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Question #: 6929

Question: I WOULD BE USING THIS MACHINE IN FIJI. MDF DELAMINATES OVER TIME HERE. HOW PROTECT THE FROM DELAMINATION?

Current Solution

I WOULD CONSIDER USING A BOARD MADE OUT OF CLOTH AND RESIN AND IS USED IN ELECTRICAL AREAS AS AN INSULATOR. IT IS USUALLY A DARK RED/BROWN IN COLOR AND COMES IN DIFFERENT SIZES. IT IS VERY STRONG AND HEAVY. I DO NOT RECALL THE NAME OF IT, BUT POWER COMPANY LINEMEN HAVE ACCESS TO IT AS IT IS USED IN HIGH VOLTAGE AREAS.

Response:
I FOUND A LINK FOR YOU TO SEE WHAT I AM DESCRIBING. HERE IS THE LINK.. www.electricalinsulationmaterial.com

Response:
Currently our machines are made out of MDO (Medium Density Overlay) plywood, and are used in the construction industry for cement forming. They come lightly coated for moisture protection. Some possibilities for protecting the machine could be:
Painting the structural parts with a oil based paint
Coating the structural parts with a protectant sealant (polyurethane)

Please try to avoid getting any coating or paints on the steel components.

Respond:

Other Possible Solutions to this Question

  • I would be using this machine in Fiji. MDF delaminates over time here. How would I protect the machine from delamination?

    I WOULD CONSIDER USING A BOARD MADE OUT OF CLOTH AND RESIN AND IS USED IN ELECTRICAL AREAS AS AN INSULATOR. IT IS USUALLY A DARK RED/BROWN IN COLOR AND COMES IN DIFFERENT SIZES. IT IS VERY STRONG AND HEAVY. I DO NOT RECALL THE NAME OF IT, BUT POWER COMPANY LINEMEN HAVE ACCESS TO IT AS IT IS USED IN HIGH VOLTAGE AREAS.

    Response:
    I FOUND A LINK FOR YOU TO SEE WHAT I AM DESCRIBING. HERE IS THE LINK.. www.electricalinsulationmaterial.com

    Response:
    Currently our machines are made out of MDO (Medium Density Overlay) plywood, and are used in the construction industry for cement forming. They come lightly coated for moisture protection. Some possibilities for protecting the machine could be:
    Painting the structural parts with a oil based paint
    Coating the structural parts with a protectant sealant (polyurethane)

    Please try to avoid getting any coating or paints on the steel components.

    Click the link to respond:
    I would be using this machine in Fiji. MDF delaminates over time here. How would I protect the machine from delamination?

  • USING MACH3, MY MACHINE STOPS IN THE MIDDLE OF A PROJECT. HOW CAN IT BE STARTED AGAIN FROM POINT STOPPED?

    Dealing with a mid-stop cut via Mach3, you will have to be careful if it is intentionally or unintentional. If you desire to stop your machine while in the middle of a cut be sure to stop it when the machine is moving in an upward motion on the z-axis and the X/Y-axis are stationary. Then you can choose the point (G-code) where the machine was left off and click on the Run from here button on the Program Run screen (left hand side) right above the Reset button.
    (Make sure spindle/router is running before hand!)

    Now if the machine stops unintentionally, and was moving in either the X/Y-axis, then it will be difficult to run the machine from the original point dealing with the coordinates might have been lost due the the machine continuing motion but via Mach3 the machine has stopped.

    If this occurs to fight this issue before hand, is marking your home with the spindle/router to make a hole were your home is. Although moving it manually back to home the machine can be off by the smallest amount and could cause an inconsistent cut. If accuracy is something that can not be risked, then you can home the machine about a 1/4" or 1/2" down from the original home to start your cut on the same material but loosing that small piece.

