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Question #: 14593

Question: How do I determine what post processor I have on my shop built CNC. There are about a million to choose from on Vcarve Pro

Current Solution

You will probably have post processors like the following listed:
Mach2/3 ATC Arcs (inch)
Mach2/3 ATC Arcs (mm)
Mach2/3 Arcs (inch)
Mach2/3 Arcs (mm)
Mach2/3-WrapX2A ATC Arcs (inch)
Mach2/3-WrapX2A ATC Arcs (mm)
Mach2/3-WrapY2A ATC Arcs (inch)
Mach2/3-WrapY2A ATC Arcs (mm)

If you have an Automatic Tool Changer, use the post processor with the ATC in the name. For most applications and if you don't have an ATC (automatic tool changer), use the Mach2/3 Arcs (inch) or (mm) post processor.

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Other Possible Solutions to this Question

  • I purchased Mach3 from buildyourcnc dont know what verson i need to use in VCarve as the processor. There are 8 2/3Mach listed

    You will probably have post processors like the following listed:
    Mach2/3 ATC Arcs (inch)
    Mach2/3 ATC Arcs (mm)
    Mach2/3 Arcs (inch)
    Mach2/3 Arcs (mm)
    Mach2/3-WrapX2A ATC Arcs (inch)
    Mach2/3-WrapX2A ATC Arcs (mm)
    Mach2/3-WrapY2A ATC Arcs (inch)
    Mach2/3-WrapY2A ATC Arcs (mm)

    If you have an Automatic Tool Changer, use the post processor with the ATC in the name. For most applications and if you don't have an ATC (automatic tool changer), use the Mach2/3 Arcs (inch) or (mm) post processor.

    Click the link to add information to this solution:
    I purchased Mach3 from buildyourcnc dont know what verson i need to use in VCarve as the processor. There are 8 2/3Mach listed

  • I'm new to CNC and just finish building my router.I need software for my post processor and not sure if your product is what I need?

    You will need a CNC software that will control your router cnc machine, and your design CAD/CAM software will need to know the CNC software you plan on using so the post processor in the CAM software can create the g-code for the CNC control software. So if you have for example, Mach 3 and our parallel breakout board, you can use the Mach 3 post processor in your design software.

    Click the link to add information to this solution:
    I'm new to CNC and just finish building my router.I need software for my post processor and not sure if your product is what I need?

  • I want to purchase some items from your co. How do i go about it. I already have the buildyourcnc book and wand to begin.

    For purchasing on our website, our account log in is a safe way to keep your personal data at hand for future orders. However we do not keep any bank information in our systems, it is a single use system.

    Now dealing with the cnc book, you can view our web version of the book with a list of materials and hardware that will be needed here (https://www.buildyourcnc.com/cnckitintro.aspx).

    Adding the items to your cart in the quantity's needed, now for certain items for example, or ACME screws, and aluminum angles will require a total length needed, but the specific lengths required will have to be email here (customerservice@buildyourcnc.com) or called here (281-815-7701) with the completion of your order.

    Click the link to add information to this solution:
    I want to purchase some items from your co. How do i go about it. I already have the buildyourcnc book and wand to begin.

  • I just changed my X and Y to the ACME 1/2" 5 start lead screw. What are the motor tuning numbers. I have the book built machine.

    The settings that will have to be change will be your steps per inch in motor tuning (mach 3), or settings/axes(planetCNC). But we do not have the actual numbers/specs that will fit your 10 TPI 5 start lead screw, here is a tutorial video which explains how to get the exact numbers you need! (

    )

    Click the link to add information to this solution:
    I just changed my X and Y to the ACME 1/2" 5 start lead screw. What are the motor tuning numbers. I have the book built machine.

  • Do you know which BobCAD-CAM post processor works with your USB controller? Do you have a dll or command document to communicate with your USB controller?

    The BobCAD post processor that will work with the USB interface that uses the Planet-CNC software:

    According to the Planet-cnc folks, wincnc or mach3 post-processors should work. According to a representative at BobCAD, mach3 post-processor should work.

