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Question #: 13484

Question: with a work area of 24"x20"on your Blacktooth lazer,How do I get a 4'x8' sheet down to that workable size?

Current Solution

To allow a 4'x8' stock to be used by a blackTooth laser system, you will need to cut the large sheet with a standard woodworking tool such as a hand saw, circular saw, table saw, jig saw, etc. Alternatively, you can purchase our very affordable 4'x8' vertical laser systems that allows a 4'x8' sheet stock.

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Other Possible Solutions to this Question

  • whatt is the physical size of the blacktooth area with the working size of 20 x 23"?

    To allow a 4'x8' stock to be used by a blackTooth laser system, you will need to cut the large sheet with a standard woodworking tool such as a hand saw, circular saw, table saw, jig saw, etc. Alternatively, you can purchase our very affordable 4'x8' vertical laser systems that allows a 4'x8' sheet stock.

    Click the link to respond:
    whatt is the physical size of the blacktooth area with the working size of 20 x 23"?

  • what is the physical size of the blacktooth area with the working size of 20 x 23"?

    The blackTooth work-space area and travel (X and Y axis travel) is 20" x 24"

    Click the link to respond:
    what is the physical size of the blacktooth area with the working size of 20 x 23"?

  • The LED Status indicator on the front of my Blacktooth laser is not working any longer. I'm looking to get a replacement but can't seem to find them on your website. Do you sell replacements? Thank you.

    Sure, we can send you a replacement LED indicator. Just send an email to customerservice@buildyourcnc.com, include your address and we will send it poste haste.

    Click the link to respond:
    The LED Status indicator on the front of my Blacktooth laser is not working any longer. I'm looking to get a replacement but can't seem to find them on your website. Do you sell replacements? Thank you.

  • Do you have a larger kit for the Blacktooth Laser? I need a laser with at least 80watts of power.

    We have one in the works. It is a 4'x8' machine that will house the 80w laser tube on the gantry. The machine is bout 2 months out as of 1/7/2014.

    Click the link to respond:
    Do you have a larger kit for the Blacktooth Laser? I need a laser with at least 80watts of power.

  • What kind of computer comes with the blacktooth and do i need to install windows after purchase?

    For the integrated computer for the blackTooth, the hard drive doe not need to be formatted, but will require an OS (operating system) to be installed. Ubuntu Linux can be installed with the CNC integrated software from Linuxcnc.org. Windows can also be installed.

    Click the link to respond:
    What kind of computer comes with the blacktooth and do i need to install windows after purchase?

  • Can you shortcut the usb controller that comes with the blacktooth laser to hardware reset it?

    The USB controller does not have a reset button installed on it.

    You have some alternate options however:
    - You can remove the USB connector and re-insert it.
    - Set the USB to use external 5v by removing the jumper near the USB connector, use a 5v wall adapter and install a switch along the 5v DC power line to turn it off then on. You can use a momentary push button switch to do this.

    Click the link to respond:
    Can you shortcut the usb controller that comes with the blacktooth laser to hardware reset it?

  • 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

  • However it how do I get the software to work? PlanetCNC sent me a key that looks like it will only work with a backup control board I purchased from them?

    When you plug the USB controller into the computer using a USB cable, and the planet-cnc software is running, you will be presented with a dialog box that will contain a text box for the key that you received from the planet-cnc folks.

    Additional Information:


    Additional Information:
    Is there any other software that will work with your controller Mach3? Thanks for the help!

    Click the link to respond:
    However it how do I get the software to work? PlanetCNC sent me a key that looks like it will only work with a backup control board I purchased from them?

  • Originally bought the Blacktooth Laser kit, but the upgraded laser tube size and needed a larger casing. With that I need to upgrade the belts to a 36" run. Can you advise whether the mxl.08" timing belt is sufficent or do I need the .2"in.

    The mxl 0.08" pitch is fine for moving the weight of a gantry that contains a 40 watt laser tube and optics. I would not advise this timing belt for CNC applications that need to move heavy items such as spindles, routers, and heavier structures that are required to move these spindles and routers around.

    The mxl 0.08" pitch timing belt is also great for 3d printers.

    Click the link to respond:
    Originally bought the Blacktooth Laser kit, but the upgraded laser tube size and needed a larger casing. With that I need to upgrade the belts to a 36" run. Can you advise whether the mxl.08" timing belt is sufficent or do I need the .2"in.

  • What is the dot resolution (size) of the BlackTooth laser?

    The dot resolution of the blackTooth is a combination of two specifications of the machine:

    - The steps/inch (or steps/mm) which is the resolution but not the dot size
    - The size of the actual dot, which is not specifically related to the resolution.

    The steps per or resolution can actually be a range, since the driver microstepping can be modified.

