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Question #: 15136

Question: [2.2 kW (kilowatt) Water Cooled Spindle] what type of bearings are used in the 2.2 kW (kilowatt) Water Cooled Spindle

Current Solution

The 2.2kW spindle has 4 bearings in total:
- two 7005 angular contact ball bearings and 25mm ID x 47mm OD x 12mm W
- two 7002 angular contact single row ball bearings with the dimensions 15mm ID X OD 32mm X W 9mm

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Other Possible Solutions to this Question

  • I am interested in buying the water cooled 2.2 KW spindle for $339, how much does it weigh?

    The weight of the 2.2kW spindle without the VFD (variable frequency drive or inverter) is 11 lbs or 5 kg.

    The 2.2kW spindle with the VFD is 15 lbs or 6.8 kg.

    Additional Information:

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    I am interested in buying the water cooled 2.2 KW spindle for $339, how much does it weigh?

  • Can the 2.2 KW water cooled spindle be fitted with a 1/2" chuck/collet ?

    Absolutely. You can have 1/2" collets used in 2.2kW spindles.

    Here is a link for the ER-20 1/2"ID Collet:
    https://www.buildyourcnc.com/item/spindle-collet-!5-er20-spindle-collet

    Click the link to add information to this solution:
    Can the 2.2 KW water cooled spindle be fitted with a 1/2" chuck/collet ?

  • What is the runout on the 2.5 KW spindle and how many bearings?

    The runout on our 2.2kW spindle and number of bearings are:
    Radial runout: 0.01mm - 0.000393701 inches, 3 Bearings


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    What is the runout on the 2.5 KW spindle and how many bearings?

  • I have a GMT 2.2kw water cooled spindle that sounds like the bearings are going out and want to know if your spindle (https://buildyourcnc.com/Item/spindle-inverter-2!2kw-spindle-novfd) is comparable for a swap. The drive is a Delta VFD-M 220v.

    Our spindle should work fine with your Delta VFD-M 220v. Spindles that match a VFD are specific to the coil windings. The bearings, shaft and other mechanical components that make up the spindle may be different, but that should not matter.

    Click the link to add information to this solution:
    I have a GMT 2.2kw water cooled spindle that sounds like the bearings are going out and want to know if your spindle (https://buildyourcnc.com/Item/spindle-inverter-2!2kw-spindle-novfd) is comparable for a swap. The drive is a Delta VFD-M 220v.

  • Are there instructions to disassemble the 2.2KW spindle (220v)? We need to replace the bearings.

    We actually tried dissassembling one of our spindles in house with no success, but I just found a good thread on CNCZone that has a good set of photos and instructions.

    Here is the link: http://www.cnczone.com/forums/spindles-vfd/129454-water-cooled-chinese-spindle-disassembly.html

    Please let me know if this helps.

    Additional Information:
    Also, If you have no success, let us know and we will make an attempt here on video.

    Click the link to add information to this solution:
    Are there instructions to disassemble the 2.2KW spindle (220v)? We need to replace the bearings.

  • Hi, I'm considering buying one of your 2.2 KW water cooled spindles. What is these spindles run out ?

    TIR specifications for the ER-20 collet used on 2.2KW Spindles is .0004 inches.

    Click the link to add information to this solution:
    Hi, I'm considering buying one of your 2.2 KW water cooled spindles. What is these spindles run out ?

  • WHAT ARE THE SPINDLE INVERTERS (VFD) INPUT AC CONNECTIONS FROM WALL OUTLET?

    Input to VFD:
    240V Active - R
    240V Neutral - S
    Ground - E

    Additional Information:

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    WHAT ARE THE SPINDLE INVERTERS (VFD) INPUT AC CONNECTIONS FROM WALL OUTLET?

  • It seems that the water cooling lines inside my 2.2KW spindle are clogged. Is there a way to unclogg them?

    You can use a compressor to unclogg the water lines of the spindle. We use this method and it works every time (so far).

    Click the link to add information to this solution:
    It seems that the water cooling lines inside my 2.2KW spindle are clogged. Is there a way to unclogg them?

  • What is the Greenbull average power consumption in conjunction with 2.2KW spindle?

    You can determine you overall CNC machine current consumption be adding your spindle power plus your CNC motion power and the power that your computer requires.

    the formula to understand the current of each component is watts = volts x current, or W = V * I, or with some algebra, Current (I) = Watts (W) / Volts (V)

    For example:

    Spindle:
    The 2.2 kW = 2200 watts and you can find the current by taking the input voltage of 220 volt and get the current using the above formula: 2200 W / 220 V = 10 A (Amps)

    CNC motion electronics:
    The power supply that comes with our machines is generally 8.8 A

    Computer:
    The computer that you use to control the CNC machine will have a specific wattage. Let's say the watts is 500: 500 W / 110 V = 4.5 A

    Add them up: 10 A + 8.8 A + 4.5 A = 23.3 Amps

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    What is the Greenbull average power consumption in conjunction with 2.2KW spindle?

