The Forestry Forum is sponsored in part by:

TURBOSAWMILL GIANT SALE ON NOW UNTIL OCTOBER 31st


Forestry Forum
Sponsored by:


TimberKing Sawmills



Toll Free 1-800-582-0470

LogRite Tools



Norwood Industries Inc.


Sawmill & Woodlot Magazine



Your source for Portable Sawmills, Edgers, Resaws, Sharpeners, Setters, Bandsaw Blades and Sawmill Parts

EZ Boardwalk Sawmills. More Saw For Less Money!

STIHLDealers.com sponsored by Northeast STIHL


Woodland Sawmills

Peterson Swingmills

 KASCO SharpTech WoodMaxx Blades

Turbosawmill

Sawmill Exchange

BRUTE FORCE Authorized Dealer

Woodshax Outdoor Vending Solutions

FARMA


Council Tool

Baker Products

ECHO-Bearcat



Author Topic: Woodmizer LT35HD inconsistent thickness end to end  (Read 2039 times)

0 Members and 1 Guest are viewing this topic.

Offline bhraymer

  • member
  • *
  • Posts: 2
  • I'm new!
    • Share Post
Woodmizer LT35HD inconsistent thickness end to end
« on: October 08, 2018, 08:22:13 PM »
I've properly aligned all bunk/bed heights on my Woodmizer LT35HD several times ensuring the blade is the exact same height from each bunk at the far left, middle, and far right of the blade. 99% of my milling is live-edge slabs and the mill cuts just fine on all but 1 slab from every log. Starting on a log, say I cut 4 slabs and then rotate 180deg and finish slabbing the log. The very last slab (on the bottom) that is against the bunks will always be 1/4-3/4" thicker on the front end opposed to the back end. And when I slab longer logs that touch all 4 main bunks, after flipping the log 180deg to finish it there's always 2 bunks that the cant sits flush against and 2 that it sits 1/4" above.

This happens with every log, green/dry/hard/soft. Woodmizer tells me it's potentially stress in the log which I don't buy since it's every single log I slab and almost always the exact same results. They also said make sure your outriggers are secure (which they are). This has been happening since I got the mill brand new and I currently have 110hrs on it. Thought I'd seek some experienced wisdom on here before contacting Woodmizer again...any guidance is very much appreciated.

Offline Magicman

  • Senior Member x2
  • *****
  • Posts: 36436
  • Age: 75
  • Location: Brookhaven, MS
  • Gender: Male
  • A "Traveling Man"
    • Share Post
    • Knothole Sawmill
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #1 on: October 08, 2018, 08:55:52 PM »
Actually you answered your own question.  You verified that the blade was the exact same distance from each bed rail (bunk) left and right as well as end to end.  The bed height does not change nor does the blade height change as you are sawing.

That leaves; the sawmill is not properly supported by the outriggers, the log is not properly supported by all of the bed rails all of the way from end to end of the log all of the time, or log stress is dealing you misery as slabs are removed.  There is no reason to doubt what Wood-Mizer told you about stress.
Knothole Sawmill, LLC     '98 Wood-Mizer LT40SuperHydraulic   WM Million BF Club Member   WM Pro Sawyer Network

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

Offline SawyerTed

  • Senior Member
  • ****
  • Posts: 546
  • Age: 56
  • Location: Germanton, NC
  • Gender: Male
  • Summey Lumber Services, LLC
    • Share Post
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #2 on: October 08, 2018, 09:46:59 PM »
Have you set the mill up level on a hard surface ensuring all outriggers are carrying a portion of the mill weight?  If not then you should and check alignment of the blade to the bunks. 

My mill has similar hours and has not required adjustments to the bunks. The majority of errors has been related to outrigger deployment or operator error (toe boards deployed improperly.
Woodmizer LT35HD25, Kubota MX5100, IH McCormick Farmall 140, Granberg Alaskan Chainsaw Mill, Husqvarna 372XP, Husqvarna 455 Rancher

Offline Southside logger

  • Senior Member x2
  • *****
  • Posts: 2865
  • Age: 46
  • Location: Wilsons (Dinwiddie County), VA
  • Gender: Male
  • Have a plan to saw every log you meet.
    • Share Post
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #3 on: October 08, 2018, 10:57:46 PM »
I have to look it up in my book to get the exact answer but your band is not supposed to be the same height on the drive side as on the idle side, IIRC it is supposed to be 1/16" higher on the idle side as that side of the head is drawn down into the lumber when sawing.  

