these blades? I noticed that you state your grinders are made for a rockwell hardness of 20-40, and the Marbain blades run 48-52, unsure what the fusions run
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Old 07-24-2014, 01:04 PM
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Hello kawakx125,

I would test out the 9000-35 or 9000-34 if you would like a harder wheel, which will be better suited to a harder blade.

See more info here:
http://www.magna-matic-direct.com/No...peners-s/2.htm

The statement of 20-40 ROCKWELL is in regard that the majority of blades in the industry fall within that hardness range.

I would be interested to know the source for your data on blades being 48-52 ROCKWELL. We have spot tested lawn mower blades from various manufacturers, and even cheap Wal-Mart blades, and the Rockwell hardness of blades varies greatly. We found some Fusion blades coming in softer than blades at Wal-Mart for push mowers.

Keep in mind the harder the lawn mower blade, the greater the risk of cracking and chipping when foreign objects are hit with the blade.

Thank you,
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Old 07-24-2014, 01:16 PM
twomancrew twomancrew is online now
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I would be interested to know the source for your data on blades being 48-52 ROCKWELL.

http://www.fbblades.com/marbain-mower-blades
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Old 07-25-2014, 06:32 PM
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Hello twomancrew

Thank you for the reference.

For that hardness range, the 9000-34 would be suitable.

Thank you,
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Gerd Ferdinand Bauer II

Magna-Matic Corporation
Waldo WI USA
800-328-1110 (toll free USA & Canda)
920-564-2366 (PHONE)
gbauer2@magna-matic.com
www.magna-matic.com
www.magna-matic-direct.com
www.youtube.com/magnamaticcorp
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  #5  
Old 07-25-2014, 10:27 PM
twomancrew twomancrew is online now
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Quote:
Originally Posted by Magna-Matic View Post
Hello twomancrew

Thank you for the reference.

For that hardness range, the 9000-34 would be suitable.

Thank you,
Your welcome. As much as I assume you folks know of hardness I can't see 50 RC being a good thing. I was recently told that when carbide inserts became popular in the 70s most tool makers were using carbide but didn't at all understand how it was cutting as fast for as long as it did without wearing. I'll let others in the industry try these blades out before I go and put them on my mower. I have a hard enough time keeping good spindle bearings as it is.
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Old 07-26-2014, 06:17 PM
kawakx125 kawakx125 is online now
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The Marbain blades (OEM on any scag mower) are the best i've ever used. they are lighter and stay sharper much much longer than regular blades.
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Old 07-26-2014, 06:18 PM
twomancrew twomancrew is online now
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Believe when I say I will be paying attention to them. How long has Scag been using them?
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Old 07-28-2014, 08:13 AM
kawakx125 kawakx125 is online now
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I believe for quite some time, several years at a minimum, probably much longer than that.
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