February 04, 2010

There’ the Problem! High-Speed Cameras Point the Way
FEA At the Grain Level? Yes, It Makes Sense!
All Test Vendors Aren't Created Equal
Secrets of Electronic Preloading
The Perils of Inaccurate Thermal Models

February 4, 2010

Features

Modeling stresses at metal’s grain level

Until now, missing in traditional FEA was a way to factor in how the material itself reacts to stress forces and how reactions evolve and change over time.

Tips and Advice on Buying a High-Speed Camera for Troubleshooting Industrial Machines and Processes

Advice on buying high-speed cameras to slow things down.

Comparing Performance and Efficiency of Linear Motors, Ball Screws, and Rack-and-Pinion Drives.

Sizing up linear drives

Why Servomotor Temperature Sensors can Give Misleading Readings

Conventional thermal models can be inaccurate enough to cause trouble when servomotors get pushed to their limits.

New Uses for Linear Variable Differential Transformers (LVDTs)

Linear variable differential transformers (LVDTs) continue to find use in critical and innovative applications.

Editorial Comment

Leland Teschler's Editorial: Behind the Scenes at the Auto Show

Journalists tend to be cynics by nature, and that certainly seems true of many who cover the auto industry.

Letters 02/04/2010

A recent editorial took inexperienced MBAs and business consultants who never ran a successful business to task for their lackluster record in running companies.

Tips for Selecting a Test Vendor

Here are some common-sense guidelines for choosing a contract test vendor

Industrial Design

Understanding Material Anisotropy

Because strength anisotropy accompanies nearly every production process and material, it is prudent to consider the effects of a material’s directional variations on a design.

Vantage Point

Personalized Attention Comes to Engineering

Digital tools put content from handbooks, materials property databases, standards, magazine articles, online searches, and other sources and an engineer’s fingertips.

Berke on Safety

Warnings, Guards, and Safety Analysis Could Have Prevented Router Injury

A worker was injured when his hand touched an unguarded spinning router bit while he adjusted a clamp.

Orr on Engineering

Orr On Debt

People who are comfortable discussing the most intimate details of their lives — and those of others — become red-faced and start stammering when the subject of debt comes up

Backtalk

Backtalk 02/04/2010

Loop Pointer In-Air Mouse lets you control on-screen activities on your computer or TV

Scanning the Field

Bimba Ultran Rodless Cylinders Magnetically Couple Carriage to Pistons

Bimba Ultran rodless cylinders magnetically couple carriage to pistons.

Economical Hydraulic Hose from, Gates Handles up to 4,000 psi

Economical Hydraulic hose from, Gates handles up to 4,000 psi.

News

Proper Tooling Improves Quality and Productivity for Conduit Maker

Proper tooling improves quality and productivity for conduit maker.

Software Models Physical Structures Automatically

A technology called ProForma (Probabilistic Feature-based On-line Rapid Model Acquisition) from researchers at Cambridge Univ. lets users build 3D models of textured objects by rotating the real-world object in front of a video camera.

Students Design an Off-Road Wheelchair

Michigan Technological University seniors in mechanical engineering designed and built a hand-powered wheel chair for unpaved nature paths.

A Carbon Nanotube-Based FET Detects and Quantifies Infectious Fungus.

A carbon nanotube-based FET detects and quantifies infectious fungus.

Preventing Large-Scale Weld Failures

To better understand weld failures that start as such minute imperfections, the Univ. of Leicester in England is heading a $7.1-million project called MintWeld which includes 11 partners from seven countries.

Boeing Develops the Massive Ordnance Penetrator, a 15-ton Laser-Guided Bomb.

Boeing develops the Massive Ordnance Penetrator, a 15-ton laser-guided bomb.

Scientists at the National Institute of Standards and Technology Say They Have Discovered a Monopole

Scientists at the National Institute of Standards and Technology say they have discovered a monopole — a magnet with just one pole.

FDA Poised to Approve Depuy Orthopaedics First Ceramic-On-Metal Hip Replacement for U.S. Market

FDA poised to approve Depuy Orthopaedics first ceramic-on-metal hip replacement for U.S. market

Quantum Dots Let Researchers Identify and Quantify a Person’s Risk of Getting Cancer

Quantum dots let researchers identify and quantify a person’s risk of getting cancer.

Looking Back

Looking Back 02/04/2010

Compaq debuts entry-level workstation: The Deskpro Workstation 240 from Compaq Computer Corp. bridges the gap between desktop computers and professional workstations.

February 04, 2010

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