Motors, Drives

Motors, Drives August 1, 1998

Servo drive suppliers gear up for competition

Many leading U.S. servo drive suppliers are gaining technologies and marketshare through acquisitions, dealing with consolidations and reorganizations, and competing for a growing motion control users population, according to the North America Servo Drive Outlook from Automation Research Corp.

By Staff
Motors, Drives August 1, 1998

Integral motor succeeds in harsh environment

Integral motors, a new breed of ac variable speed motors that embed drive electronics in the motor housing, are enduring harsh environments. Tony Carr, electrical engineer at Blue Circle Cement, says ABB Motors' design for its integral motor is best suited for his cement plant because the drive electronics are fitted at the motor's nondrive end—wher...

By Staff
Motors, Drives July 1, 1998

Efficiency to the Masses —of Electric Motors, that Is

Energy efficiency is hardly a new theme. In a technologically expanding world, it has become crucial to come to grips with energy consumption yet still use energy wisely. A basic question to answer is, "Where can energy be saved efficiently"?Electric motors, particularly in industrial usage, represent a large portion of electric energy consumption.

By Frank J. Bartos, CONTROL ENGINEERING
Motors, Drives July 1, 1998

Asian ac drive suppliers must look beyond current crisis

Ongoing financial turmoil has shaken Asia's economies for the past seven to 10 months, and the region's ac drive business has slowed following major product reschedulings in Southeast Asia and South Korea, according to the recent AC Drive Outlook for Asia from Automation Research Corp.

By Staff
Motors, Drives July 1, 1998

More new technologies light up Hannover Fair ’98

If it didn't feature countless products, it wouldn't be the "world's largest industrial fair." More than 300,000 visitors examined products from close to 8,000 exhibitors during Hannover Fair '98. For instance, new motor and drive products included Lenze's 8200 Motec integral motor-drive unit, available in June.

By Staff
Motors, Drives July 1, 1998

5 mm brushless dc gearmotor

Ringwood, N.J —RMB Miniature Bearings has integrated its 5 mm "smoovy" brushless dc motor with two smoovy planetary geartrains. The SPH50003 gearmotor comes with an 125:1 ratio. Continuous torque of 1.5 oz-in. at gearmotor shaft speed of up to 160 rpm provides smooth and high efficiency operation (60%) for a wide range of application.

By Staff
Motors, Drives June 1, 1998

Submicro motor drives

Uxbridge, Mass. —SCF Series submicro adjustable frequency motor drives come in a wide range of sizes, all meant to fit into compact OEM designs. With power ratings from 1/4 to 3 hp, and input voltages of 120 and 240 single phase, and 208/240, 400/480, and 590 V ac (3-phase), these drives can fit into many applications, particularly in European markets.

By Staff
Motors, Drives June 1, 1998

Rugged data protection in silicon disk drive

San Jose, Calif. —Designed specifically for high operational shock and low power consumption, these 2.5-in. IDE silicon drives contain no moving parts and do not require constant power to retain information. Capable of surviving 1,000 Gs of shock (equivalent to dropping 8-ft. onto a hard surface), and providing 500,000 hr MTBF makes the silicon drive especially suited for industrial appl...

By Staff
Motors, Drives June 1, 1998

Linear actuator calls for hazardous duty

South Beloit, Ill. —Electrak 2000 hazardous duty linear actuator is designed for positioning applications in Class 1, Group D atmospheres such as paint booths or chemical processing. The step motor can handle a dynamic load of up to 625 lb at 1.5 in./sec and has a speed of up to 20 in./sec at 50 lb.

By Staff
Motors, Drives June 1, 1998

Control system connects to AFDs

New Berlin, Wis. —MicroTrac3 contains an embedded PC designed to utilize Microsoft Windows NT and connect to MagneTek GPD 515 adjustable frequency drives. Featuring 4 MB of RAM, 2 MB of flash ROM, application library, and Ethernet and ARCNet communication support, MicroTrac3 is compatible with existing MagneTek networks.

By Staff