    Additional Information:


    Additional Information:
    My typical go to solution is:

    - Note the current g-code line where the machine stopped.
    - If Mach3 errored and you cannot control the machine, Exit Mach3 - you may find that reset, stop does nothing to stop the spindle. When you exit mach3, the spindle will stop automatically.
    - Restart Mach3. The DRO (Digital Readout) should show the correct coordinates where the machine position was before exiting Mach3.
    - Scroll to the g-code line where the machine stopped. You may need to go a few lines prior to make sure you are not skipping any machining operations (which is why it is a good idea to learn the basics of g-code - don't worry, it's easy)
    - Click on the "Run from Here" button.
    - Mach3 will present you with a "Preparation Move" dialog box with the location that it will move to. If the coordinates shows a position that is into the material, make sure to specify a rapid height (clearance height) so the machine will move up first and then move to the location before moving down into the material. If the spindle is automatically controlled by Mach3, make sure to check the turn spindle on checkbox. If not, make sure the router or spindle is on before clicking OK.

    Additional Information:
    My cnc router stops at gcode line 50,000 and cannot finish program. They are about 150k of lines total. I have Mach3 and have bought the additional line capability. Is 50,000 (or around that) the limit? Is Mach 4 hobby license better and in what ways? Thanks! Mike Huber

    Additional Information:
    If you have a license for Mach3, then you should be able to run g-code indefinitely. I think there is something else going on.

    Click the link to respond:
    USING MACH3, MY MACHINE STOPS IN THE MIDDLE OF A PROJECT. HOW CAN IT BE STARTED AGAIN FROM POINT STOPPED?

  • Using Mach3, my machine stops in the middle of a project. How can it be started again from the point it stopped?

    Dealing with a mid-stop cut via Mach3, you will have to be careful if it is intentionally or unintentional. If you desire to stop your machine while in the middle of a cut be sure to stop it when the machine is moving in an upward motion on the z-axis and the X/Y-axis are stationary. Then you can choose the point (G-code) where the machine was left off and click on the Run from here button on the Program Run screen (left hand side) right above the Reset button.
    (Make sure spindle/router is running before hand!)

    Now if the machine stops unintentionally, and was moving in either the X/Y-axis, then it will be difficult to run the machine from the original point dealing with the coordinates might have been lost due the the machine continuing motion but via Mach3 the machine has stopped.

    If this occurs to fight this issue before hand, is marking your home with the spindle/router to make a hole were your home is. Although moving it manually back to home the machine can be off by the smallest amount and could cause an inconsistent cut. If accuracy is something that can not be risked, then you can home the machine about a 1/4" or 1/2" down from the original home to start your cut on the same material but loosing that small piece.

    Additional Information:


    Additional Information:
    My typical go to solution is:

    - Note the current g-code line where the machine stopped.
    - If Mach3 errored and you cannot control the machine, Exit Mach3 - you may find that reset, stop does nothing to stop the spindle. When you exit mach3, the spindle will stop automatically.
    - Restart Mach3. The DRO (Digital Readout) should show the correct coordinates where the machine position was before exiting Mach3.
    - Scroll to the g-code line where the machine stopped. You may need to go a few lines prior to make sure you are not skipping any machining operations (which is why it is a good idea to learn the basics of g-code - don't worry, it's easy)
    - Click on the "Run from Here" button.
    - Mach3 will present you with a "Preparation Move" dialog box with the location that it will move to. If the coordinates shows a position that is into the material, make sure to specify a rapid height (clearance height) so the machine will move up first and then move to the location before moving down into the material. If the spindle is automatically controlled by Mach3, make sure to check the turn spindle on checkbox. If not, make sure the router or spindle is on before clicking OK.

    Additional Information:
    My cnc router stops at gcode line 50,000 and cannot finish program. They are about 150k of lines total. I have Mach3 and have bought the additional line capability. Is 50,000 (or around that) the limit? Is Mach 4 hobby license better and in what ways? Thanks! Mike Huber

    Additional Information:
    If you have a license for Mach3, then you should be able to run g-code indefinitely. I think there is something else going on.

    Click the link to respond:
    Using Mach3, my machine stops in the middle of a project. How can it be started again from the point it stopped?

  • I have a CNC Machine from China, and the Breakout Board is not Labeled. Is there any way to test the board using Mach3 to find out the pin designations? db25 bob

    (These steps are to be taken with precaution, due to the fact that we do not know the model or manufacturers specifications for your BoB)

    Here is a link to our CNC electronic videos(

    &list=PL122021172205E9AA&index=1).
    Try using this to compare the one you have to our older model version BoB, try setting up your X-axis to work wiring it to your driver and motor, and power supply.
    For further assistance email: customerservice@buildyourcnc.com

    I would recommend trying to contact them if possible to avoid any serious damages to your product.

