SV: [CAD_CAM_EDM_DRO] 5-Phase steppers

The more modern 5 phase steppers (!) are better. They are stronger for
the size than 2 phase, they have more resolution and are smoother in
movement. The problem is drivers. There are not many available. I have
some myself, and they are 120 V types (meaning they use 120 V out to the
motors to make the curent rise faster than normal 20-40 V types) and
have microstepping to 80 micro-steps / step. They are good, but also
expensive!
Have a look here: http://www.tamagawa-seiki.com/pdfe/1596n1e.pdf

Anders

> -----Opprinnelig melding-----
> Fra: Roelof Verlinde [mailto:r.verlinde@...]
> Sendt: 19. januar 2005 11:29
> Til: CAD_CAM_EDM_DRO@yahoogroups.com
> Emne: [CAD_CAM_EDM_DRO] 5-Phase steppers
>
>
>
> Newbee,
>
> as an newbee in cad cam I have two questions
> to make a start wiht retrofitting my mill I can obtain three 5 Phase
> stepper motors from Berger Lahr.
> 1.are there advantages to use 5 phase steppers instead of more modern

2

> phase?
> 2.are there drivers or plans for boards and are these boards

compatible

> with mach2 etc.
> greetings
> Roelof
>
>
>
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