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    Air Cooled Spindle

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    800W Air Cooled CNC Spindle Motor, 24000 rpm, ER11

    $250.77
    SKU: ATO-SPINDLE-A800
    24000 rpm high speed spindle motor with ER11 collet, 800W power and 0.31 Nm torque, works at 3 phase 220V AC 400Hz power system. Air-cooled spindle motor is designed for wood carving CNC machine.

    1500W Air Cooled CNC Spindle Motor, 24000 rpm, ER11

    $350.26
    SKU: ATO-SPINDLE-A1500
    1.5 kW (2 hp) 3-phase electric spindle motor at low cost, with high speed of 24000 rmp, rated torque of 0.58 Nm, 220V AC voltage at 400Hz. Air cooled spindle comes with ER11 collet, suitable for CNC router machine.

    1.5 kW Air Cooled CNC Spindle Motor, 18000 rpm, ER20

    $484.62
    SKU: ATO-SPINDLE-1A1500
    1.5kW air-cooled spindle motor with 3 phase, high speed of 18000 rpm, 300Hz frequency, 0.91 Nm holding torque, offers high accuracy, stable performance and long service life. ER20 spindle motor designed for CNC engraving machine.

    2.2 kW Air Cooled CNC Spindle Motor, 24000 rpm, ER20

    $483.23
    SKU: ATO-SPINDLE-A2200
    Low price 2.2 kW air cooled spindle is a CNC router spindle motor, with high speed 24000 rpm, 0.85 Nm torque, 400Hz frequency, ER20 collet, works at 3 phase 220V AC voltage.

    2.2 kW Air Cooled CNC Spindle Motor, 18000 rpm, ER20

    $503.48
    SKU: ATO-SPINDLE-1A2200
    18000 rpm high speed spindle motor with 2.2kW power, 3 phase 380V AC voltage, 1.1 Nm torque, 300Hz, ER20 collet, air cooled of cooling method, is special designed for CNC router.

    3.5 kW Air Cooled CNC Spindle Motor, 18000 rpm, ER25

    $557.69
    SKU: ATO-SPINDLE-A3500
    3.5 kW air cooled spindle motor with ER25 collet for CNC router, it features high speed of 18000 rpm and low noise, 1.68 Nm torque, three phase, operates at 380V 300Hz, long service life and strict quality control.

    4.5 kW Air Cooled CNC Spindle Motor, 18000 rpm, ER32

    $705.88
    SKU: ATO-SPINDLE-A4500
    Hot sale 4.5kW air cooled spindle motor for CNC router with high speed of 18000 rpm, ER32 collet, 2.27 Nm holding torque, works at 380V AC 300Hz, 4pcs P4 grade ceramic ball bearings which improves the service life under high speed revolution.

    6 kW Air Cooled CNC Spindle Motor, 18000 rpm, ER32

    $736.59
    SKU: ATO-SPINDLE-A6000
    Low cost 6 kW spindle motor, 3 phase, high precision with ER32 collet, 18000 rpm high speed, 2.78 Nm torque, with powerful fan, easy to operate and can be connected to the VFD. Air cooled spindle motor is designed for CNC router machine.

    7.5 kW Air Cooled CNC Spindle Motor, 18000 rpm, ER32

    $1,076.92
    SKU: ATO-SPINDLE-A7500
    7.5 kW air cooled spindle motor for sales, it features 18000 rpm high speed, 3.58 Nm torque, ER32 collet, 3 phase 380V AC at 300Hz, high quality 4pcs bearings, IP50 for protection grade, used in CNC drilling and milling equipment.

    Low price air cooled spindle motor for sale online. It uses a fan to dissipate heat without too many environmental restrictions and is easy to operate for CNC router machines. ATO.com offers high quality 800W, 1.5kW, 2.5kW to 7.5kW air cooled CNC spindle motors, working at three phase 380V AC, ER 32 and other collets are provided. Best air cooled CNC router spindle matched with VFD, engraving machines or CNC engraving machines, used for high speed profiling, drilling, cutting, engraving and groove milling of wood, metal, plastics, foam, rubber and other materials.

    How to choose a high-quality spindle motor?

    • Whether the spindle motor adopts high-precision bearings. If high-precision bearings are not used, the spindle motor will overheat after a long time of high-speed rotation, which will affect the service life of the spindle motor.
    • Rotate at different speeds, especially high-speed rotation, whether the sound is uniform and harmonious.
    • Whether the radial direction of the spindle is stressed, the main reference is whether it can cut hard materials at high speed. Some spindles can only cut hard materials at very low speeds, otherwise the spindle will be seriously lost, affecting the accuracy of the spindle after a period of time, or even failure.
    • If you want to pursue high processing efficiency, the processing speed must be fast and the amount of cutting tools to be large at the same time, such as processing solid wood materials, etc., a spindle motor with a power of more than 2.2kW is required.
    • The standard configuration of the spindle of the engraving equipment has different configurations according to the specifications of the equipment.
    Air Cooled Spindle

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