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My tiny laser engraver/paper cutter made from two DVD drive motors and a 445 nm 1 W laser diode (running at approx. 450 mW optical power) from a beamer controlled by Linuxcnc 2.5.2:...

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Hello Roman,

two of my motors are labelled "Japan Servo KH56KM2-851". When I press on the shaft, it moves by about 1,5 mm against spring-like resistance which pushes the shaft back out. The 3rd...

Hello watzmann,

Your body acts a a receiver for any stray AF (50 or 60 Hz power line frequency) and/or RF in the vicinity. Your finger conducts that hodge-podge of frequencies into the CLOCK...

Hi Roman,
thanks for your replies and for presenting your project(s) here.


I am using the old type and will have to go with thrust bearings.

Warm regards,

Fred

Thanks for your reply, Roman. I just learnt that while Nanotec does provide max. permissible axial load data, the respective data are missing from the NIDEC data sheets (I am planning to use a...

Hi RomanLini,

thanks for sharing your work!

In post#2 of this thread, you mentioned that you are relying on just the stepper motors' internal bearings, doing away with the concept of thrust ...