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3D Printing Technology

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3D printing is an emergent technology used mainly for rapid prototyping across a wide section of industries. How are 3D objects printed? There are several different printing processes, including breaking down a 3D digital file into cross sections, and depositing material layer by layer to build up a real, 3D object. The term 3D printing emerged when MIT patented several 3-dimensional printing techniques. 3D printing technology is most-often used in the automotive, medical, consumer electronics, and manufacturing industries.

Paul Doe, the chief engineer at Motorsport Technology, says 3D printing is transforming the way his company does business. Their previous experience with 3D printing was in making prototypes, and the main reason they bought a 3D printer was to validate new functional designs. After installation, their use of the machine changed a lot, however, to actually making production parts on demand for customers. They discovered that the resultant products were strong enough to use as parts for cars in the actual production line.

The company experimented further with their new 3D printer, and soon was able to print specialist parts at a fraction of the normal cost. This allowed them to avoid high fixed production costs, and to carry fewer stock parts on hand. In just this one automotive application, for example, Motorsport Technology saved a total of $80,000 using 3D printing. Not only can the company now print out individual parts, but it can print its own tools as well. Modification of pieces of tooling, which previously would have cost around $10,000, could now be printed for as little as $10. 3D printers are an affordable investment for a typical company, now costing around $20,000 each. Companies have recouped this cost in as little as a few months in some cases.

3D prototyping and manufacturing

3D prototyping a final product offers great savings in design costs. 3D prototypes can be used to accelerate product testing, where multiple design variations can be tested rapidly. This is crucial in short-run manufacturing, for example. Alterations can be made, and reprinted at a moment’s notice, even in the most intricate design specifications.

Mechanical Engineering
Cutting Forces
Mechanics of Machining
Velocity Analysis
Degrees of Freedom
Mohr's Cirlce
Von-Mises Stress
design and manufacturing i
design and manufacturing ii
toy design
intro to robotics
sail and yacht design
direct thermal solar

Aircraft Design, Aerospace
aerospace engineering 1
thermal energy
automatic control
structural mechanics
aircraft control
human factors engineering
propulsion systems
space propulsion
ionized gases
systems engineering
satellite engineering
aircraft systems engineering
bio-inspired structures

environmental design
architectural design
glass houses
contemporary architecture
building technology
energy flow in buildings
structural design
historic structures
construction materials
structural systems
natural lighting
Analysis of Beam
Method of Joints
Method of Sections
Mohr's Cirlce
Von-Mise Stress
Theories of Failure

Materials Science
intro to materials science
materials processing
polymer engineering
solid state chemistry
materials in human experience
fracture and fatigue
welding and joining
physical metallurgy
photonic materials
electrochemical processing
mechanics of plastics

Nuclear Engineering
Kalina Cycle
Thermal Power Plant
applied nuclear physics
engineering of nuclear systems
nuclear reactor safety
nuclear fuel
nuclear reactors
medical imaging
plasma physics
superconducting magnets
geiger counters
Automotive Engineering
Diesel Engine
Diesel vs Petrol
Manual Transmission
Slip Differential
Fuel Cell Technology
Gear Design
gas and diesel engines

Heat Transfer
Thermodynamics 1
Thermodynamics 2
Fluid Dynamics 1
Fluid Dynamics 2

Gas Turbine
Steam Turbine
Wind Turbine
Francis Turbine
Pelton Turbine
Kaplan Turbine
Centrifugal Pump
Centrifugal Pump 2
Steam Turbine

Electric Motors
DC Motor
Brushless DC Motor
Single Phase Motor
3 Phase Motor
RMF - 1P Motor
RMF - 3P Motor

Electrical Engineering
electromagnetism 1
solid state circuits
circuits and electronics
power electronics
photovoltaics - solar energy
antennas and signals
electric machines

Computer Science
intro to algorithms
artificial intelligence
JAVA programming
programming languages
computer systems 1
database systems
computer graphics
network security
computer systems security
natural language processing
machine learning
intro to C language

Civil Engineering
soil behavior
waste containment
soil mechanics
environmental chemistry
groundwater hydrology
aquatic chemistry
water quality control
atmospheric chemistry
wastewater treatment
environmental microbiology

Engineering Tests

Each of the following multiple-choice engineering tests has 10 questions to practice on. No sign up required, just straight to the test.

Engineering Classes Online

Density and strength, for instance, usually go hand in hand. Strong materials like metals and alloys tend to be heavy, while foams and other lightweight composites are normally much weaker. Changing the molecular structure can lead to materials that are both strong and light at the same time by being airy rather than solid, and by deriving their strength from complex shapes. This is the same principle that gives the Eiffel Tower structural strength through the arrangement of its metal struts.

Professor Abu Al-Rub and his engineering design team built a computer model that can generate thousands of geometric arrangements for a given material. Each design gives rise to a different set of thermal, electrical and mechanical properties solely through implementing a different geometry. More importantly, the model can be directed to find the arrangement that maximizes certain properties to fit a desired application.

The structures are very complex, so they couldn't be produced through conventional manufacturing methods. Luckily, however, recent 3D printing advances have made it possible to 3D print these structures even though their features might be only a few nanometers in size. According to their research, the combined ability to design custom properties into a material and then manufacture it through 3D printing could disrupt the future of material design.

Mechanical Engineering

Introduction to Robotics This course covers robot mechanisms, dynamics, and intelligent controls. Topics include manipulators, body dynamics, 3D simulation, actuators, and sensors;

How Machines Work Hands-on experience taking things apart, drawing what they observe, and completing an individual project. Emphasis on the physics and history of machines.

Manufacturing Design & engineering design, providing skills useful in professional practice. A major element of the course is design of an industrial robot.

