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Why do we still use stepper motors?
(sopuli.xyz)
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this post was submitted on 10 Jan 2024
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It seems like the argument is that at the lower price bracket, stepper motors offer higher performance than what a equivalently priced servo+encoder+controller combo can perform.
I felt like what I was reading in this thread wasn't matching up with that I see out in industry... concerns about 'price' didn't come up until your post.
Diamond turning machines are inherently low torque, low speed, AND nanoscale operations which uses servos for driving its respective axis. See precitech -youtube and in stark comparison Roeder's 5axis optical mold machining. Wire EDM's were all driven by servo motors until linear motors became popular. Even those famous JingDiao test samples are made on machines driven by servos.
Here is an alternative Piped link(s):
precitech -youtube
Roeder's 5axis optical mold machining
JingDiao test samples
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