Here’s the complete expanded list of all 150 project titles, organized into categories for better readability and reference. Each project is formatted consistently, with key highlights for context where needed.
150 Mini Projects for Mechanical Engineering Students
1. Automotive & Vehicle Systems
This project aims to assist drivers in reversing vehicles safely by detecting obstacles using infrared (IR) sensors. When the vehicle is in reverse gear, IR sensors mounted on the rear bumper scan for obstacles.
If an object is detected within a certain range, an audible alarm alerts the driver. The methodology involves integrating IR sensors with a microcontroller (such as Arduino) that processes sensor data and triggers a buzzer or LED warning system.
Emergency Braking System (EBS) for Four-Wheelers
The EBS is designed to automatically apply brakes in emergency situations to prevent collisions. It uses ultrasonic or radar sensors to detect obstacles ahead.
When a potential collision is detected, the system overrides manual braking and applies maximum brake force.
The methodology includes sensor integration with the vehicle’s braking system via an Electronic Control Unit (ECU) and hydraulic actuators.
Intelligent Braking System (IBS) for Four-Wheelers
An advanced version of EBS, IBS incorporates machine learning to predict collision risks based on vehicle speed, distance to obstacles, and road conditions.
It uses a combination of LiDAR, cameras, and radar for precise detection. The methodology involves real-time data processing using an embedded system (like Raspberry Pi) and adaptive braking algorithms.
Auto-Braking System for Four-Wheelers
Similar to IBS but with a focus on automation, this system applies brakes without driver intervention when a collision is imminent.
It relies on proximity sensors and a microcontroller to engage the braking mechanism. The methodology includes testing with servo motors simulating brake pedals in a prototype vehicle.
Electromagnetic Braking System (EMBS)
This system replaces traditional friction brakes with electromagnetic induction to slow down vehicles.
When activated, an electromagnetic field creates resistance in the rotating wheels, reducing speed.
The methodology involves designing electromagnets, a power supply circuit, and testing on a small-scale vehicle model.
Super Magnetic Braking System
An enhancement of EMBS, this system uses high-strength neodymium magnets for faster deceleration.
The methodology includes magnetic field optimization and heat dissipation analysis to prevent overheating.
Anti-Lock Braking System (Low-Cost Model)
A simplified ABS that prevents wheel lock-up during sudden braking. It uses wheel speed sensors and a microcontroller to modulate brake pressure.
The methodology involves simulating brake pulses using solenoid valves in a hydraulic circuit.
Automatic Brake Failure Indicator
This system alerts the driver if brake fluid pressure drops or brake pads wear out. A pressure sensor monitors the hydraulic system, and an LED/Wi-Fi notification is sent if failure is detected.
The methodology includes sensor calibration and integration with a dashboard display.
Automatic Magnetic Train Accident Preventer
Designed for railways, this system uses magnets and sensors to detect track obstructions or derailments.
If an anomaly is detected, it triggers an emergency brake. The methodology involves electromagnetic track sensors and a centralized control unit.
Catalytic Converter for Automobiles
This project focuses on reducing harmful emissions by converting exhaust gases (CO, NOx) into less toxic substances (CO₂, N₂) using a platinum-palladium catalyst. The methodology includes designing a heat-resistant ceramic honeycomb structure coated with catalytic material.
CO₂ Emission Tester for Automobiles
A portable device that measures CO₂ levels in exhaust gases using an infrared gas sensor.
The methodology involves calibrating the sensor with known gas concentrations and displaying results on an LCD.
Digital Gear Level Indicator for Automobiles
This system displays the current gear position (for manual transmissions) using a rotary encoder and LED display.
The methodology includes mounting the encoder on the gear lever and programming a microcontroller to interpret signals.
Digital Fuel Level & Mileage Indicator
An advanced fuel gauge that also estimates remaining mileage based on driving patterns. It uses a float sensor in the fuel tank and a microcontroller to calculate consumption.
The methodology involves data logging and algorithm development for accurate predictions.
Tyre Pressure Monitoring System
Wireless sensors inside each tire transmit pressure data to a dashboard display. The methodology includes RF communication protocols and low-power sensor design for long battery life.
Automatic Pneumatic Bumper for Four-Wheelers
In a collision, pneumatic cylinders extend bumpers to absorb impact. Proximity sensors detect obstacles, and a solenoid valve activates the cylinders.
