Re: [CAD_CAM_EDM_DRO] Re: Gecko burned - fixed for now

Thanks,

Hopefully I will be receiving a Rutex drive sometime next week so I will
be able to play :-)

Les

Keith Clark wrote:

>
>
> Les,
>
> I am very interested in your experience. Those motors are so
> inexpensive, I hope they have the torque etc. I have a motor meant
> for treadmills that I got from them and used on my drill press. I
> am not sure which one it is and how it compares. It uses a DC
> controller but it really bogs down under load.
>
> Good Luck!
>
> Keith
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, Les Newell <lesnewell@f...>
> wrote:
>
>>Hi Keith,
>>
>>I will be using treadmill motors from surpluscenter.com, item
>
> number
>
>>. Carriage to the UK cost more than the motors but they are still
>>lots cheaper than anything I can get in this country. Surplus
>
> center
>
>>were very helpful.
>>
>>The motors are designed to be foot mounted but they have a nice
>
> big
>
>>flange on them that can be drilled with the same bolt holes as the
>>current motors. They are smooth to turn by hand with only a little
>>'cogging' and will run down to about 1.5V.
>>
>>I intend to use 200CPR encoders(giving 800 steps/rev) and I will
>>probably gear them down 4:1, giving a resolution of 16000
>
> steps/inch.
>
>>The Z axis will probably stay 1:1 because I don't fancy trying to
>
> change
>
>>the belt :-)
>>
>>I will go with Rutex drives, not because I have anything against
>
> the
>
>>Gecko drives but because I have future plans that will make use of
>
> the
>
>>SPI facility.
>>
>>I will let you know how I get on...
>>
>>Les
>>
>>
>>Keith Clark wrote:
>>
>>
>>>Les, I am afraid I may be in the same boat. I hope at least
>
> that
>
>>>the GEcko might be repairable with the fuse there.
>>>
>>>Have you made a choice as to servo motors yet? As I remember,
>
> you
>
>>>have a Bridgeport too?
>>>
>>>Thanks,
>>>
>>>Keith
>>>
>>>
>
>
>
>
>
>
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