60w from Automation Technologies

[Brett Winston]

I'm not afraid to do something for nothing

From my Triumph just now--

Wood is a piece of 1/4" maple sitting under the machine-
Font is plain Arial
Speed=400mm/s, power on the light was 12% which just grazed it- I had to go over the bottom 3 lines a second time-- deeper cut done at 25% power
gap/res setting: .05mm (equates to 508 lines per inch)
Just used my 2" lens, could've maybe gotten a bit better with the 1.5"...

Thanks Kev - this is great! Which letters are 1.5mm high, the CAPS or the lowercase? This was done on your 80w triumph? I'm not familiar with that machine (but I'm still researching what's out there).

[Bert Kemp]

IMG_20160910_111458648 (Copy).jpg sorry bluury phone photo.....2 mm on baltic Birch top and bottom vector middle 3 raster
Rabbit 60 watt

[Brett Winston]

IMG_20160910_111458648 (Copy).jpg sorry bluury phone photo.....2 mm on baltic Birch top and bottom vector middle 3 raster
Rabbit 60 watt

Thanks Bert! Blurry yes, but the middle raster samples appear that they would be acceptable to me. What chinese equivalent is this model? I doubt I would want to take the chance to import one on my own but it's nice to be able to compare apples to apples.

[Kev Williams]

The CAPS are the size listed, so the lower case is pretty small--

In my software (LaserSoft/PHcad) are various settings, one set shown below, these are the "crafts parameters".
The ones I painstakingly took many hours fine tuning are the 'carving backlash' settings.
The settings shown are the defaults. My actual settings, for whatever reason, must be entered in negative numbers.
The faster the speed, the higher the negative numbers.

The first time I engraved anything, some 1/2" text @ 500mm/s, the right-left firing was over 1/4" away from the left-right firing!
When I started making the default (positive) numbers larger, it just got worse!

--The backlash settings fine tune the alignment of the left-to-right sweep laser firing to the right-to-left sweep firing.
I have different values from 100mm/s to 800mm/s in 50mm increments. Took me over a year of initial settings
and on-the-fly tweaking to get it to where it is now. I'm totally happy with the engraving, and I haven't had to touch the
settings for over a year.

I've always found it a bit odd that backlash settings are rarely if ever brought up on the board. I'm assuming that the other software
out there everyone else uses must have these settings dialed in pretty good in the defaults. My machine came across the pond
with all pieces intact and all mirrors perfectly aligned, but I had no choice but to figure out how to fix the radical offset problem!
backlashsettings.jpg

[Bert Kemp]

This is a Rabbit Laser purchased in Ohio from Rabbit Laser USA great machine good USA support
Oh and if you ask them for samples I'm pretty sure they won't charge you a 100 bucks

Thanks Bert! Blurry yes, but the middle raster samples appear that they would be acceptable to me. What chinese equivalent is this model? I doubt I would want to take the chance to import one on my own but it's nice to be able to compare apples to apples.

[Bert Kemp]

I engraved lower case they are legible with a magnifier I could not hold the camera steady enough to get a good picture.

[Brett Winston]

This is a Rabbit Laser purchased in Ohio from Rabbit Laser USA great machine good USA support
Oh and if you ask them for samples I'm pretty sure they won't charge you a 100 bucks

Unfortunately, the Rabbit didn't make the short list due to price. No doubt these are also imported machines, I was just curious how similar it was to the ones imported by AT or possibly even made by the same factory. It does appear that there are quite a few manufacturers over there though. Yea, $100 for a sample is a great way to put off a potential customer. I bend over backwards to win business. AT must be doing just fine if they are actually getting paid for samples.

[Jerome Stanek]

Bert 24 point is about 8.5 mm 3 point would be closer. 1 mm is just a little over 1/32 of an inch

[Bert Kemp]

Keith even if Kev came and tuned your machine it would most likely last for one job. Sure your alignment maybe be good for a while. But good tuning is clean lens, clean mirrors, level table, precise focus, correct speed and power settings for each job. You can't just tune it up and have it run all jobs perfect, its a constant working at all the above that makes the machine preform well.

I am continually impressed with your triumph Kev! Looks really good at 2mm. Question I have is how much would you charge to come tune in my Thunder machine like that

[Bert Kemp]

OK but the letters are 2mm in height, I wasn't real sure what the op wanted, size in height of point size . I'm thinking I can make any pt size as large or small as I want. But maybe not, back to the drawing board.

Bert 24 point is about 8.5 mm 3 point would be closer. 1 mm is just a little over 1/32 of an inch

[Brett Winston]

If I can replicate what is in the photo then I would be happy. The lower case letters measure approximately 1.75mm in height. Not sure what point size was used.

IMG_6515.JPG

[Bert Kemp]

My corel only goes to 6pt Attachment 3438406pt (Copy).jpg

[Tony Lenkic]

Bert,

If you enter text as point did you know that you can customize it to measure in inches or metric values?

[Dave Sheldrake]

It does appear that there are quite a few manufacturers over there though.

There are actually very few, most of the machines go out to other distributors / assemblers who build and name them for their own needs. Once you take into account the small number of controllers / belts / bearings / rails / motors etc etc the only real difference between Chinese machines is the cabinet quality and the way they look.

AT are nothing special, no different really to any other Shenhui distributor who has their own stickers put on machines.

[Bert Kemp]

not really familiar with text size vs pt size and all that, just that the op wanted 2mm text I assumed that was the size he wanted and thats what I made the height to be. I guess I have incorrect assumptions, because I can make any point text any size I want. I'm gonna back out of this conversation because I have no idea what I'm talking about. Sorry to the OP