Motion System Design articles from November 2003

Motion System Design archives from November 2003

E unum pluribus.(In the Loop)
November 1, 2003... The structure of the universe, from galaxies and stars to molecules and atoms, is engrained with intelligence, logic, and order. Not coincidentally, so is the human mind. Herein lies our curiosity about the world around us, how it's composed...

A call to arms.(In Response)(Letter to the Editor)
November 1, 2003... Thank you for your article "Tough sell for tough times" (August, In the Loop). Several articles in this and other trade publications have accurately expressed the plight of the U.S. manufacturer. Headlines that read: Trade Wars, Foreign...

Let's save manufacturing.(In Response)(Brief Article)(Letter to the Editor)
November 1, 2003... "Tough sell for tough times" (August In the Loop) should be required reading for anyone with a business interest in manufacturing. The issue has grave import and imperative. I hold out not much hope for action from our political leaders,...

Train for thought.(In Response)(Brief Article)(Letter to the Editor)
November 1, 2003... Regarding the August Fun With Fundamentals, the train will never reach 88 mph because: 1. The curve isn't elevated (banked); you can see the locomotive is not leaning into the turn. At such a (relatively) high speed, centrifugal force will...

Sun shines on servomotor.(What's New)(Brief Article)
November 1, 2003... North Dakota may not be the sunniest place on the map, but that didn't stop the Sun-setters, a solar race team from North Dakota State University, from placing first in the Stock class of the American Solar Challenge in July. The 10-day,...

Packed in Las Vegas.(What's New)(Brief Article)
November 1, 2003... There was a lot more than usual to see in Las Vegas Oct. 13 to 15, as more than 800 companies parading the latest in packaging technology--and 17,000 people wanting to see them--filled the Las Vegas Convention Center for Pack Expo 2003. The...

It's in the gap.(What's New)(Brief Article)
November 1, 2003... There's more than one way to convert electrical current into mechanical torque. Most motors pass current through a coil, generating an electromagnetic force that acts across a radial air gap--the space between a cylindrically shaped rotor and...

Blowing down the cost of wind energy.(What's New)(Brief Article)
November 1, 2003... In reaction to the worldwide growth of wind energy, researchers at the Department of Energy's Sandia National Laboratories are developing ways to lower the cost of this alternative energy and enable turbines to produce more power. Current...

Smooth stop-n-go.(Market spotlight: food & beverage)
November 1, 2003... Automated pouching systems need smooth intermittent motion to position, fill, and heat-seal pouches, well, smoothly. Such was the case with a stand-up pouching system from Robert's Packaging, Battle Creek, Mich., which fills and seals 220...

Motors & drives: motors and drives are where the action is. They convert electrical power into the torque and speed necessary to keep industry turning. The editors of Motion System Design conducted a survey among industry experts, asking for their feedback and analysis. Here are their responses, which we hope you'll find useful.(Productivity Forum)
November 1, 2003... When using motors and drives, what applications present the most challenges in terms of machine productivity and why? Challenges JOHN/BALDOR: In any application, the greatest challenge comes when the system integrator, designer, or...

Dynamic ceramics: ceramic balls have world-famous surfaces and precision geometry. The inherently strong material can often perform when other materials flake out.
November 1, 2003... Through increasingly affordable, there's no getting around that silicon nitride balls are more costly that metal. Luckily, ceramic balls are often used in bearings that are otherwise pretty typical designs. When assembled into a hybrid...

Servomotors can be a precise fit: servomotors are the answer in applications requiring frequent starting, stopping, and reversing.(Advertisement)
November 1, 2003... Servomotors exhibit many design improvements and advantages over traditional motors. The biggest advantages are precise control and performance--simply put, the ability to drive a load and get it into position faster. But what allows a...

In review.(Lunch & Learn)(Brief Article)
November 1, 2003... On Sept. 26, Motion System Design and Hydraulics & Pneumatics magazines held the first Motion System Technology Fair Lunch & Learn event at the Wyndham Inner Harbor Hotel in Baltimore. The intimate setting gave attendees a chance to talk to...

