The function of the pipes on the reduction gearbox
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Are these pipes on the reduction gearbox used to deliver lubricating oil to the bearings for air-lubrication? How can there be a pressure difference?
There should be an oil pump inside the gearbox; similar to high-speed pumps, there is an oil pump within the gearbox with speed-increasing gears
The gear oil for the upper bearing of this reducer must not splash, and lubricating oil is injected using an oil pump.
I asked the experienced worker; it has an internal oil pump for supplying oil, but I just can’t imagine what it looks like: L