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美孚润滑油系列 > 齿轮油 > 新一代Mobilgear SHC Series合成齿轮油

 

新一代Mobilgear SHC Series合成齿轮油 详细说明 (浏览1634次)

Mobilgear SHC Series

Gear Oils

Product Description

The Mobilgear SHC Series lubricants are supreme performance heavy-duty gear oils primarily designed for all kinds of enclosed gearing as well as plain and rolling element bearings. They are designed to provide outstanding service in terms of equipment protection, oil life, and problem-free operation enabling increased customer productivity.  These scientifically engineered synthetic lubricants are formulated from synthetic base fluids that have exceptional oxidation and thermal properties and excellent low temperature fluidity. The combination of a naturally high viscosity index and a unique additive system enables these products to provide outstanding performance under severe high and low temperature operating conditions. The nature of the synthetic base fluids also contributes to the products' excellent low temperature performance. They have outstanding EP properties and resistance to shock loading. The synthetic base stocks have inherently low traction properties that result in low fluid friction in the load zone of non-conforming surfaces such as gears and rolling element bearings. Reduced fluid friction produces lower operating temperatures and improved gear efficiency.

The Mobilgear SHC Series covers a very wide viscosity range, from ISO VG 150 to 6800. Accordingly, they find application in a wide range of enclosed gear applications, as well as plain and rolling element bearings. Because of the very high viscosities available, this family can meet the lubrication needs of very slow speed and high load/high temperature gears and bearings; they are ideal for situations in which conventional products operate in the boundary regime. They may be situations where a lubricant bath or recirulation system is used to apply the oil.

Mobilgear SHC Series lubricants are the products of choice for many OEMs and customers world-wide based on their wide application range and superb performance in tough situations.

Features and Benefits

The Mobilgear SHC Series of lubricants is a leading member of the Mobil SHC brand of products that are world-renowned for their innovation and performance. These scientifically engineered synthetic lubricants symbolize the continuing commitment to using advanced technology to provide outstanding lubricant products. The Mobilgear SHC Series of lubricants provide benefits not possible with mineral stocks, particularly under extreme high and low temperature operating conditions,and deliver performance features and customer benefits.

Our formulation scientists have used a proprietary additive combination that fortifies the base fluids to provide excellent EP and anti-wear performance, even in shock load situations. The resulting finished products have shown exceptional performance in OEM evaluations, customer field tests and commercial use. The higher viscosity grades are particularly effective in low-speed, high load, high temperature situations and provide excellent gear and bearing protection, longer oil life and excellent all-round service compared with conventional products.

Specific features and potential benefits for the Mobilgear SHC Series of lubricants include:

Features Advantages and Potential Benefits
Outstanding load-carrying and antiwear properties Extended gear life and reduced maintenance costs
Very high viscosity grades available, without reduction of properties or performance capability Provides excellent EHL film protection of gears and bearings even at slow speeds, high loads and high temperatures
  Can be used to convert all-loss systems to circulation
  Can replace grease in some applications resulting in plant product consolidation
High viscosity index Trouble-free operation over a wide temperature range particularly at extremely low temperatures.
Low traction properties Improved gear efficiency and lower operating temperatures lead to lower operating costs
Outstanding thermal/oxidation resistance and long product life Reduced lubricant consumption, reduced product and change-out costs
Light colour Minimises need for gear cleaning prior to inspections, reducing maintenance costs

 

Applications

Application Considerations: While the Mobilgear SHC Series are compatible with mineral oil based products, admixture may detract from their performance. Consequently it is recommended that before changing a system to one of the Mobilgear SHC Series, it should be thoroughly cleaned out and flushed to achieve the maximum performance benefits.