    Click the link to respond:
    I have a CNC Machine from China, and the Breakout Board is not Labeled. Is there any way to test the board using Mach3 to find out the pin designations? db25 bob

  • I am using 5 limit switches on my 3 axis machine. I am using the usb controller for planet cnc. I would like to know where all the wires related to the limit switches get connected? A diagram would be helpful.

    The diagram for wiring the USB interface board is located here: https://buildyourcnc.com/item/electronicsAndMotors-electronic-component-USB-Controller-Breakout#prettyPhoto/2/

    Under the board illustration, there are three smaller diagrams of limit switch wiring. On each, there are two connections, the GND and the pin which are labeled at the ends of the circuit on the diagrams. The pin side would go to the axis label ++ or -- terminal (i.e. X++, or X--). The other end, labeled GND would connect to any ground terminal on the board.

    Click the link to respond:
    I am using 5 limit switches on my 3 axis machine. I am using the usb controller for planet cnc. I would like to know where all the wires related to the limit switches get connected? A diagram would be helpful.

  • If a person wanted a larger laser machine than what is offered would they simply mount a laser on one of the larger machines, or is there a problem with doing this?

    Adding a laser tube and supporting electronics and mirrors to larger milling machines is problematic unless a proper mount is provided, as in the greenBull CNC (https://buildyourcnc.com/item/cnc-machine-laser-spindle-combo-head).

    The existing larger machines (other than the greenBull CNC machine) are designed to be used as milling machines and the laser will not be able to be easily mounted on these machines. Modifications can be done to accomplish this task, but there is quite a bit of effort needed.

    Click the link to respond:
    If a person wanted a larger laser machine than what is offered would they simply mount a laser on one of the larger machines, or is there a problem with doing this?

  • Can you preset an origin point on this cnc? How long does it take to jog over? (If I have the case that I using the same thickness of maple wood, and same jig everytime)?

    Yes, you can preset an origin by zeroing the machine at the desired location before beginning your work. You can return to that exact point at any time, or you can specify an offset from that point to be the beginning point for the next machine operation (for instance when cutting several parts from one sheet of wood.) Jogging time varies by machine and application but would generally be a rapid move -- our default rapid setting is 400 inches per minute.

    Click the link to respond:
    Can you preset an origin point on this cnc? How long does it take to jog over? (If I have the case that I using the same thickness of maple wood, and same jig everytime)?

  • How many feet of wire would you typically use to wire 6 limit switches on a 5x machine? (using your suggested location for said switches)

    Let me check.

    Additional Information:
    We suggest wiring the X and Y axes. We haven't seen the need for wiring the Z axis, but that is totally up to the CNC user as their application may require this use.

    I measured 13 feet of cable for the X and Y limit switch connections on the greenBull 5X gantry (2 limit switches on one gantry side for X limits and 2 limit switches on the gantry front extremes for Y axis limits). You will need to estimate how much more cable you will need from the gantry to the control box that you are using. I generally estimate the extra to be measured from the end of travel on the x-axis to the middle of the x-axis travel and then where you would position the control box from there.

    Click the link to respond:
    How many feet of wire would you typically use to wire 6 limit switches on a 5x machine? (using your suggested location for said switches)

  • Would your CNC machines be able to have an optic camera to pick up registrations marks from a printer?

    You can modify our machines to have a camera to view your process and pick up registrations.
    Here you can see a one of our customers adding a webcam to his machine! (https://www.buildyourcnc.com/tutorials/Example-customer-blacktoe-clintW)

    Click the link to respond:
    Would your CNC machines be able to have an optic camera to pick up registrations marks from a printer?

  • If using a grease how does one protect leadscrews and rails from corian dust etc.

    If you have abrasive particles in the air from milling, you will want to periodically clean the mechanical parts like the lead screw and anti-backlash nuts. After cleaning the parts, all of the high friction parts that will be in constant contact, lubricating the parts with oils, grease or other lubricants. If the part is of steel material, that material will definitely need to be oiled, greased or lubricated so minimal oxidation will affect the exterior of the steel parts.

