Successfully completed Fitter Trade – 1st Year
Limits, Fits & Tolerances
Types of fits: Clearance, interference, transition
Allowance, tolerance and fundamental deviations
Gauging and limit systems
Surface Finish and Measurement
Importance of surface roughness
Measuring instruments: Feeler gauges, dial test indicators
Lapping, honing, and grinding
Interchangeability and Quality Control
Importance in mass production
Inspection tools and quality checks
Basic concepts of ISO and BIS standards
Machine Fitting & Dismantling
Precision fitting of machine parts
Keys, cotters, couplings, and bearing fitting
Dismantling and assembling of pumps, gearboxes, and valves
Maintenance and Repair
Preventive and breakdown maintenance
Lubrication, alignment, and fault detection
Tools for maintenance: Pullers, hydraulic jacks, torque wrenches
Advanced fitting operations (slots, angular fittings)
Key and cotter joint fitting with accuracy
Machine part dismantling and reassembly (e.g., valves, pumps)
Surface plate inspection and limit gauge usage
Preventive maintenance of mechanical equipment
Lathe Machine Basics
Parts of lathe and working principle
Turning, facing, threading, taper turning
Cutting speed, feed, and depth of cut
Pipe and Tube Fitting
Types of pipes: GI, PVC, MS
Pipe cutting, threading, bending, and jointing
Pipe vice, threading dies, wrenches
Basic Welding and Fabrication
Arc/gas welding techniques for fabrication
Welding symbols and drawing interpretation
Sheet metal bending, marking, and joining
Hydraulics and Pneumatics (Intro)
Basic working principles
Hydraulic pumps, actuators, pressure valves
Pneumatic cylinders and air compressors
Practice on lathe turning, facing, grooving
Pipe threading and pipe layout installation
Welding of basic joints (lap, T-joint, corner joint)
Hydraulic jack dismantling and reassembly
Final project: Fabrication and fitting of a working model (e.g., hand pump, trolley, vice)
Angular measurement, simple machine calculations
Tolerances, fits, and limits
Speed, feed, and machining calculations for lathe
Pipe volume and pressure calculations
Mechanical advantage and efficiency
Lathe part drawing and symbols
Pipe fitting layout and assembly drawing
Welding symbols and fabrication sketching
3-view orthographic projection
Reading machine part drawings
Resume writing and industrial interview preparation
Leadership and decision-making
Entrepreneurship in fabrication/fitting services
Digital tools for project documentation
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Course Code : M-ITIMM02
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