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Question #: 9048

Question: How thick can the material to be engraved will fit inside the BlackTooth machine

Current Solution

The thickness of material that can be cut or engraved is addressed in other CSL answers.

The thickness of material that will physically fit into the machine is limited by the distance from the bottom of the cabinet to the laser nozzle, which needs to be at a distance from the workpiece determined by the focal length of the lenses used. (2 inches is standard in our machine.) The standard cabinet of our blackTooth has a cut out section about 25 inches wide designed to allow a sliding tray to be used to easily change workpieces. You could allow for material of any reasonable thickness by adjusting the thickness of this tray so that the surface of your workpiece is the proper distance from the nozzle. You could also modify the cabinet as needed to accommodate special sized work.

If you need to lase very large workpieces, you might consider our Vertical Laser XL, found here: https://buildyourcnc.com/item/cnc-machine-vertical-laser-xl, or adding a laser tube to the spindle of one of our conventional CNC machines, such as this: https://buildyourcnc.com/Item/cnc-machine-laser-spindle-combo-head.

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Other Possible Solutions to this Question

  • I am looking at buying the blacktooth-laser-cutter-engraver-40w. Can you give me some idea of the types and thickness of material this machine will cut and/or ingrave?

    Considering that "materials being lased by may emit gasses that are harmful to humans (corrode human tissue and cause damage to respiratory organs). Always read the MSDS (Material Safety Data Sheet) for the material to be lased. You can find these MSDS from manufacturer websites for the material you are considering for use in the laser system."
    We successfully have worked on Thin sheets of Brasswood, glass, foam, plexi-glass. The thickest materials you will be able to successfully cut is 1/4".

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    I am looking at buying the blacktooth-laser-cutter-engraver-40w. Can you give me some idea of the types and thickness of material this machine will cut and/or ingrave?

  • What is the largest thickness of material that the BlackTooth can accomodate

    A standard 40W CO2 laser will cut up to 1/4" thick of material, be it wood, acrylic, card stock, leather, fabric, foam, cork, etc. (Decent speed and final cut are heavily dependent on a strong air assist upgrade)

    Metals cannot be cut due to the power level and wavelength of the CO2 laser. But it can be marked with special solutions like Cermark or Thermark.

    Click the link to respond:
    What is the largest thickness of material that the BlackTooth can accomodate

  • WHAT THICKNESS OF MATERIAL CAN THE BLACKTOOTH LASER CUT?

    A standard 40W CO2 laser will cut up to 1/4" thick of material, be it wood, acrylic, card stock, leather, fabric, foam, cork, etc. (Decent speed and final cut are heavily dependent on a strong air assist upgrade)

    Metals cannot be cut due to the power level and wavelength of the CO2 laser. But it can be marked with special solutions like Cermark or Thermark.

    Click the link to respond:
    WHAT THICKNESS OF MATERIAL CAN THE BLACKTOOTH LASER CUT?

  • I'm considering the purchase of your Blacktooth laser. I will be engraving on my wood blocks that are two inches in thickness. Will the Blacktooth accomodate this thickness material?

    Yes, the blackTooth actually has a base that is open, so you can set the blackTooth laser cutter on a surface that is depressed as much as you need so you can accommodate a work piece with very large heights.

    Click the link to respond:
    I'm considering the purchase of your Blacktooth laser. I will be engraving on my wood blocks that are two inches in thickness. Will the Blacktooth accomodate this thickness material?

  • IT OK TO USE THICKER PLYWOOD (MATERIAL) BUILD THE CNC MACHINE, BLACKFOOT, BLACKTOE?

    Yes, it is ok if the thickness is plus or minus +/- about 2mm.

    Click the link to respond:
    IT OK TO USE THICKER PLYWOOD (MATERIAL) BUILD THE CNC MACHINE, BLACKFOOT, BLACKTOE?

  • is IT OK TO USE THICKER PLYWOOD (MATERIAL) to BUILD THE CNC MACHINE, BLACKFOOT, BLACKTOE?

    Yes, it is ok if the thickness is plus or minus +/- about 2mm.

    Click the link to respond:
    is IT OK TO USE THICKER PLYWOOD (MATERIAL) to BUILD THE CNC MACHINE, BLACKFOOT, BLACKTOE?

  • Can a CO2 CNC laser machine be used for welding of thermoplastic materials?

    That is a good question. We have not tried to weld thermoplastics using our CO2 Lasers. It is possible since the laser outputs a heat source and at the right intensity and speed, the thermoplastic can be heated and melted rather than instantaneously vaporized and off gassed. I have done research to see if CO2 laser can weld thermoplastics with positive results.

    Our CO2 lasers are typical of other laser cutters on the market, so if their literature, or examples you have found, successfully weld thermoplastics, then ours will probably be able to as well.

