July 9, 2009

Electric for Off-Road Rigs
Basics of Electromagnetic Clutches and Brakes
How to Test Superefficient Transformers
Inspecting Parts in Infrared
See How Autodesk Inventor Takes You Beyond 3D to Digital Prototyping

July 9, 2009

Digital

Editorial Comment

Leland Teschler's Editorial: Car Buying in the Age of Bankruptcy

Does anybody want to buy a car from a bankrupt automaker? The answer may determine the future of the auto industry in the U.S.

Letters 07/09/2009

Readers responded to a request to send in their experiences with E85, the gasoline/ethanol blend meant to curb our appetite for foreign oil while cleaning up the environment.

Car Reviews: 2009: FWD Lincoln MKS

The full-size Lincoln MKS sedan, Lincoln’s flagship, has a classic, yet understated and distinctive look.

Wireless Sensor Connections

Wireless inductive systems provide power and signal connectivity so ordinary sensors can remain attached to removable or interchangeable pieces of equipment

Proper Training, Protective Gear, and Design Essential to Mower Safety

A man was injured while attempting to reattach a loose grass-collecting bag to a rented mower. Inadequate training, missing safety gear, and poor mower design contributed to the mishap.

Additive Manufacturing for Biomedical

Newer technologies allow the fabrication of custom implants directly from CAD data.

Sustainable Engineering

A new series of workshops cover ecodesign and life-cycle-assessment techniques useful for companies trying to field environmentally sustainable product designs.

Vantage Point

U.S. Metalcasting Industry is Committed to Greater Energy Efficiency and Environmental Sustainability

The U.S. metalcasting industry builds key components for alternative energy sources and fuel-efficient vehicles. And it’s committed to energy-efficient processes and recycling.

Careers

"Service-Learning” Might Help Attract Engineering Students

Tufts University is going to investigate whether service-learning -- basically do-gooder type engineering programs -- will help attract kids and especially women to engineering careers.

Be a Better Problem Solver — Get More REM Sleep Students

Researchers at the University of California, San Diego School of Medicine think Rapid Eye Movement (REM) sleep may enhance creative problem-solving.

Good News: Brains Beat Beauty for Earning Higher Pay

Researchers have found that physical attractiveness has a significant impact on how much people get paid.

Orr on Engineering

Options for the Unemployed

There are many options engineers can explore to increase their revenue stream.

Backtalk

Backtalk 07/09/2009

For the past three years, Calhoun Community College has been sparking the interest of area high school girls in nontraditional, high-wage careers in welding and electrical technology.

Features

Hybrid Drives for Construction Equipment

Construction-equipment manufacturers are replacing traditional mechanical and hydraulic systems with hybrid-electric drives, reducing fuel consumption and emissions while raising productivity.

The Basics of Electromagnetic Clutches and Brakes

Electromagnetic clutches and brakes use electrical activation to transfer mechanical torque. Designers can customize the units with friction materials, air gaps, and overexcitation techniques.

Basics of Design Engineering

Solid-State ac Power Sources for Transformer Testing

Solid-state ac supplies replace motor-generator and tap-changing transformers to offer the same tests at the push of a button

Infrared Cameras Improve In-Line Quality Control

Infrared cameras provide noncontact, real-time temperature data on parts and production equipment to automate quality control, even on fast-moving production lines.

Scanning the Field

Sikorsky Develops the X2, a Technology Demonstrator for Next-Generation Helicopter Equipment and Controls

Sikorsky develops the X2, a technology demonstrator for next-generation helicopter equipment and controls.

QuickStick Modules from MagneMotion Move Parts and Materials Quickly and Simply and Without Power-Transmission Components

QuickStick modules from MagneMotion move parts and materials quickly and simply and without power-transmission components.

News

Plastics to Replace Aluminum in Airline-Catering Trolleys

An all-polymer trolley for in-flight catering weighs less, lasts longer, and has a smaller carbon footprint than traditional all-aluminum trolleys.

Semicon West Show: Conditions Much Worse than 2001

Semiconductor equipment sales are back to where they were in the early 1990s as the Semicon West show kicks off in San Francisco.

Graphite to Replace Copper for Interconnects?

Graphene, comprised of thin layers of common graphite, is a possible replacement for copper, say researchers at Georgia Institute of Technology.

Plastics Keep Electronics Out of the Weather

A rotationally molded plastic telecom cabinet may cut costs and need less maintenance and less-frequent replacement.

Is That a Genuine UL Mark or a Counterfeit?

There are several tell-tale signs that reveal if a UL symbol is genuine or not.

NIST Develops a Flexible Memory That Also Acts as a Memristors

NIST develops a flexible memory that also acts as a memristors

Looking Back

Looking Back -7/09/2009

Reels on wheels, Microprocessor steers missile, Ventilated centerplate cools highspeed clutch

New Products

New Products: Wireless Sensor Node

The HS-Link high-speed wireless node has 100-kHz sample rates on its three channels.

New Products: Tower Lights Use LEDs

The EZ-LIGHT TL50 Tower Lights display up to five colors in one tower and allow multiple colors to be lit simultaneously.

New Products: Synchronous Drives

The dual-sprocket design of Synchronous Plus synchronous drives feature both metric and standard-tapped holes coupled with a high-capacity Synchronous Plus belt, resulting in 50% more horsepower capacity than standard-construction, high-torque drives.

New Products: Proportional Flow-Control Valve

Normally closed two-way valve provides proportional flow control from direct, PFM, PNM, or PWM signals.

New Products: Nylon Hose Clamps

The Kwik Clamp line of nylon hose clamps now withstand -40 to 302°F and handle moderate nonhydraulic pressure applications in a wide variety of industries.

New Products: Bellows, Couplings, Contacts, and Electroforms

Precision, electrodeposited nickel bellows, flexible shaft couplings, electrical contacts, and lightweight, structurally rigid electroforms are available

New Products: Miniature Balls

Miniature balls, previously available in sizes up to 5/32 in. in diameter, now come in diameters up to 1 in.

New Products: Dc Gearmotor with Speed Control

Six models comprise the VWDIR134 line of parallel-shaft dc gearmotors designed for high-torque applications.

New Products: Cylinder-Rod Boots

Gortite protective boots for cylinder rods stop rod scoring, prevent nicking, and extend seal life by protecting the rods from chips, abrasive particles, and other impinging objects

July 9, 2009

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