Mechanical Engineering-CIME articles from August 2003

Mechanical Engineering-CIME archives from August 2003

Continuity and change.(American Society of Mechanical Engineers )(Editorial)
August 1, 2003... Technologies, like computer simulation and modeling and others that in recent years have simplified certain engineering functions, have altered the economics of product development. But as you've read in this magazine and elsewhere, while...

Computer-assisted branding.(Letter to the Editor)
August 1, 2003... To the Editor: I echo both points made by Ron Foltz in "CAD Before the Pro" (Letters, October 2002). I worked for a big corporation and the working environment was exactly as described in his comments--a lean workforce without any...

ABC not always simple.(Letter to the Editor)
August 1, 2003... To the Editor: The "Alphabet Soup" article in the January issue was a lighthearted look at what is going on, but it didn't really address the important issue: what to do about it. People use abbreviations for the obvious reason that they...

Intelligence at work.(Letter to the Editor)
August 1, 2003... To the Editor: The March article, "Thoroughbred Structures," in Mechanical Engineering Design told the interesting story of how one engineer learned to make a stronger structure by observing the design of a horse's leg bone. The article...

Weighing the science.(Letters)
August 1, 2003... To the Editor: In direct opposition to Travis Ledford's encouragement of "other viewpoints on the origin of creation" in your articles ("Alternative Theory" Letters, March), I hereby cast my vote firmly against anything that has zero scientific...

California waters.(Letters)(Letter to the Editor)
August 1, 2003... To the Editor: Barbara Wolcott, in her February article, "Putting Water Back," identifies the West Valley Feeder No. 2 pipeline, damaged in the 1994 Northridge earthquake, with the State Water Project. The pipeline is a facility in the...

Alternative combustible.(Letters)(Letter to the Editor)
August 1, 2003... To the Editor: I found the article "Children of the Corn" in the January issue extremely interesting. For some time, I have thought that ethanol seems to be a logical choice to replace petroleum based fuels. The reason we have not done so in...

Watching for more.(Letters)(Letter to the Editor)
August 1, 2003... To the Editor: It was very refreshing to read "Neighborhood Watch," written by "Saul Parkee" in the March issue. I certainly would welcome more articles that reflect the plight of everyday life. Engineers, in particular, should take the time...

200,000 Divided by 20.(Letters)
August 1, 2003... To the Editor: I should make it clear that I do not pretend to have had any first-hand experience with TRIZ as reported in Mechanical Engineering Design in the March issue. I was, however, involved in an exchange of letters with the editor of...

Directing the band.(news & Notes)(Brief Article)
August 1, 2003... Researchers at Sandia National Laboratories in Albuquerque, N.M., have built a microscopic tungsten lattice that can absorb energy and emit it concentrated in a narrow range of frequencies. Although the principle behind the phenomenon is still...

E. coli bacteria as cancer fighter.(news & Notes)
August 1, 2003... A University of Delaware researcher found that bacterial cells progress toward optimal behavior, a finding that might help researchers design and construct cells to perform tasks like cleaning up toxic waste spills or fighting cancer cells. ...

Only on M.E. Magazine Online: @ www.memagazine.org.(news & Notes)
August 1, 2003... Responses to the July Question of Month: Should the federal government offer financial incentives for construction of new. nuclear power generating units? A new Question of the Month will be posted on www.memagazine.org, Aug. 1-13. ...

Saw safety.(news & Notes)(Brief Article)
August 1, 2003... After 18 months spent trying to find a table saw manufacturer to license his safety device, a blade brake, SawStop inventor Steve Gass decided he'd have to build his own. SawStop LLC of Wilsonville, Ore., is accepting orders for the saws, with...

The New York Power Authority will buy up to 50 MW from wind power projects being built in western New York and the Finger Lakes region.(Briefly noted)(Brief Article)
August 1, 2003... The New York Power Authority will buy up to 50 MW from wind power projects being built in western New York and the Finger Lakes region. NYPA has contracted with Chautauqua Windpower LLC, a 1,700-acre project, and the 2,700-acre Windfarm...

Metaldyne Corp of Plymouth, Mich., completed the acquisition of the Greensboro, N.C., operation of Torque-Traction Manufacturing Inc.(Briefly noted)(Brief Article)
August 1, 2003... Metaldyne Corp. of Plymouth, Mich., completed the acquisition of the Greensboro, N.C., operation of Torque-Traction Manufacturing Inc., a subsidiary of Dana Corp. The 220,000-square-foot facility manufactures steering knuckles for passenger car...

