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

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

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.

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

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

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

U - Pin1
V - Pin2
W - Pin3
Pin4 Dead

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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?

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

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

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?

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.

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

U - Pin1
V - Pin2
W - Pin3
Pin4 Dead

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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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HOW DO YOU HOOK UP THE SPINDLE TO INVERTER?

Change PD001 Source of Run Commands to '1'
Change PD005 Max operating frequency to 400hz
Change PD004 base frequency to 400hz
Change PD003 Main frequency to 400hz
Change PD006 Intermediate frequency to 2.5
Change PD008 max voltage to 220v
Change PD009 Intermediate voltage to 15v
Change PD010 Min voltage to 8
Change PD011 frequency lower limit to >100hz (120hz to start)
Change PD142 7 Amps
Change PD143 2
Change PD144 3000

Note: PD001 had to be changed back to 0 to allow for keypad control.
Note2: I had to reverse U and V to get the spindle to go forward in FWD. (reverse any two wires, u&v or w&v for example)

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HOW DO YOU SETUP THE SPINDLE INVERTER VFD?

Change PD001 Source of Run Commands to '1'
Change PD005 Max operating frequency to 400hz
Change PD004 base frequency to 400hz
Change PD003 Main frequency to 400hz
Change PD006 Intermediate frequency to 2.5
Change PD008 max voltage to 220v
Change PD009 Intermediate voltage to 15v
Change PD010 Min voltage to 8
Change PD011 frequency lower limit to >100hz (120hz to start)
Change PD142 7 Amps
Change PD143 2
Change PD144 3000

Note: PD001 had to be changed back to 0 to allow for keypad control.
Note2: I had to reverse U and V to get the spindle to go forward in FWD. (reverse any two wires, u&v or w&v for example)

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HOW DO YOU SETUP THE SPINDLE INVERTER?

U - Pin1
V - Pin2
W - Pin3
Pin4 Dead

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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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HOW TO CONNECT THE SPINDLE INVERTER?

Yes, all of the spindles come with collets. The collets have a 1/4" (6.35mm) bore for end mills that have a 1/4" shank. The ER specification is different for the 1.5kW (ER-11) and the 2.2kW (ER-20).

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I’M LOOKING TO PURCHASE SPINDLE AND VFD WAS CURIOS IF THE SPINDLES COME WITH COLLETS SO WHICH ONES?

For the 2.2kW Spindle you would need the ER20 1/2" Collet.

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What 1/2" collet and nut do I use for the Greenbull with the 2KW spindle? I want to order the Onsrud Spoilboard surfacing cutter.

From reading on the Hitachi WJ200-022SF VFD, it seems as it will work just fine with this VFD. However since we have not tried this cross match, I would carefully take each connection and setting into great consideration and detail on both the Hitachi recommendations for setup, as well as our spindles recommended setup.
Our spindles do not have a thermal couple temperature output.

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Will your 2.5 KW spindle work with my Hitachi WJ200-022SF VFD and does it have a thermal couple temp output?

The type of wire that should be used between the spindle and the VFD (Variable Frequency Driver also called the inverter) should be of stranded type and we use between 18 and 16 AWG.

The total current is divided among the three coil wires, therefor a wire gauge of 16 should be sufficient.

Currently we use 20AWG 4 conductor.

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WHAT ELECTRICAL CABLE DO I USE TO CONNECT VFD INVERTER SPINDLE?

Depending if the spindle can work with this specific VFD, it might be possible. However we would not like to risk you working unit, with a possible match so we would like more details on your specific model and any information available on the spindle itself.

Response
The only info on the spindle is 2.2KW 400HZ 220V. Made by Zhong Hua Jiang.

Was originally on a Delta C200 vfd. That is 220 single phase.

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I PURCHASED A VFD AND SPINDLE FROM FRIEND, HIS SET UP IS 220. DON'T HAVE 220 IN MY SHOP. QUESTION CAN USE YOUR 110 WITH THIS SPINDLE??

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?

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.

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20

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

The leadscrew length for the greenBull long Z-axis is 47 inches.

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BUILDING ONE OF YOUR GREENBULL 6X LONG AND 2.2 KILOWATT SPINDLE DOES NOT FIT. SEEMS LEAD SCREW YOU SENT WITH KIT IS SHORT 42" LOOKS LIKE IT NEEDS TO BE 5 OR 6 INCH LONGER. THIS CORRECT? WHAT THE NEEDED LENGTH FOR UNIT?