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### Question #: 13877

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

Current Solution

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!

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### Other Possible Solutions to this Question

• 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 physical dimensions of the 2.2kw VFD?

On Monday, when I get back into the office, I will provide the dimensions for the 2.2kW spindle and I will also provide a drawing of these dimensions on the spindle 2.2kW page. Thanks.

Spindle dimensional specifications:

- Overall diameter is 80mm
- The length of the outer housing is 200 mm
- Diameter of the extension just below the spindle is 36mm and the length is 12mm
- The Collet shaft diameter is 11.318 and the collet nut diameter is 16.75mm and both extend from the extension approximately 52.5 mm
- The overall length is 264.5mm not including the air ports and the electrical connector (outer housing 200mm + extension 12mm + collet shaft and nut 52.5 mm).
- The air ports extend 20 mm from the top of the spindle

What are the physical dimensions of the 2.2kw VFD?

• 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.

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

• What are the model numbers for your 2.2kw 110v and 220v VFDs? Or can you share a link to their documentation?

Documentation for Parameter setup is included with VFD purchase. For spindle wiring and programming, please refer to the product pages for the spindles or VFDs (or the combo kit) and scroll down to instructions. For further assistance you can contact customerservice@buildyourcnc.com

• What is the dimensions of the 2.2kW water cooled spendle?

You can find 2.2 kW spindle dimensions on the spindle product page.

What is the dimensions of the 2.2kW water cooled spendle?

• What is the maximum runout on your water-cooled spindles?

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

What is the maximum runout on your water-cooled spindles?

• The 2.2kW Spindle, what fittings are needed to install water cooling tubes and what size tubes are meant to cool the 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 brand and/or country of origin are the stepper motors?

The stepping motors we sell are from China.

What brand and/or country of origin are the stepper motors?

• What are the fault conditions of the DM556 and DM542 drivers?

There are three main LED fault signals that the DM556 and DM442 drivers exhibit. There is a red and green LED. The red LED will show the fault signals.

The fault signals are:

- Over-Current: If there is continuous current that is above 16 amps, the Red LED will flash every three seconds. Over-current could be related to: a short in the motor coils, or two of the wires of the motor are shorted; of the motor wires/coil is shorted to ground.

- Over-voltage: If the power supply output to the driver exceeds a voltage of 52 volts, the red LED will flash twice every three seconds.

- Phase Error: Is the motor wires are not connect, or they are connected incorrectly, the red LED will flash four times every three seconds.

What are the fault conditions of the DM556 and DM542 drivers?

• AND WHAT SIZES ARE THE PACKAGES OF MACHINE.

the package sizes will be listed in your shopping cart, in the item detail. The site will also fully calculate shipping charges directly from the carrier, for each package you purchase.

AND WHAT SIZES ARE THE PACKAGES OF MACHINE.

• What are the actual measurements of the 5/8 and 1/2 ID bearings?

The dimensions for each bearing (5/8" and 1/2"):
1/2": OD 1.1255" - 28.5877mm / height 0.3150" - 8.001mm

5/8": OD 1.3750" - 34.925mm / height 0.3440" - 8.7376mm

What are the actual measurements of the 5/8 and 1/2 ID bearings?

• 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 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

• I have the 2.2KW VFD. I would like to have it controlled through software. What are the Mode parameters that need to be changed that will allow FWD/ REV, START/STOP and RPM control?

What controller are you using to control the cnc machine (Mach3 usb, parallel breakout board, etc.)?

The spindle VFD has an input for 0-10 volts to control the speed and can be used with the MAch3 USB or the Pokeys57CNC board. There are also other terminals in the VFD to control the forwared/reverse and start and stop. Mach3 has parameters to control these output and you need to specify which pins are used for these.

You can also use the TX/RX RS-485 connection on the VFD to have total control using an FTDI USB to serial connector board to connect the computer directly to the VFD.

How to connect the USB to Serial adapter to the VFD:
https://www.buildyourcnc.com/FAQ/13790

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

Pokeys57CNC board:
https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach4-mach3-USB-ethernet-Board

Mach3 USB board:
https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach3-USB-Board

Parallel Breakout board:
https://www.buildyourcnc.com/item/electronicsAndMotors-parallel-breakout-relay

I do apologize for leaving out the parts list.
Leadshine MX4660 4-Axis Digital Stepper Motor Driver
Ethernet SmoothStepper
YL600-2S-2K20 VFD
4 Relay control board
Has anyone had any success getting Mach3 to control the spindle speed and direction?

• Hello what is the thread size of the water cooling fittings on the 2.2kw spindle? I am wondering if I can replace the fittings with standard pc liquid cooling fittings, which are G1/4".

They do have a similar looking thread as the G1/4”, but I will confirm in the morning. We use the G1/4” on the pump and radiator so it will be easy to determine this fit when I get into the office.

Another FAQ says it is an M8, but I will confirm.

These are M8x1 thread. I was able to find M8x1 3/8 barb fittings on Ebay. I plan to drill and tap my spindle to G1/4 though.

• can you use oil to cool the spindles instead of water

Our spindles can only be cooled by water, and a synthetic cooling liquid that can be disposed of as waste water.
Information from our manufacture, shows that it did not implement the option of cooling it with oil, so we do not recommend trying it since this will void any warranty.

can you use oil to cool the spindles instead of water

• What size breaker is required for the 2.2kw 220v vfd ?

Since a 220V 2.2kW, or 2200W spindle will consume 9 to 10 amps at full torque:

2200W/220V = 10A
2200W/240V = 9.2A

then a 15 amp breaker would be suitable for this load.

What size breaker is required for the 2.2kw 220v vfd ?

• what are the dimensions and model number of the 3/8" ID roller bearings on your website?

The specifications for our 3/8" bearings are R6ZZ. The ZZ means double metal shielded. The metal shielding is to protect the ball bearings between the inner race and outer race.

Inside diameter: 3/8"
Outside Diameter: 7/8"
Width: 9/32"

what are the dimensions and model number of the 3/8" ID roller bearings on your website?

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