Tài liệu LUBRICATION OF MACHINE ELEMENTS P2 pptx

... minimum value of H f occurs at a ratio of recess radius to bearing radius R 0 IR of 0.53. All bearing-pad configurations exhibit minimum values of H f when their ratios of recess ... recent (within the last 30 years) extension of hydrodynamic lubrication that is of growing importance is gas lubrication. It consists of using air or some other ga...

Ngày tải lên: 27/01/2014, 16:20

... elastohydrodynamic lubrication presents one of the major developments in the field of tribology in this century. The revelation of a previously unsuspected regime of lubrication is ... event of importance in tribology. Elastohydrodynamic lubrication not only explained the remarkable physical action responsible for the effective lubrication of many mac...

Ngày tải lên: 27/01/2014, 16:20

... middle of this century two distinct regimes of lubrication were generally recognized. The first of these was hydrodynamic lubrication. The development of the understanding of this lubrication regime ... characteristics of machine elements. Consequently, an adequate knowledge of the viscosity-pressure and viscosity-pressure-temperature relationships...

Ngày tải lên: 27/01/2014, 16:20

... 458-460 of free space, m 0 , 458 relative, m r , 458 Phase asymptotes of complex poles, 279-282 inverted forms, 272 of real pole, 266-268 of real zero, 269 of RHP zero, 270 Phase control of resonant ... currents, table of, 609 of near-ideal rectifier waveforms, 604-609 Rotation of three-terminal cell, 141-142 Saturation of inductors, 462, 465-466 of magnetic materials, 45...

Ngày tải lên: 13/12/2013, 01:15

Ngày tải lên: 13/12/2013, 05:15

Ngày tải lên: 13/12/2013, 05:15

Ngày tải lên: 13/12/2013, 05:15

... properties of some common engineering materials are also discussed briefly. Version 2 ME, IIT Kharagpur 1.2.8 Reference for Module-1 1) Design of machine elements by M.F.Spotts, Prentice hall of ... and uses of some common non-ferrous metals. • Types and uses of some non-metals. • Important mechanical properties of materials. 1.2.1 Introduction Choice of materia...

Ngày tải lên: 17/12/2013, 11:15

... or manufacture a product range. The range of operational speeds of a machine or the range of powers of a typical machine may be also as per a series of preferred numbers. Version 2 ... other, the nature of fit is dependent on the limits of tolerances and fundamental deviations of the mating parts. The nature of assembly of two mating parts is defined by th...

Ngày tải lên: 17/12/2013, 11:15

Ngày tải lên: 22/12/2013, 23:17