ballen
Diamond
- Joined
- Sep 25, 2011
- Location
- Garbsen, Germany
How much oil should I put into this Studer RHU-500 grinding head?
Stupidly, I filled it to the middle of the oil eye (Mobil Velocite #3) but then oil started to run out around the grinding spindle. I was stupid because just by looking you can see that the oil eye is well above the height of the spindle. I am pretty sure that the oil is fed by an internal pump, and the oil eye is to monitor the flow from that pump. So the required oil level is lower than this eye.
(Background: the spindle is from a machine that was parted out, and I want to run it for testing purposes before selling or trading it. But I have zero documentation.)
Edit: I've looked a bit more at the design. I think the way it is supposed to work is like this. The spindle bearing is solid, and when it's rotating there is a flow of oil coming out of it. This is "caught" by a grooved ring which then directs that oil into a hole directly ABOVE the spindle centerline. The oil then flows through that hole and back to the oil sump. (It might also flow through the oil eye that is shown, on the way back to the sump.) Does that make sense? Has someone seen a system like this before?
Stupidly, I filled it to the middle of the oil eye (Mobil Velocite #3) but then oil started to run out around the grinding spindle. I was stupid because just by looking you can see that the oil eye is well above the height of the spindle. I am pretty sure that the oil is fed by an internal pump, and the oil eye is to monitor the flow from that pump. So the required oil level is lower than this eye.
(Background: the spindle is from a machine that was parted out, and I want to run it for testing purposes before selling or trading it. But I have zero documentation.)
Edit: I've looked a bit more at the design. I think the way it is supposed to work is like this. The spindle bearing is solid, and when it's rotating there is a flow of oil coming out of it. This is "caught" by a grooved ring which then directs that oil into a hole directly ABOVE the spindle centerline. The oil then flows through that hole and back to the oil sump. (It might also flow through the oil eye that is shown, on the way back to the sump.) Does that make sense? Has someone seen a system like this before?
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