    A simple formula can be used to determine the resolution:

    step per inch = (motor steps * microstepping) / (travel at one turn of the motor in inches)

    if microstepping is set at 16 (1/16 on the driver) and you are using a pulley that has a pitch of .08 inches and 20 teeth on the drive sprocket

    = (200 steps * 16 microsteps) / (20 teeth * .08 inches)
    = 3200 steps / 1.6 inches
    = 2000 steps per inch

    To increase the resolution, just increase the microsteps on the driver.

    The actual dot size will depend on the lens you are using, the material being lased, the time period that the laser energy is applied to the material, and the focal height of the lens to the work surface material. The energy from the laser will converge to a point and create a dot on the surface (which is different than the kerf of the laser cut into the material).

    The dot will appear in different sizes depending on the material because, say wood, will burn causing a dot that burns the fibers of the wood and spreads a bit. The dot lased on the surface of a plastic, say Plexiglas, the dot will be smaller because the energy is absorbed only at that point, but since Plexiglas is a thermoplastic, a bit of the energy will melt the dot edges depending on the time frame (period) that the energy is applied to the surface.

    The focus of the laser energy from the lens looks like a cone converging to a point, then diverges outward after that point. Depending on the distance from the lens to the surface of the material, the dot will be bigger or smaller. You want to find focal point (where the energy is focused into a point). You can use the technique where you lay a material on a slope and lase that material along the slope to find the sweet spot (dot) and that will be your smallest dot, or kerf location. Remember that the kerf will widen or narrow within the material thickness depending on the focal length lens specification (the cone will be shorter or longer depending on the lens focal length).

    Click the link to respond:
    What is the dot resolution (size) of the BlackTooth laser?

  • 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?

  • For cutting with the BlackTooth, what is the best type of clear plastic/acrylic to use, and can you recommend a source?

    The blackTooth will cut acrylic very easily. The type of acrylic (cast or extruded) is not important since the acrylic itself has 100% absorption with CO2 lasers. Any plastic retailer, even the home improvements stores will have sheets of acrylic.

    Avoid using plastics that will off-gas toxic and corrosive fumes. One example is PVC which is Polyvinyl Chloride. The burning of that material will exhaust chloride into the air and combine with the hydrogen in the air causing a chemical reaction yielding hydrochloric acid which is corrosive and highly toxic to humans.

    Always read the MSDS (Material Safety Data Sheet) for any material that you intend to burn with the CO2 laser.

    Click the link to respond:
    For cutting with the BlackTooth, what is the best type of clear plastic/acrylic to use, and can you recommend a source?

  • what is the size/width of pulley and timing belt used in Blacktooth laser cutter ?

    The blackTooth uses MXL timing belt with 1/4" MXL Drive Pulley 20 teeth.

    Click the link to respond:
    what is the size/width of pulley and timing belt used in Blacktooth laser cutter ?

  • I would like to make a handheld remote for the USB CNC Board using a joystick instead of momentary switches. Could you suggest one that will work with your board.

    The USB interface only works with momentary switches unfortunately. If you have extensive knowledge of digital electronics, you can apply a receiver that uses a microcontroller and a transmitter with another microcontroller that produces the pulsing signal with the controls that you need.

    Click the link to respond:
    I would like to make a handheld remote for the USB CNC Board using a joystick instead of momentary switches. Could you suggest one that will work with your board.

  • I work with carpet & padding and need to cut carpet to create clean 90 degree corners, and patterns for inlay's. The work area would need to be a minimum of 12 ft by 15 ft. Is there an affordable kit that could accommodate this size

    The largest cutting area machine we have available is our greenBull 6X, which allows a cutting surface of 6' x 12'. The limit of our machines is the x-axis being the width, but you can elongate the machine as far as you require, being 15 Ft. or more.
    I would highly recommend a visit to our R&D page, which allows you to post ideas/requests and to view the current tasks that we are working on!

    Click the link to respond:
    I work with carpet & padding and need to cut carpet to create clean 90 degree corners, and patterns for inlay's. The work area would need to be a minimum of 12 ft by 15 ft. Is there an affordable kit that could accommodate this size

  • 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 size and length of cable carrier suits the BlackTooth laser cutter?

    The space within the blackTooth laser cutter is so tight that a cable carrier will not fit.

    Click the link to respond:
    What size and length of cable carrier suits the BlackTooth laser cutter?

  • When Blacktooth is powered on the motors get power but will not turn. What should I do?

    The motors could be wired incorrectly causing them to lock up. Make sure to check the wiring to make sure the X and Y are connected to the correct terminals.

    Click the link to respond:
    When Blacktooth is powered on the motors get power but will not turn. What should I do?

  • Is there any other software that will work with your controller Mach3?

    The mach3 control software will work with all major CAM software (CAMBAM, Aspire and Vectric, BobCAD/CAM, ArtCAM, Dolphin CAM, CAM software that integrate with SolidWorks and AutoDesk Inventor, and many more).

    Click the link to respond:
    Is there any other software that will work with your controller Mach3?

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