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?

To loosen and tighten the collet nut for the 2.2kW spindle, I use a 22mm wrench (spanner) for the shaft and a 30mm wrench for the nut.

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WHAT SIZE WRENCHES DOES THIS SPINDLE TAKE TO TIGHTEN?

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?

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??

Tinnitus . Learn to love it. No really you should see a doctor. Make sure. White noise will help you sleep when it gets loud.

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I learned, too late, that if a sudden loud event causes tinnitus, see an audiologist IMMEDIATELY. They can do something about it if addressed within a day or so.

Wear hearing protection...always. Loud noises trigger my tinnitus, and headphones and ear plugs (when out & about or at the movies, subway, etc) help tremendously. Mine are rated 33dB.

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WHAT CAUSES RINGING IN YOUR EAR AND HOW CAN YOU STOP IT?

Limit switches are not really needed for this level of a machine, but if you do want to use them, then you will need to connect them with shielded cable and ground the shield at both ends and any other non-used wire in the cable. Limit switches are very susceptible to the motor interference. You will also need to adjust the debounce in the software you will use.

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DO NEED LIMIT SWITCHES, IF SO WHAT IS YOUR RECOMMENDATION?

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

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

We provide a one year warranty from the date the item is delivered.

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WHAT IS THE WARRANTY ON YOUR PRODUCTS

The hub length of the drive sprocket and the other mechanical devise that is used to connect on the shaft will determine the length of the shaft needed for use with the drive sprocket.

The hub lengths for our drive sprockets are 1/2". So if you are connecting the drive sprocket to a motor, your motor shaft will need to be at least 1/2" in length.

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wHAT IS THE SMALLEST LENGTH SHAFT I CAN USE FOR YOUR #25 DRIVE SPROCET?

The gantry sides, gantry bridge parts, two 1/2" rods, two 1/2" ID bearings, two 1/2" ID 12 tooth sprockets, and extra roller chain.

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WHAT IS INCLUDED IN THE BLACK TOE TO FOOT UPGRADE?

An axis is a direction of motion controlled by the CNC machine control. It can be linear (motion along a straight line) or circular (a rotary motion). The number of axes a machine has determines it's machining capabilities. A 2.5 axis machine really has three moving axes, but only two axes can move together (most machines sold today are full three axis machines). For machining centers, a three axis machine will have three linear axes. A four or five axis machine will have three linear axes as well as one or two rotary axes.

Note that 2.5 versus 3 axis has yet another context. 2.5 axis machining requires that the machine have three axes, but only two axes must be moving simultaneously at any one time. (Simple operations, like drilling and most milling, fall into this category). On the other hand 3-axis machining requires that all three axes be moving at the same time (More complex operations, like the machining of sculptured surfaces required in molds and airfoils, fall into this category.)

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WHAT IS THE DIFFERENCE IN A 2.5 AXIS MACHINE?

The lowest Hz for a 2 pole 2.2kW spindle is 250 Hz. That works out to 15,000 RPM. If you need lower RPM, a separate spindle will be required. This is typical for industrial CNC machines where spindles are changed out to mill on different materials.

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Thank you for the reply.

Does that mean the 2.2 kW spindle sold by BYCNC is a 2-pole, not a 4-pole? There don't seem to be specs on the website for the 2.2 kW spindle.

I currently have the 1.5 kW spindle from BYCNC and can run from 0-24000. 1500 is no problem. I never mill at that low of a speed, just use the edge finder to set the workpiece coordinates.

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What is the minimum RPM for the 2.2 kW spindle? Info on spindle page says 0-24,000. Elsewhere in this knowledge base it says 6000. My edge finder has a1500 RPM limit.

Can you provide the model number of your VFD?

Yes, I have the "YL600 - 2S - 2K20"

It just came with a small booklet that is all in Chinese...

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I WIRED MY VFD (2.2KW VERSION) AND TRIED TEST RUNNING THE SPINDLE. CONFIGURED TO YOUR SPECS ON THIS WEBSITE, ONLY ISSUE IS WE GOT AN ERROR CODE. ERR 02, DO YOU KNOW WHAT IS? OR HAVE A LIST OF CODES? THANK

The spindle inverter (VFD) will run on a 220V (or between 170V-250V) power source with either 50Hz or 60Hz.

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DOES THE SPINDLE RUN ON A 50HZ POWER SOURCE?

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?

The total length of the brush strip for a 2.2kW spindle would be 17 1/4" inches.

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20

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LENGTH OF THE BRUSH STRIP FOR SPINDLE 2.2KW

Your heart pumps blood.

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WHAT DOES YOUR HEART PUMP?

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?