    In some cutting test with different speeds and intensities, the kerf has welded back together; however, this was caused by an unintentional process rather than an intentional one.

    Click the link to respond:
    Can a CO2 CNC laser machine be used for welding of thermoplastic materials?

  • THICKER MATERIAL OK TO BUILD THE MACHINE?

    Yes, it is ok if the thickness is plus or minus +/- about 2mm.

    Click the link to respond:
    THICKER MATERIAL OK TO BUILD THE MACHINE?

  • where is the build manual for the blacktooth laser? online? I didnt get one with my machine

    For our machines our steps for the build process can be found on the actual machine page with images to reference (please read carefully all the instructions) (https://www.buildyourcnc.com/blackToothLaserCutterAndEngraver.aspx).
    You can get further help here (http://blacktoothlaser.blogspot.ca/2013/04/index-for-blacktooth-laser.html?view=sidebar) a post made by one of our customers!

    Click the link to respond:
    where is the build manual for the blacktooth laser? online? I didnt get one with my machine

  • What is the footprint size of the Blacktooth laser machine?

    The footprint of the blackTooth laser machine is:
    Length: 37"/ 939.8mm
    Width: 33"-3/4"/ 857.25mm
    Height: 11"-1/8"/ 282.575mm

    The height will change with the doors that open to retrieve your material/project the highest point will be 28"-1/4"/ 717.55mm

    Additional Information:
    what is the maximum cutting depth of the blacktooth laser on plywood

    Click the link to respond:
    What is the footprint size of the Blacktooth laser machine?

  • All of the pics and videos show your cncs cutting sheet materials, I'm interested in carving 3d images in plastic and hardwood slabs up to 2" thick. What machine and software would you recommend?

    All of our CNC machines can carve at that depth without a problem and do 3d carving. Our typical application is cutting sheet materials, but a good percentage of our customers cut 3D bas reliefs or even more complex 3D objects using reference points and jigs.

    Most of our CNC machines have a Z travel of at least 6 inches for the smaller machines and 7 to 10 inches for our larger machines. The Fabricator Pro has a Z travel of 10 inches.

    Depending on your application, you will need to consider the length of the end mill (more than the deepest depth of the 3D carving) and the stock that you will be using. If the stock plus the length of the end mill exceed the clearance with the Z axis raised to the top extent, then you will need to consider the way the table/bed of the machine is formed (maybe with a depression to take advantage of the greater need for clearance).

    The greenBull has the capability of Z axis travel of up to 36 inches, but I would recommend, if milling wood, that the Z-axis not extend more than 12 inches to reduce deflection.

    Additional Information:
    Most of the CAM software on the market will have 3D profile machining operation capabilities. CAMBAM has a very nice 3D prpfiling feature. The Vectric line of software can definitely handle this as well.

    Click the link to respond:
    All of the pics and videos show your cncs cutting sheet materials, I'm interested in carving 3d images in plastic and hardwood slabs up to 2" thick. What machine and software would you recommend?

  • I have been asked to provide an exhaust for the Blacktooth Laser Cutter CO2 40W. I see no specifications or guidelines for exhausting fumes from the machine. Can someone help me?

    Exhausting the blackTooth laser cutter is a very important consideration and should be taken seriously, especially if you are cutting materials that give off toxic fumes when the material is burned. You will want a 4 inch hose to connect from the blackTooth to a blower, and another 4 inch hose to connect from the blower to the outside. The blower should be sufficient to provide completely negative pressure within the laser enclosure so there will be no escape of gasses.

    The connections at the machine, at the blower and at the location the hose exhausts outside should be thoroughly checked for leaks. Use a gasket, or silicone. Once complete, try cutting a non-toxic material that will give off an odor (wood, or non-toxic plastic) and try the system and determine if the smell is present.

    Click the link to respond:
    I have been asked to provide an exhaust for the Blacktooth Laser Cutter CO2 40W. I see no specifications or guidelines for exhausting fumes from the machine. Can someone help me?

  • What solder will stick on the tungsten terminal of the laser tube in a Blacktooth kit?

    We use a standard leaded solder with flux. To help the soldering, you can add flux to the wire end and the tungsten rod. We have not tried non-leaded solder in fear that we would crack the glass with a rapid temperature rise. The leaded solder will melt at a lower temperature.

    Click the link to respond:
    What solder will stick on the tungsten terminal of the laser tube in a Blacktooth kit?

  • WHAT MATERIALS CAN THE GREENBULL MACHINE CUT? LASER ETCH?

    The Greenbull machine can cut a very wide variety of materials ranging from foam to aluminum. We recommend the use of our 2.2kW spindle to allow the greatest flexibility. Aside from that, the most important thing is to use an appropriate end mill for the material you are cutting and to use appropriate speeds and feed rates.



