Pro Planer Advice, Please

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stephen_a._draper
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Post by stephen_a._draper »

I recently changed out my planer blades on my Shopsmith Planer. I have two sets of knives. The set that I took off was originally a new set of blades. I noticed that the grind marks were perpendicular to the blade and rather rough. The last time I changed blades I sent the old set out to be sharpened so they are the set that I put on. I noticed that the grind marks on these are much finer and at an angle to the blades. They are much sharper and cut much smoother than a new set of Shopsmith blades. It also helps to make the sharpening jig shown in the owners manual and hone the blades while on the planer.
Shopsmith Mark 4, Mark 7, Mark 5 shorty, planer, bandsaw, jointer, belt sander. Grizzly central dust collection 4" PVC trunk. Shopsmith Routing System stand-alone overhead pin router.

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Author of Mark 4/7/520™ Self-Study Course ©2025
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dlbristol
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Post by dlbristol »

I don't know if anyone else has mentioned this, but there is a minimum width on the blades. Once they are sharpened to the point that that minimum is reached, they are not safe to be used. I can't get to my manual right now, so I can't tell you what it is, but you should check. That blade coming apart would not be a lot of fun.
Saw dust heals many wounds. RLTW
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JPG
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Post by JPG »

dlbristol wrote:I don't know if anyone else has mentioned this, but there is a minimum width on the blades. Once they are sharpened to the point that that minimum is reached, they are not safe to be used. I can't get to my manual right now, so I can't tell you what it is, but you should check. That blade coming apart would not be a lot of fun.


11/16"........
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Goldie(Bought New SN 377425)/4" jointer/6" beltsander/12" planer/stripsander/bandsaw/powerstation /Scroll saw/Jig saw /Craftsman 10" ras/Craftsman 6" thicknessplaner/ Dayton10"tablesaw(restoredfromneighborstrashpile)/ Mark VII restoration in 'progress'/ 10
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