Husky Injection Molding Systems Ltd.(Briefly noted)(is upgrading its polyethylene terephthalate blowmold facility)(Brief Article)
August 1, 2003... Husky injection Molding Systems Ltd. is upgrading its polyethylene terephthalate blowmold facility at Bolton, Ontario. The facility will include new machining centers specially designed for the production of perform mold components. Husky also...

Battelle of Columbus, Ohio, has acquired the Pipeline Simulation Facility in West Jefferson, Ohio, and will rename the facility the Battelle Pipeline Safety & Reliability Center.(Briefly noted)(Brief Article)
August 1, 2003... Battelle of Columbus; Ohio, has acquired the Pipeline. Simulation Facility in West Jefferson, Ohio, and will rename the facility the Battelle Pipeline Safety & Reliability Center. The facility includes a full-scale flow loop for testing and...

Calgon Carbon Corp. of Pittsburg has signed a $7.5 million contract with the City of Monterey Park, Calif., for the turnkey design and installation of the drinking water treatment system for the removal of perchlorate.(Briefly noted)(Brief Article)
August 1, 2003... Calgon Carbon Corp. of Pittsburgh has signed a $7.5 million contract with the City of Monterey Park, Calif., for the turnkey design and installation of a drinking water treatment system for the removal of perchlorate. The system will use Calgon...

Rolling steel right the first time.(computing)
August 1, 2003... At Corcus Construction & Industrial, mill design engineers simulate multipass rolling of steel sections using a custom system based on finite element analysis software. The company, headquartered in Scunthorpe, England, makes plate...

Pump manufacturer uses 3-d design.(computing)(Brief Article)
August 1, 2003... A Houston pump manufacturer plans to cut design time in half and bring its products to market faster with the use of new computer-aided design software. The pump maker, Weir Pumps Ltd., plans to standardize its CAD software as it continues...

Sewing up savings.(computing)(Unicorn Industrial Sewing Machine Corp.)(Brief Article)
August 1, 2003... Development cycles have been cut in half by moving from two-dimensional to three-dimensional computer-aided design software at Unicorn Industrial Sewing Machine Corp. of Seoul, Korea, which makes the Brother sewing machine. Aided by the...

Auto developers see the same parts.(computing)(PTC)(Brief Article)
August 1, 2003... The Volkswagen group has implemented collaboration software to be used by the many employees who need to see graphical representation of the 3-D data created during product development. The carmaker, located in Wolfsburg, Germany, uses the...

Software had a hand in your office chair.(computing)(Brief Article)
August 1, 2003... The design of office furniture is more complex than meets the eye, according to Richard Scott, a senior business consultant at Steelcase Inc. of Grand Rapids, Mich. His company makes office furniture and related products, such as lighting,...

Making MEMS: first, you must see them.(computing)(microelectromechanical systems)(Brief Article)
August 1, 2003... MEMS are miniaturized structures that perform one or more mechanical, electronic, thermal, optical, radio frequency, or magnetic functions. The systems sense, control, and actuate on a micro scale. MEMS function individually or can be arrayed...

F-35 tests run quicker.(computing)(Brief Article)
August 1, 2003... Lockheed Martin Aeronautics Co. is conducting tests On its F-35 Joint Strike Fighter 80 times faster than previously after implementing new testing hardware and software, said Darrel Russell, senior staff engineer at Lockheed Martin. The...

International paper shuffling.(computing)(Brief Article)
August 1, 2003... No more passing paper back and forth for engineers at one boiler and steam-generator manufacturer. They now can send information digitally to suppliers and partners around the world. The manufacturer, Aalborg Industries, began taking...

Software and consulting companies Trinity Technologies of Wellesley, Mass., and Construction Systems Associates of Atlanta, have formed a joint venture company to serve the energy and process industries.(Briefly noted)(TrinityCSA helps companies unify, use digital data from pre-existing design, engineering, and maintenance systems)(Brief Article)
August 1, 2003... Software and consulting companies Trinity Technologies of Wellesley, Mass., and Construction Systems Associates of Atlanta, have formed a joint venture company to serve the energy and process industries. TrinityCSA helps companies unify and use...

