The side sealing air pressure of the automatic tool change spindle and the top tool change air pressure should maintain the three-stage filtering effect, and the side sealing air pressure must be open.Regular accessories clean the front chuck of the spindle.Clean the dust in the environment near the work area.Otherwise, it will burn the spindle motor if the settings are not correct. The specifications and parameter settings of the VFD shall match the nominal parameters of the spindle motor. Note: The spindle motor and VFD shall be suitable with each other. Work stable, low noise, enough fatigue strength.Enough abrasive resistance, vibration resistance, suitable size.With high grade size, shape, position precision, and quality of the surface. 1.5KW 2.2kw spindle 4.5KW 4.5kw atc spindle 5.5KW 7.5kw 7.5KW ATC Spindle 9kw 9KW ATC Spindle Air Cooled ATC Controller ATC Spindle atc spindle vfd BT30 buy spindle cheap spindle chinese spindle cnc spindle cnc spindle on ebay engraving spindle ER11 spindle ER25 spindle ER16 spindle ER20 spindle FULING high speed spindle Inverter ISO20 ISO30.High precision, inflexibility and efficiency, long operation life.Reasonable structure design, simple and compact configuration, easy to take apart.Three phase 380 V AC at 1333 high frequency, ISO20 tool holder and torque 1.19 Nm, water cooling, matched with high quality VFD, used for CNC router machines. 4000W automatic tool changer spindle motor with 40000rpm for sale online.