AM4101 Automotive Chassis and Drive Line Systems Syllabus:
AM4101 Automotive Chassis and Drive Line Systems Syllabus – Anna University PG Syllabus Regulation 2021
COURSE OBJECTIVES:
To understand the basic knowledge about various vehicle frames, front axles, steering systems and understand the conditions for true rolling motion of wheels during steering.
To recognize the construction and working principle of drive line, final drive, differential and suspension systems
To review the knowledge about the constructional feature of rear axle, wheels, tyres and braking systems.
To impart knowledge on detailed concept, construction and principle of operation of various types of mechanical transmission components
To design and select Hydrodynamic Transmission for various applications
UNIT I CLUTCH & GEAR BOX
Different types of clutches and requirement of transmission system – Principle, construction, torque capacity and design aspects of friction clutches – Objective of the gear box -Different types of gear boxes-Determination of gear box ratios & design of gear box for different vehicle applications – Typical problems.
UNIT II DRIVE-LINE STUDY, FRONT AXLE & REAR AXLE
Propeller shaft, Universal joints, Final drive – Different types, double reduction and twin speed final drives – Rear axle construction – Full floating, three quarter floating and semi floating arrangements – Differential lock, Non-slip differential, Hotchkiss and torque tube drives – Effect of driving thrust and torque reaction, radius rods – Front axle construction, materials, constant velocity universal joint and front wheel geometry.
UNIT III STEERING, SUSPENSION, WHEELS AND BRAKING SYSTEM
Condition of true rolling motion of road wheels during steering- Ackermann and Davis steering – Different type of steering gear boxes and linkages – Hydraulic and Electronic power steering. Factors influencing ride comfort – Independent suspension- Rubber, pneumatic, hydro-elastic suspension, shock absorbers.
Construction of wheels and tyres – Braking torque developed by leading and trailing shoes – Disc brake theory – Factors affecting brake performance – Engine Exhaust Brake – Power brake- Regenerative braking – ABS.
UNIT IV HYDRO-DYNAMIC, HYDRO-STATIC & ELECTRIC DRIVES
Fluid coupling and Torque converters: Principle, construction and performance – Reduction of drag torque in fluid coupling – Converter couplings – Multi-stage and poly-phase torque converters – Construction and working principle of typical Janny hydro-static drive – Principle of early and modified Ward Leonard electrical control system – performance characteristics – advantages and limitations.
UNIT V AUTOMATIC TRANSMISSION, OVERDRIVE, HYDRAULIC CONTROL SYSTEMS AND APPLICATIONS
Ford-T model gear box – Wilson gear box – Cotal electromagnetic transmission, Chevrolet turbo glide transmission – Powerglide transmission – Mercedes Benz automatic transmission – Hydraulic control systems of automatic transmission.
TOTAL= 60 PERIODS
COURSE OUTCOMES:
At the end of this course the student will be able to
Identify the different types of frame and chassis used in Automotive.
Relate different types of drive lines,drives and braking systems used in Automotive.
Acquire knowledge about different types of front axle,rear axles and suspension systems used in motor vehicles.
Examine the usage of Hydrodynamic devices, hydrostatic devices, automatic transmission system
Understand Electric drive used in road vehicles automatic transmission system.
REFERENCES
1. Heldt. P. M., Torque converters, Chilton Book Co., 1992
2. Judge. A.W., Modern Transmission systems, Chapman and Hall Ltd., 1990
3. SAE Transactions 900550 & 930910
4. Crouse. W.H., Anglin. D.L, Automotive Transmission and Power Trains construction, McGraw Hill, 1976
5. Birch, Automotive Braking Systems, Thomson Asia, 1999
6. Birch, Automotive Chassis Systems, Thomson Asia, 2000
7. Birch, Automotive Suspension and Steering Systems, Thomson Asia, 1999
8. Newton, Steeds & Garrot, The Motor vehicle, SAE – Butterworths, India, 13th edition, 2001
9. Judge A.W., Mechanism of the car, Chapman and Halls Ltd., London, 1986
10. John Peter Whitehead, Donald Bastow, Car Suspension and Handling, 4th Edition, Allied publishers limited, SAE Department, 2004
11. Automotive Transmissions Authors: Naunheimer, H., Bertsche, B., Ryborz, J., Novak, W. Springer-2011.