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Author Topic: Information for B-20 Owners  (Read 4441 times)

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Offline Tom the Sawyer

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Information for B-20 Owners
« on: March 06, 2014, 11:50:12 AM »
Important information for B-20 owners.  I am testing out a new product for B-20s (it's nice to live so close to TK headquarters).  As mills age certain parts must be replaced and guide rollers are a critical component of the milling system.  Although the B-20 has been out of production for almost 5 years, TK decided to design an improved guide roller for the B-20s. 

Previous guide rollers had sealed bearings and you would have to drill a hole in them to try to extend the life of the bearings.  These new guide rollers have a grease fitting to make it easier to lubricate the bearings.  Instead of using a bolt as an axle, it is a machined axle with a grease fitting threaded into the end of the axle.  There is a bore through the axle which places the grease between the dual, heavy duty bearings.  They are a direct replacement for the existing guide rollers.  I'll be installing them this weekend, weather permitting, but I thought you would like to see what they looked like. 

 

  

 

 

This set is part of the design run, according to Matt they should be in stock within a couple of weeks.  I'll let you know how they work but they appear to be a significant design improvement.   smiley_thumbsup
07 Timberking B-20, Custom-made log arch, 20' trailer w/ log loading arch, F350 SD flatbed dump.  Princeton piggy-back forklift.  Bobcat S250, Stihl 025C 16" and a Husqvarna 372XP 24/30" bars, Grizzly 20" planer, Nyle L200M DH kiln.
If you call and my wife says "He's sawin logs", I ain't snorin'.

Offline redbeard

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Re: Information for B-20 Owners
« Reply #1 on: March 06, 2014, 11:55:58 AM »
Thanks Tom I will be switching to these as soon as available.
Whidbey Woodworks and Custom Milling  2019 Cooks AC 3662T High production band mill and a Hud-son 60 Diesel wide cut bandmill  JD 2240 50hp Tractor with 145 loader IR 1044 all terrain fork lift  Cooks sharp

Offline AnthonyW

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Re: Information for B-20 Owners
« Reply #2 on: March 06, 2014, 11:59:10 AM »
I'm not sure if I'm allowed to say this or not. But here it is anyway.

Wow those look just like the guides on my WM LT-25 that I just rebuilt. If I didn't see the posting say TK, I would have assumed they were for a WM.

Has anyone with a B-20 seen the guides from a WM. Are they cross compatible?
'97 Wood-Mizer LT25 All Manual with 15HP Kohler

Offline Dave Shepard

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Re: Information for B-20 Owners
« Reply #3 on: March 06, 2014, 12:09:06 PM »
Any WM guides I have seen have a solid bar on the back that get clamped by the adjusting bolts. No thread on the back like the TK.
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Offline AnthonyW

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Re: Information for B-20 Owners
« Reply #4 on: March 06, 2014, 12:46:22 PM »
Any WM guides I have seen have a solid bar on the back that get clamped by the adjusting bolts. No thread on the back like the TK.

You're right. The threaded part though the guide, terminates in a piece of 1/2" square stock in the back. The two nuts behind the guide are on a separate piece of threaded rod.
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Offline sawwood

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Re: Information for B-20 Owners
« Reply #5 on: March 06, 2014, 12:58:53 PM »
Tom looking at the bearing the inside must not have a shield on them, They sure do look like the Cooks
rollers and i would like to have that type on our Norwood mill.

Sawwood
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Offline thecfarm

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Re: Information for B-20 Owners
« Reply #6 on: March 06, 2014, 03:19:44 PM »
I betcha they would fit my Thomas. I just replaced one last summer.
Model 6020-20hp Manual Thomas bandsaw,TC40A 4wd 40 hp New Holland tractor, 450 Norse Winch, Heatmor 400 OWB,YCC 1978-79

Offline red oaks lumber

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Re: Information for B-20 Owners
« Reply #7 on: March 06, 2014, 06:04:21 PM »
its about time. back in 2000 i was telling tk to make some simple changes to that excact part. to no avail. :(
the experts think i do things wrong
 over 18 million b.f. processed and 7341 happy customers i disagree

Offline redbeard

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Re: Information for B-20 Owners
« Reply #8 on: March 06, 2014, 06:36:24 PM »

Has anyone with a B-20 seen the guides from a WM. Are they cross compatible? The rollers are bigger i think 3" dia.  On the B-20. They can really be dialed in they have 4 way adjustments once you get them plumb they stay that way.
Whidbey Woodworks and Custom Milling  2019 Cooks AC 3662T High production band mill and a Hud-son 60 Diesel wide cut bandmill  JD 2240 50hp Tractor with 145 loader IR 1044 all terrain fork lift  Cooks sharp

Offline reswire

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Re: Information for B-20 Owners
« Reply #9 on: March 06, 2014, 06:49:07 PM »
TK sent me some new guides for my 1600 a couple of months ago.  They were excellent, and so far have stayed put and milled well.  The old guides were a real pain in the erse.   :D
LT 40HDG 35, JD 5205, some Stihl saws, 15 goats, 10 chickens, 3 Chessies and a Weiner dog...

Offline jclvsall

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Re: Information for B-20 Owners
« Reply #10 on: March 06, 2014, 10:53:49 PM »
I have cooks greasable 3" rollers on my b20.  I am happy with them so far.  I actually had them turned a month or so ago.  They were starting to wear.

