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Question #: 13277

Question: Can you have interchangeable heads between plasma and milling head on same machine

Current Solution

Yes, you can simply disengage the spindle mount or z-axis assembly, and engage a plasma mount. There are many variables, however, depending on the machine.

Additional Information:
Thanks for the reply is there a preferred size table for the plasma milling option

Additional Information:
The size of the plasma or milling table will depend on how you apply the machine and what size sheet material you plan on cutting and milling. For the plasma work, remember to position a non flammable substance below where the plasma nozzle will be spraying. The particles ejected from the work-piece caused by the cutting action of the plasma nozzle can ignite flammable materials.

Respond:

Other Possible Solutions to this Question

  • Can you have interchangeable heads between plasma and milling head on same machine

    Yes, you can simply disengage the spindle mount or z-axis assembly, and engage a plasma mount. There are many variables, however, depending on the machine.

    Additional Information:
    Thanks for the reply is there a preferred size table for the plasma milling option

    Additional Information:
    The size of the plasma or milling table will depend on how you apply the machine and what size sheet material you plan on cutting and milling. For the plasma work, remember to position a non flammable substance below where the plasma nozzle will be spraying. The particles ejected from the work-piece caused by the cutting action of the plasma nozzle can ignite flammable materials.

    Click the link to respond:
    Can you have interchangeable heads between plasma and milling head on same machine

  • What is the difference between a NEMA 23 and NEMA 24 motor? can I use either one on a machine?

    The frame size difference of the NEMA 23 and 24 is very slight and, depending on the motor mount both will most likely fit. The bigger difference between these stepping motors is the torque. Make sure that the motor that you purchase has the appropriate torque for the axis that it will move.

    Is is safe to go with the higher torque? Or if the torque is too high for what i need is that bad?

    You can use a motor with higher torque. Just make sure to select the correct driver for that motor.

    Additional Information:
    The frame size has nothing to do with torque. Nema 23 means a 2.3" frame. Nema 24 means a 2.4" frame. That's all. Either could have more or less torque depending on speed and power.

    Click the link to respond:
    What is the difference between a NEMA 23 and NEMA 24 motor? can I use either one on a machine?

  • What is the difference between a NEMA 23 and NEMA 24 motor? can I use either one on a machine?

    The frame size difference of the NEMA 23 and 24 is very slight and, depending on the motor mount both will most likely fit. The bigger difference between these stepping motors is the torque. Make sure that the motor that you purchase has the appropriate torque for the axis that it will move.

    Is is safe to go with the higher torque? Or if the torque is too high for what i need is that bad?

    You can use a motor with higher torque. Just make sure to select the correct driver for that motor.

    Additional Information:
    The frame size has nothing to do with torque. Nema 23 means a 2.3" frame. Nema 24 means a 2.4" frame. That's all. Either could have more or less torque depending on speed and power.

    Click the link to respond:
    What is the difference between a NEMA 23 and NEMA 24 motor? can I use either one on a machine?

  • How can I convert from Xylotex to yours, four axis with limit switches. Have parallel PC and steppers on machine.

    Sure, the USB interface has a place for 4 axes of limit switches.

    Each axis can have two limit switches: one for the ++ (positive) end and one for the -- (negative) end. The positive end would be the limit switch at the end of the machine that, say the machine has a 4'x8' area, reaches a bit after the 8 foot mark. The negative end would be the limit switch behind the 0 foot location behind the origin. If the origin is in the middle, the negative would be at a little more than the -4 foot end and the positive would be at a bit more than the +4 foot end. Note that you can have more than one switch on each pin where the NC is connected in serial fashion and the NO is connected in parallel fashion (this can be seen on the diagram in the multiple limits switch section). The software configurations for the limits switches are under File -> Settings -> Limit.

    A typical limit switch has three connections on it. These connections consist of COM (common), NC (normally closed) and NO (normally open). The COM would generally go to GND and the NC or the NO would go to the pin. If the NC is used, then the the switch is constantly connected until the switch is pushed (engaged) then the connection from the pin to gnd is broken (open). Use the settings in software to set whether in NC or NO configuration.

