Please help, blade sharpness issue

vendredi 21 mars 2014

I have an issue that seems to be a can of worms i never intended to open...... Most ppl in the industry talk about mouldboard position when discussing cutting, I would like to know your opinions on the actual cutting edge shape.



I operate cat 16(g+m) graders as well as cat 24(g+m) graders on a mine site in Canada and most of the time the cutting edge looks just like a "U" from operators rolling the MB back and forth "working the edges" (is the back edge really meant to cut??... does everybody chase their edges around like this?) It would seem to me that the edge was meant to be sharp, and would cut from the front, and maintaining sharpness is part of the skill.



What do you call sharp? can and do you work with a cutting edge that is +/- 90%...... seems to make more sense to me if the blade looks more like a triangle than a square.



any help is welcome, if you need more details just ask :)




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