Closed-loop controls.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Frequency/voltage: 0 to 240 Hz Power rating: to 550 hp/410 kW FEATURES * May be used in encoderless or V/Hz mode * Language-selectable keypad/display * Fieldbus networking options * IP20, IP40 enclosure...

Compact modules.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Speed: to 5 m/sec Length: to 5,500 mm FEATURES * Toothed belt drive system * High travel speed over long distances * Smooth linear performance Bosch Rexroth Corp. (800) 438-5983 ...

Axial air gap servomotors.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Frame size: 7, 14 in. Torque: to 25 lb-in. (7 in.); to 250 lb-in. (14 in.) Speed: to 6,000 rpm (7 in.); 2,000 rpm (14 in.) FEATURES * Mounting options: flange, face, foot, custom * Zero cogging * Multiple...

Flexible control cable.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Working voltage: 600 V Temp range: -40[degrees] to 90[degrees]C Conductor size: 20 to 2 awg FEATURES * UL approved; CSA, NOM certified; CE conforming * Bending radius: 4X cable OD * Can be used in dry,...

Servo-proportional valves.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Flow: 6, 10, 15 gpm FEATURES * Direct drive * Low hysteresis and high response sensitivity * On-board electronics simplifies set-up * Returns to spring-centered position in case of power failure Moog Inc....

Magnetic ring encoders.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Cycles per rev: 256, 512, 1,024 Input: 5 Vdc, 7-24 Vdc Shaft speed: to 10,000 rpm FEATURES * NEMA C-face, IEC metric mounting * Operates at -40[degrees] to 125[degrees]c * One-piece cast aluminum ring,...

Two-phase stepmotors.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Torque: to 133 oz-in. Rated voltage: to 7.2 Vdc Stack length: 1.54, 2.32 in. FEATURES * Plug-in connector for quick wiring * Compact, lightweight * Single or double shaft * [+ or -] 0.05[degrees] stop...

Synthetic lubricant.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Temp range: -70[degrees] to 225[degrees]C Viscosity index: 340 FEATURES * Urea thickened * Medium viscosity * Provides excellent insertion force reduction * Long-term contact protection Nye Lubricants...

Motor-efficiency measurement.(Product Spotlight)(Advertisement)
November 1, 2003... FEATURES * Measures efficiency of squirrel-cage induction motor up to 1,000 A * No need to disconnect motor * Portable power monitor, software * Three current transformers * Provides accurate efficiency data on...

Compact servomotors.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Torque: to 181.4 lb-in. Output: to 7.20 hp Speed: to 6,000 rpm FEATURES * High-dynamic or compact models * High overload capability * High power/weight ratio * Synchronous Siemens AG (770)...

Digital servodrive.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Power: to 60 kVA FEATURES * Compact, modular design * Up to 32 synchronous servo axes via single supply module * Dynamic control of all three-phase ac motors * Various feedback systems * Optional PLC...

Captive linear actuator.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Resolution: 0.0005 to 0.005 in. per step Speed: >3 in./sec FEATURES * Delivers force to 500 lb * Stainless-steel splined shaft coupled to stainless-steel leadscrew * Internal antirotation mechanism * For...

Right-angle gearmotors.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Horsepower: 1/8 to 1/4 Input speed: 1,800 rpm Shaft diameter: 3/4, 5/8, 1/2 in. FEATURES * Hollow shaft * Three ac, four dc motor options * Ratios from 5:1 to 60:1 * Synthetic oil lubrication *...

Linear actuators.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Stroke length: to 36 in. Speed: to 30 in./sec FEATURES * Direct, timing belt, or gear drive * Incorporates servo, stepper, or brush dc motor * Zero-backlash coupling * Multiple mounting options *...

Washdown motors.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Horsepower: 1/3 to 2 Speed: 1,750, 3,450 rpm FEATURES * Prelubricated, oversized, double-sealed bearings * Stainless-steel T-drains * Internal bearing lockscrews * Stainless-steel exterior * Fully...

Linear ball splines.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Diameter: 3-mm shaft, 7-mm external cylinder FEATURES * Spline shaft and external cylinder * Two-row raceways with recirculating balls * Angular type * Solid or hollow shaft * Delivers smooth linear motion,...

