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DIY planer blade sharpening revisitied:-)
In addition to the below post........I need to add that the fence is not the
tablesaw fence, but a peice of oak hardwood made straight with a jointer slightly oversized and sanded carefully to fit slot in table (with no play whatsoever). For my blades the angle of grind was about 40 degrees. I am not new to computers or newsgroups or woodworking..........but uploading pics to newsgroups? Yes I am afraid that is a new one on me. Windows XP makes it easy to resize for e-mail...but I really had to jump thru hoops to resize then send to a newsgroup. Only thing I could figure was to resize for e-mail, save to disk, then attach from there. One guy said right click to resize. I will try that next time. sorry if I wasted anyone's time. I have to start somewhere to learn this. :-( Lyndell I have a makeshift planer sharpening system that works for me. It involves and old shopsmith (m/n)10ER and a 5/8"x 1/2" grinding wheel arbor (wood craft) and a 120 grit aluminum oxide(white) grinding wheel (grainger) and a homemade planer blade jig 3/4 plywood). The 5/8 arbor mounts to the ss spindle and the stone goes on the the other end (1/2" threaded shaft). Set ss in upright drill press position and angle tablesaw table to planer blade angle. Build jig to hold blade firmly against table sawfence. The jig must be 1/32" less than blade thickness and cut-out to the exact length of blade. Set fence to contact grinding wheel and lock in place. Using saw table depth screw bring planer blade in slight contact with grinding wheel. Work planer blade slowly back and forth touching blade with barehand to ensure you are not overheating blade. When grinding wheel is making little contact with blade, make very small adjustments with table saw depth screw. Also lock depth of table after each adjustment. I devised this system out of necessity and it works. Future improvements will include a return system for the depth of saw table in vertical positon(gravity does it for you in normal position) and a 60 grit wheel to start with (and another arbor) and then finish with 120 grit. Good luck! E-mail if there are ?????? I will try to post pics @ ABPW . Be patient. If you have no patience send them out to be sharpened. I don't think you can sharpen a planer blade too slowly. This same setup should work on a drill press with tilt table. You can hone if you like after this process but with the 120 grit wheel I don't see the need for it. DO NOT USE A GREY GRINDING WHEEL . YOU WILL DESTROY YOUR PLANER BLADES. You will take the temper out of them and even a professional will tell you to throw them out. If you must know why I devised this system out of necessity: I borrowed my brother-in-law's planer for a known naily board planing job and hit several nails at the start. We had volunteer help standing around with hands in pockets while I designed, built and used this system. We were planing lumber the next morning and my BIL says: that planer never cut that good , even out of the box. That is when I knew I was at least on the right track. Lyndell There is nothing impossible if you are determined to do it. "Jakes452" wrote in message news:P3%6c.2391$Gg.1989@okepread03... I have HSS 12" planer blades and 6" jointer blades (Hitachi). Are these something I can sharpen myself? I was going to take to local sharpening but they are closed on weekends. I have stones and I looked for jigs or something meant to hold the blade properly and could only find a $250 sharpending motorized wheel w/jig). Any URL reference or opinion is appreciated. thank you |
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