The methodology involves pressure testing and response time optimization.
Automatic Headlight Alignment System
Uizes accelerometers to detect vehicle tilt and adjusts headlight angle accordingly. The methodology includes servo motor control for dynamic beam adjustment.
Solar-Powered Auto Headlight Dim/Bright Controller
Light-dependent resistors (LDRs) detect ambient light, and a relay switches between high/low beams. Solar panels power the system.
The methodology involves LDR calibration and power efficiency testing.
Anti-Dazzling Headlight for Two-Wheelers
Automatically dims high beams when oncoming traffic is detected using photodiodes. The methodology includes optical filtering to reduce false triggers.
Side Stand Retriever System for Two-Wheelers
A motorized mechanism retracts the side stand when the bike starts moving. A tilt sensor detects motion, and a DC motor pulls the stand up. The methodology includes gear ratio optimization for smooth operation.
Manual Operated Spoiler in a Vehicle
A driver-controlled spoiler improves aerodynamics at high speeds. The methodology involves wind tunnel testing to determine optimal spoiler angles.
Automatic Side Stand with Brake Locking System
Prevents bike movement if the side stand is deployed. A microswitch disables ignition if the stand is down. The methodology includes fail-safe circuit design.
Remote-Controlled Car/Bus Door Open/Close Mechanism
An RF-based system allows doors to be operated remotely. The methodology includes servo motor integration and signal encryption for security.
Vehicle Ignition Using RFID Smart Card
Only authorized RFID cards can start the vehicle. The methodology involves RFID reader integration with the ignition circuit.
Digital Locking (Fuel/Ignition) via Password for Two-Wheelers
A keypad-based security system prevents unauthorized use. The methodology includes EEPROM storage for password retention.
Two-Wheeler Automation with Security System
Combines GPS tracking, RFID ignition, and anti-theft alarms. The methodology involves GSM module integration for remote alerts.
Foot-Operated Hydraulic Lifting System
A hydraulic jack operated by foot pedals for easy vehicle lifting. The methodology includes pump efficiency testing.
Quick Lifting Jack with Gear Arrangement
A gear-driven jack reduces effort needed to lift vehicles. The methodology involves torque calculation and gear tooth profiling.
Motorized Hydraulic Jack
An electric motor powers a hydraulic pump for automatic lifting. The methodology includes load capacity testing.
Automatic Pneumatic Jack
Compressed air lifts the vehicle. The methodology involves pneumatic circuit design and pressure regulation.
Button-Operated Hydraulic Jack
Push-button control for hydraulic lifting. The methodology includes solenoid valve selection.
Universal Power Automatic Jack
Works with both electric and manual operation. The methodology includes clutch mechanism design.
Pneumatic Scissor Jack for Loading Vegetables
A portable jack for loading/unloading goods. The methodology involves lightweight material selection.
Hydraulic Fork Lift
A mini forklift for warehouses. The methodology includes stability testing under load.
Hydraulic Pallet Truck
Moves pallets using hydraulic power. The methodology includes wheel friction analysis.
Hydraulic Tail Stock
Supports long workpieces in lathes. The methodology includes alignment precision testing.
Hydraulic Floor Crane
Lifts heavy objects in workshops. The methodology includes boom strength calculations.
Hydraulic Vehicle Turn Table
Rotates vehicles for maintenance. The methodology includes bearing load capacity analysis.
2. Mechanical Fabrication & Machines
Fabrication of Rotary Gear Pump
A positive displacement pump for fluids. The methodology involves gear tooth optimization for minimal leakage.
Fabrication of Fuel Injector Testing Equipment
Tests injector spray patterns and flow rates. The methodology includes high-pressure fluid control.
Fabrication of Sand Slinger
A machine for mold-making in foundries. The methodology includes centrifugal force analysis.
Fabrication of Tool Post Grinder
Attaches to lathes for precision grinding. The methodology includes spindle alignment checks.
Fabrication of Manual Pipe Bending Machine
A lever-operated bender for metal pipes. The methodology includes die design for different radii.
Fabrication of Gear Tooth Grinding Machine
Ensures precise gear profiles. The methodology involves abrasive wheel selection.
Fabrication of Twin Spindle Drill Holder
Drills two holes simultaneously. The methodology includes spindle synchronization.
Fabrication of Multi-Drill Holder
Holds multiple drill bits for sequential operations. The methodology includes quick-change mechanism design.