    BYCNC Response:
    Our 40W laser can cut up to about 1/4" materials ranging from wood and acrylic down through lighter materials such as leather, fabric, foam, etc. Speed and final cut are greatly enhanced by an air assist upgrade. We also offer an 80W laser which has approximately twice the capabilities of the 40W.

    Click the link to respond:
    WHAT MATERIALS CAN THE GREENBULL MACHINE CUT? LASER ETCH?

  • What materials can the Greenbull machine cut? What materials can the laser cut? Can the laser etch?

    The Greenbull machine can cut a very wide variety of materials ranging from foam to aluminum. We recommend the use of our 2.2kW spindle to allow the greatest flexibility. Aside from that, the most important thing is to use an appropriate end mill for the material you are cutting and to use appropriate speeds and feed rates.



    BYCNC Response:
    Our 40W laser can cut up to about 1/4" materials ranging from wood and acrylic down through lighter materials such as leather, fabric, foam, etc. Speed and final cut are greatly enhanced by an air assist upgrade. We also offer an 80W laser which has approximately twice the capabilities of the 40W.

    Click the link to respond:
    What materials can the Greenbull machine cut? What materials can the laser cut? Can the laser etch?

  • What is the Max thickness of wood that can be placed in the 4x8 cnc milling machine?

    Tricky question. That depends on the way the table is built. If the table is built with a step down area, you can put as thick a material as you want. If the table is flat, the clearance is 6 inches. Now, the thickness depends on the size end mill you insert into the collet. If you use an end mill that has a 2 inch cutting length, then your material thickness is 4 inches without a spoilboard. If you need to mill thick material, I would suggest that you fashion the table accordingly so the table can accomodate any thickness you desire. That's one of the great aspects of the buildyourcnc machines, adaptability.

    Click the link to respond:
    What is the Max thickness of wood that can be placed in the 4x8 cnc milling machine?

  • Should the machine material (wood like) be painted before assembly?

    Our machines structures is made from MDO, which is used in the construction industry. Specifically in cement forming, which allows the material to be treated and coated for the specific requirements in the field.
    We do recommend painting the structure (everything structure wise besides aluminum) with oil based paints, if you have the machine in a very humid location or location with constant rain. If you do not have the machine in a climate control environment.
    Painting the machine will not give it a longer run time or any specific advantages to the over structure or material. Painting it would be more of a personal choice, in making it specifically orientated to your shop or personality.

    Click the link to respond:
    Should the machine material (wood like) be painted before assembly?

  • how can I exhaust the blacktooth co2 laser cutter

    Exhausting the blackTooth laser cutter is a very important consideration and should be taken seriously, especially if you are cutting materials that give off toxic fumes when the material is burned. You will want a 4 inch hose to connect from the blackTooth to a blower, and another 4 inch hose to connect from the blower to the outside. The blower should be sufficient to provide completely negative pressure within the laser enclosure so there will be no escape of gasses.

    The connections at the machine, at the blower and at the location the hose exhausts outside should be thoroughly checked for leaks. Use a gasket, or silicone. Once complete, try cutting a non-toxic material that will give off an odor (wood, or non-toxic plastic) and try the system and determine if the smell is present.

    Click the link to respond:
    how can I exhaust the blacktooth co2 laser cutter

  • HOW CAN YOU ENHANCE THE BLACKTOOTH LASER CUTTER?

    Temperature probe monitor. Very valuable. This keeps you up to date on your coolant temperature levels.

    Voltage meter. This will tell you the exact level of voltage/power you are running telling the laser to run at instead of an arbitrary mark on a drawn wheel around your POT.

    Ammeter sensitive to 1mA. This will be sure your not over driving your tube and reducing it's life significantly.

    Hour meter. This will tell you exactly how long your system has been 'on' giving you a more accurate bead on the length of your tubes life.

    Exhaust fan upgrade. The current fan included is 100CFM. You can buy 120mm fans that push 250CFM and I have included a guide on how to go about doing this here. http://buildyourtools.com/phpBB3/viewto ... 8cdd1802bf

    To push the exhaust fan even further, if you have the room/power, I would highly recommend investing in a 600+ CFM "Dust Collector" system. 250CFM is still not suffice to draw all the smoke that can come off of 3mm or 1/8 MDF cutting job.

    A cutting surface. I bought myself a aluminum 'egg crate' mesh from my local HVAC company. They are used a cover for fluorescent lights and work great for low impact cutting surface. They come in 4'x8' sheets and are easily cut to fit. The other side is if you can find a steel honeycomb cutting bed to fit. These can be quite costly or fairly affordable depending where you are looking. The benefit of a steel honeycomb is you can use high power magnets to hold material down.

    Click the link to respond:
    HOW CAN YOU ENHANCE THE BLACKTOOTH LASER CUTTER?

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