iti 10 April 2025

ITI Draughtsman (Mechanical) Trade Syllabus 

The ITI "Draughtsman (Mechanical)" trade is a two-year vocational training program under the Craftsman Training Scheme (CTS), governed by the National Council for Vocational Training (NCVT). This course equips trainees with skills in preparing detailed technical drawings, blueprints, and 3D models of mechanical parts and assemblies using manual drafting techniques and Computer-Aided Design (CAD) software. The syllabus integrates theoretical knowledge, practical drafting skills, and employability training to prepare students for roles such as mechanical draughtsmen, CAD operators, or design assistants in engineering and manufacturing industries.

Course Overview

  • Duration: 2 years (4 semesters, each 6 months)
  • NSQF Level: Level 5
  • Eligibility: Minimum 10th grade pass with Science and Mathematics (or equivalent)
  • Objective: To train individuals in producing accurate mechanical drawings and designs that meet industry standards, facilitating the manufacturing and assembly of mechanical systems.

Detailed Syllabus Breakdown 

1. Trade Theory (Theoretical Knowledge)

Covers foundational concepts in mechanical drafting and engineering design.

  • Semester 1
    • Introduction to Draughtsmanship
      • Role and importance of a mechanical draughtsman.
      • Overview of engineering drawing: types, purposes, and standards.
      • Introduction to BIS (Bureau of Indian Standards) and ISO conventions.
    • Drawing Instruments and Tools
      • Use of drawing tools: compass, set squares, protractors, T-square.
      • Drafting materials: paper sizes, pencils, erasers, scales.
      • Maintenance and care of drafting equipment.
    • Basic Engineering Concepts
      • Fundamentals of mechanics: force, motion, friction.
      • Materials science: properties of metals, alloys, and non-metals.
      • Units and measurements: metric and imperial systems.
    • Geometric Construction
      • Lines, angles, circles, polygons, and their construction.
      • Orthographic projection: first-angle and third-angle projections.
      • Dimensioning: rules, symbols, and conventions.
    • Safety and Workshop Practices
      • Workplace safety: handling tools, machinery, and materials.
      • Importance of accuracy and precision in drafting.
  • Semester 2
    • Mechanical Components
      • Introduction to machine elements: bolts, nuts, screws, gears, bearings.
      • Sectional views: types, hatching conventions.
      • Assembly drawings: exploded views, parts list.
    • Advanced Projections
      • Isometric and oblique projections for 3D visualization.
      • Auxiliary views and their applications.
      • Tolerances and fits: types (clearance, interference), symbols.
    • Workshop Technology
      • Manufacturing processes: casting, forging, machining, welding.
      • Reading and interpreting workshop drawings.
      • Basics of heat treatment and surface finishing.
    • Introduction to CAD
      • Overview of Computer-Aided Design (CAD) software (e.g., AutoCAD).
      • Basic commands: line, circle, trim, dimensioning.
      • File management: saving, printing, and plotting drawings.
  • Semester 3
    • Advanced CAD Techniques
      • 2D drafting in CAD: layers, blocks, annotations.
      • Introduction to 3D modeling: extrude, revolve, sweep commands.
      • Creating detailed mechanical drawings using CAD software.
    • Machine Drawing
      • Detailed drawings of machine parts: shafts, pulleys, couplings.
      • Assembly drawings of simple machines (e.g., pumps, valves).
      • Surface texture symbols and geometric dimensioning and tolerancing (GD&T).
    • Strength of Materials
      • Basics of stress, strain, and deformation.
      • Load-bearing capacity of mechanical components.
      • Factor of safety in design.
    • Blueprint Reading
      • Interpreting complex mechanical blueprints.
      • Understanding welding symbols and piping layouts.
  • Semester 4
    • Advanced Machine Design
      • Design of power transmission systems: belts, chains, gears.
      • Drawing of jigs, fixtures, and press tools.
      • Basics of hydraulic and pneumatic systems in drawings.
    • 3D Modeling and Rendering
      • Advanced 3D modeling in CAD: assemblies, simulations.
      • Rendering techniques for realistic presentation.
      • Introduction to CAM (Computer-Aided Manufacturing) integration.
    • Project Management
      • Planning and executing drafting projects.
      • Cost estimation and material selection for designs.
      • Collaboration with engineers and manufacturers.
    • Emerging Trends
      • Introduction to Industry 4.0 and smart manufacturing.
      • Basics of reverse engineering and rapid prototyping.