Belt-tension tester.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Range: 10 to 600 Hz Temp: 5[degrees] to 70[degrees]C FEATURES * Measures tension of timing, ribbed, V-belts * Noncontact measurement * Stores user's sets of data * Universal measuring head * Data...

Washdown sensors.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Range: 1 in. to 100 ft FEATURES * IP69K housing withstands 1,200 psi washdown * Ac, dc models * All standard modes of detection * For food, beverage industry * Rugged, compact Pepperl+Fuchs Inc. ...

Logic controllers.(Product Spotlight)(Advertisement)
November 1, 2003... FEATURES * Standard IEC 61131-3 programming for motion, I/O control * All-digital IEEE-1394 networked servodrives * Profibus, Ethernet, FireWire I/O * QNX real-time operating system * Commercial off-the-shelf hardware ...

Hydraulic motors.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Torque: to 656 lb-in. Speed: to 2,255 rpm FEATURES * Five fluid chambers * 4:1 ratio * Only three moving parts: motor shaft, spline drive, gerotor * Mounting options: short-shaft flange, long-shaft flange,...

Planetary gearheads.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Size: 2.5, 3.3, 4.5 in. Ratio: 3:1 to 175:1 FEATURES * Planetary input, bevel output * Steel construction * Oil lubricated in line stages * Backlash 20 10, 5 arc-min Bevel gear cavity filled with metal...

Cycloidal drives.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Torque: 210 to 603,000 lb-in. Horsepower: 0.10 to 232 Ratio: 3:119, 121:7,569, 8,041:658,503 FEATURES * Foot, flange, face mount * High overload capacity * Grease lubricated for no maintenance *...

Wave springs.(Product Spotlight)(Advertisement)
November 1, 2003... SPECS Size: 1/2 to 6 in. (stock); 3/8 to 84 in. (special) FEATURES * Fits in tight radial, axial space * Carbon and stainless steel * Provides high preload force * Damps vibration Smalley Steel Ring Co. ...

Belt tracking.(MSD 101)(Interview)
November 1, 2003... Belts don't always stay put on pulleys. Sometimes they creep to one side or another. threatening to pop off completely. This is where pulley flanges come in, steering belts back on track by resisting lateral forces. It is not necessary to have...

Get in position.(Sensor Tips)(Advertisement)
November 1, 2003... A new position sensors catalog from IFM Efector Inc., Exton, Pa., features more than 800 sensors and control products. Products include inductive and capacitive proximity, actuator, photoelectric, and optical evaluation sensors; background...

Bridging the gap.(Sensor Tips)(Advertisement)
November 1, 2003... New incremental encoders from Avtron Mfg. Inc., Independence, Ohio, incorporate Wide-Gap sensor technology, which is said to provide a 57% larger operating gap between the magnetoresistive sensor and rotor and 50% increase in air-gap tolerance...

Speedy vision sensor.(Sensor Tips)(Advertisement)
November 1, 2003... A vision sensor from Omron Electronics LLC, Schaumburg, Ill., combines image acquisition as fast as 1.4 msec with advanced measurement algorithms for fast measurement and inspection. The F210 sensor can perform measurement cycles as fast as 3...

Track Roller & Cam Follower solutions.(Media / Mart)(Advertisement)
November 1, 2003... Intech Power-Core Track Rollers and Cam Followers feature quiet, easy motion, high resistance to flat development, no rail wear, high load and shock capacity, no swelling in moisture. Bearings installed with proprietary thermal technology,...

Fin-coupling DIN.AL.(Media / Mart)(Advertisement)
November 1, 2003... The fin-coupling DIN.AL, part of the GEL series, is typically used in applications needing a constant rotational velocity in the fourth quadrant and absolute torque rigidity. Thanks to its special construction,, the coupling handles angular,...

Wave Springs.(Media / Mart)(Advertisement)
November 1, 2003... New 2001 Wave Spring Catalog! Smalley has over 1800 springs in stuck with sizes from 3/8" to 16". Special designs range from 9/32" to 84"; carbon and stainless steer are available. Smalley offers a No Tooling-Cost[TM] manufacturing process. All...