  • WHAT ARE THE OUTPUT INVERTER (VFD) CONNECTIONS TO SPINDLE?

    U - Pin1
    V - Pin2
    W - Pin3
    Pin4 Dead

    Additional Information:
    My home made cnc is a big problem with my NC connection. When in start my spindle it will be gone wrong. It will be limith switch problem anytime. Need help thanks.

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    WHAT ARE THE OUTPUT INVERTER (VFD) CONNECTIONS TO SPINDLE?

  • Can you control the spped of the 2.2 KW spindle using the breakout board and Mach3 soft ware?

    Yes, you can control the speed of the 2.2 kW spindle, and the other spindles we sell, through Mach3 software. It requires making some changes to the settings in Mach3 and in your inverter. It also requires an additional part, which is called a USB to Serial Converter, found on our site here:

    https://www.buildyourcnc.com/item/Interfaces-newbiehack-Interfaces-TTL232R-USB-UART-Serial

    I have some additional instructions, that I will send upon request, by email. I will also be adding a complete tutorial and video, to the website, on how to do this soon.

    Additional Information:
    20

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    Can you control the spped of the 2.2 KW spindle using the breakout board and Mach3 soft ware?

  • 1.5KW water hose 1/4" ID - 3/8" OD does not fit in spindle fitting with ID 0.31"

    If you are using a silicone tube with a 1/4” ID, it will fit the nipple of the 1.5kW spindle water connections measuring an OD of 0.31”. The silicone will stretch and you will need to use water or saliva to help the tube fit.

    The tube ID being smaller than the nipple will help the seal prevent water from leaking.

    Click the link to add information to this solution:
    1.5KW water hose 1/4" ID - 3/8" OD does not fit in spindle fitting with ID 0.31"

  • [78] What size circuit breaker should I use for this spindle?

    The 2.2kW spindle has a power rating of 2.2kW or 2200 watts.

    If the VFD AC voltage input is rated for 220 volts, then 2200 watts / 220 volts is 10 amps, so a 15 or 20 amp breaker will work.

    If the VFD AC voltage input is rated for 110 volts, then 2200 watts / 110 volts is 20 amps, so a 25 or 30 amp breaker will work.

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    [78] What size circuit breaker should I use for this spindle?

  • What is the HP of the 2.2KW spindle

    The 2.2kW spindle outputs approximately 3 HP (Horse Power).

    Click the link to add information to this solution:
    What is the HP of the 2.2KW spindle

  • WHAT TERMINALS ARE USED TO CONNECT THE INVERTER WALL OUTLET?

    Input to VFD:
    240V Active - R
    240V Neutral - S
    Ground - E

    Additional Information:

    Click the link to add information to this solution:
    WHAT TERMINALS ARE USED TO CONNECT THE INVERTER WALL OUTLET?

  • WE ARE ALWAYS CONCERNED THAT THERE WON'T BE ENOUGH VACCINE TO VACCINATE OUR PATIENTS IN THE FALL. WHAT CAN DO ASSURED WE'VE DONE ALL POSSIBLY AVOID THIS TYPE OF SITUATION?

    It is never too early to begin planning for the coming fall's influenza vaccination program. The most important thing you can do initially is to place your order for vaccine from your usual source. Some manufacturers often stop taking pre-orders in mid-May. Be sure to include vaccine for pediatric patients needing two doses and also for your facility's healthcare workers as part of your overall campaign.

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    WE ARE ALWAYS CONCERNED THAT THERE WON'T BE ENOUGH VACCINE TO VACCINATE OUR PATIENTS IN THE FALL. WHAT CAN DO ASSURED WE'VE DONE ALL POSSIBLY AVOID THIS TYPE OF SITUATION?

  • WHAT LENGTH OF MOTOR CABLE SHOULD BE USED WTIH THE BLUECHICK V4.2

    The recommended total length of motor cable should be 15 feet for the blueChick v4.2

    Z - 6 feet
    Y - 5 feet
    X- 4 feet

    20 AWG 4 conductor

    If your drivers will be positioned farther from the machine, you may need longer cable.

    Additional Information:

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    WHAT LENGTH OF MOTOR CABLE SHOULD BE USED WTIH THE BLUECHICK V4.2

  • WHAT CABLE LENGTHS ARE USED FOR THE BLACKTOE

    The motor cables for the blackToe are as follows:

    Total 30 feet

    X - 9
    Y - 10
    Z - 11

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    Click the link to add information to this solution:
    WHAT CABLE LENGTHS ARE USED FOR THE BLACKTOE

  • What is the warranty on your 2.2KW spindle

    We honor a one year warranty on most parts like main machine components, structural parts, mechanical parts and some electronic parts including spindles.

    Click the link to add information to this solution:
    What is the warranty on your 2.2KW spindle

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