Re: [CAD_CAM_EDM_DRO] Re: newto cnc - - - - - - - advice on servo motors please.

caudlet wrote:

>>Yes Lee they are on ebay. http://cgi.ebay.co.uk/ws/eBayISAPI.dll?
>>ViewItem&item=3825869369&ssPageName=STRK:MEWA:IT. They are in a
>>cross shape. They will be for eithe a benchmill or small standing
>>mill. Table size probably 20" x 8" max. Will be milling copper and
>>aluminum mostly. Would these do, and is $65 each a fair price?
>>
>>Thanks,
>>Neil
>>
>>
>
>Neil: I looked at the photo and there is no evidence of external
>brushes. They may well have internal brushes that require
>disassembling the motor to replace a brush, but being new they won't
>need that for a long time. I can't see the number of wires coming
>out to tell if they might be brushless DC motors. If they are you
>will have a harder time finding cheap drives to use them with.
>
>

They practically HAVE to be brush motors. Those big "fins" have the
magnets in them. If the magnets are in the stator, then it has to have
wires in the rotor/armature.

Jon