Elastohydrodynamic Lubrication of Grease-Lubricated Rolling Bearings

نویسنده

  • H. C. MUENNICH
چکیده

. . l l l r Irr/~ricctrt~ .filttr rl~ickt~(,.s.s of grensr l~rbr ico~r~l , cyli~trdricol rol11,r 1lrr11.sl /)i~crrirrg.s rocts tnmsrt,z,[i, ztsing 11 c n p ( t c i l ( ~ ~ ~ c c ~ t y / ) ~ dl.$plrrcrttrrrrt prol)~,. For cott~,bnri.son, tllr . S N ~ ~ I I ~ to.sts 7110'1' (11.so per/i)rtt11~1 zoi/11 1/11> / ) t~(tr i t~g~s l~tbt-ic(tl(~i 7~1111 ~ I I ~ T I ( , I Y L / oi1.s. Till, , f i / t t~ ~/~icktrrss cltrd fricliotr torqrte ns c i , f ~ o ~ c l i o t ~ rf rotrrtio,trrtl speed 71IC).L' rlcf~~r.rttirc~d both irtrdrr Jic IIy J lood~r l ( I 11r1 slo l ved htbricntio?~ r'nndiz lio1r.c. 7'11~ l ~ s l rr.sr11t.s slroro lltnt lhr I~rl~ricntr~ Jilttr thicktz~.ss ill g,rnsr-l11/))7'ccrtr(1 /)c~nrit~g.s i . s iil~Jl~tetrcd by lire D(I.SP oil. (1?1(/ tlw //rick~~tc(,r.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Hydrodynamic and Elastohydrodynamic Lubrication

Contents 1. Introduction 2. Stress-induced lubricant degradation 3. Basic equations governing the fluid elastohydrodynamic lubrication (EHL) of line and point contacts 3.1. Equations of fluid motion 3.2. Contact surface displacements in line and point lubricated contacts 4. Steady isothermal EHL problems for lightly loaded non-conformal line contacts 5. Steady isothermal EHL problems for heavil...

متن کامل

Elastohydrodynamic Lubrication With Herschel-Bulkley Model Greases

The analysis of grease-lubricaled rolling element bearings i s presented. Exferimen tally determined flow curaes for grease are found to be well correlated by the Herschel-Bdkley model flow eqzration. A theory for predicting roller Jilm thickness based on the assumed flow model i s derived. Experimental results show that grease will deveIop a larger film lhickness lhan the grease base oil at ji...

متن کامل

Elastohydrodynamic Grease Lubrication Theory and Numerical Solution in Line Contacts

In this paper, film thickness and pressure distribution of EHL in line contacts for four kinds of greases and one type of oil are calculated under a series of rolling velocities by wing an inverse solution method. The Herschel-Bulkley model is wed for the rheological characteristics of the grease. Based on the theoretical analysis and numerical calculation, the following influences on film thic...

متن کامل

Tribological Performance of a Polymer Blend of NBR Used for Stern Bearings

Nitrile-butadiene rubber (NBR) and another polymer with an excellent self-lubricating property are blended to develop a new kind of polymer used for water-lubricated stern bearings. The tribological performance of the new Polymer Blend of NBR (PBN), with the comparison of a rubber common used for most stern bearings, was studied using a stern bearing test rig of SSB-100. The results showed that...

متن کامل

Effect of Particulate Contamination in Grease-Lubricated Hybrid Rolling Bearings

Tlre preserrce oflrarrl corrtarnir~rrrIt.s in lubricated rolling bearing.~ is (I rrrrijor cr1~1.s~ of /~rel~rrrti~re failure, for exarnple by fatigue or I J ~ rrbr(r.sive rt~erlr of rolling el en rent.^, races or cages. However; tlre brtrotluctiorr of rtruclr Irorcler ceranzic (u.sually silicon nitride) balls or r01ler.s rurrrrirrg rlgnirzst steel races, in tlre lzybrid bearing concept, is like...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2012