iti 26 April 2025

CITS Machinist (Grinder) Trade Syllabus (English)

Overview

The CITS Machinist (Grinder) trade is a one-year program designed to train instructors to teach precision grinding and surface finishing skills in ITIs. Divided into two semesters, the course covers Trade Technology (theory and practical), Training Methodology, Engineering Drawing, Workshop Calculation & Science, and Soft Skills. It aligns with NSQF Level 5 standards, emphasizing advanced grinding operations, CNC grinding, and effective teaching methods. The syllabus adheres to the latest DGT guidelines for outcome-based learning.

Semester 1 Syllabus

Trade Technology - Theory

  • Introduction to CITS and Machinist (Grinder) Trade: Role of instructors, scope of the grinding industry, and trends (e.g., precision manufacturing, automation).

  • Safety and Standards:

    • Advanced workshop safety: Risk assessment, PPE usage, and machine guarding.

    • Compliance with IS, ISO, and ASME standards for grinding operations.

    • Safe handling of grinding wheels, coolants, and abrasive materials.

  • Engineering Materials:

    • Properties of metals, alloys, and composites for grinding applications.

    • Heat treatment effects on grindability: Hardening, tempering, and annealing.

  • Grinding Machines:

    • Types: Surface, cylindrical, centerless, and tool & cutter grinders.

    • Components: Spindles, wheel heads, and workholding devices.

  • Grinding Wheels:

    • Types: Vitrified, resinoid, and diamond/CBN wheels.

    • Wheel selection, balancing, and dressing techniques.

  • Precision Measurement:

    • Use of micrometers, vernier calipers, and surface roughness testers.

    • Geometric dimensioning and tolerancing (GD&T).

  • Grinding Operations:

    • Basic operations: Surface grinding, cylindrical grinding, and plunge grinding.

    • Parameters: Wheel speed, feed rate, and depth of cut.

  • Quality Control: Inspection of ground components for surface finish and dimensional accuracy.

Trade Technology - Practical

  • Implement advanced safety protocols in the grinding workshop (e.g., wheel guarding).

  • Select, balance, and dress grinding wheels for specific applications.

  • Operate surface and cylindrical grinders for precision tasks.

  • Use precision measuring tools (e.g., surface roughness testers, dial gauges).

  • Perform basic grinding operations: Surface, cylindrical, and plunge grinding.

  • Apply GD&T principles in grinding tasks.

  • Conduct heat treatment processes to prepare components for grinding.

  • Inspect ground components for dimensional accuracy and surface finish.

  • Document grinding processes and quality control results.

Training Methodology

  • Instructor Role: Lesson planning, teaching strategies, and student evaluation techniques.

  • Communication Skills: Clear verbal and non-verbal communication for effective training.

  • Classroom Management: Engaging diverse learners and ensuring discipline.

  • Instructional Aids: Using projectors, digital tools, and e-learning platforms.

  • Practical Training: Demonstrating grinding tasks, guiding practice, and providing feedback.

Semester 2 Syllabus

Trade Technology - Theory

  • Advanced Grinding Techniques:

    • Centerless grinding, creep-feed grinding, and profile grinding.

    • Tool and cutter grinding for complex geometries.

  • CNC Grinding Technology:

    • CNC grinding machines: Programming and operation.

    • G-code and CAM software for grinding toolpaths.

  • Surface Finishing:

    • Superfinishing and honing processes.

    • Achieving nano-level surface finishes.

  • Automation in Grinding:

    • Automated wheel dressing and in-process gauging.

    • Robotics for part loading/unloading in grinding setups.

  • Maintenance of Grinding Machines:

    • Predictive maintenance: Vibration analysis and spindle balancing.

    • Overhauling and retrofitting grinders.

  • Sustainable Grinding Practices:

    • Energy-efficient grinding processes.

    • Recycling of grinding swarf and coolants.

  • Entrepreneurship:

    • Starting a precision grinding business: Business plans, budgeting, and marketing.

    • Client acquisition and contract grinding services.

  • Industry 4.0 in Grinding:

    • IoT for real-time monitoring of grinding parameters.

    • AI for optimizing wheel life and defect prediction.

  • Legal and Ethical Issues: Intellectual property, safety regulations, and ethical machining practices.

Trade Technology - Practical

  • Perform advanced grinding: Centerless, creep-feed, and tool & cutter grinding.

  • Program and operate CNC grinding machines for complex components.

  • Execute superfinishing or honing for high-precision surfaces.

  • Implement automated wheel dressing and in-process gauging (if available).

  • Conduct predictive maintenance on grinders using vibration analysis.

  • Overhaul a grinding machine in a workshop setup.

  • Use IoT tools for monitoring grinding operations (if available).

  • Develop a business plan for a precision grinding service.

  • Document compliance with safety and ethical standards.

Training Methodology

  • Advanced Teaching Techniques: Micro-teaching, flipped classrooms, and blended learning.

  • Assessment and Evaluation: Designing tests, practical assessments, and grading systems.

  • Digital Tools: Using Learning Management Systems (LMS), virtual labs, and e-learning modules.

  • Mentoring: Supporting trainees in skill development and career planning.

  • Project-Based Learning: Guiding trainees to complete grinding projects (e.g., precision tool grinding).

Additional Components

Workshop Calculation & Science

  • Calculations: Wheel speed, feed rate, and surface finish calculations.

  • Science: Abrasive properties, metallurgy, and coolant chemistry.

Engineering Drawing

  • Drawing Basics: Detailed drawings of ground components and tooling.

  • Schematics: Grinding wheel profiles and workholding setups.

Soft Skills & Employability Skills

  • Communication: Client consultations, report writing, and technical presentations.

  • Leadership: Managing grinding teams and production workflows.

  • Time Management: Meeting machining and project deadlines.

Assessment

  • Internal Assessment: Continuous evaluation through assignments, practicals, and tests.

  • Final Examination: Theory and practical exams conducted by NCVT at year-end.

  • Project Work: Complete a grinding project (e.g., producing a precision-ground component) and a teaching demonstration.

Trade Type