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Engineering Analysis – Spindle vs Router

Engineering Analysis – Spindle vs Router. Commercial Routers. Spindle Motors. Low to Medium Speeds (usually 400 to 24,000 RPM) Extremely low run out (typically less than 0.005mm/0.0002”) Need an inverter (capable of producing 0-400Hz @240VAC) Air or Water cooled options available

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Engineering Analysis – Spindle vs Router

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  1. Engineering Analysis – Spindle vs Router Commercial Routers Spindle Motors • Low to Medium Speeds (usually 400 to 24,000 RPM) • Extremely low run out (typically less than 0.005mm/0.0002”) • Need an inverter (capable of producing 0-400Hz @240VAC) • Air or Water cooled options available • Higher average cost ($100 - $700) • Standardized collet sizes (ER11, ER20, R8, 3MT, etc.) • Quiet • High Speed (~25,000+ RPM) but with no control (one speed), will need aftermarket speed control • Large run out, not published as they are typically hobbyist and woodworking • Run directly from 120 VAC line power • Heat problem, not designed to be run continuously • Low average cost (Free - $200) • Brand specific collets • Loud • Higher cost of spindle motor justified by advantages • Inverter vs. speed control, ~ equal complexity (VFD) • More professional look and results from spindle • Justifies laser centering upgrade in the future

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