2. Trade Practical (Hands-On Skills)

Focuses on practical drafting and design skills.

  • Semester 1
    • Manual Drafting
      • Drawing geometric shapes and orthographic projections.
      • Preparing simple part drawings with dimensions.
      • Practicing lettering and title block creation.
    • Tool Handling
      • Using drawing instruments for accurate constructions.
      • Setting up drawing sheets with borders and title blocks.
    • Basic Projections
      • Creating first-angle and third-angle projection drawings.
      • Drawing sectional views of simple objects.
  • Semester 2
    • Component Drawing
      • Drawing mechanical components: bolts, gears, bearings.
      • Preparing assembly drawings with parts lists.
      • Practicing isometric views of simple objects.
    • CAD Basics
      • Creating 2D drawings using AutoCAD (lines, circles, etc.).
      • Adding dimensions and annotations in CAD.
      • Printing and plotting CAD drawings.
  • Semester 3
    • Advanced CAD Practice
      • Drafting complex 2D drawings with layers and blocks.
      • Creating 3D models of mechanical parts (e.g., shafts, gears).
      • Assembling components in CAD software.
    • Machine Drawing
      • Preparing detailed drawings of machine assemblies (e.g., pumps).
      • Adding tolerances and GD&T symbols to drawings.
      • Drawing sectional views of complex parts.
  • Semester 4
    • Advanced Design
      • Designing power transmission systems (e.g., gear trains).
      • Drafting jigs, fixtures, and tool drawings.
      • Creating hydraulic/pneumatic system layouts.
    • 3D Modeling
      • Building 3D assemblies with moving parts in CAD.
      • Rendering models for presentations.
      • Simulating basic mechanical movements.
    • Project Work
      • Designing and drafting a complete mechanical system (e.g., small machine).
      • Preparing a project report with drawings and specifications.

3. Workshop Calculation and Science

Provides mathematical and scientific support for drafting tasks.

  • Semester 1
    • Basic arithmetic: fractions, decimals, percentages for measurements.
    • Geometry: properties of triangles, circles, and polygons.
    • Physics: force, pressure, and energy basics.
  • Semester 2
    • Trigonometry: sine, cosine, tangent for angle calculations.
    • Algebra: solving equations for design parameters.
    • Material science: thermal expansion, hardness properties.
  • Semester 3
    • Strength of materials: stress-strain calculations.
    • Mensuration: area, volume of complex shapes.
    • Mechanics: torque, power transmission calculations.
  • Semester 4
    • Advanced calculations: gear ratios, pulley systems.
    • Fluid mechanics: basics of pressure and flow in systems.
    • Statistics: tolerance analysis and quality control.

4. Engineering Drawing

Focuses on technical drawing skills for mechanical designs.

  • Semester 1: Drawing basic orthographic and geometric constructions.
  • Semester 2: Preparing sectional and isometric drawings of components.
  • Semester 3: Drafting detailed machine part and assembly drawings.
  • Semester 4: Creating complex 3D drawings and system layouts.

5. Employability Skills

Enhances job readiness and soft skills.

  • Semester 1 & 2
    • Communication skills: technical report writing, team interaction.
    • Time management: meeting drafting deadlines.
    • Basic IT skills: using CAD software and MS Office.
  • Semester 3 & 4
    • Entrepreneurship: starting a drafting service business.
    • Resume writing and interview preparation.
    • Professional skills: collaborating with engineers and clients.

Assessment and Certification

  • Examinations: Conducted semester-wise with theoretical and practical components.
  • Certification: Successful candidates receive the National Trade Certificate (NTC) from NCVT, recognized nationally and internationally.
  • Evaluation: Based on drawing accuracy, CAD proficiency, theoretical understanding, and project work.

Career Opportunities

  • Employment: Mechanical draughtsman, CAD operator, design assistant in manufacturing, automotive, or engineering firms.
  • Self-Employment: Freelance drafting services, small design consultancy.
  • Further Studies: Diploma in Mechanical Engineering, advanced CAD/CAM courses.

Note

  • This syllabus aligns with the latest NCVT guidelines and may vary slightly based on institutional or state-specific requirements.
  • For the most current version, refer to the Directorate General of Training (DGT) website (dgt.gov.in) or consult your local ITI.

Trade Type

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