Originally Posted by TREE-SURFER

I am 1 of 2 Saw Doctors on the Island. We sharpen chipper blades,for a modest price of 20quid a set. (Its a second income). Hollow ground and honed to a 'T'. Blades will last better when sharpened this way, rather than with what you have there a_lopa. The rotory file will generate too much heat and take out the temper from your blades. Do you have sharpening companies at all? Chipper blades are generally sharpened to a 25 degree hollow ground bevel and then a 35 degree hone brought back on the edge to about 1/8 of an inch. This gives a much better cut that will last for ages.