Air cooled spindle is widely used on basic cnc router and nesting cnc router machines. Air cooled means the spindle motor is cooled by air via an electric fan which is mounted on top end of the spindle. Unlike water cooled spindle, the air spindle no needs connect to a water cycle. Also due to this point, the air cooled spindle is better for cutting and milling than engraving jobs.
Normally the air cooled spindle kit is requested from these two purpose:
1) diy a cnc router
2) maintenance for a cnc router

Air cooled spindle brand we provide:
Changsheng(CS), HQD and all the other Chinese brands

Available Power:
3.5kw, 4.5kw, 6.0kw, 7kw