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    1.5kW Air Cooled Spindle Motor for CNC Engraving Machine

    $484.62
    1.5kW air-cooled spindle motor with 3 phase, high speed of 18000rpm, 300Hz frequency, 0.91Nm holding torque, offers high accuracy, stable performance and long service life advantages. It is made of high-qualified material and designed for CNC engraving machine.
    SKU: ATO-SPINDLE-1500A
    *
    Free Shipping Worldwide
    Delivery date: 10-20 days

    Features:

    • Cooling: Air cooling, Power: 1.5kW, Torque: 0.91Nm, Collet: ER20
    • Voltage: 380V/220V AC at 300Hz, cooled spindle motor speed: 1-18000 R/min
    • Fast response, strong overload capacity, low noise and high mechanical precision.
    • High quality 4pcs bearings (7005Cx2 + 7002Cx2), runout off less than 0.01mm, tapered bore less than 0.005mm.
    • P4 grade ceramic ball bearings used as spindle bearing, which improves the service life under high speed revolution.
    • Tight sealing and two-layer dustproof design.

    Applications:

    This series air-cooled electric spindle motors are applicable to CNC engraving machines and used for high speed profiling, drilling, cutting, engraving and groove milling of wood, plastics, aluminum, rubber and other materials.

    1.5kW Air Cooled Spindle Motor Specification

    Model STF47-82-1.5
    Power 1.5kW
    Phase Three phase
    Speed 18000rpm
    Voltage 3-phase 380V±10% AC 3-phase 220V±10% AC
    Current 3.2A 5.8A
    Frequency 300Hz
    Torque 0.91Nm
    Cooling Type Air-cooled
    Lubrication Grease
    Thermal Class Class F
    Protection Class IP50
    Certification CCC, CE, RoHS, UL, VDE
    Warranty Bearings for half a year, other parts for one year
    Joint of Nose ER20 (φ3.175-φ13)
    Bearings Type 7005C P4*2 & 7002C P4*2
    Application Woodworking & Plastic
    Weight 7kg

    1.5kW Air Cooled Spindle Motor Dimension (Unit=mm)

    1.5kw air cooled spindle motor dimension

     

    6 Tips of Spindle Motor Maintenance

    1. Iron hook shall be commonly used to clean the leaking mouth at the lower end of the water drain cover at the front end of the spindle in use, so as to prevent debris from blocking the leaking pipe.

    2. The air into the motorized spindle should be dry and clean.

    3. Remove the motorized spindle from the machine tool and use the air pipe to blow out the residual water in the motorized spindle cooling cavity.

    4. Long-term use of the motorized spindle should be oil seal, start, in addition to the use of gasoline to wash the surface of anti-rust oil, should do the following work:

    A. Pass oil mist for 3-5 minutes. Turn the rotating shaft with your hands and feel no retardation.
    B. Use megohm meter to detect the insulation to the ground, usually ≥10 megohm.
    C. First run at 1/3 rated speed for 1 hour when the power is switched on. When there is no abnormal phenomenon, run at 1/2 rated speed for 1 hour
    D. Precision steel ball is adopted to maintain the turning accuracy of the motorized spindle in high-speed grinding.

    5. The motorized spindle can be lubricated with high speed grease and oil mist according to different rotating speed.

    6. The temperature rise caused by the high-speed rotation of the motorized spindle can be eliminated by using the coolant circulating system flow.

    Safety Tips for Using ATO CNC Spindle Motors

    1. The electric spindle motor and VFD shall be suitable with each other. The specifications and parameter settings of the VFD shall match the nominal parameters of the spindle motor, and it will burn the spindle motor if the settings are not correct.

    2. Before using water-cooled spindle motor, it shall ensure that cooling cycle system works normally and the running under no cooling conditions is prohibited. The volume of cooling water is calculated as per 1 liter/minute, the minimum flow of cooling water is not less than 5 liter/minute, cooling water pipe and the nozzle shall be connected reliably and there is no leakage.

    3. The cooling liquid shall be clean and free of grease and the temperature shall be within 5-30℃. The cooling medium shall carry out force cooling when the ambient temperature is higher than 30℃. The precision lathe requires the cooling liquid with a constant temperature of 20 +/-2℃.

    4. During storage and transport of the spindle motor, the status of high-speed grease inside the bearing will change. The user shall run it at a low speed first by starting from the lowest speed of the spindle motor for 30 minutes and then 20 minutes for every 3000 rounds. Otherwise there will have abnormal sound, noise, heat and other phenomena, which will affect the bearing life if the spindle motor is started directly at a high speed. During long term storage, the spindle motor shall run (at low speed) for 15-30 minutes once a week at last.

    5. Collet, nut and inner taper hole shall be washed clean when installing blades on the spindle motor in order to avoid any impact on the precision. The blade handle shall be inserted into the collet more than 15mm.

    6. For daily machining, the spindle motor shall be warmed up, run for 15-20 minutes when the machining speed is reached and then performs precise machining. It is better to stop the spindle motor for two hours every day in order to recover its mechanical fatigue and prolong its life time.

    7. No knocking the end cover of the spindle motor. No hammering the collet and blade head when removing blades. No shocking or colliding during transport, storage and using, especially the end of the spindle motor.

    8. The spindle motor shall run in designated direction.

    9. The spindle motor shall be installed and fixed according to the relevant drawings and instructions.

    10. The temperature shall be within 22-25℃ if water cooling machine is used.

    11. The spindle motor adopts vapor lock and the gas source shall not be used until it has passed oil-water separator and dry filter. The air pressure is 0.2-0.25Mpa and the filtering precision is 5μm, otherwise there will cause damages to the bearing.

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