Mobilgear SHC Series oils are recommended for all types of enclosed steel-on-steel gear drives. They are suitable for both circulation and splash lubrication systems. The range of viscosity choices in the Mobilgear SHC Series from ISO 150 to ISO 6800, provides the right lubrication option for low temperature applications where pour points of -46ºC are required to high temperature applications where operating temperatures of 121ºC are encountered. They are particularly recommended for gear sets operating under heavy or shock loads and low speeds where boundary lubrication may prevail. For clarity, applications for this product family are described for two viscosity ranges, as follows:

  • Mobilgear SHC 150 to 1500 - Industrial enclosed spur, helical and bevel gear drives, especially heavy-duty applications especially those found in mining, chemical processing, metals and paper sectors.
  • Mobilgear SHC 150 to 1500 - Industrial gearing for conveyers, agitators, dryers, fans, mixers, presses, pulpers, pumps (including oil well pumps), screens, extruders and other heavy duty applications
  • Mobilgear SHC 150 to 1500 - Marine gearing including main propulsion, centrifuges, deck machinery such as winches, windlasses, cranes, turning gears, pumps, elevators and rudder carriers
  • Mobilgear SHC 3200 and 6800 - Industrial enclosed spur, helical and bevel gears, especially slow speed, and/or high load units
  • Mobilgear SHC 3200 and 6800 - Plain and rolling element bearings, especially in slow speed, and/or high load applications
  • Mobilgear SHC 3200 and 6800 - Railroad DC Traction Motor drives
  • Mobilgear SHC 3200 and 6800 - Certain open gear applications such as oiling pinions or specially designed circulation systems

 

Typical Properties

Mobilgear SHC 150 220 320 460 680 1000 1500 3200 6800
ISO Viscosity Grade 150 220 320 460 680 1000 1500 3200 --
Viscosity, ASTM D 445                  
cSt @ 40º C 150 220 320 460 680 1000 1500 3025 8100
cSt @ 100º C 19.5 26 35 46 62 81 106 171 350
Viscosity Index, ASTM D 2270 150 150 155 155 160 160 160 160 170
Pour Point, ºC, ASTM D 97 -45 -36 -33 -27 -27 -24 -18 -9 -6
Density @15.6º C kg/l, ASTM D 4052 0.86 0.87 0.88 0.87 0.89 0.87 0.88 0.89 0.90
Flash Point, ºC, ASTM D 92 222 232 238 245 256 - - - -
Timken OK Load 60 60 60 60 60 60 60 60 60
4-Ball EP Teat, ASTM D 2783:                  
Weld load, Kg 250 250 250 250 250 250 250 250 250
Load Wear Index, Kgf 48 48 48 48 48 48 48 48 48
FZG test, DIN 51354, Failure Stage 13+ 13+ 13+ 13+ 13+ 13+ 13+ 13+ 13+
Copper Corrosion, ASTM D130, 3 hrs @ 100º C 1B 1B 1B 1B 1B 1B 1B 1B 1B
Demulsibility, EP Oils, ASTM D 2711-2,Free water, ml 85 85 85 85 85 85 85 85 85
Foaming Characteristics, ASTM D 892,Seq. I, II, III, Tendency/Stability, ml/ml 0/0, 0/0, 0/0 0/0, 0/0, 0/0 0/0, 0/0, 0/0 0/0, 0/0, 0/0 0/0, 0/0, 0/0 0/0, 0/0, 0/0 0/0, 0/0, 0/0 0/0, 0/0, 0/0 0/0, 0/0, 0/0
Rust Protection, ASTM D 665, Sea Water Pass Pass Pass Pass Pass Pass Pass Pass Pass

 

Health and Safety

Based on available information, this product is not expected to produce adverse effects on health when used for the intended application and the recommendations provided in the Material Safety Data Sheet (MSDS) are followed. MSDS's are available upon request through your sales contract office, or via the Internet. This product should not be used for purposes other than its intended use. If disposing of used product, take care to protect the environment.


The Mobil logotype, the Pegasus design and Mobilgear SHC are trademarks of Exxon Mobil Corporation, or one of its subsidiaries. 

9-2010 

© 2001-2011 Exxon Mobil Corporation. All rights reserved..

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