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Type: Posts; User: frank wang

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  1. Replies
    19
    Views
    2,851

    Re: K40 chinese laser 40w C02 tube supplier

    Hi, my friend

    Please make sure the person first , and stop Defaming me .
    and if you need some parts , you can pay via paypal , or i can upload
    the item on ebay , you can buy one ebay .

    Many...
  2. Replies
    19
    Views
    2,851

    Re: K40 chinese laser 40w C02 tube supplier

    Hi ,my friend

    what is the matter with you ?
    why you Defamation me ?

    i am not the guy you mention .

    Here is the picture which my customers give the feedback .

    Meanwhile ,Paypal can...
  3. Replies
    7
    Views
    4,886

    Re: Which mirror material for 50W CO2 laser?

    Hi ,

    for the quality of the Mirror

    The smart choice is Silicon and Mo

    The worst is the K9

    for your 50W machine , you can choose Mo mirror
  4. Replies
    1
    Views
    1,150

    Re: Optics Cleaning

    Hi ,

    In your machine , that is a poor K9 glass mirror with the yellow coating .

    this kind of mirrors is not good after cleaning , the coating will be broke.

    for the mirror , the quality is...
  5. Replies
    19
    Views
    2,851

    Re: K40 chinese laser 40w C02 tube supplier

    Hi ,

    sorry , for the thread ,Phil need 40w tube , so i quote it

    1000mm actually the watt is 55W -60W . The diameter is 50mm ,the material of the window lens is Germanium,more better than...
  6. Replies
    19
    Views
    2,851

    Re: K40 chinese laser 40w C02 tube supplier

    Hi ,

    sorry , for the thread ,Phil need 40w tube , so i quote it

    1000mm actually the watt is 55W -60W . The diameter is 50mm ,the material of the window lens is Germanium,more better than...
  7. Re: Need a Step motor for laserpro explorer

    hi, my friend

    You just want a motor or with the Encoder ?

    Best regards
  8. Replies
    17
    Views
    1,274

    Re: where to find good Co2 laser tubes?

    Hi , all

    i am a supplier of co2 laser machine and parts .
    for tubes
    my supply
    700mm length , 800mm length, 845mm length ,1000mm length , small tube .
    1200mm , 1400mm 1600mm , 1650mm 1850 mm...
  9. Replies
    2
    Views
    1,724

    Re: Best chinese laser upgrade?

    Hi , my friend

    it is not hard

    could you tell me what the main board in your machine now ?Moshi ? and does your machine with independent limited switch ?

    and then i can give you some advice .
  10. Re: Newbie with 50w Shenhui Laser not working

    Hi, my friend

    The problem is the tube , please clean the "+ "side of the tube ,and the side of the machine shell .
    if still can not solve , you need to change a tube .

    i can supply 700mm...
  11. Replies
    19
    Views
    2,851

    Re: K40 chinese laser 40w C02 tube supplier

    Hi ,

    i am a supplier of the co2 laser machine and parts .

    i can supply with the 700mm length 40W tube .
    the first kind is 95$/pc ,3 months warranty
    the second kind is 115$ , 4 months...
  12. Replies
    10
    Views
    1,347

    Re: KH 750 60W Power issues on new laser

    Hi ,my friend

    what is the material and thickness do you want to cut ?
    for a 1000mm length tube , the power can not up to 60W

    The problem is the tube , the power is weak .

    If you want to...
  13. Re: Power loss during cut - Fresh RECI S4 tube

    Hi , Javier

    As what you said , i judge the problem is the tube . and your tube is still within the warranty .

    if everything is ok ,according to the warranty policy of RECI , they will send you...
  14. Replies
    4
    Views
    1,970

    Re: Chinese laser tube manufacturers

    Hi , Harry

    Weeglant is a one of the laser tube factory in China . their main market is in China .
    for choosing the tube , the most important is warranty ,price and cutting result .

    and for the...
  15. Replies
    1
    Views
    883

    Re: k40 PSU parts?

