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This is to certify that the work in this Thesis Report entitled “Computer Aided design of Jaw Crusher” by Sobhan Kumar Garnaik has been carried out under my supervision in partial fulfillment of the requirements for the degree of Bachelor of Technology in Mechanical Engineering during the session 2009-10 in the Department of Mechanical Engineering, National Institute of Technology, Rourkela, and this work has not been submitted elsewhere for a degree. 23569
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To the best of my knowledge the matter embodied in this thesis has not been submitted elsewhere for the award of any degree/diploma.
I would like to express my sincere gratitude to Prof. N. Kavi,
Department of Mechanical Engineering for his guidance and help
extended at every stage of this work. I am deeply indebted to him for
giving me a definite direction and support to complete my project successfully.
I am also thankful to Dr. R. K. Sahoo , Professor and Head,
Department of Mechanical Engineering, N.I.T Rourkela for extending
support to complete the project effectively.
Last, but not the least I extend my sincere thanks to other
professors and lectures of the Department of Mechanical Engineering for
their guidance in the various ways for complete this project report.
Abstract
List of figures and graphs
List of tables
Chapter 1 Basics of Jaw crusher
1.1 Introduction 1
1.2 Types of Jaw Crusher 3
1.3 Working Principle 5
1.4 Crusher Size and Power Rating 6
1.5 Components of jaw Crusher 7
1.5.1 Crusher frame 7
1.5.2 Jaw stock 7
1.5.3 Pitman 7
1.5.4 Manganese Liners 7
1.5.5 Fixed jaw plate 9
1.5.6 Eccentric shaft 9
1.5.7 Toggle bar 9
1.5.8 Tension rod 10
1.5.9 Shaft bearings 10
1.6 Material for components of jaw crusher 11
Chapter 2 Kinematic analysis of jaw crusher
2.1 Introduction 12
2.2 Swinging jaw motion 13
2.3 Derivation for Displacement of any point on the moving jaw plane 16
2.3.1 Matlab Program for Displacement 16
2.3.2 Interpretation of the graphs 20
2.4 Derivation for Velocity of any point on the moving jaw plane 20 2.4.1 Matlab Program for Velocity 20
2.4.2 Interpretation of the graphs 23
2.5 Derivation for Acceleration of any point on the moving jaw plane 24
2.5.1 Matlab Program for Acceleration 24
2.5.2 Interpretation of the graphs 27
Chapter 3 Effects of sliding motion on Jaw plate wear
3.1 Breakage analysis 28
3.2 Crushing Process 29
3.3 Wear Analysis 31
Chapter 4 Design of flywheel for Jaw crusher
4.1 Flywheel 32
4.2 Role of flywheel in a jaw crusher 32