Re: [CAD_CAM_EDM_DRO] Hybrid Stepper Motors

----- Original Message -----
From: "Greg Jackson" <greg@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Friday, March 12, 2004 10:02 PM
Subject: RE: [CAD_CAM_EDM_DRO] Hybrid Stepper Motors


> A stepper motor which has a permanent magnet in the rotor and depends
solely
> on the interaction between the flux field of the magnet and the coils is a
> PM stepper motor. This is pretty similar to a DC brushless motor, but it
is
> run much differently.
>
> A stepper motor which has only iron in the core and snaps to position by
the
> fact that the rotor will prefer to be in a position where the reluctance
is
> minimum is a variable reluctance or VR stepper motor. The minimum
> reluctance position is where the air gap is minimum.
>
> A stepper motor which used both principles of operation for maximum effect
> is a hybrid stepper motor.
>
> Every motor ever discussed in this group and related groups is a hybrid
> motor. The other types are only common in some very specific
applications.
>
> GTJ
>
> > -----Original Message-----
> > From: Brad Eyben [mailto:abeyben@...]
> > Sent: Friday, March 12, 2004 4:40 PM
> > To: CAD_CAM_EDM_DRO@yahoogroups.com
> > Subject: [CAD_CAM_EDM_DRO] Hybrid Stepper Motors
> >
> >
> > Would someone please tell me what defines a HYBRID stepper motor.
> > Is that the same as low inertia/high torque motors?
> > Also, how many steps per rev in a 1.8 deg motor? 200? and how
> > does microstepping affect resolution?
> > I'm trying to figure out pulley ratios for a gantry drive.
> > So if I have 1 rev=1" of travel, would that be .005" per step?
> > Thanks,
> > Brad
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
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> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
> http://www.metalworking.com/news_servers.html
>
> http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
sister site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> bill
> List Mom
> List Owner
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> Yahoo! Groups Links
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