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Author Topic: Woodmizer blade  (Read 3567 times)

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Online Crusarius

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Re: Woodmizer blade
« Reply #20 on: October 09, 2019, 03:32:52 PM »
Last time I was using turbo 7. Did good most of the way then I noticed the waves. Not sure if they were there before I noticed them. Probably.

Guess I will try 4 degree next.

Offline Bruno of NH

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Re: Woodmizer blade
« Reply #21 on: October 09, 2019, 03:36:57 PM »
The best for spruce is the 4°
Imo 
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Offline ladylake

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Re: Woodmizer blade
« Reply #22 on: October 10, 2019, 03:43:53 AM »


  Yes  4° , heavy set,  shallow gullet cuts spruce the straightest.  Steve
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Re: Woodmizer blade
« Reply #23 on: October 10, 2019, 07:05:32 AM »
hmm. may have to make my setter sooner than I thought. I was under the impression 10 degree was best for soft stuff.

Offline Bruno of NH

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Re: Woodmizer blade
« Reply #24 on: October 10, 2019, 07:15:36 AM »
10° 0nly work for me when there are few knots
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Re: Woodmizer blade
« Reply #25 on: October 10, 2019, 07:24:49 AM »
This lumber has been pretty clear but I am also cutting 20'. 

Offline Bruno of NH

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Re: Woodmizer blade
« Reply #26 on: October 10, 2019, 02:00:47 PM »
The tree service logs got me this week 3 turbo 7's sharpened 3 times.
Ordered some 747's .055 today to try
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Re: Woodmizer blade
« Reply #27 on: October 10, 2019, 05:16:07 PM »
I've been real happy with W/M 4 degree blades, 0.045 and 1-1/4.  Am milling red spruce right now, and as long as I change blades frequently, the best results I've had in my limited experience.

Dale
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Offline thecfarm

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Re: Woodmizer blade
« Reply #28 on: October 10, 2019, 08:35:17 PM »
I am only a hobby sawyer. I had a spruce on my mill with 10° blades. I had more waves than a ocean!! :o It all went onto the burn pile. I buried it with slabs so no one would see it. :D  I don't have much spruce. I will sell it for logs.
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Offline WV Sawmiller

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Re: Woodmizer blade
« Reply #29 on: October 10, 2019, 10:10:25 PM »
hmm. may have to make my setter sooner than I thought. I was under the impression 10 degree was best for soft stuff.
News flash grasshopper - Spruce knots ain't the soft stuff! :D I can cut soft or hard stuff with my 4 degree but I can't cut hard stuff with my 10's. When I use up my 10 & 7 degree blades in stock it will all be 4 degree bands for this hillbilly.

Howard Green
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Re: Woodmizer blade
« Reply #30 on: October 10, 2019, 11:04:00 PM »
I broke down and I rdered some 4 degree blades as well, my tech needed some 2x stuff for making a wind break to keep weather out of her  open front shed she keeps critters in.  I milled a ponderosa log for project I wasn't pleased  with the cuts . I used a new 10 degree band and I swear I could hold a better line with my chainsaw.  Two left out of that box, I  hope after I send them off to be sharpened  they cut better, I won't cut good stuff with them again for sure.  

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Re: Woodmizer blade
« Reply #31 on: October 11, 2019, 07:25:26 AM »
Last night I cut some more 20' 2x6's using the same turbo 7. I slowed my feed rate and it cut smooth as could be. Maybe I was just driving to fast. I been listening to everyone else say you need to go fast with turbo 7's. Apparently that is not the case with my mill. I do need to check the drive belt tension and probably tighten that. I really should add a spring tensioner. The last design did not work.

Offline Magicman

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Re: Woodmizer blade
« Reply #32 on: October 11, 2019, 08:28:14 AM »
I been listening to everyone else say you need to go fast with turbo 7's.
Fast is a relative term that can/does mean different speeds to each individual.  I have also read where you need to "push them hard".  How hard is "hard"?

Be aware of the species; knotty or clear, hard wood or soft, spiral grain or straight, etc.?

Listen to your sawmill; running full rpm's or lugging down, possible blade slipping on drive wheel, any buildup on the blade, blade sharp, blade running cool, need lube or not, etc. ?

Wavy lumber is not always the blade's fault.

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Never allow your "need" to make money to exceed your "desire" to provide quality service.....The Magicman

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Re: Woodmizer blade
« Reply #33 on: October 11, 2019, 08:35:58 AM »
Thanks magicman, I agree. I am still learning and trying to get a feel for this sawing thing. 

Everything you listed seemed ok. I think I was just feeding to fast. When I slowed down it cut great. I do think that the drive belt may be slipping a little. Just enough to cause issues. Time to work on a spring loaded idler pulley.

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Re: Woodmizer blade
« Reply #34 on: October 11, 2019, 08:52:42 AM »
On a side note, one of the reasons I didn’t really like the Turbo .055’s for my LT40 was they take a deep aggressive bite, and was causing me to retension my drive belt more frequently.  It would start slipping much more than even with standard 7’s, so I went from adjusting the main drive belt from once in a while to once a week or so.  So it was putting higher loads on my mill, and in I didn’t like that.  I stopped using them for that reason.

Conversely, on my LT70, tha hasn’t been a problem, and it loves the Turbo 7’s, at max power.  A little too fast a feed rate will result in engine RPM fade, but I can electronically govern my max feed rate with the soft buttons on the DCS so I can’t accidentally overload the motor.  

It will be interesting to see how these new bands do.  

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Offline Percy

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Re: Woodmizer blade
« Reply #35 on: October 11, 2019, 10:21:20 AM »
I just be happy if I could figure out how to cut spruce without waves.
When cutting spruce, which is most of my time, I run an obscene amount of set...especially in the bigguns...38-40 thou.It works for me...and the mill is less finicky when it comes to proper blade guide alignment...downside is more hp required or slower feed rate if you are down in the ponies.......
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Re: Woodmizer blade
« Reply #36 on: October 11, 2019, 10:39:32 AM »
I have 22hp. I have not noticed a power issue yet. I was cutting ash with the same turbo 7 blade last night and it cut beautifully.

I really think it is a feed speed issue more than anything at this point. I will continue to play and learn. One day I may start a lessons learned thread :)

Offline Bruno of NH

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Re: Woodmizer blade
« Reply #37 on: October 11, 2019, 11:14:53 AM »
Ash cuts great with a t7°
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Re: Woodmizer blade
« Reply #38 on: October 11, 2019, 12:38:28 PM »
I was happy. Except for the stress in the log.

Online Chuck White

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Re: Woodmizer blade
« Reply #39 on: October 12, 2019, 07:43:57 AM »
I'm not understanding why so many people have such a magnitude of issues with the 10° blades, it's all I use, 10° Double Hard!

On Wednesday and Thursday I sawed over 1,300 bf Yellow Birch and Black Cherry into 4/4X8X8 and & Friday I sawed over 1,200 bf of Spruce & Hemlock into mostly 1X(as wide as I can get)X12 with absolutely no issues.

About 80% of the Spruce went into 4/4X12X12 and most of the Hemlock went into 4/4 wide boards and some of it went into 2X.

I set and sharpen my own blades, I set them at .022-.025!
~Chuck~
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