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    Water Cooled Spindle

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

    $205.23
    SKU: ATO-SPINDLE-W800
    Popular 3 phase 800 watt water cooled CNC spindle motor for sale online, works at 220V AC, 24000rpm, 0.32N·m torque and frequency up to 400Hz, equipped with ER11 (φ3.175 mm - φ7 mm) collet for CNC router machines.

    1.5 kW Water Cooled CNC Spindle Motor, 24000 rpm, ER11

    $258.36
    SKU: ATO-SPINDLE-W1500
    Water cooled 1.5 kW round spindle motor, comes with 24000 rpm high speed, ER11 collet, 0.56 Nm torque, works at 3 phase 220V 400Hz. Cheap spindle motor is designed for wood carving/engraving machine, CNC router machine.

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

    $327.69
    SKU: ATO-SPINDLE-W2200
    2.2 kW water cooled spindle motor for CNC router, it has ER20 collect, high speed of 24000 rpm, 0.85 Nm torque and need to be used with VFD. High quality 3pcs bearings (7005Cx2 + 7002Cx1), runout off less than 0.02mm, tapered bore less than 0.01mm.

    3.2 kW Water Cooled CNC Spindle Motor, 24000 rpm, ER20

    $461.54
    SKU: ATO-SPINDLE-W3200
    Best round water cooled spindle motor for sale, it features 3.2 kW power rating, 1.27 Nm holding torque and 24000 rpm high speed, P4 class for the spindle bearings, operates at 220V/380V AC 400Hz power system.

    3.7 kW Water Cooled CNC Spindle Motor, 24000 rpm, ER20

    $507.69
    SKU: ATO-SPINDLE-W3700
    3 phase 3.7 kW spindle motor with 24000 rpm high speed, 10A at 380V AC 400Hz, ER20 collet, φ100mm diameter, stable performance and high precision bearing. Water-cooled spindle motor is designed for wood carving CNC machine.

    4.5 kW Water Cooled CNC Spindle Motor, 24000 rpm, ER25

    $921.47
    SKU: ATO-SPINDLE-W4500
    Cheap price spindle motor for CNC router machine, it features with 4.5 kW, 24000 rpm, 2.38 Nm torque, water cooled of cooling method, ER25 collet, 4pcs spindle bearings, 380V AC volage and 400Hz frequency.

    5.5 kW Water Cooled CNC Spindle Motor, 24000 rpm, ER25

    $998.46
    SKU: ATO-SPINDLE-W5500
    24000 rpm high speed spindle motor with 5.5 kW power, 3 phase, 2.91 Nm torque, 380V AC at 400Hz, ER25 collet, water cooled of cooling method, equipped with VFD to use, is special designed for CNC router machine.

    6 kW Water Cooled CNC Spindle Motor, 24000 rpm, ER25

    $1,238.57
    SKU: ATO-SPINDLE-W6000
    Water cooled spindle motor with 6 kW high power, 24000 rpm high speed, 3.18 Nm torque, 3 phase 380V AC at 400Hz, ER25 collet. The complete combo of spindle motor and VFD suitable for CNC machine.

    7.5 kW Water Cooled CNC Spindle Motor, 24000 rpm, ER32

    $1,655.37
    SKU: ATO-SPINDLE-W7500
    Buy a reasonable price 7.5kW water cooled CNC spindle motor, 24000rpm, 2.98N·m torque and ER32 (φ3.175mm - φ20mm), frequency 400Hz, works at 3 phase 380V AC, matched with VFD supply for CNC router machines.

    ATO water cooled spindle motor mainly uses water circulation to cool the heat generated after the spindle rotates at a high speed. Buy the best 800W CNC spindle motor with water cooled at low cost online, 1.5kW, 2.2kW, 5.5kW, up to 7.5kW is also available. Low noise water cooled CNC spindle motors are provided with collets ER11, ER20, ER25, and ER32. It works at 3 phase AC 220V or 380V, matched with variable frequency drive or engraving machine, which is suitable for kinds of CNC applications areas.

    Water cooled spindle motor vs. air cooled spindle motor

    • Heat dissipation method: The water-cooled spindle motor uses water circulation to cool the heat generated by the high-speed rotation of the spindle. This method works well because the temperature after circulation will not exceed 40 degrees. The air-cooled spindle motor uses a fan to dissipate heat, and its effect is definitely not as good as water cooling.
    • Noise: The water-cooled spindle motor is basically silent, but the air-cooled spindle motor is very loud.
    • Service life: Because the water-cooled spindle motor needs to pay attention to maintenance, change the water frequently or use an industrial water cooler, its service life is much longer than that of the air-cooled spindle motor.
    • Accuracy: The axial and radial runout of the water-cooled spindle motor is basically below 0.003 mm, which is far less than the air-cooled spindle motor.
    • User experience: Since the water-cooled spindle needs to be connected to a water pump, a bucket is needed to hold water, and a water pipe needs to be connected, especially in the cold winter in the north, it is more likely to freeze. Some customers will find it more troublesome, but the air-cooled spindle will not have such use problems.
    Water Cooled Spindle

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