CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Need 1N4437 bridge rectifier...

Posted by Darrell
on 2000-09-12 20:39:35 UTC
Doug,
If the voltage really is to high with the bridge rectifier, replace it with
a diode. That
would give you .707 of the 110 volts for 78 volts DC instead of the 1.4
times 110
for a DC voltage of 154 volts.
Darrell

----- Original Message -----
From: <dougrasmussen@...>
To: <CAD_CAM_EDM_DRO@egroups.com>
Sent: Tuesday, September 12, 2000 4:09 PM
Subject: [CAD_CAM_EDM_DRO] Need 1N4437 bridge rectifier...


>
> Group,
>
> Anyone know a source for this item? Mounts with a 1/4" bolt on the
> back. Metal case. At 110V ac input, ouput is 90V dc. Probably
> about 10 amp rating.
>
> Apparently this was widely used 20-30 years ago. My local sources
> don't even show the number in their listings.
>
> It's for the high/low clutch mechanism in a Hardinge DSMA.
>
> Lacking the exact part number I replaced it with one of those plastic
> cased rectifiers with 30A rating. Output is around 110V dc. Seems
> like the clutch actuating coils are running a little hot, although I
> can't say for sure since I never checked them until now.
>
> Anyway, it'd be nice to get the exact replacement part.
>
> Thanks,
>
> Doug
>
>
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Discussion Thread

dougrasmussen@c... 2000-09-12 16:09:32 UTC Need 1N4437 bridge rectifier... A. G. Eckstein 2000-09-12 16:45:40 UTC Re: [CAD_CAM_EDM_DRO] Need 1N4437 bridge rectifier... Alan Marconett KM6VV 2000-09-12 17:36:10 UTC Re: [CAD_CAM_EDM_DRO] Need 1N4437 bridge rectifier... tommy marantz 2000-09-12 17:45:16 UTC re: Need 1N4437 bridge rectifier... Stan Krumme 2000-09-12 17:55:13 UTC Re: Need 1N4437 bridge rectifier... JanRwl@A... 2000-09-12 20:03:55 UTC Re: [CAD_CAM_EDM_DRO] Need 1N4437 bridge rectifier... Darrell 2000-09-12 20:39:35 UTC Re: [CAD_CAM_EDM_DRO] Need 1N4437 bridge rectifier... ballendo@y... 2000-09-12 23:53:04 UTC Re: Need 1N4437 bridge rectifier... Jon Elson 2000-09-13 00:14:39 UTC Re: [CAD_CAM_EDM_DRO] Need 1N4437 bridge rectifier... ballendo@y... 2000-09-14 02:38:05 UTC Re: Re: Need 1N4437 bridge rectifier... dougrasmussen@c... 2000-09-14 06:54:23 UTC Re: Need 1N4437 bridge rectifier... Jeff Barlow 2000-09-14 10:42:41 UTC Re: [CAD_CAM_EDM_DRO] Re: Need 1N4437 bridge rectifier...