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Thread: Gearbox oil
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12th May 2008, 06:28 PM #1Senior Member
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Gearbox oil
Hello all
Does anyone know what grade or weight of oil to use in a Lathe gearbox.
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12th May 2008 06:28 PM # ADSGoogle Adsense Advertisement
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12th May 2008, 06:35 PM #2
At work, depending on the machines speeds we used Shell Tonna 46 or 68, really slow rpm, heavy load boxes used 220! Here is a Shell PDF
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12th May 2008, 08:08 PM #3SENIOR MEMBER
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My enquires on this subject lead to a hydraulic oil ,like Tellius 46. Hydraulic oil, I am told, does not keep metal particles suspended in the oil so they do not damage any of your gears.
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12th May 2008, 10:12 PM #4SENIOR MEMBER
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D D
Unfortunately hydraulic oil usually comes in 20 ltr or larger drums.
I have an older Taiwanese lathe which tends to leak somewhat. An engineer suggested that I change the original heavy to automatic trans oil. This allowed me to use top speed comfortably; but leaked like a mongrel.
I recently drained what was left and replaced it with compressor oil which is a bit heavier. Works like a charm and doesn't leak as much.
The compressor oil was recommended on an engineering forum.
Toggy.
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12th May 2008, 10:37 PM #5
A 15 to 20W non detergent oil.
I used the Castrol version, Hy Spin I think its called. Available in 5L bottles.
Seems to work ok
Grahame
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13th May 2008, 12:14 AM #6Senior Member
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Lathe gearbox oil
Thanks everyone for the info, just have to decide which to use now, I already have a 20 litre drum of Tellus 46 in the back shed used to refill the tank on the Kevrek crane mounted on the back of my ute, I thought that might be a bit light to use as the oil in the lathe is of a heavier grade. The lathe is Chinese built, 240v with 9 speeds.
Once again thanks for the info.
Dermott
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11th June 2008, 03:36 PM #7
I dredged up this old thread because my brother gave me some advice on this subject last night.
He uses Mobil 1 synthetic in his machines. My brother has been in the machining game for thirty five years, so I guess he has some knowledge on the subject. Anyway.... I am intending to switch to synthetic. I will report back if it doesn't go so well.
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11th June 2008, 05:06 PM #8Hewer of wood
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Yeah, I used this in my modern Trumpy; good stuff.
Might be a bit of overkill in a stationery engine tho.Cheers, Ern
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