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Main image of pump, water reservoir, fan, radiator, G1/4 fittings and silicone tubing for CNC router spindle water cooling and CPU Cooling Main image other angle of pump, water reservoir, fan, radiator, G1/4 fittings and silicone tubing for CNC router spindle water cooling and CPU Cooling Main image of pump portion of the pump, water reservoir, fan, radiator, G1/4 fittings and silicone tubing for CNC router spindle water cooling and CPU Cooling kit Water resevoir single threaded hole end view for CNC router spindle water cooling and CPU Cooling kit Multiple threaded holes end of water reservoir for CNC router spindle water cooling and CPU Cooling kit. The G1/4 water tubing fittings for CNC router spindle water cooling and CPU Cooling kit pump and water reservoir connection using the G1/4 coupling fitting for CNC router spindle water cooling and CPU Cooling kit Alternate connection for pump and water reservoir coupling with the G1/4 fitting for CNC router spindle water cooling and CPU Cooling kit water reservoir being plugged with the G1/4 plug fitting for CNC router spindle water cooling and CPU Cooling kit G1/4 tube fitting for the water reservoir for CNC router spindle water cooling and CPU Cooling kit G1/4 fitting with tubing connected to the water reservoir for CNC router spindle water cooling and CPU Cooling kit tubing connected to the spindle tube fitting for the CNC router spindle water cooling and CPU Cooling kit G1/4 tube fitting connected to the pump for the CNC router spindle water cooling and CPU Cooling kit G1/4 tube fitting connected to the water reservoir for the CNC router spindle water cooling and CPU Cooling kit Silicone tubing connected to the fan and radiator for the CNC router spindle water cooling and CPU Cooling kit The pump, water reservoir, fan, radiator, G1/4 fittings and silicone tubing for CNC router spindle water cooling and CPU Cooling kit all connected using silicone tubing with 1/4 12VDC Power Supply for use with the pump and fan for the CNC router spindle water cooling and CPU Cooling kit.
Main image of pump, water reservoir, fan, radiator, G1/4 fittings and silicone tubing for CNC router spindle water cooling and CPU Cooling Main image other angle of pump, water reservoir, fan, radiator, G1/4 fittings and silicone tubing for CNC router spindle water cooling and CPU Cooling Main image of pump portion of the pump, water reservoir, fan, radiator, G1/4 fittings and silicone tubing for CNC router spindle water cooling and CPU Cooling kit Water resevoir single threaded hole end view for CNC router spindle water cooling and CPU Cooling kit Multiple threaded holes end of water reservoir for CNC router spindle water cooling and CPU Cooling kit. The G1/4 water tubing fittings for CNC router spindle water cooling and CPU Cooling kit pump and water reservoir connection using the G1/4 coupling fitting for CNC router spindle water cooling and CPU Cooling kit Alternate connection for pump and water reservoir coupling with the G1/4 fitting for CNC router spindle water cooling and CPU Cooling kit water reservoir being plugged with the G1/4 plug fitting for CNC router spindle water cooling and CPU Cooling kit G1/4 tube fitting for the water reservoir for CNC router spindle water cooling and CPU Cooling kit G1/4 fitting with tubing connected to the water reservoir for CNC router spindle water cooling and CPU Cooling kit tubing connected to the spindle tube fitting for the CNC router spindle water cooling and CPU Cooling kit G1/4 tube fitting connected to the pump for the CNC router spindle water cooling and CPU Cooling kit G1/4 tube fitting connected to the water reservoir for the CNC router spindle water cooling and CPU Cooling kit Silicone tubing connected to the fan and radiator for the CNC router spindle water cooling and CPU Cooling kit The pump, water reservoir, fan, radiator, G1/4 fittings and silicone tubing for CNC router spindle water cooling and CPU Cooling kit all connected using silicone tubing with 1/4 12VDC Power Supply for use with the pump and fan for the CNC router spindle water cooling and CPU Cooling kit.
Price Options Your Cart
Spindle Cooling Base Kit - Pump, Fan, Radiator, Reservoir, Fittings, and Tubing
$88.40
Spindle Cooling Kit with 12VDC Power Supply
$98.30
Introduction:

Cool your "Water Cooled" spindle for your CNC Router or CNC Machine with this compact kit of pump, water reservoir, fan, radiator, G1/4 fittings and silicone tubing.

