Roland mdx-650a question

jlviloria wrote:

board's budget was USD 8000

USD$8000 !
That's ridiculous! I'll get another quote for you.

12,000 rpm is not enough for very small cutters in aluminium. 400W cannot cut aluminium with a cutter > 5mm dia

I guess not, but I will not cut aluminum, go for special plastic.

because you should know that the servomotors are not going to take much cutting, not even in plastic.

if it was ridiculous!! but this new machine costs USD38.500!! with that money get something more robust not you think?


I think jagger also has hall sensor, but that's not important, may or may not have, the important thing would be to define the driver for the jagger.

Here are the voltages to chassis:

Black +12V
Red +12V
Brown +12V

---

Brown +5V
Red 0V
Orange +5V
Yellow +5V
Green +5V

jlviloria wrote:

the important thing would be to define the driver for the jagger.

Explain some more about this please

andypugh wrote:

With a brushless motor you need Hall sensors to know which of the motor phases need to be energised to make the motor run.

Ok, so you can controll the speed and rotation this way.
Is +5V GND -5V the usual way to drive hall sensors?
What in your opinion Andy, are the questions I need to be asking Jaeger about their spindles? Such as
What method does the spindle use to contol speed (frequency)
and What is the frequency range required to govern your spindle
Sound right ???

Many thanks in advance

Andy,

I need help.
connecting my system (4 servomotors), but did not work.
I did the hardest disarm all and start over.

try to ride one just to see because they had worked and check the connection with one servomotor,

but now I have problems when I try to move the servomotor, sueve moves clockwise, and sometimes a touch touches servo axis for rotation and in the other direction also plays a touch servo axis, but rotates with vibration, probe all servomotors, test all drivers. and the same thing keeps happening.

the only thing different was putting on UTP cable to the hall sensor and encoder.

my question is:

that may be causing this?

pico-systems.com/acservo.html

www.shinano.com/motors/docs/LA052.pdf


understand, is that you have to rest!

I had worked well when I tried it with a single servomotor.

assemble the whole package (4 servo) motors energized but not move.

disarmament all, to see if he had a connection error.

turned to connect a single servo motor home, but now what I wrote about in the previous post.

in negative direction, moves well, sometimes you have to give a touch to the motor shaft to move


in positive direction, moves vibrated, sometimes does not move, you feel a buzz in the engine,

I changed the PID, up and down P, play with D but nothing's the same with all servomotors and all drivers.

test all sensor connections hall, and this was the one that moved,

there may be bad?

thanks