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Thread: Gunk build up on bandsaw blades.
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7th December 2015, 09:25 PM #1
Gunk build up on bandsaw blades.
Wondered why my blades were burning their way through stock...kerf filled with horrible waxy gunk. Anyone know of a good product to keep that buildup from happening? I tried turps. No luck.
ta in advance.If you never made a mistake, you never made anything!
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7th December 2015, 10:29 PM #2Taking a break
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What TPI are your blades and how thick is the timber you're using? Perhaps the blade is too fine for what you're doing and not clearing the dust properly.
I've heard that citrus-oil-based cleaning sprays are good and acetone may also work when turps doesn't.
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7th December 2015, 11:19 PM #3.
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It sounds like you are running too high a TPI.
If so the gullets will fill and then the blade will overheat and make the wood exude residual resin which will gum up the blade.
You should be able to clear the teeth by painting the blade with diesel and leaving it to soak overnight and then run it though a friable timber like some dry jars and it should clear the teeth.
The Jarrah sawdust will absorb any excess diesel from the tyres as well.
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7th December 2015, 11:52 PM #4
Hi Bob n Elan.
I use Laguna Shearforce blades. The gummed up one is a 25mm skip tooth 3 S 4 S cut. The same has happened to my big King Resaw blade. I'll try the diesel. I'll coil them up and leave in my wheelie bin for a couple of days. Most of my resawing is in Blackwood, Huon Pine, Northern Silky and various eucalypts. Thanks for suggestions.
Mike.If you never made a mistake, you never made anything!
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5th January 2016, 01:13 PM #5
Green wood will gunk up a blade in no time at all and be very hard to shift. I think heat may be a factor in the gunk setting on the blade also, so sharp blade and don't force things. Diesel will be as good as anything to clean them.
Regards
John
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11th January 2016, 01:20 PM #6
Oven cleaner is the go.
H.Jimcracks for the rich and/or wealthy. (aka GKB '88)
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20th January 2016, 08:09 AM #7
Whatever you choose to use to clean the blades, I suggest you do it when the blade is removed from the bandsaw. There is a temptation to clean the blades while fitted to the machine due to it being easy to rotate the blade but the solvent residue can affect the tyres and lead to their deterioration.
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20th January 2016, 11:14 AM #8.
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If your tyres are made of polyurethane here is a list of chemical resistivity of Polyurethane.
Polyurethane - Chemical Resistance
In it you will see that PU is "Vastly resistant" to Diesel which means it can be used on the blade in the BS.
It is also resistant to vegetable oils so presumably citrus oil would be OK.
You would need to check what is in the oven cleaner to determine if it could be done this way
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20th January 2016, 09:06 PM #9Senior Member
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Concur with " clear out ", I use it regularly on my table and circular saw blades. They come up a treat.
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8th February 2016, 04:29 PM #10
This will help
Having experienced a similar situation with resin build up on my blades, I remembered seeing a solution being available from one of our suppliers. Olson have a Saw Blade Lubricant stick that lubricates the blade thus vastly reducing the ability of the resins to build up.
144624.JPG
These will be in stock later this week and can be seen HERE it works on both hand and powered cutting blades. it is one of those 'a little goes a long way' products so use regularly but sparingly. The choice of blade TPI is still an important consideration.
Regards
Grahame
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9th February 2016, 08:31 AM #11
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15th February 2016, 06:35 PM #12
And don't forget to clean the tyres as some of the gunk will transfer to them.
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16th February 2016, 05:57 PM #13Novice
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I found a soluble oil /water mix, dripped onto the blade keeps the blade clean on my horizontal cut bandsaw. I tried tis initially to keep the blade cool, killed 2 birds with one stone ! I found it only needs to drip onto the blade prior to entering the green log.
Make a mess, but !
Mipela
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