[Lab] ideas for small spindle for small cnc

Darcy Whyte darcy at siteware.com
Wed Feb 9 18:51:46 EST 2011

Great idea.

I could run the spindle chuck from a belt or I could try and find a chuck
that could mount on the shaft. Nothing shows up in ebay but I don't know
what to search for. I'll keep fishing around...


On Wed, Feb 9, 2011 at 6:21 PM, Paul (Maker Engineering) <
paul at makerengineering.com> wrote:

> I would say get a shaft that fits a stock chuck (drill press chuck for
> example)
> Mount a pulley drive on it, and drive it from an RC Brushless DC Motor,
> with an RC Speed controller. You can send it simple servo signals (pwm) to
> control the speed accurately and easily, and the whole thing would be quite
> high torque, and fairly cheap. And no fancy electronics to power the motor,
> just feed it raw 12VDC from your main PSU.
> - Paul
> On Wed, Feb 9, 2011 at 6:15 PM, Darcy Whyte <darcy at siteware.com> wrote:
>> Hi,
>> I want to make a couple small CNC mills for fun. I decided the Mantis is
>> too small so I am doing other designs. I want to use it for cutting balsa
>> wood and the other for more general purpose.
>> I am looking for ideas for the spindle for cutting balsa wood. I think if
>> it had an 1/8th chuck so I could use my 1/64th end mill that would be cool.
>> Any ideas what to use for the spindle??
>> _______________________________________________
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