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Forum topic by jimig11 posted 10-15-2013 05:46 PM 2334 views 0 times favorited 20 replies Add to Favorites Watch
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jimig11

55 posts in 1362 days


10-15-2013 05:46 PM

Topic tags/keywords: bandsaw band saw bearings configuration help wtf

Hi all, I recently picked up an older model craftex 14” bandsaw, I am reasonably new to woodworking and haven’t used been around bandsaws before. When I got it home and set it up, I noticed an oddity about the guide bearings as illustrated in the pics. From what I have seen from the last few months of poking around trying to pick one, usually the guide bearings run east to west not north south, also I understand the thrust bearing should only make contact when in use and only on the outer ring of the bearing, is this correct? Something in the current configuration is rubbing on the thrust bearing and sparking.
Thank you so much all for the help.

Craftex 14” bandsaw


Normal or not?


20 replies so far

View JustJoe's profile

JustJoe

1554 posts in 1499 days


#1 posted 10-15-2013 06:03 PM

I got it home and set it up
Could that be the problem? Maybe some sort of operator/machine interface error? :)

Craftex is sold by Busy bee and they post a lot of manuals. If you google for it, it’s probably on their website. You might get lucky and find a picture of the correct way.

Just winging it, it looks like an entire assembly is incorrectly installed and some arms need loosened and flipped. Another option is that two entire assemblies are incorrectly installed because that second pic looks a lot like the bottom guide bearings, that usually use guide blocks, but with bearings, normally used in the top guide assembly.

-- This Ad Space For Sale! Your Ad Here! Reach a targeted audience! Affordable Rates, easy financing! Contact an ad represenative today at JustJoe's Advertising Consortium.

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jimig11

55 posts in 1362 days


#2 posted 10-15-2013 06:12 PM

It was sold “as is” currently I have not touched the configuration of the bearings, but yeah looks like somebody at some point has tried to “upgrade” there guide blocks with bearings, I am thinking as a fix I could put the bearings on allen keys so they orientate the right way at least.

View gfadvm's profile

gfadvm

14940 posts in 2150 days


#3 posted 10-16-2013 01:31 AM

Your “guide bearings” look like ceramic guide blocks from here. They are very popular in some circles and the “sparking” is normal with ceramic guides. I was always just a little concerned with fire danger so never tried them.

Both the thrust bearing and the ceramic guides are set too far back on your blade in your picture.

If you are new to bandsaws, Mark Dujinski’s Bandsaw Book is a great resource.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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jimig11

55 posts in 1362 days


#4 posted 10-16-2013 02:50 AM

Your “guide bearings” look like ceramic guide blocks from here. They are very popular in some circles and the “sparking” is normal with ceramic guides. I was always just a little concerned with fire danger so never tried them.

Both the thrust bearing and the ceramic guides are set too far back on your blade in your picture.

If you are new to bandsaws, Mark Dujinski’s Bandsaw Book is a great resource.

They are definitely bearings. I am new to band saws not to life lol. Also the guard would rock back and fourth, since shimmed it and all 3 bearings sit within a business card of the blade. Still sparks but just from the thrust bearing. Maybe just replace that bearing?

View hobby1's profile

hobby1

327 posts in 1758 days


#5 posted 10-16-2013 03:00 AM

Quote” They are definitely bearings. I am new to band saws not to life lol. Unquote,

That struck me funny when I read it.

My thrust bearing on my black and decker, benchtop bandsaw, did the smae thing, the reason it did, was after so long the sawdust gets into the bearing starts to bind it up, then begins to rub against it metal to metal with very little spin, then the bearing begins to get ruined, because now the back of the blade begins to cut a ridge into the rim, so as the bearing spins from time to time, it binds and spins leaving nick marks all around the bearing rim, to the point where the bearing becomes useless, and needs replaced.

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jimig11

55 posts in 1362 days


#6 posted 10-16-2013 03:05 AM

it binds and spins leaving nick marks all around the bearing rim, to the point where the bearing becomes useless, and needs replaced.
There are several gouges in the thrust bearing, Thank you so much! I think that solves the sparking problem.
Now all that’s left is wtf is up with the guides?

View realcowtown_eric's profile

realcowtown_eric

565 posts in 1397 days


#7 posted 10-16-2013 06:12 AM

All that comes to mind for me is that you back off ALL the bearings/guide blocks whatever, lrun the machine and adjust the wheel adjustments till the blade tracks nicely, then just ease your bearing guides up to the blade.

