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sharpening jointer blades

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Forum topic by Holbs posted 06-05-2014 01:17 AM 867 views 0 times favorited 0 replies Add to Favorites Watch
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Holbs

1377 posts in 1494 days


06-05-2014 01:17 AM

for the longest time, i never checked the height across my blades and always wondered why i was getting cupped and odd results on my rockwell 6” jointer. i thought it was my technique. so, i took out my dial indicator and magnifying glass. whooa… the indicator said +- 0.0030 across all 3 blades. and the blade positioning was all out of whack as well. the blades were not even higher than the outfeed table at the first 3”, but did pop up 0.015 above the other 3”. oh boy. i know one day, i’ll have to make a planer / jointer blade jig. but for now, i took the 3 blades to the local saw shop. $20 to grind out the knicks with a 40degree bevel for all 3 blades. not too shabby. while there, i also had the choice between Freud or CMT HSS blades ($20 and $25). The Freuds looked to be 1/16” higher than the CMT’s. So i choose the CMT for a test fit and will do that test soon.

I thought I did the 1/8” forward movement on the jointer blades last year. Guess they moved. Either way, I was glad for the LJ community and jointer / planer blade sharpening topics that gave me the idea to move forward instead of just sitting and scratching my head of what to do. I want a T7 Tormek now :)

-- Yes, my profile picture is of a Carpenter Bee! The name is derived from the Ancient Greek "wood-cutter"


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