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by PragmaticPulp
1969 days ago
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In practice, hobby CNC machines use the closed-loop feedback systems to halt the machine and alert the operator that something has gone wrong. Hobby-scale machines shouldn’t need closed-loop systems for positioning during cutting operations. Especially if they’re using a 300-400W (sustained) consumer router as their spindle as this article suggests. Cutting forces at this scale are in the single-digit pounds. Nothing a common NEMA23 can’t handle with plenty of margin. Trying to push a low-powered spindle through the workpiece on a low-rigidity hobby machine causes more problems. |
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