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Jointer Knife Sharpening Angle

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Highfigh apr 08 2006 0655pm 3 i think youre going to have to use an angle guage or protractor for this. Jointer planer blade sharpener aluminum oxide knife hone 180 and 400 grit in wood holder with reversible sharpening stones kh 10ao 32 out of 5 stars 4 1899 18.

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It should work the same with this jig.

Jointer knife sharpening angle. I do this on my jointer about 4 times between taking them out and grinding. About 15 minutes will take care of 4 12 blades and there is some clearance on the top secondary bevel. I dont i nicked the knives need to repair and wanted to get the angle right.

The greater clearance angle on the back of the blade makes honing easier. I bought one of the jointer knife sharpening jigs from lee valley. With a good light magnifying visor and moving the outfeed back out of the way.

The steel is too hard and too much material had to be removed for the stone to make much of a difference within a reasonable amount of time spent sharpening. Sharpening jointer knives on the machine. Once this sharpening angle is established itll take less time on subsequent sharpening sessions to get the edge back.

I expect this will prove to be a very useful addition to my shop doubly so when i have jointer knives to sharpen as well. Hand sharpening jointer knives i have in the past tried resharpening jointer knives on a stone by hand but without much luck. I bought some freud replacement blades some time a go and they are sharpened at 45.

My dc 380 planer and dj 20 jointer were both delivered with hss blades sharpened at a 30 angle. How to sharpen jointer blades. One good reason to sharpen a finer angle would be if you do any honing of the knives while they are in the head.

The stone does not remove much material from the overall knife so always try to focus on the edges of the blade to remove the excess material to sharpen the cutting edge. The first time i used it i was surprised how fast the knives sharpened. I just sharpen until there is no shine on any knife.

I can move my outfeed bed back out of the way. It really goes along much faster than you would expect. The very first step is to decide the angle where exactly you want to sharpen the blade.

I use sandpaper on a granite surface plate.

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