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Author Topic: A new learning  (Read 576 times)

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Offline whittle1

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A new learning
« on: May 29, 2016, 09:48:02 AM »
Quarter sawing a large pin oak about 22" the first one beautiful quarter sawn lumber but it did seem like I  was
going slower and slower as I went. Started on the 2nd one about the same size and the saw was really struggling with a thru cut. Rolled the top cant off and the next board the saw was snaking real bad, put on a new blade and started with the 3rd cut about 19" across and saw carriage travel was extremely slow and completely stopped about 6" from the end of a 10' long log. Thinking it was a problem with the belt or motor on the carriage I tried to push the saw the rest of the way, OOPS blade came off. Now I'm looking at this big pile of pin oak and white oak logs and thinking I will never get these all cut up.
Thank goodness for Woodmizer Techs after a quick description of the problem he suggested I check the belt tension. Tensioned the belt and back to cutting like new. When rebuilding the saw I had originally set the belt tension using a gates belt tension gauge to 10lbs force for 7/16 deflection. It was still about the same which I guess was ok for the pine I had been cutting. Now I'm closer to 20Lbs which feels about right if not using a gauge and just tensioning by feel.

  

 

Offline WV Sawmiller

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Re: A new learning
« Reply #1 on: May 29, 2016, 10:04:40 AM »
Whittle1,

   Can you update your profile with your equipment details so we can see what kind of mill you are talking about. My mill specs call for 14 lbs at 7/16" deflection if I remember correctly. I check it regularly but fortunately have not had to adjust it yet.

    Thanks for posting.
Howard Green
WM LT35HDG25(2015) , 2009 4wd Dodge PU, Kawasaki 650 ATV, Sthil 440 & 441, homemade logging arch (w/custom built rear log dolly), JD 750 w/4' wide Bushhog brand FEL

Dad always said "You can shear a sheep a bunch of times but you can only skin him once"

Offline whittle1

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Re: A new learning
« Reply #2 on: May 29, 2016, 10:29:28 AM »
1994 LT40 the book calls for 7/16 deflection at 5lbs. I'm running a powerband and can only assume this was a measurement for 2 single belts. So 10 lbs should have been by the book.


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