Spherical and rod end bearings.(Media / Mart)(Advertisement)
November 1, 2003... Radial Bearings Corp.--45 years of manufacturing aircraft-quality, self-aligning, metal-to-metal, and self lubricating, spherical and rod end bearings. Catalog describes specifications on standard and large-bore items and solicits special...

Gear solutions.(Media / Mart)(Advertisement)
November 1, 2003... Intech Power Core Gears offer solutions to applications in which wear, lubrication, noise, vibrations, shock load, moisture and chemicals present a problem for nylon, Delrin or metal gears Metal core derivers secure gear mounting to the shaft...

Motor mounting systems.(Media / Mart)(Advertisement)
November 1, 2003... Brochure illustrates motor mounting products, including Automatic motor bases, adjustable motor bases, adjustable rail, custom motor mountings, and transition bases to adapt NEMA "related" motor frame sizes to existing mountings, Outlines...

Electric cylinders.(Media / Mart)(Advertisement)
November 1, 2003... RACO Electric Linear Cylinders with ballscrews or acme screws are environmentally safe and low maintenance cylinders Thrusts to 200,000 lbs., speeds to 30"/second, and strokes to 20 ft. Modular system allows custom built units using the special...

Linear bearings and automation components!(Media / Mart)(Advertisement)
November 1, 2003... New Tusk catalog is a resource for design engineers working with linear motion and needing commercially available linear bearings of many types quickly. Included are dimensions, specifications for ball slides, crossed roller slides, heavy duty...

Inch & metric timing belt drives.(Media / Mart)(Advertisement)
November 1, 2003... 32 page catalog contains engineering information, drawings and dimension data for standard synchronous timing belt drives. Information on the latest metric tooth forms including curvelinear, trapezoidal and involute styles is included. The...

Spiral bevel gear catalog.(Media / Mart)(Advertisement)
November 1, 2003... New 20 page stock gear catalog contains rating data and specifications, charts for spiral bevel gear sets in ratios of 1:1, 2:1, 3:2, and 4:3 and ground tooth gears in 1:1 and 2:1 ratios, includes engineering formulas, drawings, AGMA ratings,...

Electric linear actuator systems.(Media / Mart)(Brief Article)
November 1, 2003... LINAK is a world leader in the design and manufacture of electric linear actuator systems. Their product range includes many customized combinations that can be utilized in diverse market applications from hospital beds, patient lifts, and...

Needle roller cam follower bearings, inch & metric.(Media / Mart)(Brief Article)
November 1, 2003... Accurate Bushing, the Manufacturer of SMITH[R] hearing products, has been manufacturing high quality, precision bearings and components for over 40 years. SMITH[R] Cam Followers are available from stock in both inch and metric styles. Special...

New CMT[TM] shaft/hub locking devices.(Media / Mart)(Brief Article)
November 1, 2003... Designed for the light power and precision drive market and shaft sizes from 2mm to 1". The ConcentricMaxiTorque[TM] system enables precise component positioning, with runout typically less than .001" as assembled. Torques to 3100in/lbs can be...

Compact size electric actuators.(Media / Mart)(Brief Article)
November 1, 2003... Brochure features Burr's Compac 300 and 1000 Acme screw linear actuators, which deliver custom stroke lengths up to 48", but in a shorter overall length. The Compac line handles load capacities up to 1,000 lbs., is AC or DC powered, and easily...

Linear bearing product guide.(Media / Mart)(Brief Article)
November 1, 2003... Del-Tron Precision's new 88 page guide includes, ball slides, crossed roller slides, 1,2, or 3 axis micrometer driven positioning stages, motor-ready lead screw driven stages, friction-free air actuators, recirculating slide guides, crossed...

Rigid torque servo couplings.(Media / Mart)(Brief Article)
November 1, 2003... You can buy cheaper couplings, but only Renbrandt Disc Couplings can match the accuracy of your encoders, steppers, etc. Flexible couplings are not all alike. * Fleximite[TM] Disc Couplings-Quite simply, the very best servocouplings by far....