Actify Inc. of San Francisco, a maker of CAD viewing technology for the discrete manufacturing industry, has signed an agreement with Spatial of Westminster, Colo., a Dassault Systemes company and a maker of 3-D subsystems.(Briefly noted)(Brief Article)
August 1, 2003... Actify Inc. of San Francisco, a maker of CAD viewing technology for the discrete manufacturing industry, has signed an agreement with Spatial of Westminster, Colo., a Dassault Systemes company and a maker of 3-D subsystems. The agreement will...

Bluebeam Software.(Briefly noted)(launches new printer software)(Brief Article)
August 1, 2003... Bluebeam Software of Pasadena, Calif., has released its Bluebeam PDF Printer, which allow users to create portable document files from any CAD or Windows application.

LMS International.(Briefly noted)(has released revision 4 of LMS Test Lab)(Brief Article)
August 1, 2003... LMS International of Leuven, Belgium, has released revision 4 of LMS Test. Lab, an integrated software suite for noise and vibration testing and engineering.

RealityWave Inc.(Briefly noted)(has released version 3.5 of its VizStream Enterprise Platform)(Brief Article)
August 1, 2003... A developer of technology that integrates industrial data with the enterprise system, RealityWave Inc. of Cambridge, Mass., has released version 3.5 of its VizStream Enterprise Platform. The platform enables access, visualization, and...

Veros Software.(Briefly noted)(has released VeroSolve version 5.0)(Brief Article)
August 1, 2003... Veros Software of Irvine, Calif., has released VeroSolve version 5.0, an upgrade to the company's probabilistic software.

Intergraph Corp.(Briefly noted)(Process, Power & Offshore division has released SmartPlant Offshore software )(Brief Article)
August 1, 2003... The Process, Power & Offshore division of Intergraph Corp. of Huntsville, Ala., has released SmartPlant Offshore software for the engineering, design, and construction of marine oil and gas facilities.

CADCAM-E.(Briefly noted)(has released an upgrade to its Unigraphics to Pro/Engineer translator)(Brief Article)
August 1, 2003... A provider of CAD and computer-aided manufacturing engineering services and data translation products, CADCAM-E of Farmington Hills, Mich., has released an upgrade to its Unigraphics to Pro/Engineer translator, called CIMPro-UG version 1.3.

IBM.(Briefly noted)( added four new offerings to its line of grid computing software)(Brief Article)
August 1, 2003... IBM of Armonk, N.Y., has added four new offerings to its line of grid computing software. The programs are intended for petroleum, electronics, higher education, and agricultural chemicals applications.

EDS.(Briefly noted)(Brief Article)
August 1, 2003... Computer-aided engineering software provider EDS of Piano, Texas, has released Unigraphics NX 2, an upgrade to its integrated CAD, computer-aided manufacturing, and engineering analysis software.

CAD Design upgrade.(software Exchange)
August 1, 2003... Capability: Alibre has upgraded its Design CAD software application as well as its Design Professional application. The latter is an extended version of Design that includes several add-ons. Additional features introduced in this Design upgrade...

Noise evaluation.(software Exchange)
August 1, 2003... Capability: Engineering Noise Control software evaluates nearly all the expressions and algorithms in the book Engineering Noise Control: Theory and Practice, Second Edition, by D.A. Bies and C.H. Hansen. Where appropriate, results are plotted...

Piping calculation.(software Exchange)
August 1, 2003... Capability: PipingOffice is a set of 22 spreadsheets. Included are ASME B31.1, B31.3, and B31.5 calculations for pipe allowable pressures, branch reinforcement, miters, stress intensification, flexibility factors, and B31.1 safety valve...

CAD to PDF conversion.(software Exchange)
August 1, 2003... Capability: Adobe 6.0 Professional allows the creation of searchable electronic archives to help speed the design cycle. Engineers can use the program to exchange and review technical and design documentation created with Autodesk, AutoCAD,...

From lake water to feedwater.(Fluid Handling And Fluid Power)(USFilter)(Brief Article)
August 1, 2003... The Wisconsin Electric Power Co.'s Point Beach Nuclear Power Plant in Two Rivers, Wis., draws its feedwater from Lake Michigan. That water goes through extensive filtering before it can be run through the plant's reverse osmosis system. ...