    Let me know if this information was helpful (or not) by adding information to this question. Thanks.

    User response:
    Thank you very much for this helpful information. I'm still a little fuzzy on how the 6 limit switches physically connect to each other and to the USB breakout board. You've stated one switch (home) goes to positive and another switch (limit) goes to negative. Are all the GND prongs from all 6 switches connected to each other and going to GND on the breakout board, or no? And the NC prongs, how exactly are they connected to each other? And to the board? There has to be a diagram somewhere shows this visually, no? I don't know how to wire the switches in series or in parallel. I have already physically installed all the switches on the machine and ran the wires to where the board is. Now I just need to know where to plug these wires into the board. Also, taking into consideration that I'm using the Planet CNC software, the only settings I have pertaining to limit switches is "Enable/Disable" for each axis, and the actual limit for each axis. Nothing about NC or NO. Is that only in Mach3?
    Thank you.

    buildyourcnc response:
    On the USB interface, the COM on the switch connects to GND and the NC or NO connects to the input pin (i.e. x++, y--, etc.)

    Limit switch configuration is rather difficult to understand, especially with series and parallel. You can think of series as a single wire going from GND to the axis letter input terminal (i.e. X++ or X--). If the wire is broken, then the circuit is open (or the switch is engaged in a normally closed scenario). Normally closed is like an actual wire, and when engaged, the switch "opens" (breaks the wire). This is why we recommend in some systems that you can put many switches in series on a single pin. When one of the switches is engaged (breaking the connection) then the entire circuit of switches is broken and the machine stops.

    In a parallel scenario, the state of the circuit is always broken until the one of the switches is engaged and the circuit is then closed or connected. The topology looks like a ladder. All the switches connect to both sides of the ladder and the switches are like the runs of the ladder (the horizontal bars that the feet are placed while climbing). Imagine all of the switches broken in this scenario (normally open). It would be like the ladder could be split in two, but if one of the ladder runs (switches) is closed by engaging it, then that run would connect both sides of the ladder and the two sides of the ladder would have a connection.

    There is a diagram on the USB page of the various limit switch configurations. If you need more information (visual and/or otherwise), please let us know and we will immediately add that information to benefit everyone.

    Click the link to respond:
    How can I convert from Xylotex to yours, four axis with limit switches. Have parallel PC and steppers on machine.

  • DO NEED TO SQUARE UP THE MACHINE AND IF SO YOU HAVE INSTRUCTIONS OR VIDEO FOR THIS?

    The eyebolts are used in the squaring of the machine. I would use a standard carpenters square and first run the end mill along the edge of the square to first make it parallel with the long axis. Then run the end mill along the other edge with the short axis and adjust the eye bolts and chain according to the angle that the machine is out of square.

    Click the link to respond:
    DO NEED TO SQUARE UP THE MACHINE AND IF SO YOU HAVE INSTRUCTIONS OR VIDEO FOR THIS?

  • I can't spot the differences between 4'x8' blackFoot and the 4'x8' greenBull (except for laser head option): please, can you tell me?

    Only our greenBull CNC machines will be able to use the long Z-axis, due to structural construction of the greenBull over the blackFoot.
    The height from the table top to the bottom of the gantry is: 4.25"

    Both the maximum cutting height and diameter, will be dependent on the specific end mill/router bit you plan on using, since they can vary in length.
    The maximum cutting height (useful to engrave or cut material)is: with spoil-board 3.875", without a spoil-board is 4.625"
    The maximum diameter will (estimated) is: 3"

    Specifically dealing with our greenBull long Z-axis CNC machines, depending on how you specifically design the table you can have more cutting height and a larger diameter clearance. If you only create a frame for the machine with a hollow center(adjustable midsection), allowing you to have a greater clearance.
    Similar table image here: (https://buildyourcnc.com/Item/cnc-machine-greenBull-v4-6X#prettyPhoto/5/)

    Click the link to respond:
    I can't spot the differences between 4'x8' blackFoot and the 4'x8' greenBull (except for laser head option): please, can you tell me?

