CAD CAM EDM DRO - Yahoo Group Archive

Re: Distractions....

Posted by Jon Elson
on 1999-12-23 12:05:17 UTC
PTENGIN@... wrote:

> There has been a couple of articles in Home Shop Machinist on building the
> converter you speak of. I used an old Baldor 5 horse and it ran a 3 HP just
> great. Once I discovered the VFD's that Jon E. always speaks of, I was hooked
> bought one and sold my converter the next week. It took too much space and
> power. Noisy too. And only had one speed!!

Yup, the newer, digital PWM VFD's are truly wonderful! I not only get variable
speed, I also get DC braking, so I get a quick stop without using up the spindle
brake. Also, if the spindle motor stalls (not too likely) I can have a relay put the
CNC control into E-stop.

Jon

Discussion Thread

David L Anderson 1999-12-22 15:45:40 UTC Distractions.... Darrell 1999-12-22 15:21:36 UTC Re: Distractions.... Jon Anderson 1999-12-22 16:06:55 UTC Re: Distractions.... Jon Elson 1999-12-22 21:33:40 UTC Re: Distractions.... PTENGIN@a... 1999-12-23 04:23:40 UTC Re: Distractions.... paul@A... 1999-12-23 06:17:15 UTC Re: Distractions.... Charles VanLeeuwen 1999-12-23 07:33:47 UTC Re: Distractions.... Jon Elson 1999-12-23 12:05:17 UTC Re: Distractions.... Darrell 1999-12-22 15:26:59 UTC Re: Distractions.... Paul Corner 1999-12-23 16:16:19 UTC Re: Distractions.... Ted Robbins 1999-12-23 20:13:06 UTC Re: Distractions....