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Showing posts from 2008

Basic FEA Gallery (ABAQUS)

Click below to go to the gallery:
Basic FEA gallery of AEG

Custom Molded Rubber Components for Automotive and Aerospace Industries

Rubber Products Manufactured by AEG

AEG (ISO 9001) is a contract manufacturer of molded rubber components for various engineering applications. We cater to diverse industries like automotive, aerospace, electrical, medical and industrial sectors. Our manufacturing facilities (subcontractors), located in the US,India, China and Korea are well equipped with advanced technological capabilities and in house tooling.

MEMS Lectures Collection

Here are a few lectures by professors from different schools on some topics related to Micro-Electromechanical Systems (MEMS):

Composed by AEG

Modeling and Design of MEMS
- by GK Ananthasuresh
Fundamentals of Microfabrication- by Dr.Bruce Gale
Micro-electromechanical Systems- by Thomas B Jones
Dynamics and Controls of MEMS- by Dr.Liliy Dong
Micro/Nano Processing Technology- by Prof. Martin Schmidt
Design and fabrication of Micro-Electromechanical Systems- by Prof. Carol Livermore
Introduction to Micro-Electormechanical Systems- by Prof. Andreas G Andreou
MEMS Physics and Design- by Prof. Ming Wu
Design and fabrication of Micro-Electromechanical Systems- by Prof. Reza Ghodssi


MEMS National LabsCompiled by AEG LabsThis is a comprehensive link to the University Labs working on MEMS area. The name of the Director of the Lab is provided for convenience. – Dr Gary Fedder of Minnesota of Cincinnati – Dr. Chong Ahn of Cincinnati – Dr. Jason Heikenfeld of Cincinnati – Dr. Ian Papautsky of Colorado at Boulder – Dr. Victor Bright University of Maryland – Dr. Don DeVoe – NanotechCenter …

Challenges in the Finite Element Analysis of Tire Design using ABAQUS

Finite Element Analysis of Vehicle and Tire has become a very important aspect of a tire design and failure analysis to most Tire companies. Tire modeling with ABAQUS is a very complicated process involving complex materials like hyperelastic rubber and textile reinforcements, large model size, prolonged simulation time and various convergence issues. This white paper intends to help in understanding the challenges in tire analysis and several tips and tricks that makes a difference in the quality of the results and processing time. AEG hopes that this article will be useful to ABAQUS users working in the field of tire design and analysis. A general tire has the following major tire components Tread Belt Region Inner LinerSidewall Region Inner Carcass RegionBead Filler Region Apex/Chafer Region Beads Reinforcements Nylon Cap Ply Steel BeltsCarcass Ply Constructing the structure of the tire and modeling of each component is the first step into the analysis. AEG found that utilizing the…

MEMS Resources

MEMS Resources on WEBCompiled by AEG
Here is a comprehensive list of MEMS resources that proves to be helpful time to time.
A number of portals specializes in MEMS ,some of them a listed below exploration in the internet starts from the wikipedia. The description of MEMS here is not very thorough but it serves the purpose. The links associated to these documents are useful. portal is entirely dedicated to the MEMS community. It gives a basic overview about MEMS and Nanotechnology and provides a comprehensive idea about the micro fabrication processes. This site provides a link to the founder company , which is a contract foundry service. The job board and the discussion groups is the main attraction of this site whereas the news and event sections are regularly update which makes this site very attractive. While browsing this site, don’t overlook a menu on the right side, as it contains …

AEG Carbon Fiber-Polyurethane Solid Tire

AEG Carbon Fiber-Polyurethane Solid Tire
Military Tire-WHEEL (MTW) ASSEMBLY FOR Future tactical and combat vehicles is placing emphasis on handling, traction, and cornering tire performance for the light trucks. In order to meet these high performance standards, solid tire with aspect ratio lower than 0.35 have been developed by American Engineering Group (AEG), Akron, OhioTire Size: LT225/35R19Rim Width: 7.0 inchesTread Width: 7.6inchesOverall Diameter: 25.0 inchesSpeed rating:80mphAEG aims to eliminate tire blowouts with its remarkable integrated Carbon Fiber Ring-Wheel “MTW” assembly, a solid one-piece wheel-and-tread system that could soon enter manufacturing. The MTW's rim is bonded to soft polyurethane foam that provides the shock-absorbing property of a traditional pneumatic tire. The circumference of the soft polyurethane foam layer is bonded to a Carbon Fiber ring along with tire tread. By varying the thickness and geometry of the polyurethane soft layer, this unique tire-…

AEG Carbon Fiber-Elastomer Composite Bipolar Plate for PEM Fuel Cells

AEG Carbon Fiber-Elastomer Composite Bipolar Plate for PEM Fuel Cells
Fuel cells constitute one of the most promising sources of environmental friendly energy for the future. These systems produce electrical energy by converting the chemical energy stored in a fuel, such as hydrogen or methanol, through oxidation-reduction reactions. A proton exchange membrane (PEM) fuel cell is a stack of electrochemical cell systems (Figure) placed in series. Since the electrons must transit from the anode of one cell to the cathode of the next cell, electrical conductivity through the plate is a main requirement. Another important requirement is the low permeability to the reacting gases or to ions. The bipolar plates should remain chemically inert for an extended period of time. The bipolar plates also should be lightweight and easily manufactured using mass-production technologies. Cost reduction is the most critical issue for automotive industry to achieve the practical use of proton exchange mem…