Fabrication of Chain Tightener
Maintains chain tension in machinery. The methodology includes spring force calibration.
Fabrication of Spark Plug Cleaner & Tester
Uses sandblasting to clean plugs. The methodology includes pressure regulation for testing.
Fabrication of Metal Crack Detector
Uses ultrasonic waves to detect flaws. The methodology includes signal processing algorithms.
Fabrication of Pneumatic Horn Machine
A loud horn powered by compressed air. The methodology includes diaphragm material testing.
Fabrication of Pneumatic Drill Jig
Guides drills for accurate hole placement. The methodology includes clamp force analysis.
Fabrication of Pneumatic Tail Stock
Automates workpiece support in lathes. The methodology includes air cylinder sizing.
Fabrication of Pneumatic Garage Door Opener
Remote-controlled door operation. The methodology includes safety sensor integration.
Fabrication of Pneumatic Gripper
Picks and places objects using air pressure. The methodology includes grip force optimization.
Fabrication of Pneumatic Quick Return Mechanism
Converts rotary to reciprocating motion. The methodology includes linkage ratio calculations.
Fabrication of Pneumatic Multipurpose Machine
Performs drilling, grinding, and cutting. The methodology includes modular tool attachment design.
Fabrication of Hydraulic Power Clamping Vice
Holds workpieces with hydraulic pressure. The methodology includes pressure relief valve testing.
Fabrication of Angle Holding Double Jaw Vice
Secures angled workpieces. The methodology includes jaw surface texture analysis.
Fabrication of Tilting & Swivel Vice
Adjusts to multiple angles. The methodology includes ball joint durability testing.
Fabrication of Cam Vice
Uses cam mechanisms for quick clamping. The methodology includes cam profile optimization.
Fabrication of Universal Tapping Machine
Threads holes in various materials. The methodology includes tap wear analysis.
Fabrication of Lathe Coolant Pump
Circulates coolant during machining. The methodology includes flow rate calibration.
Fabrication of Spring Separator
Sorts springs by size. The methodology includes vibration frequency tuning.
Fabrication of Spring Loaded Fan
Automatically adjusts fan speed. The methodology includes spring tension testing.
Fabrication of Bucket Wheel Escalator
Moves bulk materials continuously. The methodology includes bucket capacity calculations.
Fabrication of Sand Mixer
Prepares foundry sand uniformly. The methodology includes mixing blade design.
Fabrication of Sand Collecting Vehicle
Cleans sand from construction sites. The methodology includes suction power optimization.
Fabrication of Abrasive Belt Grinder
For precision surface finishing. The methodology includes belt speed control.
Fabrication of Marble Polishing Machine
Uses rotating pads for glossy finishes. The methodology includes abrasive compound selection.
Fabrication of Wood Grooving Machine
Cuts grooves in wooden planks. The methodology includes depth adjustment mechanisms.
Fabrication of Manual Lawn Mover
A push-operated grass cutter. The methodology includes blade sharpness testing.
Fabrication of Plant Cutter
Trims bushes and small plants. The methodology includes handle ergonomics.
Fabrication of Tree Branch Cutting Machine
A pole-mounted cutter for high branches. The methodology includes gear reduction for torque.
Fabrication of Portable Vegetable Cutter & Slicer
A hand-cranked kitchen tool. The methodology includes blade spacing optimization.
Fabrication of Beans Sheller Machine
Removes shells from beans. The methodology includes roller gap adjustment.
Renewable Energy & Eco-Friendly Systems
Power Generation from Speed Breakers (Roller Mechanism)
This innovative system converts kinetic energy from passing vehicles into electrical energy. When vehicles roll over speed breakers equipped with rollers, the mechanical motion drives a connected generator through a gear train.
The methodology involves designing a robust roller mechanism that can withstand vehicle weight while efficiently transferring motion.
Energy conversion is achieved through a DC generator connected to batteries, with voltage regulators ensuring stable power storage.
The system's efficiency depends on proper gear ratio selection and low-friction bearing implementation.
Piezoelectric Power-Generating Shock Absorber
This project harnesses energy from road vibrations using piezoelectric crystals embedded in vehicle shock absorbers. As the vehicle moves, mechanical stress on the crystals generates electric charge.
The methodology focuses on crystal array configuration for maximum energy harvest, with rectifier circuits converting AC to DC for battery storage.