Toy Design An introduction to the product design process, and prototyping new toys

Materials Science: fundamentals of physical structure, energetics, and bonding in materials.

Materials Processing and the scaling laws that govern process speed, volume, and material quality. In particular, this course will cover the transport of heat and matter.

Solid-state Chemistry, with an emphasis on solid-state materials and their application to engineering systems design.

Engineering Tools Students work with a variety of machine tools, the emphasis being on practical problem-solving, not programming or algorithms.

Holographic Imaging from a scientific point of view, moving from interference and diffraction patterns, to imaging of single points to the display of 3D images.

Aerospace Engineering

Aerospace Engineering principles are revealed through a hands-on, lighter-than-air (LTA) vehicle design project. Students must design, build, and fly radio-controlled vehicles.

Aerodynamics - fluid mechanic concepts governing the aerodynamic performance of wings, including subsonic vortex creation, viscous flows, turbulent boundary layers, and thin airfoil theory.

Jet Propulsion aerospace propulsive devices as systems, with functional requirements and limitations that constrain design choices. Both air-breathing and rocket engines are covered.

NASA Jet Propulsion Lab Links to the various resources available to students, such as download kits and competition dates.

Electrical Engineering (EECS)

Nano-electronics, the electronic properties of molecules, carbon nanotubes and crystals, including energy bands and the development of semiconducting composites.

Electromagnets including wireless and optical communications, circuits, computer peripherals, microwave communications, power generation and transmission.

Magnets: attraction and repulsion, magnetic torques, magnetic materials, plasma control, induction, magnetic levitation, magnetic recording, hard disks, superconducting electromagnets, and ferrofluids.

Civil Engineering

Building Technology aims at providing a fundamental understanding of the physics related to building design and placement, in order to offer the occupants physical, functional, and psychological benefits.

Urban Planning, with an emphasis on the evolving structure of cities, and the way that cities, suburbs, and metropolitan areas can be re-designed and systematically developed.

Structural Design for buildings and bridges, from Gothic cathedrals to long-span suspension bridges.

Engineering & Computer Jobs

The Fundamentals of Engineering exam should be taken immediately after earning a bachelors degree from an ABET-accredited program. Engineers who pass this exam are called engineers in training (EIT), or engineer interns. After meeting work experience requirements, engineer interns can attempt a second certifying exam, called the Principles and Practice of Engineering Exam. Thereafter, acquisition of a professional engineering license enables management of junior engineers, the ability to sign off on engineering projects, and provide services directly to the public. Wages vary by employer and location. Aside from salary, most engineering jobs include excellent benefits, as well as retirement plans.

Links below list current openings:Starting Salary
(up to)
10 Year Salary
(up to)
Aerospace Engineers$89,260$124,550
Aircraft Mechanics$39,300$71,780
Android Apps$84,350$97,900
Civil Engineers$72,120$104,420
Electrical Engineers$78,900$115,240
Environmental Engineers$72,590$106,230
Graphic Design$49,300$58,000
Industrial Engineering$70,630$100,980
Maintenance Technician$63,230$73,810
Mechanical Engineers$63,230$94,690
.NET Developer$88,620$108,000
Network Analysts$65,230$91,550
Robotics $82,160$92,550
Solar Energy$81,050$104,930
Software Development$79,920$95,250
Surveying $23,640$43,140
SWIFT, iOS$85,400$110,720
Technical Writers$60,850$91,720
Urban Planners$58,940$86,880
EMPLOYERS:     Post Jobs     Search Resumes


Engineering Department Rankings - Undergraduate

 1. Massachusetts Institute of Technology (MIT) - Cambridge, MA
 2. California Institute of Technology (Caltech) - Pasadena, CA
 3. Stanford University - Stanford, CA
 4. University of California Berkeley - Berkeley, CA
 5. Cornell University - Ithaca, NY
 6. Princeton University - Princeton, NJ
 7. University of Michigan - Ann Arbor, MI
 8. Harvey Mudd College - Claremont, CA
 9. Rose-Hulman Institute of Technology - Terre Haute, IN
10. United States Military Academy - West Point, NY
11. Bucknell University - Lewisburg, PA
12. Cal Poly San Luis Obispo - San Luis Obispo, CA
13. The Cooper Union - New York, NY
14. Embry-Riddle Aeronautical University - Daytona Beach, FL
15. Georgia Institute of Technology - Atlanta, GA
16. University of Illinois Urbana-Champaign - Champaign, IL
17. Carnegie Mellon University - Pittsburgh, PA
18. Purdue University - West Lafayette, IN
19. University of Texas Austin - Austin, TX
20. University of Wisconsin - Madison, WI

    Source: US News, Forbes, and Bloomberg


Post Jobs

Search Resumes
Engineering Jobs
(updated hourly)
(up to)
Aerospace Engineers$89,260
Aircraft Mechanics$39,300
Android Apps$84,350
Civil Engineers$72,120
Electrical Engineers$78,900
Environmental Engineers$72,590
Graphic Design$49,300
Industrial Engineering$70,630
Maintenance Technician$63,230
Mechanical Engineers$63,230
.NET Developer$88,620
Network Analysts$65,230
Project Management$68,100
Robotics $82,160
Solar Energy$81,050
Software Development$79,920
Surveying $23,640
SWIFT, iOS$85,400
Technical Writers$60,850
Urban Planners $58,940
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On our pages, you can find career training and listings of engineering jobs, updated hourly. This website is not affiliated with any educational institution, and all trademarks are exclusive property of the respective owners. College Inspector is the work of a group of Thai students in Bangkok, using info from the US Department of Education, Postsecondary Education Data System (IPEDS). If any stats are incorrect, please contact us with the right data.

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