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    re zeroing the z axis

    Hi

    I want to know the best, easiest way of knowing when the tool is touching the material? I have a 3020 cnc machine off ebay. I'm finding it hard to do this exactly the same every time and the...
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    moshidraw questions

    Hi I have some questions about moshidraw. I have a cheap Chinese k40 laser. I want to know how to alter the speed of the laser? How to alter the laser depth? I also want to know what the Output Class...
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    To get the beam set I had to reset the tube as it...

    To get the beam set I had to reset the tube as it was not set right and then had to move the laser head a lot to set the beam. So thanks to you all for your help.

    Maria
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    Thanks Dan ill have a look at that today and see...

    Thanks Dan ill have a look at that today and see what I come up with.
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    I didn't make the bracket the chinese made the...

    I didn't make the bracket the chinese made the bracket. It's just some bent up aluminium. If you have a look at the pictures on the previous page it's there. Which bracket are you talking about Dan....
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    How do I know when the second mirror and the...

    How do I know when the second mirror and the laser head mirror are in line? The second mirror bracket is home made so it could be that the mirror was put on the machine in the wrong place. Should I...
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    Here are some pictures of this problem. The one...

    Here are some pictures of this problem. The one photo shows how the mirror and head are not parallel. I don't know if this is a problem?
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    Thanks Dan Ill have a look at this in the...

    Thanks Dan

    Ill have a look at this in the morning and ill post some photos then also.

    Thanks Maria
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    The problem I have is that when I set the laser...

    The problem I have is that when I set the laser head mirror the beam moves a lot. When I set it closest to the second mirror it's fine but when I move the laser head to the far position the beam...
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    Hi thanks. Dom is Maria's husband. We are both...

    Hi thanks. Dom is Maria's husband. We are both trying find out information together because we are trying to start a small business personalising products. So we need to get our laser working. That's...
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    Yes they are gold not orange. But how do I clean...

    Yes they are gold not orange. But how do I clean the soot of the mirrors?

    Thanks Dom
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    Hi To answer some of the questions. The mirrors...

    Hi
    To answer some of the questions. The mirrors are orange, not blue and that is not a reflection but a burn mark.What Dan said is what,s happening. It's soot from burning the paper. I didn't know...
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    I now see the mirrors are being damaged. They...

    I now see the mirrors are being damaged. They being burnt, and one broke inside the mount. They were brand new mirrors from Shenhui lasers. Please look at photos. Why did this happen? How do I stop...
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    I can now set all the mirrors and get the beam...

    I can now set all the mirrors and get the beam going through the laser head when I press the test button but when I output from moshidraw the beam is not being reflected through the head. What's...
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    I now have the mirrors set but the beam is not...

    I now have the mirrors set but the beam is not being reflected down through the engraver head. What would cause this too happen? And how do I fix this?
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    How do i check if the tube is not too high or low...

    How do i check if the tube is not too high or low too high with mirrors? And as far as I can see the mirrors are in the same plane. But it does look like the first mirror holder is set too far faward...
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    I had a quick look at the machine today and it...

    I had a quick look at the machine today and it looks like there's no movement in the laser tube. This machine has no name on it but it looks exactly like a Shenhui K40 laser engraver. Ill have to do...
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    help needed to align laser beam

    Hi I have a 40 watt k40 laser engraver which i just got new reflective lenses for and I need help aligning the beam on. Tried but when I set the second mirror when it is closest to beam to the...
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    I have already watched those videos again and...

    I have already watched those videos again and agian and they didn't answer my questions. That's why I came here and asked. Hopefully with Gerry's thread in hand I have this thing worked out, no...
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    None as of yet. Have just been useing the road...

    None as of yet. Have just been useing the road runner to work the system out. Will then use the write wizard and see what the letters are like there. We want to engrave names on items but very little...
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    Please forgive me if this sounds stupid but once...

    Please forgive me if this sounds stupid but once I have referenced thex and y in the lower left corner do I, will I have do this again? Or once it is done does the machine remember that home...
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    Thanks for this advice I will go and have another...

    Thanks for this advice I will go and have another play with the machine and see what I can figure out ok. Maria
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    Hi I use Mach3 and I have not got any design...

    Hi I use Mach3 and I have not got any design software yet was just getting the road runner gcode and trying to figure out the system with that. I have watched the videos but could not understand how...
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    help with tool path window

    I need some help with the tool path window. What I want know is when I load gcode and goes into the tool path window, how do I know were this picture is in relation to the material?, say the middle,...
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    Help with job placement

    Hi I am new to cnc and mach3 and I need some help in knowing were the job is going to be cut on the material. I can load gcode like the road runner but what I don't understand how to change the...
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