  • I want to cut the ends of steel pipes circularly as preparation for welding by plasma cutter , can you supply small machine?

    Yes, we can supply the parts for a machine that will turn pipes so they can be cut as they are turning. Are you intending the machine to cut using a milling process, or a plasma process?

    Click the link to respond:
    I want to cut the ends of steel pipes circularly as preparation for welding by plasma cutter , can you supply small machine?

  • Im from chile have you ever send any machine to south america? can i buy only the mechanic and electronic things ( wood parts are much weight)

    We have sent machines everywhere across the globe and we can work with freight companies to get you a good rate on a shipment. Please email sales@buildyourcnc.com to request a quote.

    Click the link to respond:
    Im from chile have you ever send any machine to south america? can i buy only the mechanic and electronic things ( wood parts are much weight)

  • can you please clarify exactly what I receive w/ 5' x 10' CNC machine kit and what additional items I would need to have a fully operational machine?

    PC with parallel port and USB port
    20awg stranded wires for the motors - http://www.buildyourcnc.com/electronicscombo.aspx
    18awg stranded wires for power supply to drivers
    24awg stranded wires for breakout board to drivers
    (location and spacing of components varies from one person to another, so we do not provide cables/wires)
    - General purpose extension cord (cut the female end off) to provide power to power supply
    - USB cable to power breakout board
    - Parallel cable to communicate to breakout board
    - Router
    - (optional - instead of router) Spindle with power inverter http://www.buildyourcnc.com/SpindlesAndAccessories.aspx
    - (if purchasing spindle with inverter) General purpose extension cord (240v) (cut the female end off) to provide power to power inverter
    - End Mill(s) http://www.buildyourcnc.com/ProductsEndMills.aspx
    - CAD, and/or CAD-CAM software (to produce geometry, machine operations, and g-code) http://www.buildyourcnc.com/CNCsoftware.aspx
    - CNC control software (to read g-code and control machine) http://www.buildyourcnc.com/CNCsoftware.aspx
    - If the machine does not have the table included, then a table will need to be built. The rails, chain and chain mounts are included that are used on this table.

    Click the link to respond:
    can you please clarify exactly what I receive w/ 5' x 10' CNC machine kit and what additional items I would need to have a fully operational machine?

  • CAN YOUR PRODUCTS OF MACHINES BE USED TO CREATE PLASMA TABLE?

    The plasma nozzle must be close to the cutting area and you will need some way to keep the nozzle at the right level with some type of device. The spray is downward, so you will need a contained area with a sheet of water at the bottom to extinguish he spray. You should have no problem using our machines for this application since you would need to product the table bed.

    Click the link to respond:
    CAN YOUR PRODUCTS OF MACHINES BE USED TO CREATE PLASMA TABLE?

  • I HAVE YOUR MACH3 USB BOB, DO YOU GUYS SELL A TORCH CONTROL RELAY CAN WIRE UP TO TURN MY PLASMA ON AND OFF HOW WOULD WIFE THAT TOO THIS BOB?
  • How should I control a plasma torch, spindle and a laser on my CNC machine?

    It will depend on how you configure the machine to use the Laser and plasma. Is the laser on a separate gantry? That will determine the way you will connect the laser control system or if you use a typical CNC controller. The plasma will need inputs of THC on, THC up, THC down and outputs to trigger the plasma torch. I recommend the Pokeys57CNC for the plasma and you can also fire the laser with it, but you will not be able to do engraving with the laser unless you use a laser controller. If you use a laser controller, you will need to either build circuitry to switch the digital signals from which controller you will be using, or if you have the laser on a separate gantry, you can use a traditional laser controller connected to the stepper motor drivers on that gantry.

