Back, back forth and forth

by Ivan Hamilton 4/25/2008 12:31:00 AM

Having completed my machining exercise, I fitted the rotary encoder to the motor and had a play.

First thing was to check the encoder even produced any output (I could have broken it). I added 5V and plugged A & B into the CRO. Two lines at 0V... not good. I touched the shaft, and the lines wobbled. Yippee! So I powered the motor via an adjustable supply, to see what it looks like when running.

Things learned:
* My 36V motor will turn with just 0.5V applied (that's cool)
* At very slow speed with no load, the motor has some serious cogging

Next... plug it into my servo controller.

Currently rated 3.5 by 2 people

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Tags:

Electronics | Mechanics | CNC

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Comments

7/17/2008 9:49:14 PM

Good day Ivan

I am beseech my poor English so, I attend your video
DIY DC Motor with Optical Encoder and Brushed DC Motor hard cogging
I awe about my project of CNC because the “cogging” in very low speed.
The drive of Gecko Drives G340 prevent this cogging
a very high encoder like 4000 PPR could prevent or
exacerbate the cogging.
For your best answer I include some information:

Motor: Baldor CDP3335 90VDC 2500RPM
Drive: Gecko Drive G340
Ball Screw: 600 mmX25mm lead 5mm.

Best regards

Marcos Seco
Sao Paulo – Brazil
(very good video thanks very much)

Marcos Seco

12/22/2009 11:58:33 AM

Hey You have a real good website. Rough posts too. Thanks!
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Alicia Girone

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