Page 5 of 14 FirstFirst 123456789 ... LastLast
Results 41 to 50 of 136

Thread: Some gears and testing for laser-ablating and -marking ...

  1. #41
    Join Date
    Oct 2012
    Location
    Germany
    Posts
    1,050

    Default

    Hi David,

    Quote Originally Posted by dkumpula View Post
    More impressive etches and cuts, Viktor. How long are the tags and such taking to cut/etch? Is the cost/effort a viable manufacturing method if scaled up (as compared with molds or stamping) or is it just for fun?
    ... it's mostly for testing ... and for fun too

    The marking+cutting of the "Vitruvian man" needs some minutes per tag - with the 20Watt-laser more (more "cuts" needed), with the 60Watt-laser less ...


    So do you plan on repairing the fiber or is it cheaper to replace the unit?
    ... have enough of the 25W-diodes and even some with 30 Watts, so not meant to replace the fiber ... but could be different in future, so stored it away ...


    Keep up the great work!
    ... tanks! - will tinkering and "playing" with all sorts of lasers (and other tools) for some more time -- it's half/half hobby and job-related

    Viktor

  2. #42
    Join Date
    Oct 2012
    Location
    Germany
    Posts
    1,050

    Default

    ... to try out the 60Watt fiber laser -- here's another video of the engraving of the "Aztec Codex" center part on a white 100x100mm tile without pre-coating:

    https://vimeo.com/232228864


    - when engraving (recorded through a laser protection window):

    Click image for larger version. 

Name:	engraving.jpg 
Views:	7 
Size:	361.4 KB 
ID:	52812


    - and done (still with the dust on it):

    Click image for larger version. 

Name:	ready.jpg 
Views:	6 
Size:	352.7 KB 
ID:	52811

    Viktor

  3. #43
    Join Date
    Oct 2012
    Location
    Germany
    Posts
    1,050

    Default

    ... Christmas is coming! - the first job is a "personal" snow-flake for a friend -- the final parts will be made from 0.2mm brass sheets ... here a "prototype" made with 0.1mm thick steel:

    Click image for larger version. 

Name:	WB-Schneeflocke-66_2.jpg 
Views:	10 
Size:	499.3 KB 
ID:	53031

    Viktor

  4. #44
    Join Date
    Feb 2007
    Location
    Fort Mill, SC USA
    Posts
    1,409

    Default

    Wow, that's some beautifully detailed work!
    "Help, help, I'm being repressed!"

  5. #45
    Join Date
    Oct 2012
    Location
    Germany
    Posts
    1,050

    Default

    ... I had to do some doodling - this was the original photo:

    Click image for larger version. 

Name:	257px-StWendelBasilika-1.jpg 
Views:	62 
Size:	52.4 KB 
ID:	53036

    Viktor

  6. #46
    Join Date
    Oct 2012
    Location
    Germany
    Posts
    1,050

    Default

    ... the common used XY-galvo-scanners have dielectric coated mirrors for the specific wavelength - but for testing with different types of lasers (fiber-lasers with 1064/1070nm and diodes with 975nm or 445nm) I've ordered another with silver-coated mirrors:

    Click image for larger version. 

Name:	GT-Scanner-1.jpg 
Views:	6 
Size:	378.2 KB 
ID:	53075

    It's mainly meant for soldering-tests without f-theta optics ... but let's see, what's possible (ordered another f-theta objective too).

    Viktor

  7. #47
    Join Date
    Oct 2012
    Location
    Germany
    Posts
    1,050

    Default

    ... actually busy to get another fiberlaser marker/engraver ready for an exhibition next week in Munich - it's smaller than the first 20Watt-marker -- and has a 20Watt-fiberlaser with variable pulse width (short pulse times down to 1ns!) ... and can produce "real colors":

    Click image for larger version. 

Name:	Test#1 - Edelstahl farbig markieren.jpg 
Views:	12 
Size:	319.4 KB 
ID:	53151

    Viktor

  8. #48
    Join Date
    Oct 2012
    Location
    Germany
    Posts
    1,050

    Default

    ... and here the first two "snow-flakes" in brass:

    Click image for larger version. 

Name:	WB-Messing02.jpg 
Views:	7 
Size:	662.1 KB 
ID:	53162

    Viktor

  9. #49
    Join Date
    Oct 2012
    Location
    Germany
    Posts
    1,050

    Default

    ... modified a fretwork-design for fast "laser-cutting" with the 20W-marking laser:

    Click image for larger version. 

Name:	Elch2-VD.jpg 
Views:	4 
Size:	323.0 KB 
ID:	53263


    The snowflakes and this elk are "give-aways", I'm engraving+cutting for a friend ...

    Viktor

  10. #50
    Join Date
    Oct 2012
    Location
    Germany
    Posts
    1,050

    Default

    ... good for people with little storage place - a miniature flying buttress

    Click image for larger version. 

Name:	Frauenkirche-mini-1.jpg 
Views:	2 
Size:	468.1 KB 
ID:	53304 Click image for larger version. 

Name:	Frauenkirche-mini-2.jpg 
Views:	2 
Size:	513.4 KB 
ID:	53303 Click image for larger version. 

Name:	Frauenkirche-mini-3.jpg 
Views:	7 
Size:	533.7 KB 
ID:	53302

    Viktor

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •