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To cut deeper, the power has to be high about 70% and speed considerably lower than for engraving.

Hello guys, my chinese laser cnc had been faulty and i would like to replace the laser power supply and the tube (40w, 700mm). My confusion is the connections to the new power supply. The first image...

Hello herby,

Do i have to break the cathode connection to measure that?? If i connect one end of the meter to the black/blue cable where does the other end of the meter go??

Can i use a clamp...

Hello all.

My laser machine started arcing when its engraving. I observed it was arcing at the power supply unit especially when i press the test fire button and the power is set above 50%. I have...

Hello all,

I too bought a chinese 3040 cnc this month, i spent a lot of time trying to figure out how to get it working, cause the documentation is hardly readable and parts of it is written in...

Hello all,

I too bought a chinese 3040 cnc this month, i spent a lot of time trying to figure out how to get it working, cause the documentation is hardly readable and parts of it is written in...

Hi drew,

i just bought this chinese 3040 cnc too. i have set it up with emc2 however i cant figure out how to set the spindle. Mine came with a VFD spindle, when i set the spindle in stepconf so i...

Does this mean that the feed rate depends on number of start of the threaded rod?? I mean more starts result in more speed?? I havent seen any threaded rod having more than one start here. If am...

Hi louieatienza,

How can one achieve more speed up to 3000mm/min?? Does it have to do with the lead thread or what??

Thanks

Hi Ktchk,

i inspected the Gcode and i think its working, so i have to zero at about 1.5mm above the work. I did cut a 3d on wood and it was almost through but my tool burnt:mad: i have to get a...

Sorry here is the pic of the machine and the sheet it cut

Hello ktchk,

I tried your settings, it took me long to reply cause i had small issues i needed to sort in the machine. Its home built, and i cant find parts readily here am in Nigeria.
When i...

Hi
Could you tell me the settings u used on the image to gcode in emc2?? i have tried twice and all it does is to draw lines. Do i have to convert the image to bump maps first before feeding it to...