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New eBook: Advanced Ball Screws

Learn to properly maintain your ball screws, understand the acceptable noise levels that can be produced prior to repair, define the erratic pitch that occurs within ball screws, and investigate design advantages from internal ball returns.

Portable PA
Aug 19, 2004
The TecSonic portable PA, a briefcase-sized system, can be positioned almost anywhere in a room and yet still produce hi-fi quality music and intelligible speech.
Motion-control servoamplifiers
Jun 01, 2000
A range of PWM servoamplifiers for high-performance motion-control applications is available from Advanced Motion Controls, Camarillo, Calif. Features include high power density with peak currents ranging from 10 to 120 A and supply voltages...