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Marine Lubricantsuse of the wide range of engine design, ratings and service applications they serve. There are no standard tests; lubricant suppliers use their own tests or the Bolnes 3DNL, with final proof from field tests. Frequent lubricant analyses safeguard engines and require standard sampling procedures befo轮流 发表于 2025-3-22 16:16:37
Lubricating Greaseng special properties. Base oils are usually paraffinic mineral oils with some synthetic base oils used. Thickeners are based either on metal soaps, particularly calcium and lithium, with complex soaps giving particularly good performance at higher temperatures. Inorganic thickeners include clay, si轮流 发表于 2025-3-22 18:06:40
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Rajapandian Ramamoorthy,Shabareesh Kumar seal compatibility additives, the second prefers trialkyl over triaryl phosphates and contains anti-hydrolysis additives. Aviation greases are subject to extreme operating conditions, such as high-temperature conditions up to 550°C in wheel bearings and resisting water ingress. Airframe and wheel b继承人 发表于 2025-3-23 06:09:11
H. R. Sahana,Pooja Dutt,A. K. Anilkumars for standard tests using different lubricants vary over several orders of magnitude for different lubricants, surface coatings and rpm. Unexpected effects, such as PTFE ‘plating out’ at low rpm, occur. The main issues are to prevent the lubricant escaping from working areas and to protect it from