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tommylight wrote:

Where are you getting the info?
No DC side relays nor switches!!!
Never switch the DC side, unless you're in the solar panel business.
 

Hi tommylight,

I apologise, I rechecked the diagram (or rather picture) I drew before posting the question, I have the miniature circuit breaker between the input AC power outlet and the Mean-Well MDR-100-24 PSU... My question was completely wrong.

I learned above circuit breakers via the articles below, and other YouTube videos:

Choosing the Right Circuit Breaker for Your Electrical Needs

Main Difference between Fuse and Circuit Breaker

Tripping Curves of Circuit Breakers – B, C, D, K and Z Trip Curve

(These articles and the videos have nothing to do with my bad question.)

Can you please help me selecting the right circuit breaker to use with the Mean-Well MDR-100-24 PSU, in term of Current Rating and the Voltage Rating?

-- I understand that since this AC, and the Australian voltage rating is 240V, so it should be 240V?

Thank you and best regards,

...behai.

 

Anyone running Flex on a machine yet?

I all the sudden had a need for a small laser cutter and just happened to have a small Pick-N-Place machine I built like a year and a half ago. I couldn't really get LinuxCNC and OpenPnP to play nice together at the time so the PnP has been collecting dust since......

Now that wannabe Pick-N-Place is a universal Pick-N-Place / Diode laser. Needed a GUI for it so I repurposed the other Flex GUI I was working on specifically for the laser. I've been more worried about making it functional than super pretty but it's certainly doing the job.

Thanks again to JT for making things easy for us code handicapped folks

 

 

thanks for the hint!

that would be basically that what is done at that step (in homing.c in comp file from your link i did not find that part yet)?


BR
Dominik
edit (april10th): that got me a big step further, but besideds mapping pos_fb to pos_cmd (which worked for most of the sequence), i also had to change the ferror_limit in some steps as there may be abrupt changes due to position-values reset to home or zero  position.

not yet finished but i think i can solve it that way -> thanks again

Hello,
I'm a bit new to 4-axis machining and I've been machining features on axles. These axles were mounted on the A-axis. Fine.
But now I've clamped my ER32 collet block at 90° to the A-axis, with the nut facing upwards to secure my stock.
But I can't know his exact position until I lock it in the ER32 block because it moves downward when I tighten it. So I have to probe it.
I then need to use this measured value to set the part's origin in the CAD software to create the milling path. This is tedious and must be repeated every time I place a stock in the ER32 block.
Is there a way to avoid having to generate the program from the measured value?

jenkinson8 post=325911 userid=42861Teraz som späť doma. Príkaz, ktorý hľadáte, je:

[code]pip3 install tftpy --break-system-packages

Then rerun the upload_config.py command again.
 
 Its okay. Thanks

[/code]

timo wrote:

A not properly crimped plug or semitight srew termnial might cause a problem as well?
 

Yes.

timo wrote:

Or does the damage only occur when all four wires are disconnected at same time?
 

Any motor wire.

timo wrote:

I would guess the system does not know if I did it or it just happened.
 

What system? The drive will know, motors are inductors and disconnecting powered inductors cause huge spikes that very often end in dead equipment.

i just measured the bearing OD and the housing bore diameter, and the housing is a good .002 larger than the bearing OD. the shaft is either pressed into the ID or it got that way when it broke? the bearing feels like it is spinning just fine so i don't think the bearing was the root cause. the break was right at the shoulder where the bearing would ride and seat on the shaft. no wave washer on the front side and it does not feel like it has one on the other end either.

OP - That's a nice harmonic drive you've got there, especially with the big through-bore.

If you still need some mounting inspiration, Andy Pugh did a fantastic job of documenting his 4th axis build based on similar reducer.