Free Download Mechanical Engineering Projects
Explore a curated collection of Mechanical Engineering projects available for free download. Each project includes a complete report and documentation—ideal for final year, major, and minor submissions.
Popular Project Categories
- Automobile Engineering projects
- Production Engineering projects
- Plant & Machinery related projects
- Aeronautical Engineering projects
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List of Mechanical Engineering Project
3D Modeling & Virtual Manufacturing of a Machine Component using CATIA V5 and MastercamFree download Mechanical Engineering project on end-to-end product development using CATIA V5 for CAD and Mastercam for CAM. The report discusses how engineering design decisions drive functionality, appearance, cost, and manufacturability; the impact of CAD/CAM, and the evolution from NC to CNC for higher accuracy, flexibility, and shorter production cycles. Preferred Technologies: Mechanical Engineering, CNC Machines, CAD/CAM (CATIA V5, Mastercam) |
Anti-Lock Braking System (ABS) using Fuzzy Logic ControlFree download Mechanical/Automobile Engineering project explaining a fuzzy-logic-based controller for ABS. It covers how ABS improves vehicle controllability on slippery roads, compares performance with conventional brakes, and outlines fuzzy logic’s approximate reasoning with partial membership between 0 and 1. Preferred Technologies: Mechanical Engineering, Automobile Engineering, Anti-Lock Braking System (ABS), Fuzzy Logic |
Analysis of Grinding WheelFree download Mechanical Engineering project on the grinding process as a metal-removal operation using high-hardness abrasive grains bonded in a wheel. The report summarizes wheel composition, roles of abrasive, grain size, grade, structure, and bond, and how cutting occurs via micro-chips at high wheel speeds. Preferred Technologies: Mechanical Engineering, Grinding Machine |
Battery Charger using Stirling EngineFree download project on designing a Battery Charger with a Stirling Engine for rural electricity solutions. The Stirling engine converts heat into mechanical motion, which drives a motor to generate 12V electricity for charging batteries or other applications. The report includes project background, introduction, literature review, material selection, cost estimation, applications, and conclusions. It provides an effective low-cost solution for energy generation compared to conventional methods. Preferred Technologies: Mechanical Engineering, Power Generation, Stirling Engine |
Magnetic SeparatorFree download Mechanical Engineering project report on Magnetic Separator. This project focuses on recovering non-ferrous metals from waste streams for reuse as secondary raw materials. Compared to plastics, wood, or textiles, non-ferrous metals hold higher market value and reusability. The project explains how magnetic separation helps achieve sufficient purity levels, reduce carbon content, and minimize reliance on primary metal production, which is resource-intensive and energy-consuming. Preferred Technologies: Mechanical Engineering, Magnetic Separator |
Modifying Impeller of Submersible PumpFree download Mechanical Engineering project on Submersible Pump Impeller Modification. A submersible pump is designed with the motor close-coupled to the pump body and submerged in fluid. This design prevents cavitation issues common in pumps with high elevation differences. Submersible pumps push fluid to the surface, making them more efficient than jet pumps. They are widely used in sewage pumping, drainage, slurry pumping, aquariums, borewells, water abstraction, and oil wells. This project explains modifications in impeller design for improved performance. Preferred Technologies: Mechanical Engineering, Submersible Pump, Fluid Machinery |
Oil Collector MachineFree download Mechanical Engineering project on Oil Collector Machine. This project focuses on the separation of oil from water using an oil-water separator, where lighter oil floats above heavier water. The project highlights environmental issues caused by marine oil spills and the importance of efficient oil collection systems for mitigating ecological and economic damage. It also explains operational principles of various oil recovery systems. Preferred Technologies: Mechanical Engineering, Oil Collector Machine |
Various Ways to Prevent Overheating in PumpsFree download Mechanical Engineering project on Overheating Prevention in Pumps. The project emphasizes accurate product design before manufacturing to avoid defects and wastage. It introduces the use of Pro/E software for designing a progressive die used in manufacturing washers for M12 bolts. The progressive die performs piercing and blanking operations in a single stroke, reducing time and cost. This methodology can be extended to M-series bolts with minor modifications in punch and die dimensions. Preferred Technologies: Mechanical Engineering, Progressive Die Design, Manufacturing |
