ABB Drive Operations has unveiled the "world's fastest microdrive," the ACS/140. The unit covers from 0.5 to 3 hp, as well as 230 and 460V ac, in single- and three-phase configurations. It can respond to input signal changes in as little as 9 msecs. Measuring just a fraction of the size of conventional PWM ac drives, the new ACS/140 MicroDrive includes firmware and software for commercial and industrial applications. Applications include: fans, pumps, mixers, agitators, compressors, and conveyors. It also features a standard PID controller for simultaneous control of an industrial process or HVAC application. ABB Industrial Systems Inc. Product Code 4364 (P)
An in-depth survey of 700 current and future users of 3D printing holds few surprises, but results emphasize some major trends already in progress. Two standouts are the big growth in end-use parts and metal additive manufacturing (AM) most respondents expect.
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