    The anti-backlash nut is made of Delrin, so petroleum chemicals like oils, grease or lubricants are ok to use. Abrasive particles may affect the anti-backlash nut over time; however, the spring and bushing of the anti-backlash nut will provide extensive use regardless of the wear.

    Click the link to respond:
    If using a grease how does one protect leadscrews and rails from corian dust etc.

  • its a long shot.. but i bought a machine from you around 2011.. any chance you would have record of the sale if i gave you some info?

    Please email customerservice@buildyourcnc.com for details about past orders.

    Click the link to respond:
    its a long shot.. but i bought a machine from you around 2011.. any chance you would have record of the sale if i gave you some info?

  • I built a machine using your original tutorial years ago. Do you still offer the code to run on this machine to make the 4x8 black toe?

    Dealing with orders a few years ago, we did supply the g-code files for the machines that were purchased. However we do not supply any files to recreate our machines at the current moment nor do we plan on giving them in the future.

    Click the link to respond:
    I built a machine using your original tutorial years ago. Do you still offer the code to run on this machine to make the 4x8 black toe?

  • Are there .dxf files or other files for the MDF parts in Combo #1 so that they may be cut using a CNC?

    No, at this time, we do not offer any .dxf or any other type of file to cut the pieces for the DIY Combo #1. Just the directions that you are already able to access with the dimensions in them.

    Additional Information:

    Click the link to respond:
    Are there .dxf files or other files for the MDF parts in Combo #1 so that they may be cut using a CNC?

  • I need a machine to cut guitar bodies. The bodies are 12" x 16" and 1.5" thick. What would work best?

    I would recommend using the blackToe CNC machine kit. The overall travel dimensions are 24" x 48" x 6". This will provide a bit of space on the sides as wiggle room if your guitar bodies are at the extremes of the 12". Also, if you are manufacturing may of these, the larger routing area, the more guitar bodies you will be able to cut at one time.

    Click the link to respond:
    I need a machine to cut guitar bodies. The bodies are 12" x 16" and 1.5" thick. What would work best?

  • I own a BlackToe cnc machine. The plastic threads with the spring over them broke. Where can i purchase a replacement part?

    If you're talking about the anti-backlash nut, ou can find replacements on our website here: https://buildyourcnc.com/CNCMachineMechanicalParts.aspx and here: https://buildyourcnc.com/CNCMachineMechanicalParts.aspx. If you have something else in mind, please contact us to further describe the part you need.

    Click the link to respond:
    I own a BlackToe cnc machine. The plastic threads with the spring over them broke. Where can i purchase a replacement part?

  • Every time the machine starts to cut a new pass it jumps +.033 inch on the x axis. Does anyone have any idea why it might do this?

    If an axis is showing play when there is force against the axis (force in the opposite direction imposed on the bit when cutting material), the problem may be in the mechanical system. If the mechanical system is roller chain and sprocket, or rack and pinion, check the sprocket or pinion gear to confirm the tightness of the set screw. If the mechanical system is a lead screw, confirm that the coupling is secured well to the lead screw and the motor shaft.

    Click the link to respond:
    Every time the machine starts to cut a new pass it jumps +.033 inch on the x axis. Does anyone have any idea why it might do this?

  • Would any of your CNC laser machines be appropriate 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:
    Would any of your CNC laser machines be appropriate for welding of thermoplastic materials?

  • Would any of your CNC laser machines be appropriate 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:
    Would any of your CNC laser machines be appropriate for welding of thermoplastic materials?

  • Would you be able to provide .DWG/.DXF files instead of .NC files for the CNC Routing Machine Kit Version 1.3 please?

    These files are no longer available. We suggest purchasing a kit, like the blackToe, or blackFoot as these kits are far more rigid and perform much better.

    https://www.buildyourcnc.com/blackToe2x4v40.aspx

    https://www.buildyourcnc.com/Item/cnc-machine-blackFoot-v4

    Additional Information:
    20

    Click the link to respond:
    Would you be able to provide .DWG/.DXF files instead of .NC files for the CNC Routing Machine Kit Version 1.3 please?

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