1. PRINSIP TRIBOLOGI DRY SLIDING FLUID-FILM LUBRICATION -Hydrodynamic Lubrication - Squeeze Film Lubrication - Pressurized Lubrication ELASTODYDRODYNAMICS LUBRICATION (EHL) - Hard EHL - Soft EHL

2. DRY SLIDING W U1 U2

3. W U1 U2 - Graphite - Molibdenum Disulfide - PTFE Plastic - Sulfur or Phosphorus-rich Layer

4. Fluid-Film Lubrication Hydrodynamic Lubrication W W Journal Bearing Thrust Bearing

5. LoadLoad on Projected Area LubricantM.Papsi Oil - Steady Radial Load1.4 - 2.8200 - 400 - Steady Thrust Load2.1 - 4.8300 - 700 - Shock and Dynamic Loads17 - 342500 - 5000 Water0.2 - 0.325 - 50 Air0.023 Bearing Oil Lubricated - Steady Load - Electric Motor1.4200 - Turbine2.1300 - Rail Road Car Axles2.4250 - Dynamic Load - Automobile Engine Main Bearing243500 - Automobile Connecting-rod Bearing345000 - Stell Mill Roll Necks345000 - Water0.230 - Air Bearing0.023 Hydrodynamic Load

6. Squeeze Film Oscillating Load

7. Pressurized Feed Load

8. Ball Bearing Contact Point

9. Elastohydrodynamic Lubrication Distribusi Tekanan Distribusi Film Thickness

10. Boundary Lubrication Severity N and Viscosity Pressure Insufficient Oil Film Contact Area Deforfation & Temperature Coeff.of Friction

11. .N/p Coeff. Of Friction, f Full Film Mixed Boundary Lubrication 0.001 0.03 0.1