Noise, Vibration and Harshness (NVH) Analysis by American Engineering Group (AEG)

Noise, Vibration and Harshness (NVH) Analysis by American Engineering Group (AEG)NVH analysis provides essential benefits towards designing vehicles for ride comfort and quietness, an increasingly competitive advantage in today's global automotive market. The design of a car body structure is decisive in order to gain favorable vibration and acoustic behavior of vehicles. The body structure is the most significant transfer path for road-excited and engine-excited vibrations. The body panel vibrations are then radiated into the vehicle cavity, where they are perceived as audible noise. Apart from the audible noise, which is transferred into the cavity, structural vibrations of the body are perceived as an annoyance as well. AEG Product Design and engineering solutions have a dedicated and focused NVH team with core competency in solving complicated design problems pertaining to automotive and aerospace applications with HPC (High Performance Computing : SGI-Altix/16 GB RAM/1500 GB …

Fuel Cell Nanocomposite Double Lip Seal From American Engineering Group (AEG)

Fuel Cell Nanocomposite Double Lip Seal From American Engineering Group (AEG)
Nanocomposite double lip seal is a new nanotechnology based “over molded” seal for fuel cells from American Engineering Group, Akron, OH. This unique “double lip” seal has a primary and a secondary sealing surface. This EP terpolymer based elastomer formulation has a nano-blowing agent which helps to maintain high “long-term” sealing force retention in a fuel cell thermal cycling operational environment with vibration loads. This new nano technology based elastomer seal show very less “electrode poisoning” in fuel cell system. This sealing technology is adaptable to various planar fuel cell designs.This acid resistant, high temperature stable over-molded plastic seal has a nano-blowing agent which activates in steam based curing. Compared to other elastomers, this nano-composite elastomer has excellent resistance to creep and fatigue with good flexibility and clear film. AEG’s proprietary steam post-curing pr…

AEG Maintenance-Free Self-Lubricating Sliding Bearings

Maintenance-Free Self-Lubricating Sliding Bearings from American Engineering Group(AEG)

The present day bearing materials pose an enormous challenge because, frequently, zero maintenance is expected under severe to extreme conditions as well as under maximum loads. The constant pressure on costs additionally calls for increasing uptime of machinery and equipment and uncompromising standards of operational reliability. Maintenance-free, self-lubricating, heavy duty friction materials produced for bearings of the automotive industry offers bearing solutions guaranteed to operate reliably and safely over long term.
The self-lubricating composite sliding material consisting of a steel backing and a sliding layer. It is manufactured by using a continuous hot rolling sintering technology. This increases the reliability and service lifetime of the sliding plates significantly. These sliding materials can be used with any sliding surfaces (e.g., plain sliding surface, sliding layer with clean g…

Shock and Vibration Mounting System from AEG

Shock and Vibration Mounting System from AEGAmerican Engineering Group (AEG) has developed a new low cost “Dual Structure Shock Mount System”. This new AEG mount system design will allow varying static properties and provide dynamic shock and vibration mitigation over a wide load range for automotive and industrial applications. This dual structure system provides both axial and radial damping. The mount system will have two hollow spherical elements with top element functions as a “load bearing” element and the bottom spherical element as a vibration shock damping element.This design-formulation concept promises higher axial-radial stiffness, vibration damping, and extended life. Finite element results and prototype testing demonstrates the optimum stiffness and damping properties for the radial and axial deflection in service conditions. With recent advances in material technology, processing, and design concepts, AEG has achieved this vibration and shock performance improvement. Th…

Focused Engineering Solutions by AEG

Focused Engineering Solutions for the Manufacturing Supply Chain by American Engineering GroupComputer-Aided Design, Engineering and Manufacturing (CAD/CAE/CAM) are tools that help reduce costs and shorten the design, prototype and production cycle. These computer-aided tools can also help to incorporate Six Sigma, Lean manufacturing and Just-In-Time (JIT) in the supplier processes bringing credibility to new design concepts. American Engineering Group (AEG) is utilizing these tools to provide a Multisourcing Manufacturing Solution (MMS) by bringing new automotive components to the marketplace in the shortest possible time, with the lowest cost, and highest quality. CAD/CAE/CAM are becoming more popular as a standard analysis tools in the automotive industry for design, failure and manufacturing process analyses. Another notable reason for this popularity is the recent changes in automotive specification requirement for parts comprised of new materials or designs. The automotive indus…

AEG Torsional Damper - brief description

American Engineering Group(AEG) has developed a new “Dual Torsional Damper System”. This new AEG system design will allow varying static properties and provide dynamic shock and vibration mitigation over a wide load range for automotive and industrial applications. This dual structure system provides both axial and radial damping. The torsional damper system will have two elastomer elements with top element functions as a vibration damping element and the bottom spherical elastomer element as a noise & harness damping element.AEG dual mode damper system includes a spherical soft viscous bushing hub designed for being rigidly connected to a drive shaft, and an inertia ring, connected to the hub by means of a thin Polyurethane material layer. This dual-layer elastomer damper system is designed for torsional vibration reduction of the crankshaft system on multi-cylinder engine for vehicles. AEG polyurethane torsional dampers are designed to provide significant reduction of sound and …