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so did you test AC reaching the two power supplies with a multimeter?

there are two power supplies in there, the laser high voltage one for the tube and the 24V for the controller and motors. since neither is working i would start the troubleshooting by using...

yasser, no one can read your mind and your description is not nearly as detailed as you think.
is there a limit switch on those mahines? did limit switch got missaligned? wires got loose?

and...

bingo!

Justinyin, the question asked wasn't asking about any options, opinions or number of days. it is a yes/no question, which means the answer can be either "yes, we warranty spare tubes for X...

this will cut brass and copper: Laser Cutter | Amada America
big Watt and big $ for serious shop. at power levels required its not only the tube that matters. outside of budget for small shops i'm...

copper cannot be cut with these machines as it reflects the energy near perfectly.

you may want to consider making your thread titles more informative

fisrt of all let me say i understand the frustration, it took me quite some time to identify and fix the same very issue. but its possible.
since you say "when Y axis moves..." to me it sounds...

check your mirror alignment, laser should hit the very center of the laser head opening. otherwise as you see there will be a slant in the cut as the beam is not falling onto material at 90Deg.
1/8...

this is correct. or rather repeatable behavior on both chinese machines that i have. with settings below ~20% there is not enough energy to light up the discharge in the tube.
my lowest setting to...

i'm considering adding red dot to my machine, but i see that your offering is compatible both various machinery processing and medical treatment devices. don't you think its a kind of contradiction?...

its not the reboot, try wiggling the connectors - the quality of parts is such that the contact is intermitent . i didn't have ruida controller , but it seems it is quite common issue. after i find...

usable, pretty adequate for some jobs, yes. will make parts
but "awesome" or "very good" i'm afraid this machine is not going to be even with DSP.

while you at upgrading (or i would rather say...

Are you 100% sure it is the controller? i had similar thing happening (head stopping with laser full on burning a hole in work) with thunderlaser branded DSP and in my case it was problem that i was...

Leery about the upgrade cost is very understandable. less then helpful is seems to be the norm with these ebay guys (there are good exceptions though, i heard of them).

my first cutter was the...

the red machine has larger work area, ~700x500 if i'n not mistaken. vs. the SH-350 being ~500x300


by looking at the sticker on the tube - the ones advertized as "50W" will have a figure of 32...

squaring is not hard actually even if you don't have super precise machinist square. cut 2 square shapes, i suggest to mark their orientation to avoid confusion. by rotating them against each other...

Smell. depends on what you cut , acrylic that i mostly work with smells a lot. i know some just exhaust outside, but unless you are in your own industrial building your neighbours might still...

any acrylic sheet will be sufficient to block any scattered laser radiation from regular CO2 laser. any color (or colorless) of any thikness , as long as it is sturdy enough to hold the ocasional...

these don't come with 50mm lenses and i highly doubt you got a unique machine. at any rate i don't see how situation can change with different FL.
i did cut cardboard once (i mostly do acrylic) and...

yep, it is not a drift at all. it's a result of manufacturer that doesn't care about precision and doesn't bother to preform step calibration.
in my case the deviation was almost twice on both axis....

the only workaround i can think of is to make the text with all the Umlauts in word processor (like MS Word), screen capture and import into your design.
i don't use the laser software for any...

interesting. it looks like i'm getting nothing close as far as power from my 800mm tube compared to you guys. to cleanly cut 2.5mm acryl i use 12-14mm/sec at 75% power. for 6mm i use 8mm/sec and do...

Thanks for the reply V,
the behavior that you describe is exactly as i have it. but i don't see it as issue since i don't do design in the laser software. why not prepare your text in say MS Word ,...

true, we all have our financial constrains.
but if your goal is to have more precise machine then throwing servos on a K40 will not get you any closer to your goal. and changing the entire motion...

thats the thing, its not the motors only that create precision, its the entire motion system, play in belts, play in linear stages, backlashes, etc.
motion system of the small K40 is just incapable...

i don't mind answering.
the blower motor is actually at the very top and indeed exhausts outside. on the bottom i have a dedicated shelf for my tankless air assist compressor - that compartment is...

your construction looks really clean and well done. i see foam sealing strips on the edges, i assume motor to plate is also properly insulated. to me it seems very unlikely that you could have gotten...

i sure can share, but i think the pictures are quite self explanatory, no?
sizes were driven by my workshop space limitations - wider would have been better . after the pics were taken the only...

this probably needs to be in proper forum section for you to get more meaningfull replies.

i do own a storm500 as well for three weeks now and use the same very software as well. used PHCAD on my...

thanks guys, quite a good input here.
my attached 2 car garage shop is insulated, but unheated as of now since i still need to install ceiling drywall. to protect my lathe it is wiped with oily...