    Hi , Guys

    No good solutions . the easy way is to buy a new power supply . choose a better quality one .
    as you know , the K40 machine is a cheapper one machine . so most of the parts are not good...
  16. Re: 60w laser need 2 pass at 100% 10mms to cut 2mm acrylic

    Hi ,my friend .

    what is the length of your tube , and how long did you use it ?

    if you adjust the light path well , i think the problem is the tube, the power is weak .

    please check .
  17. Replies
    4
    Views
    763

    Re: Need Help Please XYZ 600X900X80W laser

    Hi ,guys

    i think you need check the wires connection on the mainboard and the PSU . pay attention to the TL,or TH ,you connect on the power supply .
    for more help , please upload photos on the...
  18. Replies
    13
    Views
    2,507

    Re: New DIY laser, cutting power seems low?

    Hi ,

    First ,you need test if choose the right focal length .that will get the best laser spot .
    Second , please check the parameter of the Max and Min power you set in the software of the...
  19. Re: output from new laser tube suddenly weaker !

    Hi ,my friend

    i checked the picture .
    it is a 700mm length co2 laser tube installed in the K40 mini machine .
    1. the reason is not overheat . the reason is the glue .the quality of the gule is...
  20. Replies
    2
    Views
    637

    Re: Need f-theta for CO2

    234186

    Hi ,
    The scanning area have 70*70mm focal length 100mm
    110*110mm focal length 150mm
    140*140mm focal length 200mm
    ...
  21. Re: What Thermistor Do I need for my 80-90W Power Supply?

    Hi , Tam

    i will send the pictures to the manufacter to check if can repair for this problem .

    and also if you need DY10 Power supply .i can supply with you .
    115$/set . Support Paypal .
    ...
  22. Replies
    24
    Views
    12,913

    Hi, Guys i think you need think about the...

    Hi, Guys

    i think you need think about the working area ,power,software. the k40 machine on ebay is very bad ,both hardware and software ,waste of money.
    you will spend a lot for modifing on...
  23. Hi ,my friend you can buy in my aliexress...

    Hi ,my friend

    you can buy in my aliexress store .support online Payment , also you can contact me pay via Paypal .
    Aliexpress.com : Buy Diameter 12mm Focal Length 50.8mm Co2 Laser Focus Lens For...
  24. Replies
    16
    Views
    3,416

    Hi ,all i can help you , i sell the K40...

    Hi ,all

    i can help you , i sell the K40 machine with modified .

    you can check my pictures .

    Frank219426
  25. Hi ,all i think the seller do not tell you...

    Hi ,all

    i think the seller do not tell you the truth . 150W co2 laser tube can not do that kind of job of 3" plywood.
    first what is the Brand of 150W co2 laser tube ? length and diameter of the...
  26. Thread: RDLF 320 A

    by frank wang
    Replies
    2
    Views
    1,053

    Hi , Guys RD320 is more stable control system...

    Hi , Guys

    RD320 is more stable control system , widely used in China . what is the problem with your board ,
    if you need , you can send them to me , we can arrange checking and repairment Free ....
  27. Thread: RDLF 320 A

    by frank wang
    Replies
    2
    Views
    1,053

    H

    H
  28. Replies
    6
    Views
    910

    Hi, 1. if buy a whole machine ,need ship by...

    Hi,

    1. if buy a whole machine ,need ship by sea , you need think about the clearance ,Tax ,and some documents.....
    2. if you just want to get a laser for cutting and engraving , you can think...
  29. Replies
    9
    Views
    1,374

    Hi ,guys the 24v,4.5A is for the control board...

    Hi ,guys

    the 24v,4.5A is for the control board ,like Leetro mpc6525 ,RD320 ,AWC608 etc.
    and 36V,10A is for the motor driver ,like the 3ND583,3DM683 etc Leadshine Brand

    and please tell me the...
  30. Hi , please give me a email...

    Hi ,

    please give me a email ([email protected] , or add my Skpye: cenranlaser

    to give me your address for calculate the shipping charge .

    Sometimes , within 5 working days ,you can get...
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