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In This Issue
| - Hot Sampling Problem Solved
- How Lubricants Combat Friction and Wear
- Best Oil Sample Location on a Return Line
- Understanding Hydraulic Oil Compatibility
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| Hot Sampling Problem Solved |
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Many facilities use 5-ounce plastic bottles to collect oil samples with vacuum pumps. On hot days or when sampling hot oil, the bottles collapse under the vacuum pressure. To prevent this, make sleeves from clear PVC pipe, with the inner diameter matching the diameter of the bottles. Before collecting the sample, ask the technician to slide the bottle into the sleeve and then pull the vacuum. The sleeve reduces the incidence of bottle collapse by constraining the out-of-round shape change that the bottle must undergo just prior to collapse. (Stephen French, PPL Generation)
Join us in Cleveland, Ohio, on Sept. 10-12 for
Machinery Lubrication training.
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| In order to comprehend how temperatures and other operating conditions affect lubrication, you must first understand how lubricants behave in combating friction and wear. From boundary lubrication and hydrodynamic lubrication to elastohydrodynamic lubrication, learn the differences in the various lubrication regimes as well as what is required to eliminate or reduce frictional wear in each. |
FULL STORY
Question: What would be the best oil sample location on a return line?
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GET THE ANSWER
| There are dozens of additives available for use when blending hydraulic oils. Some anti-foam additives, for example, may prevent the buildup of foam on the oil's surface, but at the same time may actually retard the release of air trapped in the bulk oil. As a result, the mixing of hydraulic oils with different anti‑foam agents may actually increase the foaming of the oil. |
FULL STORY
Poll Question: What is your organization's typical strategy when purchasing new equipment?
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