[Sandow12]

I am in the market to purchase a 110v ER20 Spindle. I would prefer to go air cooled. Does anyone have any suggestions on a specific setup. Been looking at this kit from Amazon.

https://www.amazon.com/dp/B06ZZSPT5R...v_ov_lig_dp_it

Thanks

[mactec54]

I am in the market to purchase a 110v ER20 Spindle. I would prefer to go air cooled. Does anyone have any suggestions on a specific setup. Been looking at this kit from Amazon.

https://www.amazon.com/dp/B06ZZSPT5R...v_ov_lig_dp_it

Thanks

2.2Kw on 110v is junk you end up with around a 800w spindle if you have a 120v service that can run it

[Sandow12]

So what would you recommend if I don't have the option for 220v. I have not seen a ER 110v at 1.5kw. A 2.2kw at 110v and 20amp, would that still be junk?

[mactec54]

So what would you recommend if I don't have the option for 220v. I have not seen a ER 110v at 1.5kw. A 2.2kw at 110v and 20amp, would that still be junk?

The max you can use on a regular 120v single phase supply is the 1.5Kw 110v spindle, you have to look at the whole picture as there is no such thing as 110v 3phase it is a made up spindle to sell to those that are new to this to look at your 2.2Kw spindle run on 240V NA supply then you still need a 25A supply for it to run correctly

You are best to run a 240v 30A or 40A supply for your machine this wants to be a 4 wire cable so you can use it as 120v / 240v

You can use a Transformer 120v to 240v you still need a 25A supply to do this, then you can use the 1.5Kw 220v Spindle

[FosterBDAV66]

The ones saying that you can't use a 2.2kw spindle on 110 don't know what they're talking about. The cnc's vfd converts the single phase to three phase, for states. Secondly, the kw rating of spindles has nothing to do with the voltage and amperage. It's based on spindle's max RPM and kn rating. That's stated, you won't find a Spindle above 2.2kw for 110vac.

Edit to add the following:
220v is possible in most all modern homes (in the USA and Canada). If you have an electric dryer you already have a 220v outlet. But it might not be in a helpful place for this. If you do get a 220v line installed go with a 50 amp setup. That will ensure that you have room for a more powerful vfd/spindle pair in the future.
Torque (lb.in) = 63,025 x Power (HP) / Speed (RPM)

Power (HP) = Torque (lb.in) x Speed (RPM) / 63,025

Torque (N.m) = 9.5488 x Power (kW) / Speed (RPM)

Power (kW) = Torque (N.m) x Speed (RPM) / 9.5488

A 2.2kw spindle at 24,000 RPM puts out 0.88n or 7.76 inch pounds of torque. That's regardless of it being 110 or 220 VAC rated spindle.

[mactec54]

The ones saying that you can't use a 2.2kw spindle on 110 don't know what they're talking about. The cnc's vfd converts the single phase to three phase, for states. Secondly, the kw rating of spindles has nothing to do with the voltage and amperage. It's based on spindle's max RPM and kn rating. That's stated, you won't find a Spindle above 2.2kw for 110vac.

NA is 120v not 110v

There is always someone that pretends they know better but have never run a 2.2Kw spindle on 120v single phase to know that it is not a good option, the max spindle Kw size for 120v is 1.5Kw and lower

Anyone that needs to use a 2.2Kw spindle will need 25A 240v NA supply