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Blade Angle

 

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when sharping chain Saw Blade do you use top plate angle or fileing angle ?

i have a elc. sharpner it goes from 0 to 35 degree the top plate angel is 30 for my chain and 90 degree for my fileing angle whitch one do i sharpen it at

You should probably use the 30 degree. Filing a Chain Saw chain can be tricky, but a few rules of thumb that I learned "way back when"....make sure you keep all your teeth filed with the same angle. A slight variation, especially side-to-side, will cause the saw to make a curved cut in the wood....dulling one side of your chain will do the same thing. If you're cutting hard wood, an angle of around 30 degrees seemed to work best....on soft wood, a sharper angle, 35 degrees or so, would cut faster. Basically, the sharper the angle (to a point) the faster it will cut. If the top of your teeth are getting discolored or have residue built up on them, file your rakers down a little. A few strokes with a flat file will do the trick. If you're cutting hard wood, be careful not to remove too much material from the rakers, or your chain will grab into the wood too hard, or chatter. Also, when filing the teeth, tip your file handle (or your electric sharpener) down slightly. I worked as a logger in northern Michigan for a number of years, mostly running a chain saw.

Antique Caterpillar bulldozer angle blade


 

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