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### Question #: 14685

Question: what is the horse power rating for the 2.2 kw spindle motor

Current Solution

I don't know the exact temperature, but the spindle actually needs to get to a relatively high temperature for normal operation and to protect the bearings. IF I find better information from our supplier, I will add this information to this answer.

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### Other Possible Solutions to this Question

• what is the horse power rating for the 2.2 kw spindle motor

2.2 kW spindles have 2.95 HP.

what is the horse power rating for the 2.2 kw spindle motor

• What is a normal max operating temperature for a 2.2kw water cooled spindle?

I don't know the exact temperature, but the spindle actually needs to get to a relatively high temperature for normal operation and to protect the bearings. IF I find better information from our supplier, I will add this information to this answer.

What is a normal max operating temperature for a 2.2kw water cooled spindle?

• 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

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

• What brand is the 2.2 kW spindle? Same for the VFD. Thanks.

Spindles are generally covered up to 1 year after date of purchase. We do not repair them in house, but we do work with our manufacturer to replace defective units. Generally if you have a defective unit covered under warranty, we will issue a replacement.

What brand is the 2.2 kW spindle? Same for the VFD. Thanks.

• What is the minimum RPM for the 2.2kW spindle?

Spindles with 2 poles, which is typically for these types of spindles will have a minimum RPM of 6000 RPM or 100Hz; however, I would not run the spindle below 15000 RPM or 250Hz to give a safety factor and no damage will occur.

If you have a 4 pole spindle, then much lower RPMs can be achieved, and with higher torque than a 2 pole spindle. The 4 pole spindle will require more power than 2 pole spindles and will not be able to achieve as high maximum RPMs.

What is the minimum RPM for the 2.2kW spindle?

• What is the rpm range of the 2.2kw spindle and inverter?

The VFD is capable of a maximum of 400 Hz frequency. That converts to 24,000 RPM for the spindle. The minimum frequency is 100 Hz which is 6000 RPM.

how to program VFD for low speed

You can program the VFD for low RPM only if the spindle will function at low speed without failure. What is the model of your VFD?

What is the rpm range of the 2.2kw spindle and inverter?

• What are the noise levels of the 1.5 Kw and 2.2Kw spindles?

The noise level of the 1.5 kW and the 2.2 kW are very similar. The noise level is considerably quieter than typical routers. I am going to add sound db levels to this FAQ a bit later.

The db (decibels) reading for the spindle is 70 and an 890 Porter Cable router (a lower powered tool than the spindle) measured 90 db. Both measurements were taken in the same environment and measured at the same distance from the tool.

Practically silent. The inverter makes more noise!

Practically silent. The inverter makes more noise!

What are the noise levels of the 1.5 Kw and 2.2Kw spindles?

• What is the recommended unit or brand of CPU cooling system for the 2.2 kw spindle on the Fabricator Pro machine

There really isn't any specific brand. We purchase the components in a disparate fashion from China. I will product a video today that shows all of the components that we use and also offer the components on the website.

From the upcoming video, you will be able to identify the parts is you feel you want to search for these components yourself.

• 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.

What is the warranty on your 2.2KW spindle

• what is the packing list for the laser/spindle combo head

The laser/spindle combo head includes the following major items:

Spindle components:
- The Spindle and VFD (Variable Frequency Drive) also called an inverter.

Laser components:
- 40 watt laser tube.
- Laser nozzle with laser focus lens (20 mm).
- nozzle tube fitting with 36 inches of silicone tubing.
- 40 watt laser power supply.
- Potentiometer (panel mount) to adjust laser intensity.
- Toggle switch (on/off SPST - Single Pole Single Throw).
- Air pump to provide air assist to keep debris out of the nozzle.

Structure and hardware:
- All structural parts to form the z-axis rail support and mounts for the spindle and laser tube/nozzle, vacuum hose and dust shoe
- 1/2" - 10 TPI 5 starts lead screw (2 turns per inch).
- Many screws/nuts/cross dowels.
- Dust shoe with installed strip brush.
- Aluminum angle to serve as rail.

what is the packing list for the laser/spindle combo head

• What power supply do you recommend for the spindle and limit switches if I buy the USB Mach3 breakout board?

Any of the following power supplies will be fine for powering the Mach3 USB controller:
https://www.buildyourcnc.com/item/24v

however, the limit switches do not need high current, so the following power supply is sufficient for the task of connecting limit switches:
https://www.buildyourcnc.com/item/electronicsAndMotors-power-supply-24v-1a-dc

• What is the HP of the 2.2KW spindle

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

What is the HP of the 2.2KW spindle

• on the 2.2Kw water cooled spindle, what is the cooling port thread type and size?

It is an M8 metric size on the port going into the spindle, and a 1/4" compression on the other side.

Is the M8 port a M8x1.25 or M8x1?

If you are referring to the book build, use a chamfer bit that is large enough to create a chamfer for most of the edge of the 3/4" thickness of the board, but still has a sliver of space for the bearing on which to ride.

Mine is M8x1mm. I replaced the stock fitting with a brass hose barb and used "steel wire reinforced vacuum hose" with a 1/4" ID because it resists kinking and collapsing.

on the 2.2Kw water cooled spindle, what is the cooling port thread type and size?

• What is the liquid input and output barb size on your 2.2kw water cooled spindle?

The spindle water inlet and outlet fittings are 1/4 Inside Diameter and 3/8 Outside Diameter.

You can find the silicone tubes here:
https://buildyourcnc.com/item/pneumatic-hydraulic-silicone-tubing

This fitting will connect to the pump (1/2" male to 1/4" female):
https://buildyourcnc.com/item/pneumatic-hydraulic-Tube-Fitting-Female-to-Male

And this fitting will provide a reduced barbed size (1/4") for the tube:
https://buildyourcnc.com/item/pneumatic-hydraulic-Tube-Fitting-Barbed-to-Male

What is the liquid input and output barb size on your 2.2kw water cooled spindle?

• What size motor is powering the y axis on the greenLean CNC machine?

For our greenLean CNC vertical machine, was built and controlled using 2 651-oz in motors/425 oz-in motor.
The 651-oz motors runs both the x/y axis, as our 425-oz motor controls the z axis.

What size motor is powering the y axis on the greenLean CNC machine?

• Is there a recommended break in process for a 2.2kw water cooled spindle?

A break in process, I'm guessing means if the spindle needs to be turned off for some reason? If so, then no. The water cooled spindle can be run constantly. We run our spindle for very long periods of time.

Is there a recommended break in process for a 2.2kw water cooled spindle?

• Can you tell me what gauge wire is needed for limits switches and the spindle?

The hookup wires you will need is 22 to 24 AWG stranded and shielded for the wiring of the limit switches and E_Stop. Our kit customers select various places for these switches, so we don't supply the wiring. If you don't use shielded cable, you will need to change the debounce setting in Mach3 (if that is the control program you are using).

We typically use 14 AWG stranded wire for the VFD to Spindle (U, V, W) connections.

Can you tell me what gauge wire is needed for limits switches and the spindle?

• 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

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

• What collet size comes with the 2.2kw spindle?

All of our spindles come standard with a 1/4" collet. The 2.2kw, and 4.0kw, can be upgraded to a 1/2" collet with a separate purchase.

What collet size comes with the 2.2kw spindle?

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