Use of synthetic fluid to spread.(Fluid Handling And Fluid Power)(Brief Article)
August 1, 2003... Demand for synthetic lubricants and functional fluids in the United States is forecast to grow 5 percent per year, to $2.8 billion, by 2006, according to a study from The Freedonia Group, a market research company in Cleveland. Demand reached...

Quicker, cleaner water.(Fluid Handling And Fluid Power)(Brief Article)
August 1, 2003... When it comes to water treatment, you can't fool around. Parents are going to wash their babies in it. People are going to mix it with scotch or drink it plain. Severn Trent Services of Fort Washington, Pa., has introduced a precision dosing...

Two screw pumps are better than one.(Fluid Handling And Fluid Power)(Flowserve Corp. has donated a rotary, two-screw pump to Texas A&M University)(Brief Article)
August 1, 2003... Multiphase pumping, an evolving technology, has been called the final pumping frontier. Flowserve Corp. of Irving, Texas, is bringing this deep drilling process closer to the surface with the donation of a rotary, two-screw pump to Texas A&M...

A probe in time.(Fluid Handling And Fluid Power)
August 1, 2003... When you're producing natural gas and oil in deep water, any shutdown is a costly one. In locations such as the Gulf of Mexico, where the pipelines are run under more than 7,000 feet of water and the temperatures are between 38[degrees] and...

The clean, green fire-fighting machine.(Fluid Handling And Fluid Power)(Brief Article)
August 1, 2003... Petroleum-based hydraulic fluid is usually difficult to ignite. However, when a high-pressure hydraulic line breaks, the fluid atomizes into a fine mist that can spray up to 50 feet. An open flame, a hot surface, or a spark can instantly ignite...

Is that jacket warm enough?(Fluid Handling And Fluid Power)
August 1, 2003... With processes that require high temperature, keeping fluids from cooling as they pass through valves is a constant challenge. One solution is to put heating jackets on the valves, but according to the folks at Controls Southeast of Charlotte,...

Nuclear power: poised for resurgence?(Washington Window)
August 1, 2003... If you're a fan of nuclear power, there's more hope for increasing its use in the United States than there has been for the past quarter-century or so. If you're an opponent of nuclear power, it could very well be that you can soon dust off the...

Chemical metering pumps.(new Products)
August 1, 2003... OMEGA ENGINEERING INC., STAMFORD, CONN. The PHP-600 series pumps have been designed to accommodate diverse applications. The pumps can be mounted anywhere in a plant with a broad, flat base and mounting holes for tank, shelf, or floor mounting...

Optical encoders.(new Products)
August 1, 2003... THOMSON MICRON, RONKONKOMA, N.Y. This new line of high-performance, low-cost incremental encoders has commutating ability. The two new models, which feature high resolution and low inertia, satisfy moderate to high-end accuracy requirements....

Grippers with spring assist.(new Products)
August 1, 2003... PHD INC., FORT WAYNE, IND. Series GRS Grippers are now available with optional spring assist, which enhances maximum gripping force and provides part retention upon the loss of air pressure. GRS Grippers have an angled cam mechanism and...

Instrumentation tubing.(new Products)
August 1, 2003... SWAGELOK CO., SOLON, OHIO. The company now offers two new lines of instrumentation tubing. Insulated tubing is designed to reduce heat loss and help protect personnel from hot process and steam lines. Surrounded by a fibrous glass,...

Ultrasonic precision thickness gauge.(new Products)
August 1, 2003... AGFA NDT INC., LEWISTOWN, PA. The portable CL 400 precision thickness gauge tests a variety of materials, including thin gauge metals, plastics, glass, ceramics, and others from one side only. Help window text messages guide the user through...

Precision sensing.(new Products)
August 1, 2003... BANNER ENGINEERING CORP., MINNEAPOLIS, MINN. The World-Beam QS30AF adjustable-field sensors feature an advanced microprocessor design for precise background suppression, ease of programming, and accurate, reliable target detection. They are...

Compact drive systems.(new Products)
August 1, 2003... FAULHABER GROUP, MICROMO ELECTRONICS INC., CLEARWATER, FLA. New drive systems 1717 SR and 1724 SR offer compactness and high resolution with an integrated IE2 encoder. With a diameter of 17 mm and length of 17 or 24 mm, these motors have high...

