Case Study Of Lubricants

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MAK LUBRICANTS Bharat Petroleum offers a big range of Engine Oils, Gear Oils, Transmission oils, Specialty Oils and Greases. With respect to the economic liberalization in India, Lubricants were the first downstream Petroleum product to be totally deregulated with effect from 1991. From then onwards, a large number of players - National, MNCs as well as Global Players - have entered the Indian Lubricants market. Despite operating in a totally competitive environment, BPCL's Lubricants SBU has been registering a growth in lubricant sales continuously over the past couple of years. In 1998, BPCL relaunched our Lubricants in new attractive packs, mainly in Automotive category with three major brands depicting each segment- Mak for Diesel Engine …show more content…

This has the benefit of reducing friction and surface fatigue together with reduced heat generation, operating noise and vibrations. Lubricants achieve this by several ways. The most common is by forming a physical barrier i.e. a thin layer of lubricant separates the moving parts. Reduce friction Typically the lubricant-to-surface friction is much less than surface-to-surface friction in a system without any lubrication. Thus use of a lubricant reduces the overall system friction. Reduced friction has the benefit of reducing heat generation and reduced formation of wear particles as well as improved efficiency. Lubricants may contain additives known as friction modifiers that chemically bind to metal surfaces to reduce surface friction even when there is insufficient bulk lubricant present for hydrodynamic lubrication, e.g. protecting the valve train in a car engine at startup. Transfer heat Lubricant is constantly circulated to and from a cooler part of the system, although lubricants may be used to warm as well as to cool when a regulated temperature is required. This circulating flow also determines the amount of heat that is carried away in any given unit of time. High flow systems can carry away a lot of heat and have the additional benefit of reducing the thermal stress on the

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