Tough, high quality and high precision cutting; this describes Kadur’s planer knives and blades for working with wood. This makes for little dents on the wood that will eventually spring back as little bumps when the wood takes in more moisture. When I do run end-grain through my planer I make sure to stand beside it. I set the cutting heads to the same height as the board for the initial pass, then make very fine adjustments to bring them down. You may spend a lot of time looking through obsolete Manuals but a two-blade portable planer is a bit uncommon plus you have a manuf. I just made an end grain cutting board and ran it thru my dewalt lunchbox planer with no problems,….but i’ll never do that again. Our quality specialist perfectly tests the razor knives to deliver smooth range.
I figure if the shop could do paper knives, which need to be extremely sharp, then the job they did on my knives would be equal. Re-sharpenable blades may be cheaper than a new set of disposables but they have to be reground to obtain a fresh edge, must be reset each time to account for loss of width by the grinding process, and there is a longer, more involved, changeover period. Second, thickness planers are intended to be used when one side of the wood is flat, (most end grain cutting boards are not after the second glue-up). Carbide knives offer the hardest metal available and more than 1,000% longer run than M2-HSS.
Once the blades are ground an honed to produce a keen cutting edge, they are treated with a special rust preventative solution for lasting serviceability. When a planer is producing long, clean shavings and little dust, chances are good that the machine is well tuned. I used to hollow grind all the knives I sharpened.Three years ago I got a new grinder and began flat grinding customers have not noticed any difference in the performance of their knives.stephen thomas brings up a good point about sets of four long knives.
Some of the articles I have read from some of the big name” woodworking magazines recommend wetting the wood before planing of you have to plane a piece of burl or highly figured wood where you have varying grain direction. TCT integral HC5 planer knives ( Hard metal sintered Tungsten carbide); these are very suitable for working wood and semi-hard (especially exotic), pressed wood, hard tissues and all laminates.
After reading all your posts and having the same problem to fix, I have decided against the planer and opted to fix my end grain cutting board by use of a router and a sled! If the wood stops feeding altogether it may be that you are taking too heavy a cut or the board is slightly tapered and has jammed. If my new grinder was capable of hollow grinding I would be be hollow yes I can definately tell if a blade is hollow ground or not.I have customers that plane thousands of board feet and have two or more sets of knives for their planers. I did this with cutting boards many times without incident on my Delta lunchbox planer.
Obviously, the traveling head jointer grinder does a hollow grind, and I prefer it because I can then sharpen the knives in the head by hand stones for a year or 2 between re-grinds. I have made exactly one end grain cutting board, and I ran it through my Craftsman planer at 1/128″ passes, but it was more than hair-raising whenever it would catch and start to rotate. I own a ridgid jointer, and like all tools blades tend to dull….and this product is no exception. HLS 13% Cr planer knives ( chrome alloy steel): these blades are suitable for working with planning softwoods. And since adopting this process, I’ve had zero major issues, and only one issue where the knives left a bite.