Anti-Creep Cage Crossed Roller Way--CRWG.(Media / Mart)(Brief Article)
November 1, 2003... Anti-Creep Crossed Roller Way CRWG offers cage-creep-proof function using a rack and. pinion mechanism originated from IKO Crossed Roller Way, featuring smooth linear motion with super high accuracy. Additional features include freedom in...

C-Sleeve linear way--ML.(Media / Mart)(Brief Article)
November 1, 2003... C-Sleeve (Capillary Sleeve) is a component part for lubrication originally developed by IKO. This is a porous sintered resin made in the form of a sleeve by sintering fine resin powder and impregnating a large amount of lubricant into its...

Precision retaining devices.(Media / Mart)(Brief Article)
November 1, 2003... Specialized design and engineering brochure of mechanical and self-locking precision retaining devices, which provide for more precision of assemblies, greater security of retaining/locking and more economy of finished bearings and other power...

PT equipment.(Media / Mart)(Brief Article)
November 1, 2003... For 50 years industry has relied on us for dependable speed and position control. Fairchild transmissions are used in printing, paper, packaging, and textile applications, providing web-tensioning and precise speed regulation. They are also...

High-rigidity, long-stroke linear motor table--LT.(Media / Mart)(Brief Article)
November 1, 2003... IKO Linear Motor Table LT is a direct-drive positioning table consisting of a moving table and bed of aluminum alloy, in which an AC linear servomotor and optical linear scale are compactly integrated Linear Motor Table LT employs a C-shaped...

Cleanroom precision positioning table--TC.(Media / Mart)(Brief Article)
November 1, 2003... IKO Cleanroom precision positioning table TO is suitable for use in an environment requiring high cleanliness such as semiconductor manufacturing equipment and liquid crystal related equipment. Its unique high air-tightness structure seals the...

Synchronous products--just got better!(Media / Mart)(Brief Article)
November 1, 2003... Martin's outstanding synchronous product line now includes PowerCat[TM] sprockets These sprockets are manufactured to run with today's highest horsepower RPP profile belts, such as Panther, Blackhawk, and QT Power Chain The expanded line allows...

Timing Belts and tensioners Q450.(Media / Mart)(Brief Article)
November 1, 2003... This new catalog from Quality Transmission Components features Timing Belts in eleven different profiles. Made from Fiberglass Reinforced Neoprene, the belts are available in trapezoidal, curvilinear, and European tooth forms These include MXL,...

EAS[R]--Compact torque limiting clutch.(Media / Mart)(Brief Article)
November 1, 2003... The EAS[R]--Compact from Mayr represents the next generation of mechanical torque limiting clutches. Featuring our patented system for backlash free torque transmission, the EAS[R]--Compact offers higher torque capacities and larger bore sizes...

ROBA-Stop[R] fail safe brakes.(Media / Mart)(Brief Article)
November 1, 2003... ROBA[R]--Stop electromagnetic, spring applied, fail safe brakes from Mayr can be used in a wide range of industrial applications. In addition, our ROBA[R]-Stop-M brakes are ideally suited as motor brakes Mayr also offers specialized brakes,...

New! Servometer[R] "SMC" coupling line.(Media / Mart)(Brief Article)
November 1, 2003... Servometer[R] flexible couplings are Low Inertia, Zero Backlash, Low Wind-up, precision constant velocity universal joints, Servometer[R] flexible couplings absorb angular and parallel misalignments in combination with axial movements, while...

B-LOC keyless locking devices.(Media / Mart)(Brief Article)
November 1, 2003... B-LOC Corporation is the leading supplier of Keyless Frictional Shaft/Hub Locking Devices in North America, featuring Locking Assemblies, Shrink Discs and Shaft Couplings in both inch and metric sizes for shafts from 1/4" to 40". Our products...

Smartflex[R] servo coupling.(Media / Mart)(Brief Article)
November 1, 2003... The revolutionary modular design or the new Smartflex[R] servo coupling from Mayr drastically reduces both cost and delivery time, as well as greatly simplifying installation and assembly. The Smartflex[R] provides high torsional rigidity,...

