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Thread: Laserworld LW-50K Galvo set

  1. #1
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    Default Laserworld LW-50K Galvo set



    Laserworld LW-50K Galvo set. Review




    Technical data:
    • Deflection angle: max. 60° optical
    • Scan speed: up to 45.000 pps with 5x11x0.6 mirrors.
    • Input: analog +/- 5V
    • LW-45K PSU: +/- 24V DC 1 Amp



    Whats included in the box :
    2 x Scanners
    2 x Replacement mirrors
    2 x Driver board
    1 x Scanner mount
    1 x power supply (PSU). (Sold separately.)
    2 x Cables driver to scanner
    2 x Cables driver to PSU/input signals
    6 Terminal lugs to connect the cables to the PSU
    1 x User manual







    These Galvo’s where shipped with the 5x11x0.6 mirrors.
    These should give a max scanning speed of 45 k @ 5 degrees.
    Only the 4.5x10.0.5 mirrors should enable the scanners the reach there max speeds of 50kpps at 5 degrees.
    But we wil test this further into the review.

    First impressions Drivers:



    The first thing that caught my eye is the high quality look of the drivers.
    I’ve seen and owned several Chinese build galvo kits.
    And most have fairly cheap looking drivers and connectors.
    This of course does not say anything about speed.
    But is does say something about quality and attention to details but also price.
    Personally I think the db9 connectors on the drivers and galvo’s are great.
    There easy to connect and the cant come loose accidently when rewiring the projector.
    Also the drivers are mounted on decent size heat sinks.
    Most of the china build galvo drivers don’t come with heat sinks at all.
    And they do really need good heat sinking.
    Not only because of cooling issues.
    But also because heat influences the scanners performance.
    So I consider the heat sinks on these drivers as a big plus.
    I’ve only seen proper heat sinks on high end Cti scanner amps in the past.
    Also both of the drivers have there own safety fuse in case the current draw gets to high.
    And it wil disconnect power to the driver and galvo’s.



    First impressions Galvo’s:






    Can’t really say a lot about these.
    The look like your generic style galvo’s
    The have the db9 connectors on board for easy and fast connecting to the driver.
    These galvo’s are outfitted with the standard 5x11x0.6 mirrors
    These mirrors have a efficiently of 98 %.
    This was not noted in the specifications but was measured using my coherent laser check and
    Using my 100 mw 532 nm Cni test laser I’ve only lost about 5-6 mw of power after all the mirrors.
    So that’s pretty good.
    The mirrors fitted to these galvo’s are broadband mirrors.
    These are coated for a range of between 400 nm -700 nm.
    So any visible light laser should work fine with these mirrors with minor losses.

    Another big bonus is that the set is send with extra mirrors.
    The small fragile mirrors break pretty easily when you’re not careful.
    Also mirror damage can occur when there not properly cleaned or cared for.
    But my advice would be to don’t touch them except if u really need to for some reason.
    So an extra set is always handy to have around.




    The galvo mounting block has a steady and heavy feel to it
    Ofcourse this is exactly what we want.
    The mount allows for more then enouch adjustments to be made.
    And can be screwed to the base plate with 3 screws that are already provided and screwed into the base of the mount.

    Speed table for the 5x11x0.6 mirrors.
    30 Degrees 17-19 kpps
    15 Degrees 25-27 kpps
    5 Degrees 37-45 kpps




    Now for the important part

    I’ll let the pictures do all the talking.
    In most of the pictures u will see the ilda pattern.
    Since this is still seen as one of the industries standard test frames for turning scanners.
    But I’ll try to keep u awake with some other frames to


    20 Degrees @ 25 kpps



    15 degrees 30kpps




    15 Degrees @ 30 kpps



    5 Degrees 40kpps
    Stil very nice clean lines no round edges et etc




    8 Degrees 35k







    Scanners in action 30k@20 degrees running on mamba

    http://www.youtube.com/watch?v=NMzDOAKX2_M




    Even though these scanners where not yet factory tuned at a specific speed.
    It seems the perform very well at all speeds and scan angles.
    There are no obvious over or undershoots in the scanned output.
    All the lines are perfectly aligned at all speeds and scan angles.
    No distortions or over or undershoots are seen when running the scanners on their rated output and scan angles.

    Also at 40kpps the scanners and drivers become warm.
    But the highest temp I recorded was about 35 degrees.
    And this was at 21 degrees room temperature running the amps and galvos for 30 minutes.

    In most cases a new set of scanner might require some fine tuning to get everything looking just fine.
    For more info regarding Scanner / Galvo tuning see

    http://www.photonlexicon.com/forums/showthread.php?t=3707
    And
    http://www.laserfx.com/Backstage.LaserFX.com/Systems/Scanning1.html

    Both are excellent guide for tuning your scanners and understanding how they actually work.

    Conclusion:

    So in conclusion.
    These scanners seem to do a great job.
    The price is good for what u are getting.
    Scanner performance is as advertised with the 5x11x0.6 mirrors installed.
    The drivers are high quality and have a proper heat sink.
    The extra mirrors are a big bonus for those among us that may be a bit clumsy.
    So overall I can recommend this set to anybody.
    And it can compete just fine with the other top performers like the dt40 en dt25 pro set.


    Small note :
    Just before testing these my own galvo's and dac died because of a lightning strike .
    So i had to borrow a dac and laser to do this review with.

