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Maybe it is marked with a MOPA fiber laser，or just plain fiber laser. Though fiber laser wavelenght doesnt affect plexiglass, it may react with its colorant.
The laser heats up the pigment,...

Try aluminium. Spray paint it with spray paint all around to the back and side. And then mark it with laser. Low power. Just enough to remove paint chose one with your needed durability rating.
...

Get a galvo fiber. Or better still, a MOPA fiber. 20w is good enough. Almost no maintenance. Just keep lens and air filter clean. No consumables. No chiller. 500w power supply only, that is for the...

Does happen on plastics. Suspect ur plastic is vinyls. Increase speed and we usually apply soapy water on the plastic. The soot will float on the soapy water and easily wipeable. I think i learnt it...

0.005"=0.127mm with 20watt is easy. we regularly mark to 0.3mm deep on brass and stainless watch dials. that is 31-42mm diameter in about 10 minutes. we can mark through 0.5mm plate in 15 minutes. so...

Hi! Happened to me before. Maybe its because your laser beam kinda "kissed" the edge of the nozzle aperture, creating 2 slightly offset lines. Try removing nozzle and see if it goes away. if it does,...

Sorry. Let me correct...
Laser marking is excellent for deep marking very detailed and very high quality deep marking.
But it is very very very very slow.
=)

Haha... Ok, you may need enclosure. We mark all our products wearing special laser goggles (200usd) a pair. and we wear long sleeves uniforms, we wear gloves.
we have seen what 1064nm laser does to...

I have han's laser machines. cutting and marking. Han's is i think a very big laser integrator, if not the biggest in the world. it is the highest priced chinese machine, because of the support they...

Takes about a couple of hours to mark 0.3mm deep on stainless. abit faster on brass and i think infinitely long on aluminium with a 20w fiber laser on galvo head. You cant mark deep at all with a...

Hi All,
Greetings from Indonesia. I have a 1000w coherent fiber laser. it can cut very very small stuffs. We cut 1.5mm thick SUS304 for earring, pendants etc for our customers. we cut 0.5mm SUS430...

Hi guys,
We solved it! Turns out it is the lens that was loose. We did maintenance on the machine and cleaned the lens. Guess we forgot to retighten the screw holding the lens. We kinda got a...

The magnet is very good idea if your tape is metal. Usually the casing is plastic, but the tape is surely ferous metal. In case the body is plastic, get the nametag magnet: they come with 2 round...

Hi Dan,
Checked all those. Machine is rigid, belts are good. Mirrors set. Nothing loose and no strange noises during cutting; fast or slow. I am suspecting the laser. If it is near lifetime, could...

My tape measure has a strap. Could you just put 16 nails on a wood plank and hang them all? 30 minutes with a saw, measure and hammer. No programing needed. That is ofcourse assuming you attach this...

Hi guys, regarding 32 bit software on 64 bit wins 7... just make sure you run it in compatibility mode and make sure you run as administrator. You dont have to run virtual xp. We have 30 computers at...

Hi guys,
Havent been here for the longest time due to work. Just moved to another island in Indonesia to set up a laser cutting workshop using coherent highliht 1000fl fiber laser! But...

Sorry 1100 usd. Yeah. Are u serious about being 7.2 usd an hour??? I worked in the college library for 3usd an hour in 2003. Hahahaha.

Oh, one more thing, forget engraving on leather with 100watt tube. We only engrave on stones, marbles and 5mm acrylics and above. Something to do with min power setting. If i engrave on 3mm acrylic,...

Hi, just a penny from a chinese laser user... i use a 4 by 8 feet, 100watt laser. Bought it for 10k usd with extra tube from china. Cut leather for custom car seats about 2000 usd a pop, installed....

Over here in indonesia, i charge by the minute. At about 80cents per minute. That is the assumed laser running time. What i do is to get the length of the path i am cutting, then divide by a known...

my 80watt laser goes to bellow 1% and we see a difference even between .5% and 1% when engraving.
mine uses the wisdom board.

Cost me close to 4000 usd to get mine all the way from gz, china to my door. 10m3 of machinery. The machine only cost 9000 usd at the most. Crappy, eh? Yours is a bargain considering your labor cost...

I am using this primarily for acrylics and thin plywoods.

I have the 60x90cm machine to cut placards and small signages before printing them on my uv printer and somehow people kept asking me to...

My behemoth of the BS2513 laser is here all the way from China! It cuts all the way to 8x4 feet. And I have unpacked it, set it up and did my first run. Everything is A-OK and I sure is impressed by...