Parametric Investigation of Abrasive Jet MachineFree download Mechanical Engineering project on Abrasive Jet Machining (AJM). AJM is a non-traditional machining process that removes material through the erosive action of a high-velocity gas jet carrying fine abrasive particles. It is ideal for cutting intricate shapes in hard and brittle materials such as ceramics, semiconductors, and glass. The report includes experiments analyzing process parameters such as nozzle tip distance (NTD), pressure, material removal rate (MRR), and hole dimensions. Results are compared with theoretical models to validate machining performance. Preferred Technologies: Mechanical Engineering, Abrasive Jet Machine, Non-Traditional Machining |
Performance and Failure Analysis of Pressure VesselsFree download Mechanical Engineering project on Performance and Failure Analysis of Pressure Vessels. A pressure vessel is a leak-proof container designed to hold or separate hydrocarbon compounds into gas and liquid. The main components include a cylindrical shell and head supported by a saddle. During operation, pressure vessels experience different types of loads such as internal pressure, self-weight, and fluid weight, leading to stress variations on the vessel wall. This project report identifies maximum stress positions, evaluates material strength, and applies failure analysis to ensure vessel safety under working conditions. Preferred Technologies: Mechanical Engineering Project, Pressure Vessels |
Performance and Failure Analysis of Shell and Tube Heat ExchangerFree download Mechanical Engineering project on Shell and Tube Heat Exchanger (STHX). Widely used in oil refining, chemical industries, power generation, and environmental systems, STHXs account for 35–40% of all industrial heat exchangers due to their robust design and easy maintenance. Conventional exchangers use segmental baffles to support tubes and direct fluid flow, but this design leads to lower efficiency in converting pressure drop into useful heat transfer. This report explores performance, limitations, and possible improvements in STHX design. Preferred Technologies: Mechanical Engineering Project, Heat Exchanger |
Problem of Production Rejection in Pipe Plant & Blown Film Line MachinesFree download Mechanical Engineering project on Production Rejection in Pipe Plant & Blown Film Line Machines. The project focuses on extrusion, a process where a metal billet is forced through a die under high pressure to reduce cross-section. Extrusion is commonly used to produce cylindrical bars, hollow tubes, and raw material for drawing or forging. While hot extrusion allows complex shapes and fine grain structure, cold extrusion offers better surface finish and strength. This report addresses production rejections in extrusion processes and proposes solutions for improved manufacturing efficiency. Preferred Technologies: Mechanical Engineering Project, Production Engineering, Extrusion Process |
Solar Dryer MachinesFree download Mechanical Engineering project on Solar Dryer Machines. Farmers traditionally rely on open-air drying for agro-commodities, but uncontrolled weather conditions often reduce quality. This project develops a solar cabinet dryer designed using locally available materials to dry fruits, vegetables, cereals, legumes, meat, and fish. A prototype designed for drying 1 kg of mango slices combines direct solar heat with an auxiliary heater. The project report analyzes performance tests, moisture removal efficiency, and benefits for farmers in extending shelf life and ensuring consistent product quality. Preferred Technologies: Mechanical Engineering Project, Solar Dryer |
Study About Hydraulic Cylinder Misalignment Approach and its TroubleshootingFree download Mechanical Engineering project on Hydraulic Cylinder Misalignment and Troubleshooting. In road construction paver machines, hydraulic cylinders sometimes suffer misalignment due to variable loads from dumpers, causing the machine to deviate from its path and resulting in improper road laying. The main issue arises from misalignment of the ram/piston, which can lead to hydraulic cylinder failure. This project focuses on studying hydraulic cylinder operation, identifying causes of misalignment, and proposing solutions such as design modification, surface treatment, lubrication, periodic maintenance, and material replacement to minimize failures. Preferred Technologies: Mechanical Engineering Project, Hydraulic Cylinder |
Multi Point Spanner SystemFree download Mechanical Engineering project on Multi Point Spanner System. The spanner tool system is an advanced technology widely used in the automobile industry. Its primary function is to provide effective tool operation for different types of vehicles. This project involves designing, manufacturing, and analyzing a working model of a spanner tool system, developed from original research instead of copying conventional designs. The system demonstrates the working of multi-point spanners in a simplified way, making it a practical and innovative engineering solution. Preferred Technologies: Mechanical Engineering Project, Multi Point Spanner |
