Siemens Industry, Inc. (www.sea.siemens.com) has unveiled its expanded 1FK7 servomotor family that features a new high-inertia style. The design’s higher rotor inertia makes the control response of the latest 1FK7-HI servo motors highly robust and ideal for variable- and high-load inertia applications, such as auxiliary and feed axes on machine tools, as well as unwinders and winders on packaging, printing and converting equipment.
The self-cooled 1FK7-HI servomotors offer stall torque in the 3Nm to 20Nm range and are offered in IP65 or IP64 with IP67 protective flange degree, with selectable options for keyed or plain shaft, 22-bit absolute or incremental encoders, as well as 18 color options.
Its mechanical decoupler located between the encoder shaft and motor protects the encoder from mechanical vibrations to provide a long service life. In case the encoder needs to be exchanged, the tool automatically aligns the encoder signal into the rotor pole position to enable feedbacks to be changed at the field in less than five minutes.
The new Siemens 1FK7-HI servo motors also have a unique Drive-Cliq serial bus and electronic nameplate recognition to allow virtual plug-and-play operation when paired with the Sinamics S drive platform. Every servo motor in this new family is also configured to interface with the motion controller Simotion for general motion control use and Siemens Sinumerik CNC technology for machine tool applications.
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