Re: [CAD_CAM_EDM_DRO] help--servos shaft stiff when unconnected

bluecoast1 wrote:

>Hi,
>
>I have three panasonic msm022a2ue 200W brushless servos I got from
>ebay. I find the shafts are very stiff. They have bearings only (no
>oil seals or brake). Is this normal?
>
>

No, not normal. Are you absolutely sure they don't have a power-off
brake? How stiff? Is there a short on the motor connector?

Jon