    Users response:
    I was planing on using same gantry, and installing plasma and laser module on z axis along the side with current router. Perhaps if it’s needed installing another z axis on current z axis. So that when I use plasma, router z will be homed and plasma z axis will be able to utilize thc.

    When you say “If you use a laser controller, you will need to either build circuitry to switch the digital signals from which controller you will be using,”
    If i install laser controller, pokeys and router motion card, do you mean all ( axis and router/laser/plasma) signals or just the one that controls router/laser/plasma?
    I was wondering if I could jump (parallel connect) axis signals from card to card without ?
    Also do you prefer ethernet card or usb?
    I really do appreciate your help :) thanx again.

    Buildyourcnc response:
    Not a problem at all.

    Remember that with all of that weight on the z-axis, you will not be able to do efficient raster style engraving.

    By putting the laser on another gantry, say at the far end of the table, then you would be able to use a laser controller that controls its own stepper motors and the nozzle can have fast swing motion for engraving. With the laser on the z-axis of the spindle (like see on the greenBull), you will only be able to do vector motions for the laser.

    You can also have a CNC interface and laser controller controlling the same stepper motor drivers, but you will need a few tri-state buffer chips where you can use a toggle switch for which controller has control of the drivers.

    Click the link to respond:
    How should I control a plasma torch, spindle and a laser on my CNC machine?

  • I was told you have some free CNC machine plans. I can't find them. Where are they?

    We do not offer any free plans. We offer the CNC Scratch Build Kit which includes plans to build a CNC machine from scratch. You can find more information about this by clicking on this link https://buildyourcnc.com/cnckitintro.aspx

    Additional Information:
    WTF!! It says right on your utube page free plans available. I'll paste it from Utube right here.(DIY CNC Router for Under $900 - Free Plans Available) Very misleading, I spent a lot of time looking for this stuff and am lucky I found this because apparently none of its available for free. Very misleading, dishonest sales tactics. I'm sure you've made money conning honest people out of there money but your not gonna get shit from me. After reading what other people here have written, and the fact that you lie about the cost, at least on UTUBE, It is clear your a liar and a piece of shit. carry on though by all means and continue making money being a liar.

    Click the link to respond:
    I was told you have some free CNC machine plans. I can't find them. Where are they?

  • 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?

  • I have an Eagle Plasma table and I want to add a 40 laser. Can you supply me a list of what I need to make this happen.
  • On the blackFoot 4'x8' CNC machine do you have the instructions under one file that I can download, I want to print them out and make notes as I am building the machine.

    WE don't have an actual file that contains the instructions for the machines as they are a part of a larger database file that is queried during the product page's rendering in the browser. The best option would be to print the webpage on a printer and use that as notes.

    I know this will not provide larger images, but you could use the paper version to write your notes while assembling the machine using the larger images on the website.

    Click the link to respond:
    On the blackFoot 4'x8' CNC machine do you have the instructions under one file that I can download, I want to print them out and make notes as I am building the machine.

  • Just purchased the book "Build Your Own CNC Machine". Can I get hardware and electronics kits and how?

    The electronics (stepper motors, drivers, power supply and interface board) can be found here:
    https://www.buildyourcnc.com/item/electronicsAndMotors-3axis-425-elcombo

    If your computer cannot connect to the parallel breakout board (the interface card), just make sure to inform us that you need the USB alternative.

    Click the link to respond:
    Just purchased the book "Build Your Own CNC Machine". Can I get hardware and electronics kits and how?

  • I have your mach3 USB BoB, do you guys sell a torch control relay I can wire up to turn my plasma torch on and off and how I would wife that too this BoB?
  • My plasmacam cnc machine has servo motors with an optical encoder to provide position sensing. Can the pokeys57 cnc controller and drivers run those servos?

    Yes, the Pokeys57CNC can control standard CNC or plasma machine servos as servo drives accept step and direction signals just like stepper motors.

    Click the link to respond:
    My plasmacam cnc machine has servo motors with an optical encoder to provide position sensing. Can the pokeys57 cnc controller and drivers run those servos?

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