I may have to try these out.  Did they mention a target price for them?

I would love to see TK make a retrofit upgrade for the drive side roller assembly on the b20.  That bar hanging down just doesn't stay put with a good bump.  Cutting ERC is a real pain with all the knobs sticking out.  I am constantly having to watch out that my dust deflector doesn't hit and make an adjustment to the roller assembly.  I just can't get it tight enough.


Brian
Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well armed lamb contesting the vote.  Ben Franklin

Offline redbeard

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Re: Information for B-20 Owners
« Reply #11 on: March 07, 2014, 12:33:58 AM »
I have had to rough up the metal with a grinder and it has held pretty tight. Ladylake has a nice mod he welded a adjustable bolt on the side of the plate keeps it from moving upwards. There's a picture of it. Maybe Steve can post it again.
Whidbey Woodworks and Custom Milling  2019 Cooks AC 3662T High production band mill and a Hud-son 60 Diesel wide cut bandmill  JD 2240 50hp Tractor with 145 loader IR 1044 all terrain fork lift  Cooks sharp

Offline ladylake

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Re: Information for B-20 Owners
« Reply #12 on: March 07, 2014, 05:52:11 AM »
 I forgot how to post, I think Tom has that pic also. That part I made to hold the guide down was my first modd.   I really like that the TK guides are 3"  rather than 2" which gives better wear and bearing life as they turn a lot slower.  With drilling a little hole in the seal and greasing I get really good life out of those bearing when running water, running diesel in the winter they don't need near as much grease. These new greaseable are nice but my only complaint is that the mounting bolt isn't strong enough for the rough service my mill gets.  I long ago converted my mill to 5/8 mounting bolts which stay straight.  Steve
Timberking B20 14000 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     Suffolk  setter Volvo MCT125c skid loader

Offline Tom the Sawyer

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Re: Information for B-20 Owners
« Reply #13 on: March 07, 2014, 08:17:40 AM »
These are a 3" diameter roller and the threaded portion that mounts to the mill is 1/2" but the axle bore where the bearings ride is 3/4".

Steve's drive side roller modification...

 

 
07 Timberking B-20, Custom-made log arch, 20' trailer w/ log loading arch, F350 SD flatbed dump.  Princeton piggy-back forklift.  Bobcat S250, Stihl 025C 16" and a Husqvarna 372XP 24/30" bars, Grizzly 20" planer, Nyle L200M DH kiln.
If you call and my wife says "He's sawin logs", I ain't snorin'.

Offline Ga Mtn Man

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Re: Information for B-20 Owners
« Reply #14 on: March 07, 2014, 08:50:41 AM »
I find it curious that there isn't a "rib" at the outside edge of the roller.  Are the new rollers wider to compensate for it?
"If the women don't find you handsome they should at least find you handy." - Red Green


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Offline ladylake

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Re: Information for B-20 Owners
« Reply #15 on: March 07, 2014, 09:36:24 AM »

 Looks like the guide wheel is wider, maybe room for a wider bearing inside or being greasable maybe a spacer between the bearings so the grease can get through.  Steve
Timberking B20 14000 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     Suffolk  setter Volvo MCT125c skid loader

Offline jclvsall

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Re: Information for B-20 Owners
« Reply #16 on: March 07, 2014, 09:43:47 AM »
Thank you for the mod pic.  That is great.  I have been trying to strip the threads out of the tension bolt since buying the mill.  This may prevent me from having to tap that hole out! 

I agree why is there no last rib.  These are like "Adam's rollers"  the last rib is missing.

Brian
Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well armed lamb contesting the vote.  Ben Franklin

Offline Larry

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Re: Information for B-20 Owners
« Reply #17 on: March 07, 2014, 10:08:55 AM »
I find it curious that there isn't a "rib" at the outside edge of the roller.  Are the new rollers wider to compensate for it?

There using two single row bearings in place of one double row bearing.  Grease comes up from the spindle between the two bearings.

When I first learned of the new style I thought cool.  I'll just turn a new spindle on my lathe and put in two bearings.  A quick measurement showed not enough space to fit two bearings into the old style roller.  TK made the new roller longer.

I think the cost of the new style is a bit expensive, for a modification that should have been done 14 years ago, as red oaks lumber pointed out.

Larry, making useful and beautiful things out of the most environmental friendly material on the planet.

We need to insure our customers understand the importance of our craft.

Offline ladylake

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Re: Information for B-20 Owners
« Reply #18 on: March 07, 2014, 11:21:43 AM »
 Lets not be too hard on TK as other mills come without greasable guide rollers and after more than 9000 hours I get real good life out of the old style.  My only complaint was the 1/2" bolt which wasn't strong enough.  Steve
Timberking B20 14000 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     Suffolk  setter Volvo MCT125c skid loader

Offline redbeard

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Re: Information for B-20 Owners
« Reply #19 on: March 07, 2014, 05:46:19 PM »
So is this new guide roller the same as what TK 2000 are using I have not seen it where the front groove is removed probably to help save the set when the back of blade hits flange.
Whidbey Woodworks and Custom Milling  2019 Cooks AC 3662T High production band mill and a Hud-son 60 Diesel wide cut bandmill  JD 2240 50hp Tractor with 145 loader IR 1044 all terrain fork lift  Cooks sharp


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