    When a new dac and galvo's arrive ill post a comparison between the 2

    Rip 30k scan set
    Rip Easylas
    Rip 100 mw cni green

    For more info and pricing please contact.

    Peter Mayer
    pm@laserworld.com
    +49 (0)741/174899-13

    http://www.laserworld.com/


    Laserworld (Switzerland) AG
    Rheinblick Residenz - Oberstr. 1
    8274 Tägerwilen / Schweiz
    Last edited by ledfreak3d; 06-04-2009 at 13:16.
    Do not look into laser with remaining eye
    Need laser repair contact me !!!!!!

  2. #2
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    Default

    Ich gehe mal davon aus das jemand gezielt Werbung macht.

    Keine Angaben zur Testsoftware usw.
    Bisher waren mir keine Testergebnisse >35K bekannt ,eher real <30K

    Man beachte die Linienstärken zu den Winkelangaben.
    Da passen die Reliationen nicht.

    Ebenso sind sind in dem Werbevideo für Laserworld die Frames so am Flimmern als seinen sie mit 10 K gescannt.

    Sehr fragwürdig sowieso , ob bei den Frames oder dem Video andere Scanner im Einsatz waren.


    lg
    Gento
    Last edited by Gento; 04-09-2009 at 14:28.

  3. #3
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    Holy crap, a lightning strike wiped it all out?!?!

    If you have'nt got rid of the Easylase, how much would you want to sell it for?

    Sorry about all the gear, but nice review otherwise

    Cheers,
    Dan

  4. #4
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    Default

    I think these scanners are the best quality thing LaserWorld sells. I love the set I have even though I do not have a DAC anymore.
    CLICKY!!!

    Admin: In the immortal words of Captain Planet: YOU HAVE THE POWER
    Admin: (To quit being a bitch)

  5. #5
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    Question

    Quote Originally Posted by ledfreak3d View Post
    I’ll let the pictures do all the talking. In most of the pictures u will see the ilda pattern.
    Since this is still seen as one of the industries standard test frames for turning scanners.
    But I’ll try to keep u awake with some other frames to

    5 Degrees 45kpps




    At 40k 8 Degrees



    Correct me if I am wrong; that test pattern don't look right to me... 40k at 8 degrees and that circle should be nice and cozy with the inside of that small box... right?
    Last edited by allthatwhichis; 04-09-2009 at 20:24.
    Love, peace, and grease,

    allthat... aka: aaron@pangolin

  6. #6
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    Quote Originally Posted by allthatwhichis View Post
    Correct me if I am wrong; that test pattern don't look right to me... 40k at 8 degrees and that circle should be nice and cozy with the inside of that small box... right?
    true but in this case it just means the can go faster.
    and ofcourse the where not tuned yet to a specific speed
    Do not look into laser with remaining eye
    Need laser repair contact me !!!!!!

  7. #7
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    Quote Originally Posted by Gento View Post
    Ich gehe mal davon aus das jemand gezielt Werbung macht.

    Keine Angaben zur Testsoftware usw.
    Bisher waren mir keine Testergebnisse >35K bekannt ,eher real <30K

    Man beachte die Linienstärken zu den Winkelangaben.
    Da passen die Reliationen nicht.

    Ebenso sind sind in dem Werbevideo für Laserworld die Frames so am Flimmern als seinen sie mit 10 K gescannt.

    Sehr fragwürdig sowieso , ob bei den Frames oder dem Video andere Scanner im Einsatz waren.


    lg
    Gento
    hi gento

    in the video it just looks like the slow but its actualy the camera causing that in real life there flicker free
    Do not look into laser with remaining eye
    Need laser repair contact me !!!!!!

  8. #8
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    Smile

    Wo wohnst Du genau Ledfreak ?
    Ich komme mal gerne mit Pangolin zum Testen vorbei.
    Das sind mir 2 Stunden Autofahrt wert.

    Gento

    <Trans>
    Where do you live exactly Ledfreak?
    I go past sometimes with pleasure by Pangolin to the testing.
    This are worth to me 2 hours of drive.
    Last edited by Gento; 04-10-2009 at 00:06.

  9. #9
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    Quote Originally Posted by Gento View Post
    Wo wohnst Du genau Ledfreak ?
    Ich komme mal gerne mit Pangolin zum Testen vorbei.
    Das sind mir 2 Stunden Autofahrt wert.

    Gento

    <Trans>
    Where do you live exactly Ledfreak?
    I go past sometimes with pleasure by Pangolin to the testing.
    This are worth to me 2 hours of drive.
    Hi Gento

    U can come and test them any time no problem at all.
    u should be able to drive that in about 2 hours from germany to the netherlands

    Btw no translation needed can read german just fine just cant write it
    Do not look into laser with remaining eye
    Need laser repair contact me !!!!!!

  10. #10
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    Hi Ledfreak

    Everyone here knows i luvvvvvv these scanners .... its just the companies attitude and marketing exploits that pull my chain

    if only ....... we could find out the chinese manufacturer of these ... i bet dave could shift a few sets .... im guessing they have an exclusive deal with laserworld though ... yep they oooze quality and mine pissed 30k straight out of the box ..... im a bit unsure about running them above ( just my personal feeling ) as the drivers and galvos are based on the world standard Cambridge 6800s and they were built to do 30k ... so without knowing what improvements have been made ( if any ) on the 6800 spec i personaly would not push them faster


    all the best ... Karl

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