Anilam 1100M Servo Bearings

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11 Jun 2021 17:25 - 11 Jun 2021 17:37 #211818 by BigJohnT
Well I built a voltage divider circuit based on this calculator and used a 33 ohm for R1 and a 560 ohm for R2. Without the resistors I get 9.0v across R2 I don't get the expected 8.5v instead I got 6.5v. Checking my resistors and the 33 ohm meters out at 30 ohms and all my strips of resistors are marked with the value... the 560 ohm resistor measured out at 126 ohms! Well so much for trusting that I had them marked correctly... going to see what I can find in my resistor box and try again.

Edit: oddly enough all the rest of the resistors in that strip measure around 560 ohms... go figure.

Edit: with a 560 and 30 ohm I get 7v not the 8.5v the calculator said I'd get...

JT
Last edit: 11 Jun 2021 17:37 by BigJohnT.

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11 Jun 2021 18:50 #211828 by BigJohnT
After doing some putzing around on the bench with 24v and 48v power supplies and measuring tacho voltages I plugged the new servo into the X axis drive and for some unknown reason it rotated a 1/4 turn in the minus direction and stopped so I dialed the MPG in the plus direction and then just started working fine in both directions... now to remember how to setup halscope.

JT
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11 Jun 2021 19:56 #211829 by tommylight
Nice.

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13 Jun 2021 19:56 #211965 by BigJohnT
X still faults out from time to time so I'm running an exercise program for the X axis until it runs all the way through a couple of times I'm not going to try and cut anything.

JT

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13 Jun 2021 22:50 #211975 by BigJohnT
I finally figured out what the issue is, one of the armature wires was rubbing on the encoder coupling. Too bad it took out the Drive when if finally shorted enough to make a pop...

JT

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18 Jun 2021 22:55 #212365 by BigJohnT
Got the replacement drive in today and oh my it was covered with some fine sparkly stuff. I spent a couple of hours with a soft tooth brush and an artist brush cleaning that stuff off. I could not even setup the board until I cleaned it. Put it in and it runs like new!

JT
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