Keyless shaft/hub locking devices.(Media / Mart)(Brief Article)
November 1, 2003... Mayr, as the US distributor for SIT, offers a complete line of frictional shaft/hub locking devices at very competitive prices. These products eliminate keys and splines with a mechanical interference fit and provide easily releasable,...

Flexible Shaft couplings.(Media / Mart)(Brief Article)
November 1, 2003... Servometer[R] bellows type, Flexible Shaft couplings are zero backlash, low wind-up, precision couplings for use with electromagnetic resolvers, digital encoders, serves, computers, tachometers, precision positioning, robotics and other...

Custom bearings.(Media / Mart)(Brief Article)
November 1, 2003... CPM manufactures special ball, needle-roller and roller bearings, in medium and high series, mainly for the O.E.M. market; their size range is from a 10 mm bore up to a 500 mm outer diameter. The bearings can be manufactured according In the...

Mechanical caliper brakes.(Media / Mart)(Brief Article)
November 1, 2003... New catalog lists specifications for mechanical caliper brakes available from Ausco Products Inc. fur applications in lawn and garden tractors, snowmobiles, ATVs, trailers, and small construction and agricultural vehicles Products include...

Multi-disc brake selection guide.(Media / Mart)(Brief Article)
November 1, 2003... This easy-to-use 28 page selection guide contains drawings, specifications and de tailed information about the latest in heavy-duty brake technology, and includes Ausco's new generation wet and dry multi-disc brakes. The catalog also provides...

Load Runners[R] idler rollers: superior life in harsh environments.(Media / Mart)(Brief Article)
November 1, 2003... Load Runners load guidance systems, for precision handling of heavy loads in tough environments, combine the high capacity of Load Runners idler-rollers[R] with high-strength-steel Load Rails, cut to length and configured for your...

Hydraulic caliper brakes.(Media / Mart)(Brief Article)
November 1, 2003... New catalog lists specifications for heavy-duty hydraulic caliper brakes available from Ausco Products Inc. for application in all typos of trailers, agricultural vehicles, off-road vehicles, construction and industrial equipment. Products...

Brake technology.(Media / Mart)(Brief Article)
November 1, 2003... Brochure presents a variety of high tech multi-disc, ball ramp, and caliper brakes manufactured by Ausco. It summarizes the company's commitment to staying on the leading edge of technology and meeting the needs of our customers, often by...

Precision motors for motion control.(Media / Mart)(Brief Article)
November 1, 2003... The 12 page catalog introduces the most advanced series of electronic motors, operating similarly to DC serve motors As the leading manufacturer of piezo-electric motors for precision motion control applications, product lines range from single...

Disc springs.(Media / Mart)(Brief Article)
November 1, 2003... Key Bellevilles, Inc. is the world's largest manufacturer of disc springs. Sizes range from .238" to 36" O.D., .010" up to 3" thick Over 10,000 different sizes in stock. Large raw material inventory. Engineering support. Send for our Free...

Powers of induction.(Newton's Garage)
November 1, 2003... A kind of electrical inertia inductance is a circuit's ability to store energy in electromagnetic fields. Straight wire generates miniscule inductance while wound wire builds more, because magnetic forces align and multiply to resist changes in...

Cool mist.(Newton's Garage)(Brief Article)
November 1, 2003... Die-casting has made many improvements, but one thing has remained the same--the costly time between a design order and Production. Two major bottlenecks include the need to make prototypes with slower methods--usually sand-casting--and the...

Inductive leap.(Better by Design)(Brief Article)
November 1, 2003... One way to sense linear displacement is through the relative movement of an optically grated glass scale. Another way is to monitor inductive variations along a string of tightly packed fine-tolerance ball bearings, Recently this latter...

Got a grip.(Better by Design)(Brief Article)
November 1, 2003... Setscrews and keys, typically used to hold torque-transmission components in place, are notorious for marring shafts and prohibiting easy removal and phase adjustment To avoid these problems, a new line of spur gears employs a special slotted...

GM conforms to EtherNet/IP.(Ethernet)(Brief Article)
November 1, 2003... General Motors Corp. has standardized on EtherNet/IP for its vehicle manufacturing operations, according to ODVA. The EtherNet/IP network will provide real-time communication between GM machine controllers, robots, and process control...