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Thread: about to buy a chinese laser co2 machine - advice required

  1. #13
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    Default Re: about to buy a chinese laser co2 machine - advice required

    If they send the same machine they show in those pictures (unfortunately, the Chinese often steal/repost pictures copied from others), I have the same machine. Based on conversations with other people who bought the same machine, the 80W tubes in these machines seem to be of better variety than those found in the 40 and 50 watt machines. Mine came with an Lasea/EFR F2 series tube that tested very close to 80w using Russ' Dohickey device.

    You definitely want to join and start reading the forums at RDWorks Lab - Forum

    "80 Watt” 700mm x 500mm Ke Hui KH-750 Laser (Similar to the Red Sail)


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    Default Re: about to buy a chinese laser co2 machine - advice required

    Quote Originally Posted by vrc321 View Post
    If they send the same machine they show in those pictures (unfortunately, the Chinese often steal/repost pictures copied from others), I have the same machine. Based on conversations with other people who bought the same machine, the 80W tubes in these machines seem to be of better variety than those found in the 40 and 50 watt machines. Mine came with an Lasea/EFR F2 series tube that tested very close to 80w using Russ' Dohickey device.

    You definitely want to join and start reading the forums at RDWorks Lab - Forum
    thanks, hopefully it is going to be close to what i asked for, the way i looked at it was the higher the power i bought even though you shouldnt max it out (ammeter bought for immediate fitment when the machine arrives) the higher power i would have at my disposal.

    i will look into that forum

    thanks



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    Default Re: about to buy a chinese laser co2 machine - advice required

    Quote Originally Posted by jasongtr View Post
    thanks,i wasnt suggesting id need the rotary for the materials,maybe for glasses or bottles

    material will be 1.5mm max,

    i know they all have exhaust fans just some are the centrifugal type and are more powerful
    You are welcome.For engraving on bottle and glass,i suggest the rolling type rotary attachment. For cutting 1.5mm thick leather,60W is ok,80W is better.Exhause fans,750W is ok for you?



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    Default Re: about to buy a chinese laser co2 machine - advice required

    Quote Originally Posted by toyeacnc View Post
    You are welcome.For engraving on bottle and glass,i suggest the rolling type rotary attachment. For cutting 1.5mm thick leather,60W is ok,80W is better.Exhause fans,750W is ok for you?
    i will get a rotary as i will be mark stainless steel tube, exhaust fan? no idea what power i have



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    Default Re: about to buy a chinese laser co2 machine - advice required

    Quote Originally Posted by jasongtr View Post
    i will get a rotary as i will be mark stainless steel tube, exhaust fan? no idea what power i have
    OK.co2 laser tube only work on non-metal materials and the oxidized metal ( printed metal ) .By the way,you have bought the laser machine,right?

    Jenny (Ms) E:toyealasercnc@foxmail.com / jenny@toyeacnc.com Skype:toyeacnc ,www.toyeacnclaser.com, www.toyeacnclaser.com


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    Default Re: about to buy a chinese laser co2 machine - advice required

    Quote Originally Posted by toyeacnc View Post
    OK.co2 laser tube only work on non-metal materials and the oxidized metal ( printed metal ) .By the way,you have bought the laser machine,right?
    a Co2 laser from everything i have read will mark stainless steel with the use of the prep spray, and yes i have bought one



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    Default Re: about to buy a chinese laser co2 machine - advice required

    Right, to mark Stainless Steel you need to use Cermark (better, more expensive) or Dry Moly (cheaper, more inconsistent results).



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    Default Re: about to buy a chinese laser co2 machine - advice required

    Quote Originally Posted by robertk925 View Post
    Right, to mark Stainless Steel you need to use Cermark (better, more expensive) or Dry Moly (cheaper, more inconsistent results).
    that Cermark better be good at £95 a can - hope it lasts a long time



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    Default Re: about to buy a chinese laser co2 machine - advice required

    Quote Originally Posted by jasongtr View Post
    thanks, ive sinced found a Russ video about it, setting the thing up, beam setting i mean looks like not a lot of fun.... cant wait for that... not
    Russ has later videos about checking the beam alignment that makes more sense than the earlier videos, it will make things much easier. You have to think about being parallel to each axis, once you understand it setting the beam alignment becomes very easy.



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    Default Re: about to buy a chinese laser co2 machine - advice required

    Thanks Makercut, not sure whether the one i was was the earlier or later one, but it was in 2 parts, no doubt ill work my way through ll of them eventually



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    Default Re: about to buy a chinese laser co2 machine - advice required

    Hi Jasongtr,
    Where abouts are you in the uk? I recently purchased a larger Chinese laser from a company in Birmingham. I had 2 of the smaller 40w Chinese ones and had loads of trouble with them. I got this one which is a 100w with a 400mm x 600mm bed with adjustable bed height, air, red dot and chiller. I actually went to the place in Birmingham and saw one of the machines working and took one of the items I engrave and did that on the machine. I also had the rotary attatchment, this is the one like a lathe chuck but you can take the jaws out and turn them around to make them bigger. I had a problem last week and I asked loads of people for advise and couldn't get any help. I finally got in touch with the suppliers in Birmingham and they sent some things through for me to try, and offered to come out to me if these didn't work to put everything right. The whole kit came in at around £1700, as being there and taking it away with me I could haggle with the price, but I am very impressed with it and with the after sales support. I am not associated with them just a very happy customer.
    This is my machine on their website
    https://www.dropswell.com/100w-6040-co2-laser-cutter
    Hope this helps



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    Default Re: about to buy a chinese laser co2 machine - advice required

    that machine does not support multi colour cuts as its the very same one i mentioned earlier in the thread.

    Seems very convenient they re based in Birmingham like you too, good find.



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about to buy a chinese laser co2 machine - advice required
about to buy a chinese laser co2 machine - advice required