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In This Issue
| - Selecting a Grease to Prevent Corrosion
- New Options to Stop Lubricant Degradation
- Sample Information to Send to the Lab
- Best Practices for Lubricant Conservation
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| Selecting a Grease to Prevent Corrosion |
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| In a humid environment, condensate can form in rolling element bearings and cause corrosion, leading to a reduction of the bearing life. By carefully choosing the grease lubricant, you can reduce the effect of the condensed moisture. Greases thickened with sodium soap will absorb (emulsify) large quantities of water but may soften it to such an extent that the grease flows out of the bearing. Lithium soap greases do not emulsify water, but with suitable additives can provide good protection against corrosion. There are also a number of greases available with synthetic thickeners that offer excellent protection against corrosion, prolonging the bearing life. (Derek Peasley, FAG Europe)
Join us in Dallas, Texas, on January 24-26 for
Machinery Lubrication training.
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| Water Problems? Fight Back!
Condensation in gearboxes & pumps is a common, costly problem. LE solutions include Duolec Vari-Purpose, a high-performance gear oil that separates readily from water, & desiccant breathers, which remove moisture from the air.
Click here for more info. |
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Materials based on molecular sieves are envisioned as effective, environmentally safe, economical and reusable alternatives to traditional antioxidant additives. These nanoporous materials can be engineered to capture oxidized byproducts and residual water produced during the early and late stages of lubricant degradation. These materials possess tailored porosity along with a variable morphology. Therefore, they can be considered as a trapping system during lubricant oxidation by means of physical adsorption, thus effectively halting the chain reaction of lubricant degradation.
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FULL STORY
Test your knowledge and prepare for ICML lubrication and oil analysis certification.
Question: What information should accompany the oil sample to the laboratory?
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GET THE ANSWER
From the book "Lubrication and Maintenance of Industrial Machinery":
Packaging and handling practices have a significant contribution to the conservation of lubricants. Contamination commonly occurs when containers are left open in point-of-use and storage areas. The presence of moisture and particulates degrade the effectiveness of all types of lubricants, in many cases requiring that the lubricants be discarded. Recommended practice often requires packaging in sealed containers of the size, or fraction thereof, usually needed for the system. Where drum-sized or tote-bin containers are used, they should not be left open, and the storage position should be such that contamination cannot accumulate at the vent, drainage or fill holes. Typically, a horizontal drum position is indicated. This simple consideration can conserve lubricants by minimizing discards and assuring expected performance.
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Read more about "Lubrication and Maintenance of Industrial Machinery"
Poll Question: Which type of relubrication method is used most frequently at your plant?
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