Challenges include vibration frequency matching and power conditioning for practical use in vehicle electrical systems.
Solar-Powered Auto Headlight System
An energy-efficient lighting system that operates independently of the vehicle's main electrical system.
Solar panels charge batteries during daylight, powering LED headlights at night. The methodology involves calculating optimal solar panel size based on light usage patterns, implementing light sensors for automatic activation, and designing efficient power management circuits to prevent battery overcharge/discharge.
Solar Panel Sun Tracking System
This system maximizes solar energy collection by keeping panels perpendicular to sunlight throughout the day.
Using light-dependent resistors (LDRs) as sensors and a microcontroller to process signals, servo motors adjust panel orientation.
The methodology includes designing a dual-axis mechanical support structure, programming tracking algorithms, and implementing fail-safe positions for adverse weather conditions.
Mini Windmill Cell Phone Charger
A portable wind turbine that generates enough power to charge mobile devices. The methodology focuses on blade design for low-wind operation, efficient DC motor selection as a generator, and voltage regulation circuitry to match USB charging standards.
The system includes foldable components for easy transport and weather-resistant materials for outdoor durability.
Pedal-Powered Cell Phone Charger
Converts human mechanical energy into electrical power through bicycle-style pedaling.
The methodology involves gear ratio optimization for comfortable pedaling speed, DC motor selection for efficient generation at low RPMs, and supercapacitor implementation for short-term energy storage.
The system includes USB output with voltage regulation for safe device charging.
Coin-Based Cell Phone Charger with Pay System
A commercial charging station that operates on coin payment. The methodology combines mechanical coin recognition mechanisms with timer-controlled power output.
The electrical design includes current-limited USB ports and display interfaces showing remaining charging time. The system requires robust construction for public use and anti-theft features.
Solar Water Heater
A sustainable alternative to conventional water heating using evacuated tube collectors. The methodology involves calculating heat transfer requirements, designing thermosiphon circulation systems (or pump-assisted for larger installations), and implementing temperature differential controllers. Insulation quality and collector angle optimization are critical for efficiency.
Solar Air Heater
Heats air for space heating using solar energy. The methodology focuses on absorber plate design (often corrugated or finned for increased surface area), glazing materials to reduce heat loss, and fan-assisted air circulation systems. Thermal storage options like rock beds extend heating into nighttime hours.
Solar Wood Cutter
A solar-powered alternative to traditional chainsaws. The methodology involves sizing photovoltaic panels to meet motor power requirements, implementing battery storage for consistent operation, and designing safety cutoffs for overload protection. The system balances power needs with portability considerations.
Solar Bird Scarer
An eco-friendly pest control device that uses solar-powered moving components and occasional ultrasonic sounds to deter birds. The methodology combines small solar panels with efficient DC motors to create unpredictable movements in reflective deterrents, with light sensors activating the system only during daylight hours when birds are active.
Solar Dryer
Accelerates agricultural product drying using solar heat. The methodology involves designing an enclosed chamber with transparent cover, optimizing airflow through natural convection or small solar-powered fans, and implementing moisture removal systems. Temperature and humidity sensors help prevent over-drying.
Solar Fan with Lighting System
A standalone ventilation and lighting solution for off-grid areas. The methodology integrates photovoltaic panels with charge controllers, deep-cycle batteries, and efficient DC appliances. The system design prioritizes energy balance to ensure both fan and lights can operate through typical nighttime periods.
Parabolic Solar Cooker
Concentrates sunlight for high-temperature cooking. The methodology focuses on precise parabolic reflector construction (often using mirrored tiles), sturdy tracking mechanisms to follow the sun, and heat-resistant cooking vessel design. Safety features prevent accidental exposure to concentrated sunlight.
Box-Type Solar Cooker
A slower but simpler alternative to parabolic cookers using greenhouse effect principles. The methodology involves insulated box construction with reflective interior surfaces, transparent glazing at optimal angles, and blackened cookware for maximum heat absorption. Temperature retention is key for evening cooking.
Geothermal Heating & Cooling System
Utilizes stable underground temperatures for building climate control. The methodology includes ground loop design (vertical or horizontal), heat pump selection, and distribution system configuration. The project may involve small-scale demonstration of the vapor compression cycle using propane refrigerants.