Mechanical Shearing Cutter SystemFree download Mechanical Engineering project on Mechanical Shearing Cutter System. Shearing is a metal fabrication process used to cut straight lines on flat metal sheets. It works by forcing an upper blade and a lower blade past each other, with the clearance between them determining cut quality. One blade is usually stationary. Shearing allows straight-line cutting, placement of metal between upper and lower shear blades, and cutting of relatively small lengths of material efficiently due to angled blade positioning, which reduces required force. Preferred Technologies: Mechanical Engineering Project, Shearing Cutter |
Design and Fabrication of Gear Box SystemFree download Mechanical Engineering project on Design and Fabrication of Gear Box System. Motor current signature analysis (MCSA) is used to investigate gearbox faults by analyzing supply parameters such as phase current and instantaneous power. Gearboxes experience load fluctuations and gear defects, which are major sources of vibration. Since mounting vibration transducers is difficult, MCSA provides an effective alternative. This project designs and fabricates a gearbox motor current analysis system to detect faults such as misalignment, gear tooth loss, and vibration patterns, ensuring reliable gearbox performance under steady load conditions. Preferred Technologies: Mechanical Engineering Project, Gear Box |
Study on Performance and Emission Characteristics using Castor and Mustard Seed Oil Blend in C.I. EngineFree download Mechanical Engineering project on Bio-fuel Performance in CI Engines. This project investigates the use of castor oil (non-edible) and mustard oil (edible) blended with diesel in a double cylinder, 4-stroke, direct injection diesel engine. The study evaluates performance and emission characteristics of different blends at 1500 rpm under variable loads. Results show that while viscosity and delayed combustion affect performance, a blend of 10% castor and mustard oil with 90% diesel provides the best balance without requiring engine modification. The project concludes that bio-oil blends can be a viable alternative fuel. Preferred Technologies: Mechanical Engineering Project, Bio Fuels |
Investigation of Faulty Gearbox using Motor Current Signature AnalysisFree download Mechanical Engineering project on Faulty Gearbox Detection using MCSA. Gearboxes are critical in power transmission, and their monitoring is essential. This project applies Motor Current Signature Analysis (MCSA) as a non-intrusive condition monitoring technique to detect defects in multistage automotive transmission gearboxes. Artificially introduced gear faults were studied under steady and fluctuating load conditions. The results demonstrate that MCSA can effectively detect gearbox vibration and fault patterns without requiring direct mounting of vibration sensors. Preferred Technologies: Mechanical Engineering Project, Gear Box |
Study on REDUCTION OF NOx IN DIESEL ENGINE USING DIESEL WATER EMULSIONFree download Mechanical Engineering project on Reduction of NOx in Diesel Engine using Diesel-Water Emulsion. Diesel engines have long been considered a major source of air pollution, particularly in metropolitan areas, due to emissions of NOx, SOx, CO, and particulate matter (PM). While some pollutants can be reduced through catalytic converters, NOx emissions are harder to control. Recent studies have shown that using an emulsion of diesel in water as a fuel can significantly reduce emissions without compromising performance. In this project, a new type of emulsion was prepared using the mixed surfactant method with focus on long-term stability. Performance and emission tests were conducted on a two-cylinder water-cooled diesel engine, and results were compared with standard diesel fuel to analyze advantages and disadvantages. Preferred Technologies: Mechanical Engineering Project, Diesel Engine Emission |
NONLINEAR CONSTRAINED COMPONENT OPTIMIZATION OF A PLUG-IN HYBRID ELECTRIC VEHICLEFree download Mechanical/Automobile Engineering project on Nonlinear Constrained Component Optimization of PHEV. With rising fuel prices and strict emission regulations, plug-in hybrid electric vehicles (PHEVs) are becoming increasingly important. The key lies in optimally sizing the components such as the internal combustion engine, electric motor, and battery to balance performance, fuel efficiency, emissions, and cost. This project applies Particle Swarm Optimization (PSO) to determine the optimal sizing of powertrain components while meeting performance requirements such as acceleration, gradeability, and maximum speed. Compared to traditional optimization techniques, PSO provides a more efficient and precise solution to nonlinear constrained optimization problems. Preferred Technologies: Mechanical Engineering Project, Plug-in Hybrid Vehicle, Particle Swarm Optimization |