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#2
03-03-2009, 10:13 PM
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| I have never yet seen a brake on a servo motor that was intended to slow it down, the common use is to prevent back feeding when servo is off, as in a heavy vertical axis etc. Al.
__________________ “Logic will get you from A to B. Imagination will take you everywhere.” Albert E. (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)    |
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#3
03-03-2009, 10:27 PM
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| +1 The brake on a servo motor is to support a vertical load when the power is off. The brakes are not proportional like the brakes on a car. They are magnetically released like the emergency brakes on a train. They also are typically rated to survive only a few dozen revolutions before they burn up and fail in the safe (locked rotor) position. Bryan. |
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