Biofuel Extractor from Bio-Oil
Converts organic waste into usable fuel. The methodology focuses on pyrolysis reactor design for controlled oxygen-free heating, vapor condensation systems, and bio-oil filtration processes. The system includes temperature monitoring for optimal breakdown of organic compounds.
Compressed Air Generation Using Speed Breakers
Similar to the roller mechanism but storing energy as compressed air instead of electricity. The methodology involves designing pneumatic cylinders that compress air with each vehicle pass, with check valves ensuring unidirectional flow to storage tanks. Pressure regulators maintain safe operating levels.
Power Generation from Overhead Water Tanks
Harnesses potential energy from water flow in building plumbing systems. The methodology involves installing micro-hydro turbines in tank outlets, with careful consideration given to maintaining normal water pressure while extracting energy. The system includes bypass valves for high-demand periods.
Power Generation from Industrial Wastewater
Captures energy from flowing effluent streams. The methodology focuses on turbine selection suitable for low-head, high-volume flows common in wastewater systems, with protective measures against debris and corrosive fluids. The system integrates with existing infrastructure without disrupting normal operations.
Non-Conventional Door-Based Power Generation
Generates small amounts of electricity from door movement. The methodology uses rack-and-pinion mechanisms or piezoelectric elements to convert mechanical motion into electrical energy, with supercapacitors storing power for low-energy applications like hallway lighting.
Rotary Gate Power Generation System
Similar to door systems but scaled for larger gates. The methodology involves gear trains to increase generator RPM from slow gate movements, with slip rings maintaining electrical connections during rotation. The system includes automatic braking to prevent uncontrolled gate movement.
Automation & Robotics
Automatic Rain-Operated Wiper
Activates vehicle wipers when rain is detected. The methodology uses optical or conductivity-based rain sensors on windshields, with sensitivity-adjustable circuits controlling wiper motor speed. The system includes fail-safe manual override capability.
Automatic Headlight Dim/Bright Controller
Adjusts headlight intensity based on approaching vehicles. The methodology involves light sensors strategically placed to detect oncoming headlights, with processing circuits differentiating between ambient light and direct beams. The system includes delay mechanisms to prevent rapid cycling.
Automatic Pneumatic Hammer
Provides consistent hammering force in manufacturing. The methodology focuses on pneumatic cylinder sizing for required impact energy, with solenoid valves controlling strike frequency. The system includes adjustable pressure settings for different materials.
Automatic Pneumatic Sheet Cutting Machine
Precision-cuts sheet materials using air-powered blades. The methodology involves designing clamping mechanisms to secure materials, with optical sensors ensuring accurate cut positioning. The system includes safety interlocks to prevent operation when guards are open.
Automatic Pneumatic Vulcanizing Machine
Automates rubber curing processes. The methodology requires precise temperature and pressure control systems, with timers managing cure cycles. The design incorporates heat-resistant materials and even pressure distribution across molds.
Automatic Pneumatic Stand for Two-Wheelers
Stabilizes parked motorcycles without rider effort. The methodology uses tilt sensors to detect parking position, with pneumatic cylinders extending support legs. The system includes manual override and slow-release valves for controlled retraction.
Automatic Pneumatic Disc Braking System
Provides rapid, consistent braking force. The methodology focuses on caliper design for even pad pressure distribution, with pressure sensors providing feedback for anti-lock functionality. The system includes emergency backup reservoirs.
Automatic Pneumatic Forging Machine
Automates metal shaping processes. The methodology involves designing dies for specific forgings, with programmable logic controllers managing stroke length and force. The system includes safety curtains and emergency stop mechanisms.
Automatic Pneumatic Emergency Exit for Cars/Buses
Rapidly opens exits in emergencies. The methodology uses crash sensors to trigger explosive bolts or high-speed pneumatic actuators, with backup manual release options. The design prioritizes reliable operation under deformed vehicle conditions.
Automatic Pneumatic Reciprocating Grinding Machine
Provides consistent surface finishing. The methodology involves workholding fixture design, with pneumatic cylinders controlling both part rotation and grinding head oscillation. The system includes adjustable stroke length and pressure settings.
Automatic Pneumatic Bottle Filling Machine
High-speed liquid packaging system. The methodology focuses on nozzle design to prevent spillage, with level sensors ensuring accurate fill volumes. The pneumatic system controls both conveyor movement and filling valves.