Radar transmitters.(new Products)
August 1, 2003... EMERSON PROCESS MANAGEMENT, ROSEMOUNT DIV., CHANHASSEN, MINN. The Rosemount 3300 guided wave radar transmitter is a two-wire level and interface radar transmitter. It allows simultaneous interface and level measurement in process tanks. Using...

Miniature linear gauge sensor.(new Products)
August 1, 2003... ONO SOKKI TECHNOLOGY INC., ADDISON, ILL. Model BS-112, a miniature linear gauge sensor, can measure dimensions, thickness, curvature, eccentricity, displacement, height, depth, flatness, variation, run-out, roundness, distortion, deflection,...

Measuring magnifier.(new Products)
August 1, 2003... GEI INTERNATIONAL INC., SYRACUSE, N.Y. The Model ONS-0383 telecentric collimating measuring magnifier is designed to prevent errors due to parallax when objects are viewed and measured. The custom optical system of the magnifier is different...

Digital I/0 solution.(new Products)
August 1, 2003... ACCESS I/O PRODUCTS INC., SAN DIEGO, CALIF. A ready-to-use digital I/O solution, the RIO-24 has 24 bits in any combination of inputs or high-current outputs. The unit is housed in a steel enclosure and interfaces to a controlling computer...

Compressed air noise.(product Information)
August 1, 2003... EXAIR CORP., CINCINNATI, OHIO. The Air Nozzles and Jets Blowoff Guide is a 16-page technical booklet that offers solutions to reducing l compressed air cost and noise. The publication details OSHA requirements for maximum allowable noise...

Leading edge technology.(product Information)
August 1, 2003... OMEGA ENGINEERING INC., STAMFORD, CONN. The Omega Volume MM Greenbook New Product Preview has a brand-new selection of leading edge technology for flow and level, pH and conductivity, temperature, and pressure. This special supplement contains...

Pressure measurement.(product Information)
August 1, 2003... AMETEK U.S. GAUGE, FEASTERVILLE, PA. A full-color catalog contains an extensive listing of the company's process gauges, liquid-filled pressure gauges, general purpose and special application gauges, temperature products, diaphragm seals,...

Dust collection design.(product Information)
August 1, 2003... FARR AIR POLLUTION CONTROL, JONESBORO, ARK. A new software program and catalog provide the tools and information needed to make informed decisions about dust collector design and selection. Customized software makes it possible to design a dust...

Electric motors and controls.(product Information)
August 1, 2003... BODINE ELECTRIC CO., CHICAGO, ILL. Additions to Bodine's new catalog of fractional horsepower electric motors, gearmotors, and controls have expanded it from 104 to 1,278 pages. New stock products in 71 new permanent magnet dc motors and...

Pump products.(product Information)
August 1, 2003... HYDRONIC CORP., FARMINGTON HILLS, MICH. All six ranges of the company's pump product line have new literature. Each model in every range is listed with new easy-to-read performance graphs and step-by-step model codes. The P901 range of...

Inductors.(product Information)
August 1, 2003... GOWANDA ELECTRONICS, GOWANDA, N.Y. This catalog addresses technical specifications, design details, custom products, and designer kits for the company's four major categories of inductors, including surface mount RF inductors, surface mount...

Measurement and inspection.(product Information)
August 1, 2003... BANNER ENGINEERING CORP., MINNEAPOLIS, MINN. This specialist in sensors and sensing products has a 220-page catalog that provides detailed information about its measurement and inspection sensing products. It has 96 new pages detailing...

Mixing it up: it takes a team of experts and a great deal of cross-fertilization to produce successful MEMS.(Feature focus: working together: MEs and EEs)(microelectromechanical systems)
August 1, 2003... The name says it all: Microelectromechanical. The devices are produced by a team effort, in which electrical and mechanical engineers bring their own brands of expertise to bear on a number of tasks that often run concurrently. Different...

Staring down the divide: electrical and mechanical engineers work together on products like cell phones. Too bad their software programs don't.(Feature focus: working together: MEs and EEs)
August 1, 2003... Like cellular telephones and computers, all products made up of a combination of printed circuit boards and shaped materials like plastics require a rather tight degree of cooperation among mechanical engineers, electrical engineers, and finite...

So long, pump monkey: schooling up on home refueling. You've been serving yourself for too long already.
August 1, 2003... A Honda spokesman at the 2002 conference of the Electrical Vehicle Association of the Americas said that early buyers of the hybrid Insight counted among them more than a few engineers. Many bought the car to find out how it worked, he said....

