1 x1.5KW ER16 Air Cooled Spindle Motor ( 220VAC,80x200mm,400Hz,24000rpm,4pcs bearing ). Collet size: ER16. 1.5KW AIR-COOLED SPINDLE MOTOR ENGRAVING MILLING GRIND. Heat dissipation - The housing of the spindle motor is cooled by a liquid circuit to reduce heat generation through high-speed rotations.
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