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  1. #1
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    Default Bandsaw gearbox oil

    Hi All
    I've just been doing some research trying to find out about oils for bandsaw gearboxes. I recently bought a UE-250S Bandsaw and I want to change the gearbox oil. The manual that I downloaded for it simply says a 50 weight gear oil. I've looked at several other manuals for different bandsaws and I got the following results: ISO 320, ISO 68 or SAE 90 Gear Oil, Model SB1365 or ISO 68 (sb1365 is a way oil), ISO 680 Grade Synthetic Gear Oil, Mobil SHC Gear Oil 460, Mobil DTE Oil Heavy Medium, Mobil Synthetic Gear Oil SHC-636 (ISO 680).
    I had a small horizontal bandsaw in the past and I used Fuchs Titan SuperGear 80-90W in it.
    What are you guys using in your Bandsaw Gearboxes ?. Thanks in advance.
    All The Best steran50 Stewart

    The shortest way to do many things is to do only one thing at once.

  2. #2
    BobL is offline Member: Blue and white apron brigade
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    Default

    Given its such a slow gear I don't think it really matters what is used.
    I've been using some 75W that my son left under the house about 15 years ago

  3. #3
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    I remembered there something about not using "extreme pressure" gear oils in worm gearboxes, so did a bit of a google. Seems its not the issue it once might have been.

    " Previously, there was a concern that sulfur-phosphorous EP additives would react with the bronze gear. However, new EP additive technology used by most of the major lubricant suppliers has reduced the corrosive attack by utilizing nonactive sulfur. EP lubricants work particularly well when shock loading occurs. EP gear oils also protect steel gears better than compounded gear oils."

    https://www.machinerylubrication.com...ar-lubrication

    Not much help but I likely need oil of the gearbox on my bandsaw so I am interested in the answer.

  4. #4
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    Default

    Quote Originally Posted by Stustoys View Post
    I remembered there something about not using "extreme pressure" gear oils in worm gearboxes, so did a bit of a google. Seems its not the issue it once might have been.

    " Previously, there was a concern that sulfur-phosphorous EP additives would react with the bronze gear. However, new EP additive technology used by most of the major lubricant suppliers has reduced the corrosive attack by utilizing nonactive sulfur. EP lubricants work particularly well when shock loading occurs. EP gear oils also protect steel gears better than compounded gear oils."

    https://www.machinerylubrication.com...ar-lubrication

    Not much help but I likely need oil of the gearbox on my bandsaw so I am interested in the answer.
    I think that would be the "hyperoid" gear oil to avoid.

  5. #5
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    Default

    I did come across the Machinery Lubrication link, I should have shared it on here. Here is where I seen that link https://www.shopfloortalk.com/forums...ad.php?t=13797 I had asked a supplier about Fuchs Renolin CS 680 but Fuchs don't bring it into Australia. The same supplier could supply Shell Omala S2 680 but in a 20LT Drum, but I don't need 20LT's of the stuff. I emailed Penrite with all the info that I have and I'm waiting for a reply. I also asked Penrite about their Marine Gear Oil 75W-90 (full synthetic) (note it's GL5) as to whether it might be suitable as I have that here for the Outboard Gearboxes. I'll let you know if Penrite comes up with anything.
    All The Best steran50 Stewart

    The shortest way to do many things is to do only one thing at once.

  6. #6
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    Normally for a horizontal bandsaw given the normal hobby shop use, I'd say "oil". But if this is the one from Eden, we're in a bit of a different class here, and given the size of that beast I'm inclined to be a bit more picky.

    Does it definitely say 50 weight 'gear' oil? I'm getting really confused reading up on this. I'm trying to find a straight answer on whether 50 weight is the same as 50W, because something seems off - every cross reference chart I've found suggests that gear oil starts at 75W, which would be ISO 32. (Penrite have a chart near the bottom of this page, but many others around that say the same: https://www.penriteoil.com.au/knowle...-viscosity/180)

    But Lucas do actually make a synthetic 50wt gear oil, available in one gallon containers: https://www.lucasoil.com.au/products...ansmission-oil

    Reading the spec sheets for that, contrary to what the cross reference tables would suggest it appears to be closer in viscosity to ISO 150, except that the Lucas product has a viscosity index almost double that of ISO 150. Supposedly the higher the viscosity index, the less the viscosity changes with temperature rise. In theory good for this application. Whether it's actually relevant would depend on how long it takes to get through the one or two pieces you're likely to cut at a time, and how much load the box is under in that design.

    'Ultra' lubricants do an ISO 150 industrial gear oil that is available in 5L containers: INDUSTRIAL GEAR OIL ISO: 150 - Ultralube

    As mentioned earlier though, it does have a viscosity index of 98, vs the 177 of the Lucas product. Realistically I doubt that is much of an issue. The Lucas product at 40 degrees has a viscosity of 133, dropping off to 20 at 100 degrees, while the Ultra starts at 150 and drops to 14.8. I'd be surprised if for your use the box exceeds 75 degrees, as if I remember correctly you're not doing production with it.

