today we're going to talk about what you should do after fiber cable broken of your fiber laser source and what you should do to protect your fiber cable. recently a lot of customers sent us inquires that their fiber cable of the fiber laser source has broken like this one, this is the cable QBH connector of the fiber cable and either they burn the protective cap or they burn the crystal or they burn the whole qbh connector, so what you can do if your qbh connector burn like this, what you have to change, and fiber cable is not plug and unplug, it looks like this, in the other side of your fiber is to connect like this, so you cannot change by yourself, you need professional engineers, and tools to do the change. we can sell, you have two solution, if your fiber cable burn like this, first you ask your machine supplier, what they can do, very probably they cannot repair locally according to what we know, so they have to send back to laser to China to max or raycus and they need to change this cable for you in their factory, and then send back to you, so it's very time consuming, and it's also very costly by shipping, and you can buy the cable from us for all kinds of lasers: raycus max ipj and night and all brands, but you cannot plug by yourself, because you need to spicing this by a special splicing machine, but you can uh we, we have many cooperative labs in many country like Vietnam turkey and um, Brazil and many other countries. we're setting up like the Russia, we have many partners that they bought the tools from us, so they might can offer the help for you if you want to repair the laser as soon as possible, so the first solution you go back to supplier, if they cannot give you fast response, you can come the second solution contact with us, we can sell you the new fiber and we can introduce engineer who can do this connection job for you or if you are an engineer you want to set up this service lab, you can contact with us for raycus or ipg qbh we have numbers writing here, so you have to make a picture of this we can define because different fiber cable have different specifications ,okay so this is what you should do after your fiber cable the qbh burn or destroyed; the part two, if you have changed a new fiber to your fiber laser source what you need to know to protect it to protect it from the destroy again when you connect this fiber to the cutting head, you need the professional engineers to do it you need to take off the cutting head, not to plug on the machine and this is the reasons for this kind of things to burn is that the dust came in, the optics become heating up and so when the laser power shoot on the dust it will burn, so first you need to clean, to do it in a clean environment, better to do it in a clean bench like this, if you don't have this, you need to guarantee the environment is very clean, without dust and then, you take off the cutting head in a horizontal position, and you need to make sure to clean [the surface of the protective cap with the swap, and that will make it very clean to plug it according to the procedure like this, and then after you plug it and you put it back on the machine, you need to seal the this with the tape, like this very common tape, it's very cheap but you need to have a good habit, just to this is connected to the cutting head so you need to seal around to make the seam completely closed and also on the cutting head focus lens coordinating lens and protective windows all the, all the seams so you need to tape it and then for the second reason it might burn, this is the cooling water, because for this kind of laser when it's working you need to running the chiller and the cooling water need to be very clean without particles, so that's because sometimes the water connected with the fiber, so have better cooling for the laser source for the fiber, the third when you're cutting high reflection material like aluminum, when the operator will see the reflection from the sheets, so this is the very common reason that burn this part, because when you cut high reflection materials, the laser will, you know when you are piercing work not cutting through, a lot of laser come back to the cutting head, then to the beam path because this is the complete beam path then it will burn this, because the fiber is only delivery in single direction, if there are more laser power up came into the fiber, it cannot hold the heat that it will burn, and sometimes it's not only burned this head or the crystal, sometimes it will burn the optical parts inside, like so you need to check if you have the red beam, if you don't have the red beam, maybe there are some parts inside has burned, this is you need to check, it has something internal parts broken you need a more, anyway we can quote you all the parts inside, if you have the truth you can still repair it at site.
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