[Noisebridge-discuss] Moar Laser Cutter Infos

Mitch Altman maltman23 at hotmail.com
Sat Nov 14 02:02:43 UTC 2015 

I got the translation! 


你好，

我有一台你们的MLE-40全谱激光机。现在我需要另外买2种配件，可以吗？
1. 电源并联到USB控制板1块（全新的）
2. 主电源母板1块（全新的）
如果邮寄到北京，总价格是多少？

谢谢，
Mitch
mitch at CornfieldElectronics.com 


I'll send it to them now from their contact page.  I'll keep you posted. 

Best, 
Mitch. 


From: maltman23 at hotmail.com
To: organic_unity at yahoo.com; scotty at scottyallen.com
CC: noisebridge-discuss at lists.noisebridge.net
Subject: RE: [Noisebridge-discuss] Moar Laser Cutter Infos
Date: Fri, 13 Nov 2015 11:26:20 -0800




I'll post about this to the large WeChat group of expats in Shenzhen, and see if anyone can translate that for us. 

Mitch. 

> Date: Fri, 13 Nov 2015 17:37:32 +0000
> From: organic_unity at yahoo.com
> To: maltman23 at hotmail.com; scotty at scottyallen.com
> CC: noisebridge-discuss at lists.noisebridge.net
> Subject: Re: [Noisebridge-discuss] Moar Laser Cutter Infos
> 
> Awesome.  If someone could translate a message to their contact info here:
> http://www.jnmydy.com/comcontent_detail/&i=7&comContentId=7.html
> 
> that would be awesome.  A translation of something like:
> 
> "Hi,
>    I am an owner of your MLE-40 Full Spectrum Laser and I need some replacement parts.  Could I order from you a new power Parallel to USB controller PCB and / or a new main power motherboard PCB?  What would be the cost?  I am located in [your location], china."
> 
> As they are the original manufacturer an order from them should be substantially cheaper than the US reseller.
> 
> -Zach
> --------------------------------------------
> On Fri, 11/13/15, Scotty Allen <scotty at scottyallen.com> wrote:
> 
>  Subject: Re: [Noisebridge-discuss] Moar Laser Cutter Infos
>  To: "Mitch Altman" <maltman23 at hotmail.com>
>  Cc: "NoiseBridge Discuss" <noisebridge-discuss at lists.noisebridge.net>
>  Date: Friday, November 13, 2015, 4:02 AM
>  
>  I'm also happy to
>  help on the China end of things, if it's useful.
>  I'm currently in Shenzhen, and will be here
>  at least 2 more weeks.
>  Holler if there's
>  a way I can be useful.
>  
>  -Scotty
>  
>  On
>  Fri, Nov 13, 2015 at 5:15 AM, Mitch Altman <maltman23 at hotmail.com>
>  wrote:
>  > Hi Zach,
>  >
>  >
>  > I hope you can fix
>  it!
>  >
>  >
>  > The jnmydy website says they are in Jinan,
>  which I won't be able to get to while in China.  But,
>  if you can contact someone there, you can have them mail the
>  boards to me in Beijing.  I can bring them home with me or,
>  since I won't be home till the end of January, I ship
>  them from China, where shipping is really cheap.  I can
>  also pay them directly in Chinese RMB from China (everyone
>  there uses an app called WeChat, which I also have, which
>  can do pretty much *every*thing, including send
>  payments).
>  >
>  >
>  > If the language barrier is a problem, I
>  know Chinese people who can help.
>  >
>  >
>  > Best,
>  >
>  > Mitch.
>  >
>  >
>  >
>  >
>  ________________________________
>  >>
>  From: organicunity at hotmail.com
>  >> To: noisebridge-discuss at lists.noisebridge.net
>  >> Date: Thu, 12 Nov 2015 20:47:04
>  +0000
>  >> Subject: Re:
>  [Noisebridge-discuss] Moar Laser Cutter Infos
>  >>
>  >>
>  >> Wow, that's some super useful info
>  Danukeru! Good thing we discussed
>  >>
>  this on this list so you came across the thread.
>  >>
>  >> Mitch, if you
>  are going to China why not just ask about the parts we
>  >> need from the company based there?
>  Their website is actually printed
>  >>
>  on the PCBs inside the Laser Cutter: http://www.jnmydy.com/
>  >>
>  >> http://s18.photobucket.com/user/Segasonicfan/media/NB%20Hardware%20Class/20151015_225704_zps2heogqs2.jpg.html?sort=3&o=1
>  >>
>  >> If you get
>  the PCBs direct from them I bet it will be much, much
>  >> cheaper. I sent them an email in
>  English (on their English website
>  >>
>  version) but received no reply yet. Perhaps someone can
>  translate?
>  >>
>  >>
>  and again, let me try and fix the main power PCB before we
>  make any
>  >> decisions on buying a new
>  one (unless someone has money to burn!). It
>  >> would be a super huge waste and would
>  be like replacing an entire car
>  >>
>  when you just need a new battery and wheels.
>  >>
>  >> -Zach
>  >>
>  >>
>  >> ________________________________
>  >> From: noisebridge-discuss-bounces at lists.noisebridge.net
