Showing posts with label CAD. Show all posts

Mechanical engineering Project Ideas

In the field of mechanical engineering, we have a vast range of topics to select from. At present, companies and governments are dealing with two issues. First, is about global warming and the other is about competition.

For both these issues, mechanical engineers can contribute a lot. For example, to improve the competitiveness of the organization, you can build automation tools or robots which can help the company to improve its efficiency and similarly for global warming, you can bring some news ideas to either save energy or generate it without doing harm to nature.

The biggest positive about these is that solutions to both these issues are going to come from mechanical. This is the reason, I always recommend students to select topics which are related to either robotics or renewable energy.

I myself tried to find all the latest topics from around the world and write about them to give you some more insight into what's happening around.

Robotics

Robotics Projects Robotics would be a good choice in mechanical projects: Robots are very attractive in comparison to other projects and if everything goes well they will make you win.

Though I have written a separate post about robotics here as a starting point I would like to share all important links in this section. Using given links you can enhance your knowledge before building your own machines.

How to Build a Robot
Its Basics(pdf)
Computer Controlled RC Car
Robotic Spider
Solar Insect Robot: It is powered by solar. It will help you in understanding the concepts of both Robotics and Solar Energy.
Fire Fighting machine
Cleaning Robots
Line Follower Robot
Autonomous Agile flying machines

A prosthetic limb is an artificial device extension that replaces a missing body part. It is part of the field of biomechatronics, the science of using mechanical devices with human muscle, skeleton, and nervous systems to assist or enhance motor control lost by trauma, disease, or defect.

In this world, there are many people who have some kind of disability. Engineers are working day and night to make artificial limbs that works like a normal leg and controlled by the human brain. Even though they are successful in building these limbs, but in the developing world there are plenty who can't afford their ultramodern limbs because of its high cost.

People who use Wheel Chairs, always face difficulty using escalators. Students at Illinois Institute of technology find the solution to this problem by designing this chair in a different way. Wheel Chair developed by them can be used at escalators.

Steering is the term applied to the collection of components, linkages, etc. which will allow a car or other vehicle to follow the desired course. Computer-aided designs are very important for steering systems and system modeling and simulation are more widely used in robotic vehicle engineering to reduce development time, improve the design and miniaturization of complex systems.

CATIA Projects

What is Catia?
It is a computer-aided 3D design software. After the introduction of CATIA in 1977 by french manufacturer Avions Marcel Dassault engineers from various fields get an excellent tool for working with complex innovative shapes.

CAD Project Ideas (Easy to Advanced) 60+ Models You Can Actually Finish

If you are learning CAD and you want project ideas, here is my honest take. Do not start with a random super complex engine assembly on day one. Start with a clean part, then a small assembly, then a mechanism. CAD skill builds like gym strength.

Below is a list I would personally use if I was starting again. It is grouped by difficulty and also by domain, so you can pick what matches your interest. Most ideas include what to model, what to show in your final submission, and how to make it look professional.

What to submit for any CAD project (so it looks serious)

One clean 3D model with correct proportions
Exploded view of the assembly, if it has parts
One drawing sheet with dimensions and tolerances where needed
A bill of materials for assemblies
One simple render or animation

Photo style cheat sheets (you can copy to your report)

These are illustration panels that look like photos. I added them so students can quickly understand what a good CAD submission looks like. They load fast, work on mobile, and you do not need to download anything.

Cheat sheet 1: sketch to 3D part

Cheat sheet 2: assembly, exploded view, BOM

Cheat sheet 3: one drawing sheet with key dimensions

My CAD workflow (diagram)

Easy CAD projects (start here) 20 ideas

Phone stand with adjustable angle and cable slot
Key holder wall mount with screw holes and fillets
Simple storage box with lid and snap fit idea
Nut and bolt set with correct thread representation style
Door hinge with pin and rotation clearance
Bearing block housing with shaft hole and mounting holes
Clamp and bracket set for a desk or shelf
G clamp style frame with screw mechanism as simplified model
Water bottle design with cap and grip features
Soap dish with drainage slots and smooth surfaces
Pen or pencil holder with pattern cuts
Wall hook with ribs for strength
Wrench or spanner outline with correct thickness and chamfers
Simple pulley wheel with groove and bearing seat
Gear pair basic spur gears with center distance check
Desk organizer tray with partitions
Simple fan blade with hub and angle
Helmet shell shape practice with surface tools
Basic bottle opener or tool handle ergonomics
Chess piece set using revolve features

Intermediate CAD projects (parts plus assembly) 25 ideas

Scissor jack mechanism with assembly motion
Hand drill or small gearbox casing with cover
Mini vise with screw and jaw movement
Bicycle pedal assembly with bearings
Chain sprocket system with tensioner concept
Cam follower mechanism with displacement curve
Crank and slider mechanism with animation
Oldham coupling or jaw coupling with proper clearances
Universal joint model with rotation demonstration
Small conveyor roller system with frame
Sheet metal enclosure with bends and flat pattern
Foldable chair concept with hinge constraints
Simple bicycle frame layout with tube joins
Air pump piston cylinder concept model
Ball valve or gate valve simplified assembly
Lead screw table or linear stage with nut and guide
Hydraulic bottle jack simplified model
3D printed drone frame with mounts and cable routing
Tripod stand with locking joints
Kitchen mixer paddle and bowl fit study
Small turbine blade and hub assembly
Windmill with gearbox concept
Brake disc and caliper concept with clearances
Heat sink with fin variations and comparison
Latch and lock mechanism with motion

Advanced CAD projects (mechanisms, design intent, simulation) 15 ideas

Piston crankshaft assembly with flywheel and motion study
Planetary gear train with ratios and animation
4 bar linkage mechanism with path tracing
Robotic gripper with servo mount and jaw force estimate
Suspension wishbone model with basic geometry
Steering mechanism concept and turning angle comparison
Rack and pinion system in a housing with limit stops
Disc brake system with pad wear allowance concept
Press fit design study with tolerance and material notes
Injection mold ready part with draft angles and parting line
CFD ready duct design with smooth transitions
FEA study of a bracket with different rib patterns
Design a small lifting mechanism with safety factor check
Gearbox concept with lubrication space and cover design
Drone landing gear with impact and material considerations

How to pick the right CAD project (quick rules)

If you are a beginner, pick something you can finish in one sitting and then make the drawing sheet perfect.
If you know assemblies, pick a mechanism and show motion plus an exploded view.
If you want to impress, do one small simulation or a tolerance focused drawing.

Video: a good CAD mechanism tutorial

If you want a solid reference project, this Fusion 360 mechanism tutorial is a good one to follow. It is detailed enough to learn good habits like clean sketches, proper constraints, and assembly thinking.

If you tell me your software (SolidWorks, Fusion 360, AutoCAD, CATIA) and your level, I will shortlist the best 10 projects from this list and tell you exactly what to submit for each.

Project Ideas

Search for new ideas!