Automatic Pneumatic Bottle Washing Machine
Cleans containers for reuse. The methodology involves designing rotary holders for thorough interior/exterior cleaning, with pneumatic actuators controlling spray nozzle positioning. The system includes water filtration for multiple reuse cycles.
Automatic Pneumatic Lamination Machine
Binds documents with plastic coating. The methodology requires precise temperature control for adhesive activation, with pneumatic rollers applying even pressure. The system includes adjustable speed settings for different material thicknesses.
Automatic Rain-Sensing Window for Homes
Closes windows at rain onset. The methodology uses weatherproof moisture sensors connected to motorized window actuators, with manual override capability. The system includes position memory for reopening after rain stops.
Automatic Plant Watering System
Maintains optimal soil moisture. The methodology involves soil sensor calibration for different plant types, with solenoid valves controlling water flow. The system includes programmable schedules and rain delay features.
Automatic Dam Shutter Control System
Regulates water levels autonomously. The methodology uses ultrasonic level sensors connected to gate actuators, with algorithms balancing irrigation needs and flood prevention. The system includes manual override for maintenance.
Automatic Traffic & Street Light Controller
Optimizes light timing based on traffic flow. The methodology involves vehicle detection loops or cameras feeding data to programmable controllers that adjust signal phases. The system includes battery backups for power outages.
Automatic Dimensioning Machine
Measures objects for packaging/sorting. The methodology uses laser scanners or imaging systems to capture length, width, and height, with conveyor integration for automated processing. The system includes data logging capabilities.
Automatic Transformer Heat Reduction System
Prevents overheating in electrical transformers. The methodology involves temperature sensors triggering cooling fans or oil circulation pumps, with gradual ramp-up to avoid power surges. The system includes alarm thresholds for critical temperatures.
Automatic Speed Breaker for School Zone Safety
Rises only when speeding is detected. The methodology uses radar speed sensors connected to pneumatic or hydraulic lift mechanisms, with safety features to prevent accidental deployment. The system includes flashing warning lights.
Automatic Car Covering System
Protects vehicles when parked. The methodology involves motorized rollers storing flexible covers, with weather sensors triggering deployment. The design considers wind resistance and prevention of scratching during operation.
Automatic Multi-Directional Photo Shearing Machine
Precision-cuts photographic materials. The methodology uses optical alignment systems with servo-controlled blades, allowing angled cuts. The system includes dust extraction for clean operation.
Automatic Board Cleaner
Maintains whiteboards/chalkboards. The methodology involves programmable wiping patterns with pressure sensors ensuring complete erasure. The system includes reservoir and pump mechanisms for liquid cleaners.
Automatic Hand Wash with Soap Dispenser
Promotes hygiene through touch-free operation. The methodology uses infrared sensors to activate both water flow and soap dispensing, with timers controlling duration. The system includes low-power modes for continuous operation.
Automatic Foot Press Hand Washing Machine
Hands-free operation via foot pedal. The methodology involves mechanical linkage design for reliable water valve actuation, with adjustable pressure settings. The system includes splash prevention features.
Automatic Musical Water Fountain
Entertains with choreographed water and lights. The methodology involves pump sequencing controlled by musical beats, with LED lighting synchronized to water patterns. The system includes multiple programmable shows.
Automatic Ladder Climbing Robot
Inspects or performs tasks at height. The methodology focuses on gripper design for secure rung engagement, with inertial sensors maintaining balance. The system includes obstacle detection for autonomous operation.
Line Following Robot
Navigates predefined paths autonomously. The methodology involves infrared or camera-based line detection algorithms, with PID control for smooth movement. The system includes obstacle avoidance capabilities.
Mini Fire Fighting Robot
Detects and extinguishes small fires. The methodology combines flame sensors with heat-resistant materials, using CO2 or water mist suppression. The system includes remote override capability for human operators.
Special Mechanisms & Tools
Quick Return Mechanism (Crank & Slotted Link)
Converts rotary to reciprocating motion with different forward/return speeds. The methodology involves kinematic analysis to determine optimal link dimensions for desired motion characteristics, with bearing selection for smooth operation under load.
Geneva Mechanism-Based Film Frame
Provides intermittent motion for film advancement. The methodology focuses on precise machining of the Geneva wheel and driver pin to ensure reliable indexing, with spring-loaded positioning for positive engagement.
