Servo motors are reliable workhorses that will operate virtually maintenance free for 10 to 15 years, and often even longer. But there are potential problems lurking for operators of older equipment, as the experts at Motor Technology explain The servo and control equipment in use might be old but if it's performing perfectly there's probably no need to change it. And if any of the motors do eventually start to fail the most logical and cost-effective solution would be to replace them with like-for-like drop-in replacements. But problems arise when maintenance engineers discover that their original supplier no longer stocks or supports the old motors.
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