Adapting Neje R5 Rotary for use on CO2 Laser

1

Hi,

I have the R5 rotary with the 5 pin connector. I was wondering how I could rewire or adapt to a 4 wire aviation plug to connect the R5 to my C02 china blue machine. It might not be possible since CO2 has ruida controller vs gcode for the Neje.

I was thinking of by-passing the Neje motor control board and connect to 4-pin connector on stepper motor directly to the 4-pin aviation plug on Co2 laser Y axis. Can someone provide the wiring diagram for the 4-pin connector to the stepper motor??

Can Jack Wong provide any help?

Thanks

3

Wait a minute. The document is being written for you.

4

The documentation is already done, this link may help you
https://wiki.neje99.com/en/general/stepper-motor

5

Thanks, do you have any specifications for step length, etc for the R5 stepper motor??

Thanks again.

Regards,
John Casagrande

6

This may help you
https://wiki.neje99.com/en/manual/rotary

7

Jack,
Thanks, my CO2 laser is a Ruida and the document appears aimed at G-code controllers. Can I assume the step length is 3200/360 = 8.888889 degrees??

Regards,
John Casagrande

8

I don’t know the Ruida controller, so I may not be able to give you very precise help, so my suggestions below may contain errors.
The value of 3200 may be different on different devices. The meaning of this value is the number of pulses required by the controller to control the stepper motor controller to rotate one circle. This value should be a multiple of 3200 or 1600, 800, 400 (depending on the subdivision of your stepper motor controller).

9

Jack,

Wired up R5 to the CO2 Y axis and got rotational movement however the motor got hot and some of the small gauge wire’s insulation melted.

The current settings on Y driver were for 3.2 amps , using dip switches I can lower to 1.4 amps.

Does this seem reasonable to you or ?? What is amp rating of the Nema17 on the R5?
Thanks

10

You did the right thing, man.
3.2 amps is too much for R5, 1.4A is a good value, if you find the stepper motor is still hot (70℃), it is a good idea to try to reduce it to 1A.

11

If I have damaged the stepper motor, can NEJE sell me a replacement? Can you provide me the part number and manufacturer so I could purchase one if NEJE can’t provide a replacement??

Thanks

Regards,
John Casagrande

12

You can get replacement parts here, generally speaking stepper motors are not prone to damage unless they get too hot (up to 120°C)

13

Jack,

There is not enough information for the 3 stepper motors listed on NEJE.shop to allow one to determine what size or specifications the motors are. Only info is the size of the laser frame that the motors are for, nothing listed for the R5???

Any specs for R5 nema17 available from NEJE??

Regards,
John Casagrande

14

42mm motor * 34mm, this link will work

15

Thanks

Regards,
John Casagrande