How Much Hydraulic Oil Consumption is Acceptable?

how to heat hydraulic oil safelyWhat is an acceptable level of oil loss for a hydraulic machine:
a). Zero
b). 2%
c). 5% or more?

In a perfect world, the right answer would of course be zero. But in reality, the true answer is 5% or more–of tank oil volume per year. And the reason I can say this with confidence is because total hydraulic … Read more

Hydraulic System Cavitation and Many of Its Causes

photo credit eaton vickersCavitation is the term used to describe the formation of gas cavities within a liquid. In a hydraulic system, this is normally taken to mean formation of vapor bubbles within the oil. But it can also mean dissolved air coming out of solution in the oil.

Cavitation erosion occurs when gas cavities in the oil collapse (implode) under pressure, in … Read more

What To Check When Hydraulic Oil Darkens In Color

suctionstrainerclogged-resizeOne of our members wrote me about the following problem:

“We are facing the following problem with our European made moulding machines. If we fill the hydraulic tank with brand new oil, within less than 24 hours oil colour turns dark brown and gives burnt smell. But if we test the oil it shows fit for further usage. Initially we Read more