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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