Description:

This kit is a great compact way to cool your spindle using water circulation.

Included in the base kit:- Pump to circulate the water through the spindle, water reservoir, fan and radiator.- Fan and radiator to radiate the heat away from the water. The radiator contains small metal fins to collect the heat from the water and the fan is used to move the heat away from the fins using convection. This allows two forms of heat transfer to cool the water: radiation and convection.- Water reservoir to hold a reasonable amount of water to be cooled.- G1/4 tube fittings to connect all of the tubing to each component in the kit- 4 strands of 1/4" ID and 3/8" (or 5/16") OD silicone tubing with lengths of 20" each.

The pump and fan requires a 12VDC power supply. If you don't have a power supply, purchase the kit that incudes the power supply.

Mounting the water reservoir and pump can be accomplished by using cylindrical clamping around the water reservoir. The water reservoir measures 2 inches in diameter and 11-3/4 inches in length including the threaded end caps.

Ask a question about the Compact Spindle Cooling Kit:
Previously answered questions:

Click on the question to reveal the answer.
  • [Compact Spindle Cooling Kit] Can we order longer/custom lengths of tubing?

    Yes, if you would like more tubing, just give me an email at customerservice@buildyourcnc.com with the length you need and the tubing will be sent uncut. I will need your name in the email so I can find the order and modify the order to reflect the new length of tubing.

    If you are looking for much longer lengths of tubing, you can find tubing by the foot here:
    https://buildyourcnc.com/item/pneumatic-hydraulic-silicone-tubing

    Click the link to add information to this solution:
    [772] Can we order longer/custom lengths of tubing?

  • [Compact Spindle Cooling Kit] Can you show me where you attach the spindle cooling system on your machines?

    Yes, here is a picture of the z-axis assembly of our greenBullv2 CNC router where we place all of the components of the water cooling system (except the power supply which is fastened to the back of the gantry).
    https://www.buildyourcnc.com/images/greenbullv2-2-800.JPG

    Click the link to add information to this solution:
    [772] Can you show me where you attach the spindle cooling system on your machines?

  • [Compact Spindle Cooling Kit] What is the small piece of clear plastic for that came inside the water reservoir?

    I'm actually not sure, but I believe it has something to do with reducing splashes. At least, that is what it seems like while watching the water flow. If others know, please add to this.

    Additional Information:
    It's a baffle to prevent the fluid from simply exiting after entering the chamber

    Click the link to add information to this solution:
    [772] What is the small piece of clear plastic for that came inside the water reservoir?

  • [Compact Spindle Cooling Kit] How do you mount the radiator?

    The radiator (fan and radiator are also called the heat exchanger), can be mounted using M3 screws at the back of the radiator. These are very small screws and may not be as secure as you need and I sometimes use #6 machine screws. Since the metal of the radiator is thin-gauge, it is easy to tap the holes with the #6 machine screws. I also like to use short rigid tubing, or bushings as standoffs to allow air movement.

    Click the link to add information to this solution:
    [772] How do you mount the radiator?

  • [Compact Spindle Cooling Kit] How do you connect the pump and fan to the power supply?

    This instruction assumes you are using the 24VDC power supply that is sold as an option with the kit.

    Connecting the 24VDC power supply to the fan and the pump:
    - Take an extension cord, cut off the female end and expose the black, white and green conductors
    - Strip the ends of these conductors
    - Connect the black to L, white to N, and green to the earth ground symbol on the power supply
    - The V+ and V- on the power supply will connect to both the pump and the fan
    - The Fan's red to V+ and black to V-.
    - If the pump came with a black and gray wire, the gray wire on the large connector of the pump is the V+ and the black wire on the same connector is the V-. the wire by itself with a small connector is not connected.
    - If the pump came with a red, white, and black wire, connect the red to V+ and the black to V-, like the fan. The white wire is not connected.

    Click the link to add information to this solution:
    [772] How do you connect the pump and fan to the power supply?

Instructions

An example setup of out spindle cooling system fastened to the gantry of the machine. I recommend positioning the system closer to the spindle on the z-axis, but this shows the overall system in use.

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