55 seem to cut faster but dulled fast but filed faster but tended to break on my big saw
The next time I rock a chain out I will try 20 degrees
Because I use 20 to take damaged part of the point of the cutter off with less heat because I'm not cutting the full length of the top plate
Then I come back 30 with only just a kiss to the point of the cutter and the tail of the top plate is getting ground
Works great
As for grinders they are all good as the operators
And lighting is best friend
If it wasn't for the contract to sharpen the .404 205 DL I don't know what brand of grinder I would be using but I would have one
And CBN is a no brainer now
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