As SawyerTed and Magicman said improper weight distribution on your out riggers will cause exactly what you describe.  If you are sawing on soft ground it's very likely that the surface has compacted and your outriggers are not supporting the same weight as they were when you first set them down.  

It can be frustrating to have these things happening with a new mill, but the 35 is a work horse and once you really understand it will work wonders for you.  

Welcome to the Forum
Franklin buncher and skidder
JD Processor
Woodmizer LT35 sawmill, KD250 kiln, BMS 250 sharpener and setter
Riehl Edger
Woodmaster 725 and 4000 planner and moulder
Enough cows to ensure there is no spare time.

Offline Crossroads

  • Senior Member
  • ****
  • Posts: 640
  • Age: 48
  • Location: Plummer Idaho
  • Gender: Male
  • lets make some sawdust
    • Share Post
    • Kevin Bales faith family farm and portable sawmill
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #4 on: October 09, 2018, 12:28:12 AM »
I carry a dozen or so 3/4x6x6 pieces of plywood to try to even out the outriggers.  my mill has some preload and I have to put a little extra pressure on both ends to take the arch out. With the head all the way to the front/hitch end, I look down the top rail to see if its flat or arched. 
2017 LT40 wide, Kubota l185dt, 2-036 stihl, 2001 Dodge 3500 5.9 Cummins

Offline terrifictimbersllc

  • Senior Member x2
  • *****
  • Posts: 4097
  • Age: 64
  • Location: Mystic, CT
  • Gender: Male
    • Share Post
    • Terrific Timbers LLC
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #5 on: October 09, 2018, 01:58:18 AM »
Exactly
DJ Hoover, Terrific Timbers LLC,  Mystic CT   2001 WM LT40SHDD (42HP Kubota, Accuset2, FAO's, Lubemizer, debarker, hydraulics everywhere), Peterson WPF 10-30 with chain slabber. Logrite fetching arch, WM BMS250 sharpener/BMT250 setter.

Offline ladylake

  • Senior Member x2
  • *****
  • Posts: 4838
  • Age: 66
  • Location: grey eagle mn
  • Gender: Male
  • I need to edit my profile!
    • Share Post
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #6 on: October 09, 2018, 05:30:24 AM »
 
 The easy way to check if its stress or mill setup is to put a long 1" board on the mill and take about 1/4" off the top edge, then turn it over and take another 1/4" off.  It will have no stress and should measure the same from one end to the other, if its the same your mill is set up fine and your just having trouble with stressed logs. Steve
Timberking B20 12000 hours +  Case75xt grapple + forks+8" snow bucket + dirt bucket   770 Oliver   Lots(too many) of chainsaws, Like the Echo saws and the Stihl and Husky     W5  Case loader   1  trailers  Wright sharpener     Dino setter Volvo MCT125c skid loader

Offline Poweredward

  • member
  • *
  • Posts: 3
  • Age: 29
  • Location: Ship Harbour NS, Canada
  • Gender: Male
  • I'm new!
    • Share Post
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #7 on: October 09, 2018, 05:44:29 AM »
I had the same issue on a new LT35HD as well, turned out I was putting to much weight on the 4 outside outriggers.  I now just drop them and shim them, my woodmizer rep told me they are just so the mill doesnt tip over they should not hold any weight.   This solved that problem for me .
2016 Woodmizer LT35HD, 2015 CASE Farmall 75C, FARMA T8-C63D, 1989 CASE IH 685 FARMI JL501

Offline Peter Drouin

  • Senior Member x2
  • *****
  • Posts: 8688
  • Location: New Hampshire
  • Gender: Male
    • Share Post
    • A&P Saw mill LLC
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #8 on: October 09, 2018, 06:16:40 AM »
Your cutting to close to the pith before you turn the thing.

Offline millwright

  • Senior Member
  • ****
  • Posts: 454
  • Age: 65
  • Location: northern Wisconsin
    • Share Post
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #9 on: October 09, 2018, 08:14:04 AM »
I had the same problem with my lt35, it was hard to get frame level when I had a large log on.  I replaced the jacks with faos. It not only solved the problem, but it made a huge improvement on setup time.

