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Tractor Systems & Controls

Tractor Systems & Controls

Teacher

Sharmistha Sahu

Category

Core Courses

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Course Name : Tractor Systems and Controls

Code(Credit) : CUTM1132(2-1-0)

Course Objectives

  • To enable the students for acquiring knowledge pertaining to systems like transmission system,steering and brake system,power outlets like P.T.O.& draw-bar,stability testing of tractor and ergonomics with a view of current trades.

Course Outcomes

  • CO1. Provide employability by Gaining knowledge about various tractor systems, their construction and working (PO1,PO12).
    CO2. Enhancing employability & higher study scope in tractor chassis design and traction theory(PO1, PO2,PO6,PO12).
    CO3.Increase skills of students by study of ergonomial and safety considerations in Tractor(PO1, PO2,PO6,PO12)

    Programme Outcomes (POs)

    PO1 (Engineering knowledge): Apply the knowledge of mathematics, science, engineering fundamentals, and to understand and solve the complex agricultural engineering problems.
    PO2 (Problem analysis): Identify, formulate, review literature and analyze agriculture engineering problems to design, conduct experiments, analyze data and interpret data.
    PO6 (The engineer and society): Apply reasoning informed by the contextual knowledge to assess societal, health, safety, legal and cultural issues and the consequent responsibilities relevant to agricultural engineering practice
    PO11 (Project Management and finance): Demonstrate knowledge & understanding of the agricultural engineering principles and management principles and apply these to one’s own work, as a member and leader in a team, to manage projects and in multidisciplinary environments in agricultural engineering
    PO12 (Life- long learning): Recognize the need for, and have the preparation and ability to engage in independent and lifelong learning in the broadest context of technological change pertaining to agricultural engineering.

Course Syllabus

Module-I (7 hours)
Discuss about latest development of tractor, Introduction to transmission systems, working principles of Clutch & construction, Analysis & Calculations of number of clutch plates of Clutch. Types and construction details of gear boxes. Working principle of gear change and gear shifting. Working principle of differential system and its construction. Details about final drive.
Practice :( 6 Hours)
• Showing the cut section model of a tractor to acquaint with the operation of various systems of tractor &study of latest developments in tractor
• Introduction to transmission systems and components
• Study of clutch functioning, parts and different types of gear box
Module-II (8hours)
Types and construction details of brake system. Working principle of different brakes. Steering system _ Necessity, Steering Geometry. Analysis of steering-Turning radius and true rolling condition. Working principle and basic components of hydraulic system. Types of hydraulic systems, hitch and control board of tractor hitch. Hydraulic steering. Tractor power outlets-study of P.T.O. and standards.
Practice: (6 Hours)
• Study of brake systems and some design problems
• Steering geometry adjustments and Toe-in and toe out determination
• Study of hydraulic systems in a tractor

Module-III (5hours)
Tractor tyres and Determination of Centre of Gravity of wheeled and track type tractors on level ground. Traction and related definitions, mechanics of a rigid wheel (traction and towed). Analysis of tractor in static conditions. Ergonomics considerations of tractor design. Operational safety features of tractor.
Practice(1 Hour):
• Tractor driving

Suggested Reading:

Tractor and its power units, Author-Liljedahl J B and Others

Farm Tractors, Author- S.C Jain and C.R. Rai.

Elements of Agricultural Engineering, Author- J. Sahay.

A numerical approach in agricultural engineering by Sanjaya Kumar

Session Plan

Session 1(1+2=3 Hours)

Discuss about latest trandes of tractor and different systems.

PDF:1.1 FARM TRACTOR study material

Tractor parts and its functions video

Farm tractors video

PRACTICE(2 Hours)

Study and presentation of the cut section model of a tractor to acquaint with the operation of various systems of tractor &study of latest developments in tractor.

John deere| E Cut model Training video

Tractor latest Innovations video

Tractor Driving

Session 2(1+2=3 Hours)

Introduction to transmission systems.

PDF:1.2 POWER TRANSMISSION SYSTEM STUDY MATERIAL

Transmission system video

PRACTICE(2 Hours)

Presentation of transmission systems and components.

Power transmission system video

Session 3(1+2=3 Hours)

Working principles of Clutch & construction, Analysis & Calculations of number of clutch plates of Clutch

PDF:1.3 WORKING PRINCIPLE & CONSTRUCTION OF CLUTCH STUDY MATERIAL

How clutch works! Video

Types of clutch Video

Parts and function of clutch Video

PRACTICE(2 Hours)

Study of clutch functioning, parts.

How a clutch works. (3D Animation)video.

Study of different types of gear box.

Gear System of Mahindra 275 di video

Session 4(1 Hour)

Session 5(1 Hour)

Working principle of gear change and gear shifting.

PDF:1.5 SYNCHROMESH GEAR STUDY MATERIAL

Gear sifting work video

Session 6(1 Hour)

Working principle of differential system and its construction .

PDF:1.6 DIFFERENTIAL AND FINAL DRIVE study material

Differential & Differential lock working video

Session 7(1 Hour)

Details about final drive.

TYPES OF FINAL DRIVE & WORK video

Session 8(1+2=3 Hours)

Types and construction details of brake system.

PDF:2.1 BRAKE SYSTEM study material

Braking System video

PRACTICE(2 Hours)

Study of brake systems and some design problems
.

How to Adjust the brakes in Farm-trac Tractor video

Session 9(1 Hour)

Working principle of different brakes.

How different brakes work! video

Session 10(1+2=3 Hours)

Steering system:Necessity, Steering Geometry.

PDF:2.2 Steering system study material

Steering Wheel System Animation video

PRACTICE(2 Hours)

Steering geometry adjustments and Toe-in and toe out determination
.

Steering Basics : Camber | Caster | Toe-in | Toe-Out working video

Session 11(1 Hour)

Analysis of steering-Turning radius and true rolling condition.

Tractor Steering system video

Session 12(1 Hour)

Working principle and basic components of hydraulic system.

PDF:2.3 HYDRAULIC SYSTEM study material

How basic hydraulic circuit and components work video.

Session 13(1+2=3 Hours)

Types of hydraulic systems, hitch and control board of tractor hitch.

Understanding 3-Point Hitch System & hitch system video

PRACTICE(2 Hours)

Study of hydraulic systems in a tractor
.

Hydraulic Power Steering System Animation Working video

Session 14(1 Hour)

Hydraulic steering.

Hydraulic steering working video

Session 15(1 Hour)

Tractor power outlets-study of P.T.O. and standards.

PDF:2.4 TRACTOR HITCH study material

Tractor power outlet video

Session 16(1 Hour)

Tractor tyres and Determination of Centre of Gravity of wheeled and track type tractors on level ground.

PDF: 3.1 tractor tyres study material

TRACTOR CENTER OF GRAVITY & MOMENT OF INERTIA video

Session 17(1 Hour)

Traction and related definitions, mechanics of a rigid wheel (traction and towed).

PDF:3.2 Traction Theory study material

Traction Theory and Tractive Efficiency video

Session 18(1 Hour)

Analysis of tractor in static conditions.

Analysis of tractor (longitudinal) video

Session 19(1 Hour)

Ergonomics considerations of tractor design.

Human Factors in Tractor Design Lecture video

Session 20(1+1=2 Hours)

Operational safety features of tractor.

PDF:3.3 Tractors operational safety study material

Operation safety of tractor(Ergonomics) video

PRACTICE(1 Hour)

Tractor Driving Practice Study

Our Main Teachers

Sharmistha Sahu

Assistant Professor
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Farm Machinery and Power