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Author Topic: Vintage setter  (Read 1803 times)

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Offline JoshNZ

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Re: Vintage setter
« Reply #20 on: September 25, 2021, 04:18:10 AM »
I am getting quicker with the setter I'd say I can get around a band in one direction quicker than the sharpener now.

Have to say, it feels like I'm doing nothing, which isn't helpful.

I've done a bunch of bands tonight at different sets so will do a bit of learning tomorrow.

I had one thought, rather than desetting and then setting, could you invert your set? Leave the straight ones alone and push the set right across (turn inside teeth outwards and vice versa). Would remove any chance of there being a tooth lying outside of the set range (though after some time at this I think it's easy enough to spot those). Or would it fatigue the tooth too much?



 

Offline Chuck White

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Re: Vintage setter
« Reply #21 on: September 25, 2021, 08:08:32 AM »
In a word, NO, because that's to much stress on the structure of the tooth and it will snap off prematurely!

When running a band through the desetter (similar to mine), the process doesn't remove all of the set, it leaves .010-.012 of the set!

The amount of set left in the blade depends on how close the two rollers are to each other!
~Chuck~
Retired USAF 1989, Retired School Bus Driver 2012, now semi-retired Mobile Sawyer, 2018 Silverado 4X4
1995 Wood-Mizer LT40HDG25 Kohler - Cooks Cat Claw Sharpener and single-tooth setter, 4-foot Logrite cant hook.
Basic mechanical skills are all that's required to maintain a Wood-Mizer

Offline JoshNZ

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Re: Vintage setter
« Reply #22 on: September 25, 2021, 04:32:12 PM »
I suspected that might be the case.

I placed those bearings with a 1.1mm gap which is about the thickness of the band but it just doesn't seem to do much to the set. It's a snug fit on the band it couldn't be much closer together

I think a better idea would be to turn rollers for the bearings, the left roller just a bit shorter than the gullet and the right roller taller than the band, with a bit of a step out at tooth height. Enough step out that it pushes the tooth further but not so much that it pushes the neutral teeth past their yeilding point.

Offline RAYAR

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Re: Vintage setter
« Reply #23 on: September 26, 2021, 03:30:27 PM »
I'd say with de-setting the blade, all you're really doing is to decrease the setting to less than what you will be re-setting the blade to.
mobile manual mill (local build) (mods & additions on-going)
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Offline JoshNZ

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Re: Vintage setter
« Reply #24 on: September 26, 2021, 03:58:53 PM »
Yeah I realise that. I measured a tooth that was set .05mm and I don't think it changed by dragging it through the 1.1mm bearings.

The set blades all went well yesterday anyway, nice consistent surface finishes. I over set one just for experiences sake. Even that went well, though noticeable more horsepower required and thicker kerf. Might've useful in pitchy softwoods?

Offline RAYAR

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Re: Vintage setter
« Reply #25 on: September 26, 2021, 06:08:54 PM »
The set blades all went well yesterday anyway, nice consistent surface finishes. I over set one just for experiences sake. Even that went well, though noticeable more horsepower required and thicker kerf. Might've useful in pitchy softwoods?
I would expect you can only go so far with more set to the point it will allow too much sawdust to fall behind and not get expelled from the kerf, but a little extra set should help in pitchy softwoods along with a lube solution to help avoid the pitch from adhering to the blade in the first place.
mobile manual mill (local build) (mods & additions on-going)
Shop built auto band sharpener
Husqvarna 50, 61, 254XP (and others)
96 Polaris Sportsman 500
2006 Ranger 4X2 w/cap, manual trans

Offline JoshNZ

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Re: Vintage setter
« Reply #26 on: September 26, 2021, 08:12:25 PM »
Would running less set in these big Blackwood logs I've been slabbing help at all? (See other thread about 4 bands/one log). Less horsepower required so able to achieve a higher feed rate. Less saw dust collected so gullet capacity might last the width of the cut better?

What problem arises as you run too little set?

Offline JoshNZ

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Re: Vintage setter
« Reply #27 on: October 08, 2021, 06:35:13 AM »
Thought I'd follow this up today, I got a decent sized log on the bed about 36" wide and tried 3 different blades, one I sharpened as per normal, the next I dug a deeper gullet into and the last one I overset, I didn't measure it but it was taking the Micky a bit, felt aggressive just handling it while coiled up.

That was the one that went well anyway, the first two I wasn't overly impressed with, got a bit of chatter and a slight wave at widest part. The last one although left excess sawdust, was dead flat and even a bit quicker. Which isn't what I expected.

I had a follow up question re my first two blades, is this a sign of an under set blade? Photo below.



 

Offline RAYAR

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Re: Vintage setter
« Reply #28 on: October 08, 2021, 01:51:02 PM »
Thought I'd follow this up today, I got a decent sized log on the bed about 36" wide and tried 3 different blades, one I sharpened as per normal, the next I dug a deeper gullet into and the last one I overset, I didn't measure it but it was taking the Micky a bit, felt aggressive just handling it while coiled up.