Offline Stephen1

  • Senior Member x2
  • *****
  • Posts: 1226
  • Age: 62
  • Location: Kilworthy ON> Canada
  • Gender: Male
  • Where there is a will, there is a way!
    • Share Post
    • muskoka Sawmill
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #10 on: October 09, 2018, 08:23:52 AM »
Your cutting to close to the pith before you turn the thing.
Try turning when you get to the height of the back stops. 
I only lift each end of the mill to a height where the inboard legs click into place.
Make sure the ends of the log/slabs are over a support. 
LT40HD, 742b Bobcat, Sthil v170,038, 461. 1952 TEA Fergusan Tractor

Offline Magicman

  • Senior Member x2
  • *****
  • Posts: 36436
  • Age: 75
  • Location: Brookhaven, MS
  • Gender: Male
  • A "Traveling Man"
    • Share Post
    • Knothole Sawmill
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #11 on: October 09, 2018, 08:31:41 AM »
Yes Southside logger, 1/16" higher on the idle side but I assumed that surely he had gotten that from his Operator's Manual detailing adjustments and alignments.  "End to end" is the OP's problem and it is a "setup" problem, not a sawmill problem.

As a note, there is no indication that this was done but: no one should ever, ever, chase problems by adjusting the bed rail heights.
Knothole Sawmill, LLC     '98 Wood-Mizer LT40SuperHydraulic   WM Million BF Club Member   WM Pro Sawyer Network

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

Offline Deere80

  • Full Member x2
  • ***
  • Posts: 111
  • Age: 41
  • Location: Mandan North Dakota
  • Gender: Male
    • Share Post
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #12 on: October 09, 2018, 11:58:45 AM »
I also went thru this with my 35 hydraulic when I got it, and it came down to that I did not have enough pressure on the two end outriggers.  I thought I had a lot on them but had to dang near have the tires off the ground.
Wood-Mizer LT35HD

Offline SawyerTed

  • Senior Member
  • ****
  • Posts: 546
  • Age: 56
  • Location: Germanton, NC
  • Gender: Male
  • Summey Lumber Services, LLC
    • Share Post
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #13 on: October 09, 2018, 02:21:42 PM »
bhraymer, don't be discouraged, you can see many of us will admit we have had the same problem.  I use a variety of blocking under my outriggers so I can get proper weight on them without settling.  Some 3/4 plywood, some 4/4 and 8/8 oak boards and some 4x6 all go with me on mobile jobs.  I have had to reset the mill after a large log gets loaded.

Woodmizer LT35HD25, Kubota MX5100, IH McCormick Farmall 140, Granberg Alaskan Chainsaw Mill, Husqvarna 372XP, Husqvarna 455 Rancher

Offline Deere80

  • Full Member x2
  • ***
  • Posts: 111
  • Age: 41
  • Location: Mandan North Dakota
  • Gender: Male
    • Share Post
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #14 on: October 09, 2018, 02:37:21 PM »
Is it a bad thing if the tires are not in contact with the ground? 
Wood-Mizer LT35HD

Offline terrifictimbersllc

  • Senior Member x2
  • *****
  • Posts: 4097
  • Age: 64
  • Location: Mystic, CT
  • Gender: Male
    • Share Post
    • Terrific Timbers LLC
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #15 on: October 09, 2018, 02:56:12 PM »
Not specifically with regards to getting the mill bed straight for purposes of sawing lumber the same thickness at each end that's being discussed here. Idea is to transfer most of the weight to the jack supports which are firm whereas the springs are not. Tires off the ground would not hinder setting the mill up straight.  But if the tires are off the ground there is another problem, your mill becomes narrower and more tippy which matters under certain conditions such as if rolling a big log from one side to the other or maybe while having the head up high on the masts.  So if a tire is off the ground put  boards under it so that the mill is supported with the extra width that the tires afford,  should rolling a big log on it or having the head way up would want to make it tip.

ps. also review what is said about setting up the mill in the manual.  I think pressure off the springs is mentioned in mine.  Also I know with mine if I don't have the jacks high enough to let some pressure off the springs, the feed motor will rub the tire and cause some problem in cutting 1" boards.
DJ Hoover, Terrific Timbers LLC,  Mystic CT   2001 WM LT40SHDD (42HP Kubota, Accuset2, FAO's, Lubemizer, debarker, hydraulics everywhere), Peterson WPF 10-30 with chain slabber. Logrite fetching arch, WM BMS250 sharpener/BMT250 setter.

