Knowing how to manipulate a grinder to do what you want regardless of it's quality goes a long way.
I think I'm faster at hand filing because I can actively correct for any errors in sharpening that I see without having to stop and tweak an adjustment knob, and I can file aggressively without...
They buy a new chain after sharpening it 2 or 3 times if any. You'd impress a lot of pros running a chain filed down anywhere near the guide marks and have it cut well, because they think it's time to throw away a chain at 2/3 to 1/2 life, probably because they never file the depth gauges, but...
My opinion as to why lower depth gauges seem to wear the groove open quickly is because thicker wood chips are being jammed through it. It is easy to think there's just oily metal on metal wear going on, but there's actually a lot of wood on metal action going on in the groove causing lots of...
I recently "restored" a chain I got from someone else: reground and dehardened the poorly hardened cutter, filed to the same length and sharp, then I used a depth gauge guide to even the mismatched DG's, but I couldn't reach them on the hardwood setting. So I filed them on the softwood setting...
Lack of oil stretches them quickly too as well as lots of kickback and brake engagement. I've seen some guys who have a habit of hitting the brake after every cut, but before the chain stops, and by the end of a tank of gas the chain is sagging off the bar.
Chains have been known to break...
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