>  >> <noisebridge-discuss-bounces at lists.noisebridge.net>
>  on behalf of
>  >> Danukeru
>  <danukasan+nb at gmail.com>
>  >> Sent: Thursday, November 12, 2015
>  12:53 AM
>  >> To: Zachary Morriss
>  >> Cc: noisebridge-discuss
>  >> Subject: Re: [Noisebridge-discuss]
>  Moar Laser Cutter Infos
>  >>
>  >> Reading the manual for the laser
>  cutter reveals that we could already
>  >> drive the laser cutter now with a copy
>  of EMC2.
>  >>
>  >>
>  We have a custom toolchain built around EMC2 for our hobby
>  CNC at
>  >> foulab, so I can tell you
>  pretty certainly that your standard LPT-USB
>  >> board/cable will not work due to
>  buffering of the pin state that their
>  >> controller board most certainly
>  does.
>  >>
>  >> EMC2
>  is a GCODE interpreter that drives an analog controller over
>  LPT
>  >> directly.
>  >>
>  >> EMC2 takes
>  advantage of the LPT port to make sure that the timing is
>  as
>  >> accurate as possible because
>  there is very little feedback from the
>  >> steppers themselves. You generally
>  need a real-time linux kernel for
>  >>
>  the best results for this reason. Our CNC runs on an old
>  ubuntu with
>  >> such a kernel.
>  >>
>  >> Due to USB
>  being much faster, packetizatioin, driving voltage
>  levels,
>  >> no guarantee on command
>  order, etc, there is no assurances on timing on
>  >> the LPT pins with a cheap adapter.
>  You'll most likely have cumulative
>  >> errors/jumps/ etc on actual long runs
>  .
>  >>
>  >> The LPT
>  board in the cutter itself is very dumb and relies entirely
>  on
>  >> what is driving it. It's
>  literally a bunch of shift registers bitbanged
>  >> over the LPT by either EMC2 or the USB
>  controller in this case.
>  >>
>  >> As such this is where the buffering
>  comes in on that small board.
>  >>
>  Proper timing and command queuing.
>  >>
>  >> ie. Why
>  Henner's BUMPS cape for the BBB uses the A8s specific
>  >> programmeable PRU for real time
>  control of the pins.
>  >>
>  >>
>  >>
>  >> On Wed, Nov 11, 2015 at 9:00 PM,
>  Zachary Morriss
>  >> <zmorriss at gmail.com<mailto:zmorriss at gmail.com>>
>  wrote:
>  >> I don't want to distract
>  this perfectly excellent hack in progress, but
>  >> being that the laser is EOL, it might
>  be time to invest in some new
>  >>
>  jank:
>  >> http://www.amazon.com/Engraving-Cutting-Engraver-Parallel-Winsealxp/dp/B00C9UZCOS/ref=sr_1_1?ie=UTF8&qid=1447304268&sr=8-1&keywords=40+watt+laser
>  >>
>  >> Price goes up
>  and down and can be had cheaper on ebay.
>  >>
>  >> Or even
>  better, something with a DSP controller, z adjust, air
>  assist,
>  >> and a little moar power:
>  >> http://www.aliexpress.com/item/Free-ship-Best-price-rayjet-laser-engraver-3040-co2-laser-cutting-machine-50W-with-rotary/32247621015.html?spm=2114.01010108.3.48.cC334H&ws_ab_test=searchweb201556_1_71_72_73_74_75,searchweb0_0,searchweb201560_9<http://www.aliexpress.com/item/Free-ship-Best-price-rayjet-laser-engraver-3040-co2-laser-cutting-machine-50W-with-rotary/32247621015.html?spm=2114.01010108.3.48.cC334H&ws_ab_test=searchweb201556_1_71_72_73_74_75%2csearchweb0_0%2csearchweb201560_9>
>  >>
>  >> Just stirring
>  the pot,
>  >> Zach
>  >>
>  >>
>  >> On Wed, Nov 11, 2015 at 8:22 PM, Brian
>  Klug
>  >> <brian.klug at gmail.com<mailto:brian.klug at gmail.com>>
>  wrote:
>  >>> USB to DB25 Adapter Uses
>  GRBL For Parallel Port CNC ...
>  >>
>  >> The following USB <-> GRBL
>  interface might help..?
>  >>
>  >> http://www.esreality.com/files/placeimages/2013/93363-gerbil.gif
>  >>
>  >>
>  _______________________________________________
>  >> Noisebridge-discuss mailing list
>  >> Noisebridge-discuss at lists.noisebridge.net<mailto:Noisebridge-discuss at lists.noisebridge.net>
>  >> https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss
>  >>
>  >>
>  >>
>  >>
>  _______________________________________________
>  >> Noisebridge-discuss mailing list
>  >> Noisebridge-discuss at lists.noisebridge.net<mailto:Noisebridge-discuss at lists.noisebridge.net>
>  >> https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss
>  >>
>  >>
>  >>
>  >>
>  _______________________________________________
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>  >> mailing list Noisebridge-discuss at lists.noisebridge.net
>  >> https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss
>  >
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