-
Libya tender for the oil insulation breakdown tester
Libya tender for the oil insulation breakdown testerGeneral Electrical Company of Libia (GECOL)Tender Main CommitteeTechnical specifications for the oil insulation breakdown testerTesting voltage: 100 kV RMSMains supply voltage: 110, 230, 240 V / 50 or 60 Hz - selectable via voltage selectorVoltage measurement: ...
-
Purchasing gear lubricants: be careful when playing the numbers game
Purchasing gear lubricants: be careful when playing the numbers gameWritten by John SanderReferences1. Thibault, R., "Certification Matters: Part III Gearbox Principles and Lubrication". Lubrication Management and Technology, Applied Technology Publications, Barrington, IL, July/August 2011.2. Cooper, ...
-
Purchasing gear lubricants: be careful when playing the numbers game
Purchasing gear lubricants: be careful when playing the numbers gameWritten by John SanderConclusionSeveral resources are available to help the end user select the right gear lubricant. Some have focused only on speed, temperature and load, while others have added operating environment to the mix. Still ...
-
Purchasing gear lubricants: be careful when playing the numbers game
Purchasing gear lubricants: be careful when playing the numbers gameWritten by John SanderImportant NumbersAssuming that steps 1-10 have been considered and the final decision comes down to a comparison of data sheets, the question still remains, what numbers should one consider important? A review of ...
-
Purchasing gear lubricants: be careful when playing the numbers game
Purchasing gear lubricants: be careful when playing the numbers gameWritten by John Sander10. Evaluate PriceEvaluating the price is the last step in this process for a reason. Unfortunately, many gear oil purchasers evaluate price first, and sometimes it is the only number they evaluate. This can be ...
-
Purchasing gear lubricants: be careful when playing the numbers game
Purchasing gear lubricants: be careful when playing the numbers gameWritten by John Sander9. Ensure Fluid Durability for Extended DrainsToday, people are realizing that there is a hidden cost to using inexpensive, lower performance lubricants. The less time a lubricant lasts during service, the more ...
-
Purchasing gear lubricants: be careful when playing the numbers game
Purchasing gear lubricants: be careful when playing the numbers gameWritten by John Sander8. Consider Gear SpeedViscosity often is related proportionally to the speed at which the gearbox is operating. The general belief is that high-speed applications require low-viscosity lubricants, and low-speed ...
-
Purchasing gear lubricants: be careful when playing the numbers game
Purchasing gear lubricants: be careful when playing the numbers gameWritten by John Sander7. Identify Viscosity RecommendationThe viscosity of a gear lubricant is a measurement of its ability to flow in an application. This is a very important consideration in selecting gear oil. If the oil is too thick, ...
-
Purchasing gear lubricants: be careful when playing the numbers game
Purchasing gear lubricants: be careful when playing the numbers gameWritten by John Sander6. Minimize Effects of Operating EnvironmentA gearbox could be operating in an environment that is hot, cold, dusty, wet or various combinations of these conditions, all of which can have significant effects on ...
-
Purchasing gear lubricants: be careful when playing the numbers game
Purchasing gear lubricants: be careful when playing the numbers gameWritten by John Sander5. Know Gearbox Construction & CapacityA gearbox contains various components, including – but not limited to – the case, gears, bearings, shafts and seals. The construction of the gearbox, including its ...
