B. Tech in Mechanical Engineering with specialization in Robotics and Automation

TRIBOLOGY

 GRAPHIC ERA (DEEMED TO BE UNIVERSITY), DEHRADUN

  NAME OF DEPARTMENT:        Department of Mechanical Engineering

  1. Subject Code: TME 815
  2. Course Title: TRIBOLOGY

 

3.     Contact Hours:    L: 3                             T:  0                             P: 0

 

4.     Examination Duration (Hrs.):        Mid- 1.5                                   End- 3

 

 

5.     Relative Weightage: MSE -25                      ESE - 50                TSM-25

 

6.     Credits:         3                  7. Semester: VIII                     8. Subject Area: DE

 

       9. Pre-requisite:       Mechanics

 

10. Course Outcomes:

Course Outcome 1: Understanding of the interdisciplinary subject ‘Tribology’ and its significance.

Course Outcome 2: Understand the friction and analyse the friction measurement methods.

Course Outcome 3: Describe the consequences of wear, wear mechanisms and analysis of wear problems.

Course Outcome 4: Describe the principles of lubrication and theories of hydrodynamic lubrication.

Course Outcome 5: Analyse the general requirements of bearing and study the classification of bearing.

Course Outcome 6: Analyse the Hydrostatic step bearing and discuss the Petroff’s equation.

 

 

 

 

11.Details of Course:

 

Unit No.

Contents

Contact Hours

1.

INTRODUCTION

Introduction to Tribology, system and its properties, Viscosity and its variation for different fluids, absolute and kinematic viscosity, temperature variation, viscosity index determination, different viscometers.                  

06

2.

FRICTION

Role of friction and laws of static friction, theories of friction, Laws of rolling friction, Friction of metals and non-metals, Friction measurements methods.

06

3.

WEAR

Definition and mechanism of wear, types and measurement of wear, friction affecting wear, Theories of wear, Wear of metals and non-metals.

Lubricants, function and properties of lubricants.                                         

06

4.

HYDROSTATIC LUBRICATION

Principle of hydrostatic lubrication, General requirements of bearing materials, bearing materials, hydrostatic step bearing, applications to pivoted pad thrust bearing and other applications.                            

06

5.

HYDRODYNAMIC LUBRICATION

Principle of hydrodynamic lubrication, Petroff’s equation, Reynold’s equation in two and three dimensions, Effects of side leakage, Minimum oil film thickness, Oil whip and whirl, Anti-friction bearing, Hydrodynamic thrust bearing. Air/gas lubricated bearing.

08

 

Total

32

 

   12.Suggested Books:

 

S. No.

Name of Authors /Books /Publisher

1.

 Fundamentals of Tribology, Basu, Sen Gupta and Ahuja, PHI

2.

Tribology in Industry: Sushil Kumar Srivastava, S. Chand &Co.

3.

 Tribology - B.C. Majumdar

Course Outcome 1: To learn basics manufacturing simulation software
Course Outcome 2: Learn to make programs for CNC lathe machine by using manufacturing
simulation software
Course Outcome 3: Learn to make programs for CNC Milling machine by using manufacturing
simulation software
Course Outcome 4: To learn basic of production process simulation software

Advanced welding incorporates current technologies into the fabrication process in addition to the fundamental manual welding skills. Adding tools and machinery to the mix may be necessary to utilize modern technologies. Advanced technical and welding skills are possessed by welders with this kind of training.