That was the one that went well anyway, the first two I wasn't overly impressed with, got a bit of chatter and a slight wave at widest part. The last one although left excess sawdust, was dead flat and even a bit quicker. Which isn't what I expected.
Looks like more set for that type of wood (softwood?) and large diameter log works quite well. I would say the extra kerf is allowing the blade to run truer without being deflected by sawdust build-up in the long kerf. The blade has the room it needs to run a flat cut. Just wondering about how much more set you put into that band, about how much wider is the kerf?

(edit: went back and read the thread you mentioned, seems like it's an abrasive hardwood.)
mobile manual mill (local build) (mods & additions on-going)
Shop built auto band sharpener
Husqvarna 50, 61, 254XP (and others)
96 Polaris Sportsman 500
2006 Ranger 4X2 w/cap, manual trans

Offline JoshNZ

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Re: Vintage setter
« Reply #29 on: October 08, 2021, 03:40:25 PM »
Probably over .03", enough that my eye could see the difference and hands could definitely feel it just holding it coiled up. Can also see the kerf is wider with naked eye. I'll find the blade and measure it.

Softwood this one yup but it did show similar signs as the big hardwood I sawed. Looking forward to playing around with this some more.

What's the max set you can run before you run into a problem, and what is that problem? That photo with the fuzzed up teeth makes me think they've been fouled up in the cut and rubbing.

Offline RAYAR

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Re: Vintage setter
« Reply #30 on: October 09, 2021, 12:59:47 AM »
Probably over .03", enough that my eye could see the difference and hands could definitely feel it just holding it coiled up. Can also see the kerf is wider with naked eye. I'll find the blade and measure it.

Softwood this one yup but it did show similar signs as the big hardwood I sawed. Looking forward to playing around with this some more.

What's the max set you can run before you run into a problem, and what is that problem? That photo with the fuzzed up teeth makes me think they've been fouled up in the cut and rubbing.
I don't know myself yet as to max set, but I can see where the extra set you're trying is giving you flatter cuts because the wider kerf is allowing the blade to not be deflected by more limited clearance of build-up around the blade, especially in a wide cut. Yes, it will take a little more power to cut a wider kerf, but the outcome is likely worth it. Is it just the very large logs you're having flatness of cut with or is the factory set fine on your smaller logs? It would also depend on species of tree you're cutting too.
mobile manual mill (local build) (mods & additions on-going)
Shop built auto band sharpener
Husqvarna 50, 61, 254XP (and others)
96 Polaris Sportsman 500
2006 Ranger 4X2 w/cap, manual trans

Offline JoshNZ

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Re: Vintage setter
« Reply #31 on: October 09, 2021, 02:30:39 AM »
I went to .035" on a band today, that went quite well too, maybe my experimental one was a little more than that again. It doesn't seem to matter what set I use on smaller logs, they all go pretty good as long as it's sharp.

Only thing I notice is engine working a bit harder and more sawdust left behind. That will certainly be the plain of attack going forward with these wide logs I'm slabbing.

Offline JoshNZ

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Re: Vintage setter
« Reply #32 on: October 16, 2021, 04:06:53 AM »
What's the max set you can run before you run into a problem, and what is that problem? That photo with the fuzzed up teeth makes me think they've been fouled up in the cut and rubbing.
I can go ahead and answer my own question, for any future juniors like myself wondering about the same question.
I found a band set to almost .040" today, I think it was partly experimenting and partly by accident.
Giant kerf and I could see sawdust still falling out the back of the kerf for a moment after the spine had dissappeared inside the log. Photos showing sawdust comparison.


 
And the surface finish sucks lol you might as well use a chainsaw


 
.025-.030" seems about as much as I get away with in the cypress.

Offline ljohnsaw

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Re: Vintage setter
« Reply #33 on: October 16, 2021, 12:28:03 PM »
Hmm, maybe, but that looks more like one tooth is set way to large.  Been there, done that with only .020 set.  People pay extra for rustic wood ;)
John Sawicky

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Offline JoshNZ

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Re: Vintage setter
« Reply #34 on: October 16, 2021, 03:06:34 PM »
I've sawn with a rogue tooth before too, my feed rate was higher than that and the stripes would be further apart. It's not even stripes up close it just looks like torn wood lol

Offline Stephen1

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Re: Vintage setter
« Reply #35 on: October 16, 2021, 05:56:11 PM »
Setting is so much more painful that sharpening! (in my view)
I cant wait to purchase an automatic unit  ;D

Cheers
Justin
I just used to buy more blades,rather than use the old single tooth setter and drag sharpener. 
The absolute best money I spent was the BMS 250 sharpener and setter. CBN 
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Offline JoshNZ

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Re: Vintage setter
« Reply #36 on: October 16, 2021, 06:31:38 PM »
I go through way too many blades cutting walnut to do that. No kerf clearer and dirty/hard wood.

I put this blade in the truck tray yesterday to send a message to the other blades about what happens when they don't do their job...  :D

Actually the first of this bunch I've had in circulation forever failed, finally. I spotted a crack in it before it let go.




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