Sparks and fine sawdust going into a dust collecion system would not make me happy. And oh yea, although the bearings in yer cars wheels can last a coupla hunnerd thousand KM, the bandsaw ones don’t fare that well. If you got nicks and gouges, replace em ALL and get back to business. if the thrust bearing at the back ihas become gummed up to the point of failure, the guide bearings ain’t gonna be that far from doing the same.

Have you read any of the references on setting up yer bandsaw?

Eric

-- Real_cowtown_eric

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jimig11

55 posts in 1362 days


#8 posted 10-16-2013 07:00 PM

Unfortunately the manual for it is an ancient scanned document and asides from general unboxing, there is no info of any help. I am thinking, change the blade and bearings, they are prolly original putting them at 11 years old now. Also I have now seen 2 other bandsaws with the N/S bering configuration so I am less concerned about that, only question left is where in Ontario(Oakville/Burlington/Mississauga/Hamilton) to get bearings? I grew up in Australia so I am still finding my feet with Canadian suppliers.

View rrww's profile

rrww

263 posts in 1574 days


#9 posted 10-16-2013 11:34 PM

Are the guide bearings pressed onto the little shaft? It seems that it wouldn’t work right with the bearings oriented that way, because the center of the bearing (that dosn’t spin) will just cause a ton of problems including a tremendous amount of heat. I wounder if somebody converted it from blocks to a home-brew bearing system.

Carter makes a ton of bandsaw stuff, maybe they could give you a little insight on these guide bearings. Check out the Alex Snodgrass bandsaw video on you tube – you will learn a bunch about bandsaw setup. It won’t help you with these bearings.

Sorry I can’t be of more help.

View UpstateNYdude's profile

UpstateNYdude

694 posts in 1443 days


#10 posted 10-17-2013 12:12 AM

I’m guessing that is the CT081 by the looks of it, and the whole bearing guide assembly looks messed up.

-- Nick, "Choking to death on bacon is like getting murdered by your lover." - JG

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UpstateNYdude

694 posts in 1443 days


#11 posted 10-17-2013 12:14 AM

Although in this ad it looks as though he has them setup the same way.

http://ontario.kijiji.ca/c-buy-and-sell-tools-power-tools-14-Craftex-Band-Saw-Blades-W0QQAdIdZ533549483

-- Nick, "Choking to death on bacon is like getting murdered by your lover." - JG

View jap's profile

jap

1251 posts in 1514 days


#12 posted 10-17-2013 02:09 AM

You could call up http://www.busybeetools.com/ they sell the craftex brand, and also sell parts if you call them, not online.

-- Joel

View Jim Jakosh's profile

Jim Jakosh

17123 posts in 2566 days


#13 posted 10-17-2013 03:08 AM

On a lot of saws the back thrust bearing is in the position like yours, but the side bearings are usually 90 degrees to what you have there so the surface of the bearing hits the blades and not the side.
It will probably work that way as long as one of the bearings is not frozen. If a bearing is not turning, you cold be getting sparks from the weld on the blade hitting the solid steel of the side of that bearing.
Check them all to see if they are rolling.

Also, if the bearings are good, I would back out all the guide bearings and let the blade free wheel where it will and then slowly move the bearings up to “kiss” the blade, starting with the back bearings and then the side ones.

In that second picture, the side guide bearings are way too far back from the cutting edge to give good support. And if you put them our farther, the blade will be hitting the center of the bearing. Really, I’d trash those side bearings and put in some ceramic guides. I think you’ll have better luck than with that setup.

...............Cheers, Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View bigblockyeti's profile

bigblockyeti

3665 posts in 1181 days


#14 posted 10-17-2013 03:32 AM

The orientation of the thrust bearing looks correct, but I have never seen side bearings situated like that. I have worked on many saws in the past and it almost looks like the saw might have discs that operate much like guide blocks, only with more precision. Perhaps at some point in the past someone decided it would be a good idea to upgrade from the discs to bearings, but went about it all wrong. You are correct in your assumption that the axis these bearings are installed on is not right.

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jimig11

55 posts in 1362 days


#15 posted 10-17-2013 01:34 PM

“Although in this ad it looks as though he has them setup the same way.

http://ontario.kijiji.ca/c-buy-and-sell-tools-power-tools-14-Craftex-Band-Saw-Blades-W0QQAdIdZ533549483

hahahahahahahahaa I thought CT081 as well but it states its a b2352 on the info sticker.

Hmm that workshop looks familiar, basement check, rigid tablesaw check, drill press on a noobs work bench that he made twice the size it should have been check. Oh that’s my Kijiji ad hahahaha.

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