Offline Lawg Dawg

  • Senior Member
  • ****
  • Posts: 529
  • Age: 41
  • Location: Jefferson, SC
  • Gender: Male
  • True South Sawmill Lumber
    • Share Post
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #16 on: October 09, 2018, 03:09:38 PM »
They told me when I picked my mill up...you will probably never, ever have to adjust the bed rails...ever!  :D so I don't even look at them!  :D
2018  LT 40 Wide 999cc
John Deere 4000, Husky 268, 394xp, Shindiawa 591, 2 Railroad jacks, and a comealong.  100 acres of mostly trees!

True South Sawmill Lumber,  located  approximately 45 miles south of Charlotte, NC

100,000 bf club member
Pro Sawyer Network

Offline terrifictimbersllc

  • Senior Member x2
  • *****
  • Posts: 4097
  • Age: 64
  • Location: Mystic, CT
  • Gender: Male
    • Share Post
    • Terrific Timbers LLC
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #17 on: October 09, 2018, 03:14:42 PM »
I've done the full alignment procedure on my Lt40 almost yearly for 12 years now.  Checking bed rail adjustments is part of this.  I don't think I've ever adjusted a bed rail more than 1/16 and usually only 1/32 , if at all, in that time. 

That's sawing usually 100-150MBF yearly with a lot of thumping of big logs and big cants on those bed rails. 
DJ Hoover, Terrific Timbers LLC,  Mystic CT   2001 WM LT40SHDD (42HP Kubota, Accuset2, FAO's, Lubemizer, debarker, hydraulics everywhere), Peterson WPF 10-30 with chain slabber. Logrite fetching arch, WM BMS250 sharpener/BMT250 setter.

Offline OffGrid973

  • Senior Member
  • ****
  • Posts: 406
  • Age: 40
  • Location: New Jersey
  • Gender: Male
  • Off Grid
    • Share Post
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #18 on: October 09, 2018, 03:20:55 PM »
Make a quick video on iPhone cutting your last straight slab then the one when issues start.  We can critique that much easier and avoid guessing.

Call in a favor if needed from a techy friend if taking the video and posting to youtube is too difficult.
Your Fellow Woodworker,
- Off Grid

Offline terrifictimbersllc

  • Senior Member x2
  • *****
  • Posts: 4097
  • Age: 64
  • Location: Mystic, CT
  • Gender: Male
    • Share Post
    • Terrific Timbers LLC
Re: Woodmizer LT35HD inconsistent thickness end to end
« Reply #19 on: October 09, 2018, 03:25:53 PM »

 The easy way to check if its stress or mill setup is to put a long 1" board on the mill and take about 1/4" off the top edge, then turn it over and take another 1/4" off.  It will have no stress and should measure the same from one end to the other, if its the same your mill is set up fine and your just having trouble with stressed logs. Steve
Steve do you mean stand the board on edge like you were edging it?
DJ Hoover, Terrific Timbers LLC,  Mystic CT   2001 WM LT40SHDD (42HP Kubota, Accuset2, FAO's, Lubemizer, debarker, hydraulics everywhere), Peterson WPF 10-30 with chain slabber. Logrite fetching arch, WM BMS250 sharpener/BMT250 setter.


Share via delicious Share via digg Share via facebook Share via linkedin Share via pinterest Share via reddit Share via stumble Share via tumblr Share via twitter

xx
Woodmizer LT35hd

Started by MReinemann on Sawmills and Milling

10 Replies
3010 Views
Last post September 05, 2012, 05:58:24 PM
by MReinemann
xx
woodmizer LT40HD vs. LT35HD

Started by mjancius on Sawmills and Milling

25 Replies
2947 Views
Last post April 30, 2015, 12:29:40 PM
by isawlogs
xx
Woodmizer LT35HD Pulley

Started by Rhodemont on Sawmills and Milling

5 Replies
541 Views
Last post January 15, 2018, 03:24:05 PM
by millwright
xx
Board thickness with woodmizer lt-40

Started by Peder McElroy on Sawmills and Milling

63 Replies
11076 Views
Last post February 18, 2016, 07:58:48 AM
by Seaman
 


Powered by EzPortal