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Per advice of Rutex I'm using E5D, it cost more than E5 but is more immune to noise.

Johnd, I am doing the same. Let me know if you need what kind of encoder to use and how to mount it

You guys really deserve recognition for making people understand in layman terms the meaning of servo system. And that includes me. Thanks.

George you're so knowledgeable on Bridgeports, I feel encouraged to begin exploring the tool changer again. I gave up on it. The computer seems to recognize the carousel up to 12th or the 13th slot,...

Thanks I----EPP,
I waited for your confirmation, now I hope USdigital will accept these for return.

" Precision Motion Control Where Every Step Is As Sure As Gecko Sticks"

I have now the R90H drives. Decided on the 200 volt/40 amp drives because according to the people who knows running R990H on over 90 vdc have only 10% margin of getting ruined from overvoltage.
...

Hi Tom, Your explanation about capacitance and shunt resistor to monitor amperage is worthwhile expounding in the thread. It could be beneficial to all who are learning electricians.

Already requested change of order from R990H to R90H . I hope guys processing my order will get the message in time.

If its aircraft gen; my dad made an engine driven welding generator from that. It works a very professional result. But be sure you have correct pulley ratio and engine governor has to be pretty well...

So does this mean there will be no problem with drive faulting due to motor deceleration even if my power supply voltage is 100 vdc. Thanks for the help.

The existing power supply of my 1980 Kasuga cnc milling machine is 100 volt dc. It is servo driven(West amp drive). What would be the recommended Voltage if R990H is used.

My existing milling cnc machine is 100 volt DC for the servos. If I use a 100 volt Rutex drive then what is the recommended voltage to use. The way I see is that using the same power supply will...

Thank you Jon P
I was able to buy for all 3 tachs from local supplier here in LA. One motor has now new brushes and have decided to replace the rest because they are quite short.
Will...

Al the Man,

Thanks for the tips Al. Yes you're right not the encoder. My tach commutator are worn and the brushes of motor and tach are too short. I hope will be able to find these...

Hi Guys,

My Bridgeport BTC 1 cnc milling machine have worn servo brushes for both motor and encoder. The Z axis bound up as it went wiggling past the home limit; this could maybe due to worn...