Re: [CAD_CAM_EDM_DRO] Re: Re: Re: Bridgeport Series I verse Series II CNC Refit Candidates

>Sorry got to disagree with Les on this one.
>I have recently done a Beaver conversion from the original 20 year old drivers and fitted API 260's
>The only way I could get these to run without losing steps was in series mode and drop the travels right down.
>Even that didn't stop these faulting out though.
>
>I also tried an early Gecko 210 but that still lost steps.
>Then tried the later Gecko with the 42 jumper and it ran fine.
>Now using original type 42 motors, 59 volt power supply, 7 amp output into parallel wound motors.
>No more lost steps and running at 130 in/ min. I know this as I timed it last week for someone else.
>
>All drives fitted on large heat sink with 2 6" fans blowing over them.
>I can do an 8 hour day, full production and have no problems, lost steps and the drives are stone cold at the end of the day
>
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