Where is 162VDC speed – torque graph for UMK245BA?

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Joined: Fri Mar 17, 2017 5:59 pm

Where is 162VDC speed – torque graph for UMK245BA?

Postby colemanlee » Sat Mar 18, 2017 5:00 am

In this link, "http://www.orientalmotor.com/technology/articles/article-speed-torque-curves-for-step-motors.html",
OM offical said:
For example, in the curves below, the speed –
torque curve for the CMK245APA/CMK245BPA indicates that 24VDC is applied to the motor windings, while the curve for the
UMK245BA was created with 162VDC being applied to the windings. As you can see, the torque at speed of the UMK245BA is held
out to a much higher speed.

But i can't find the 162VDC speed – torque graph for UMK245BA, where is it?
Orientalmotor, impressive!

Posts: 192
Joined: Tue May 10, 2016 4:48 pm

Re: Where is 162VDC speed – torque graph for UMK245BA?

Postby om_tech_support_JS » Mon Mar 20, 2017 7:43 am

Hi colemanlee,

It appears that the same graph was used in this post. Since this post was made, the UMK245BA package has been discontinued. However, you can still reference the speed torque curve of the UMK245BA package from the link below:
http://catalog.orientalmotor.com/image? ... ba_stc.jpg

The main purpose behind this comparison is to show that an AC input driver (which then converts that voltage to a higher DC BUS voltage) will be able to provide a higher value of pullout torque at higher speeds over the 24 VDC input stepper drivers.

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