Got Wood said:BigV said:I purchased this electric sharpener a year ago from Harbor Freight and it works great. Easy to set-up and use and the results are almost like using a brand new blade. It’s on sale right now for $39.00
Well you guys convinced me to give it a try. Ordered it yesterday for $29.99. Will report back once I get to use it.
xclimber said:Hand file, once you spend some time , you'll get an understanding of what needs to be done. Go to Harbor Freight and pick up a dial indicator, they're cheap there. Put one paint dot on top of a cutter, start measuring the length of the cutters as you go around and keeping bringing the dial caliper dial back to the zero mark as you keep finding a smaller cutter. Once around to the paint dot, you've now found the shortest cutter. Now rotate the dial face until you reading .005 above zero,if the cutters aren't bad. If the cutters are in rough shape I'll remove about .010. Now file each cutter until your back to reading zero on each one. That my friend gives you a nice cutting chain. I only do this about half way thru the cutters life. Other than that I just look at the hash mark on the cutter and eye them for equal length. Don't forget to do the rakers too after you even up all the cutters. You'll need a raker gauge and a flat file. After filing each raker I do one stroke on the nose of the raker to round off the leading edge, so it's not square. Hey, best of all, if the power goes out, and you got downed trees in a storm, you can still sharpen your chain Hand filing like this only removes very little material and you'll get a long service life from your chains. I found brand new chains out of the box with a difference of .010 between cutter lengths. I like to keep them within 0- .003 difference between cutter lengths.
pking said:I have the exact same HF one. It has already paid for itself several times. I just mounted it to a 2x4 block, and lock it in a bench vise when i sharpen chains. It is on the flexible side but with a little patience, it does a pretty good job.
Kenster said:I have the right tools to sharpen the chains of my cheapo Craftsman and my new Stihl 390. I've read lots of tutorials and watched many Youtube videos. I'm still reluctant to try my hand at sharpening, though. I am a real hands on, visual learner. I guess I need to find a neighbor who does his own chains that can show me the ropes.
AngusMac said:Well, you learn something new everyday and to be honest I never knew there was another method other than a sharpening kit.
When I m in the forests I sharpen the saw there, I mark the first link with a marker pen, then procede to sharpen using an independent roller guide and a 3/8 file.
Because I m cutting solid, dry elm, I need to sharpen after each fill of fuel, so in other words it takes approx 3 fills and 3 sharpenings, to fill a 3 tonne trailer.
I just run the file twice over each link, thats enough.
I can get many years out of one chain, I would guess about 90-120 tonnes of wood
fjord said:a friend Forester and logger showed me the Pferd tool. Super invention that works.
pile o’ wood said:Everyone always talks about marking the first one but on my chain there is 1 link thats like twice as long as all the rest so I always start there so I dont have to mark. Do I have a non-typical chain? It came with my saw.).
pile o’ wood said:For example, whats a 'raker'? And how do you know how much to file it?
fjord said:Thanks for at least one common sense user here on the value of sharpening by hand with a gauge--Pferd or others.
Nice explanation of what the raker does; it should be basic understanding before cutting for the first time.
Rakers are usually lowered to match the species being cut: softwood, hardwood, or chainsaw milling. The Pferd design averages the specification for both woods. It files the tooth and drops the raker
averaging out the raker for both kinds of wood. The "new and improved" Pferd now allows you to do both sides of the chain without changing both files. Google it.
Even with the enthusiam here for gadget tools like power sharpeners, the rakers still need attention; those power wheels will not do rakers in one blow like the Pferd. No need for power.
No need to remove the chain from the bar. No burning of temper. Ability to USE the chainsaw in woodlands distant from roads, workshop, or vehicle. Try it.
smokinjay said:You can cool grind a chain. Progressive depth filing the rakers is preferd way to do it. (hand filed for shape and depth)
Battenkiller said:smokinjay said:You can cool grind a chain. Progressive depth filing the rakers is preferd way to do it. (hand filed for shape and depth)
SJ, you are absolutely right. I used to grind tool steel nearly every day of my life, and I rarely screwed up and blued the steel and ruined it. Having freshly dressed wheels is a huge factor in cool grinding. Guys like yourself that have learned to do this correctly and are now taking in work can get pretty good at grinding. I know guys that will grind in two or three passes if the chain has bad chips that need to be removed, other shops might just have some new kid do your chain. Just like doctors, you eventually need to start training the new ones on real patients.
At the shop where I got my 420, one of the owners stuck a saw in the vice to hand-file for a special customer. You need to buy a lot of saws to get that kind of treatment. Any way you look at it, you either need to learn to grind cool, trust someone else to know how to do it, or learn to hand-file your own chains.
I've read the Carlton literature that describes in great detail exactly how your chain cuts and why you need to progressively lower your rakers. Makes perfect sense, but guys I trust say that if the cutters actually tipped up the way they describe, there would be a lot more wear at the bottom corners of the cutters and they just don't see this, even though that area isn't chrome hardened like the top plate is. For me, I won't worry about that until my cutter plates get short enough for that to matter.
In the meantime, using the Pferd guide is a vast improvement over my previous freehand attempts with just files. I'll never come close to getting enough experience with sharpening to freehand a chain, I need all the help I can get.
smokinjay said:To me the shape of the raker is more important then anything else....This really will show up in milling, but makes a very fast cross cut chain. less drag less friction faster chain.
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