    The Lucas product is available on eBay for a somewhat eye watering $65, not sure about the Ultra product. Haven't had any luck finding any other suppliers that do ISO 150 gear oil in less than 20L packs, but there may be some - or perhaps you could try the truck workshop in Eden, or some of the other agricultural/industrial workshops in Bega might use it and be prepared to sell you a couple of litres? Nolans in Eden would probably sell you some if you want to bend over far enough, seem to recall they had those sorts of oils and other truck type stuff in there last time I was in.... If you're really lucky, maybe the Abalone co-op uses it for some of their processing machinery, or maybe Grant Cockburn or someone like that has some on hand for his excavators or tractors...

  7. #7
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    Years back when I was looking at a 6 x 4 bandsaw one of the points that came up in discussion was that the cheap ones made in bat flu land had gearboxes that were filled with cheap and nasty oil.

    At some point later the brass worm gear in the gearbox failed due to sulphur attack.
    I have of course checked mine and refilled with the correct fresh oil.

    Penrite 85/140 1 litre is what I chose. Four oil changes or so in my case.
    Here is a C & P from the Penrite info sheet for the oil.

    PRODUCT BENEFITS. Maximum protection
    Anti shudder additive technology
    Superior thermal stability
    Maintains cleanliness & reduces abrasive wear
    Longer drain intervals
    Superior protection against scoring & spalling wear
    Compatible with copper alloy components
    Minimises inventory


    This topic was covered in the then metalwork forum when it was in the W/Work forum. I don't know how many years back, possibly nearly a decade.
    I hope it helps.

    Grahame

  8. #8
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    Default

    Quote Originally Posted by steran50 View Post
    Hi All
    I've just been doing some research trying to find out about oils for bandsaw gearboxes. I recently bought a UE-250S Bandsaw and I want to change the gearbox oil. The manual that I downloaded for it simply says a 50 weight gear oil. I've looked at several other manuals for different bandsaws and I got the following results: ISO 320, ISO 68 or SAE 90 Gear Oil, Model SB1365 or ISO 68 (sb1365 is a way oil), ISO 680 Grade Synthetic Gear Oil, Mobil SHC Gear Oil 460, Mobil DTE Oil Heavy Medium, Mobil Synthetic Gear Oil SHC-636 (ISO 680).
    I had a small horizontal bandsaw in the past and I used Fuchs Titan SuperGear 80-90W in it.
    What are you guys using in your Bandsaw Gearboxes ?. Thanks in advance.
    hi
    i use sae 90 in a reduction box i put on my wood bandsaw
    steve

  9. #9
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    My Bandsaw in question is the beast from Eden. I don't know what Brand the bandsaw is as there is no makers sticker or badge on it, but i does have the model no. UE-250S. The manual that I downloaded is for a Unimac UE-250S/UE-250SSA and it definitely states '50 Weight Gear Oil'. I rang the guy today that I bought it off, but he had never changed the oil so he couldn't help me. The Abalone Co Op might be worth a go and they are right near my workshop. Gee that Lucas oil is dear $65.00 and it says it's normally $122.96. The guy from from Penrite got back to me and they came up with their 'Penrite Mild EP Gear Oil 110' https://www.penriteoil.com.au/produc...ar-oil-sae-110 . I just came across this bit of info https://bobistheoilguy.com/forums/th...bandsaw.94187/ . I was just looking at a couple of Hare & Forbes manuals and the BS-10LS manual says "Mobil synthetic gear oil,SHC-636, ISO viscosity grade 680. this oilmeets or exceeds american gearmanufacturers association (A.G.M.A.) #8compounded cylinder oil specifications."
    Considering what I've found and read I'm inclined to go with a 460 or 680 oil and hopefully I don't have to buy 20 litres of the stuff.
    All The Best steran50 Stewart

    The shortest way to do many things is to do only one thing at once.

  10. #10
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    Take away the zeros and its 46, and 68. Typical manufacturer wanting to confuse the layman?

  11. #11
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    This is the gearbox oil I use in my bandsaw.

    I was concerned with the sulphur attacking the bronze.

    https://penriteoil.com.au/products/transoil-sae-90

  12. #12
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    So if I have Chinese 6x4 that is is 20 years old and never had a change of oil, should I change it.

  13. #13
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    Quote Originally Posted by China View Post
    So if I have Chinese 6x4 that is is 20 years old and never had a change of oil, should I change it.
    From my hazy recollections of discussion last time around, I would say that if it hasn't cacked itself after 20 years, it ain't gonna happen.

    If you are really worried about it, have some strong helpers turn it on its side to get the gearbox top level and take the lid off.
    Trust me on this,its a plik to turn on its side on your own. It is heavy and awkward.

    Check for gear erosion damage, change oil and stick a new gasket on and your off to the races.

    Grahame

  14. #14
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    It is interesting as I have not owned it all that time however it was was bought knew by a friend who owns a sign company she had no further use for it I have been just using it for about three years.
    It never occurred to me that I probably should change the oil.

  15. #15
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    Hi Guys,

    I've never bothered to check or change the oil in mine, so I've no idea what condition it could be in. Though some time ago I saw a picture from someone that had made a transparent acrylic cover for his gearbox and could see the oil. I thought that it was a good idea and obtained a piece of perspex to make one ! Unfortunately that was as far as it got ! I never got a new gasket either and never made the cover. Yet another round toit !

    I seem to be getting quite a pile of those.
    Best Regards:
    Baron J.

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