Pantograph Milling Machine
Duplicates complex shapes at reduced scale. The methodology involves linkage ratio calculations for accurate scaling, with rigid construction to prevent deflection during cutting operations. The system includes adjustable reduction settings.
Pantograph Universal Gas Cutting Machine
Similar to milling version but for flame cutting. The methodology requires heat-resistant materials in the linkage system, with smooth motion transfer to prevent flame flutter. The system includes safety shields.
Six-Bar Linkage Mechanism
Creates complex motion paths from rotary input. The methodology involves graphical position analysis to determine link lengths for desired output motion, with dynamic balancing to reduce vibration.
Ratchet Mechanism Using Screw Jack
Provides unidirectional lifting capability. The methodology focuses on pawl design for reliable engagement under load, with thread optimization for smooth lifting. The system includes overload protection.
Simple Leg Walking Mechanism
Mimics biological locomotion. The methodology involves four-bar linkage design to create elliptical foot paths, with phase adjustment between legs for stable movement. The system includes ground clearance optimization.
Self-Balancing Vehicle (Model)
Maintains upright position autonomously. The methodology uses gyroscopic sensors and accelerometers feeding data to control algorithms that adjust wheel speed. The system includes fail-safe tilt shutdown.
Contour Turning Attachment for Lathe
Enables complex shape machining. The methodology involves template follower design with precision bearings, transferring shape to cutting tool through mechanical linkage. The system includes adjustable pressure settings.
Slotting Attachment in Drilling Machine
Adds reciprocating capability to drills. The methodology involves converting rotary motion via eccentric mechanisms, with adjustable stroke length. The system includes chip clearance considerations.
Internal Grinding Attachment for Lathe
Expands lathe capabilities for bore finishing. The methodology focuses on high-speed spindle design with precise runout control, including coolant delivery systems for the grinding operation.
Gear Cutting Attachment for Lathe
Enables gear manufacturing on standard lathes. The methodology involves dividing head design with precise indexing, including cutter clearance adjustments for different gear teeth counts.
Multipurpose Keyway Attachment for Lathe
Cuts keyways and slots in shafts. The methodology involves rigid toolpost design with precise linear motion control, including depth adjustment mechanisms for various key sizes.
Milling Attachment for Lathe
Adds horizontal milling capability. The methodology requires sturdy overarm support design with proper spindle alignment, including power feed options from the lathe's drive system.
Hydraulic Armature Bearing Remover
Extracts bearings without damage. The methodology involves collet design for various bearing sizes, with hydraulic pressure gradually increasing to prevent sudden releases. The system includes force monitoring.
Hydraulic Cylinder Liner Puller
Removes engine cylinder liners. The methodology focuses on even force distribution through expandable mandrels, with progressive pressure application to prevent liner distortion. The system includes alignment guides.
Hydraulic Brake Shoe Riveting Machine
Automates brake assembly. The methodology involves precision punch and die design for different rivet sizes, with pressure monitoring for consistent results. The system includes quick-change tooling.
Pneumatic Bearing Press Machine
Installs bearings with controlled force. The methodology requires accurate alignment fixtures, with pressure regulation for different bearing sizes. The system includes depth stops for proper seating.
Pneumatic High-Speed Sheet Cutting Machine
For production line cutting. The methodology involves balanced blade design to prevent deflection at speed, with optical registration for precise positioning. The system includes material clamping.
Pneumatic Switch Board Cutter
Shapes electrical panels. The methodology focuses on tooling design for clean cuts in layered materials, with dust extraction integration. The system includes template guides.
Pneumatic Tin/Can Crusher
Recycles metal containers. The methodology involves chamber design for various can sizes, with safety interlocks preventing operation during loading. The system includes compaction ratio controls.
Pneumatic Spiral Punching Machine
Creates ventilation patterns. The methodology requires rotary workpiece advancement synchronized with punch strokes, with die clearance adjustments for different materials. The system includes pattern programming.
Pneumatic Ground Driller
For post holes and sampling. The methodology involves auger design for various soil types, with depth measurement and automatic retraction at preset levels. The system includes chip clearing.
Pneumatic Scissor Lifter
Raises loads compactly. The methodology focuses on cylinder placement for optimal force transmission, with safety locks at extended positions. The system includes overload protection.
This completes the detailed explanation of all 150 project titles with their respective descriptions and methodologies.
Each project follows a systematic approach from problem identification through design considerations to implementation methods.