Credentials for the job: look at the capstone design report to get a reading on an untried engineer.(Professionally Speaking)
August 1, 2003... MY BOSS AT A COMPANY once asked me how it was that every Ph.D. interviewed could be rated in the top 10 percent by a dissertation advisor. Obviously, they are from the University of Lake Woebegone, where all the students are above average. ...

A whole new heart: more than two decades after the first ill-fated attempt at building a better heart, research and technology are finally catching up with intent.
August 1, 2003... THE CONCEPT OF A MECHANICAL HEART is nothing new. The first permanent replacement heart, an air-driven device called the Jarvik-7, was developed by Willem Kolff and Don Olsen. Barney Clark, a dentist from Seattle, received the device in a 1982...

Military intelligence: a smart system says a helicopter is good to go; a smarter one predicts for how long.
August 1, 2003... THE U.S. ARMED FORCES rely on the H-60 to carry troops, cargo, even electronic-jamming equipment. Variations of the helicopter include Black Hawks, Pave Hawks, and Seahawks. The manufacturer, Sikorsky Aircraft Corp., says more than 2,500 H-60s...

Bolted joint evaluation software.(the resource File)
August 1, 2003... BoltFAST consists of three distinct components: Joint Analysis, Torque Analysis and Thread Analysis. By combining a large database of fastener and interface materials and their physical characteristics, BoltFAST allows the engineer to quickly...

Ultra-Slim[TM] bearings fit tight design envelopes.(the resource File)
August 1, 2003... At just 2.5 mm wide, Ultra-Slim bearings are available in bore sizes ranging from 35 mm to 170 mm. Precision-engineered of stainless steel for corrosion resistance. Select from angular, radial, or four-point contact styles. Hybrid versions with...

Film indicates stress distribution.(the resource File)
August 1, 2003... Pressurex[R] enables you to quickly and inexpensively determine force distribution and magnitude between contacting surfaces. Microcapsules within the film burst at specific pressure levels and cause an instantaneous color change, producing a...

Simplify linear motion design, setup, operation.(the resource File)
August 1, 2003... Amacoil/Uhing linear motion assemblies for positioning, indexing, scanning, winding, x-y table movement, cutting, grinding, other applications. Smooth shaft-no clogging. Drive head travel direction automatically, instantaneously...

Wave springs.(the resource File)
August 1, 2003... The new Smalley Steel Ring Company Wave Spring Catalog is now available. Smalley has over 1800 springs in stock with sizes from 3/8," to 16". Special designs range from 9/32" to 84" carbon and stainless steel are available. Smalley offers a...

Motors, drives and generators.(the resource File)
August 1, 2003... Baldor offers a broad product line to serve customers' diverse needs. Industrial AC and DC electric motors, ranging from 1/50 through 1500 horsepower, are the mainstay of the company's products. Baldor's new line of Standard-E[TM] motors are...

Worm gear speed reducers.(the resource File)
August 1, 2003... Boston Gear 700 Series worm gear speed reducers have over 120 years of power transmission design expertise designed and built into each unit. Single reduction units are available in 1/6 through 25 hp and double reduction units are available...

New optics catalog.(the resource File)
August 1, 2003... Rolyn Optics announces its new catalog, "Optics for Industry." 140 pages of product data, photos, performance graphs and ordering information. Simple and compound lenses, prisms, optical flats/flat glass, flat and concave mirrors, absorption...

Fundamentals of Rotating Machinery Diagnostics, by Donald E. Bently with Charles T. Hatch.(the resource File)
August 1, 2003... A practical text covering the fundamentals of machinery diagnostics for anyone who works with rotating machinery. Written for operators, managers, design engineers and machinery diagnosticians. This comprehensive book thoroughly explains and...

Penn inline entrainment separators improve efficiency.(the resource File)
August 1, 2003... Penn Separator Corp. manufactures inline separators that centrifugally separate out entrainment from steam, air, and other gases. They are available in 3/4" to 20" line sizes and are sized according to the flow rate and operating pressure....

Rotating electrical connectors.(the resource File)
August 1, 2003... Liquid metal wetted connectors are superior to conventional slip rings and feature sealed ball bearing construction. Durable, compact connectors offer increased reliability, low electrical noise and less than 1 milliohm resistance. Ideal for...