    Click the link to add information to this solution:
    Do you know which BobCAD-CAM post processor works with your USB controller? Do you have a dll or command document to communicate with your USB controller?

  • How do I get started I would like to build a cnc router. Making the machine I can do, but I am weak on cad,cam and mach3. I am thinking about a 4’x4’. Do you have plans I can buy?

    We are developing plans for our machine, but they are not completed yet. Please let me know if you would like to be added to our list of customers wanting plans. Thanks,

    Additional Information:
    If you have specific questions regarding CAD, CAM and Control, please add another question to the customer service and I will answer them in detail.

    Click the link to add information to this solution:
    How do I get started I would like to build a cnc router. Making the machine I can do, but I am weak on cad,cam and mach3. I am thinking about a 4’x4’. Do you have plans I can buy?

  • What else from you shop do I need to connect a #40 Drive Sprocket to my nema23 motor, its not so clear

    You will need a collar or adapter to connect the ID of the #40 sprocket (0.622") and a 1/4" collar with our OD (0.674"). We currently do not have anything in this nature.


    Additional Information:


    Additional Information:
    For a 1/4" input shaft the larger #40 sprocket, seem's pretty large for the 1/4" input shaft. So we recommend using a #25 sprocket and #25 roller chain with our NEMA-23 since it will be more compatible arrangement.

    Click the link to add information to this solution:
    What else from you shop do I need to connect a #40 Drive Sprocket to my nema23 motor, its not so clear

  • I built a 2' x 4' cnc about 2 years ago and bought all the plans and part through this website. My average 2D design takes approximately 35-40 minutes to complete. Is there a way to make my cnc faster?

    Yes, if you are using 1/2" standard allthread lead screw coupled to your stepping motors, you can increase the speed by changing the lead screw to 10 TPI 5 Start Lead Screws with antibacklash nuts. This will allow you to have up to 200-300 IPM (inches per minute) travel and cutting speeds.

    The reason why the feedrate and jogging speed is faster is because the lead screw will travel a farther distance for each turn of the motor. A standard allthread will only travel one inch after 13 turns of the motor. The above (link below) 5 start 1/2" lead screws will travel one inch with only 2 turns of the motor! That is a drastic difference and you will get more torque from your motor since most of the torque is present at low speeds.

    Lead screw link:
    https://buildyourcnc.com/item/mechanical-leadscrews-lead-screw-!5-5-starts-10-tpi

    Antibacklash nut link:
    https://buildyourcnc.com/item/mechanical-leadscrews-antibacklash-nut-!5-5-starts-10-tpi

    Click the link to add information to this solution:
    I built a 2' x 4' cnc about 2 years ago and bought all the plans and part through this website. My average 2D design takes approximately 35-40 minutes to complete. Is there a way to make my cnc faster?

  • My Question is about the 2.2kw spindle, because the thread start is so small I have a hard time centering the collet before it binds from tighting what have others done to overcome this

    Can you see any damage to the beginning of the thread on the shaft of the spindle, or any damage to the thread on the inside of the collet nut?

    Additional Information:
    There is no damage, I cannot put a tool in without removing the nut and collet when I go to tighten it, it starts to seat the collet and if I cannot hold the tool just right it is off center

    Additional Information:
    The ER collets should actually snap in to the collet nut, which eliminates that issue

    Additional Information:
    The ER collets should actually snap in to the collet nut, which eliminates that issue

    Additional Information:
    The ER collets should actually snap in to the collet nut, which eliminates that issue

    Click the link to add information to this solution:
    My Question is about the 2.2kw spindle, because the thread start is so small I have a hard time centering the collet before it binds from tighting what have others done to overcome this

  • What do I need to purchase from you to get me running. I have planet cnc control board but it is difficult contacting them when I need help.

    Software specific questions for Planet-CNC will have to come from them or other sources as we are not fully equipped to troubleshoot all issues. If the issue is related to motor tuning or setup involving our electronics, then we will gladly assist you. You may contact techsupport@buildyourcnc.com with inquiries.

    Click the link to add information to this solution:
    What do I need to purchase from you to get me running. I have planet cnc control board but it is difficult contacting them when I need help.

  • I have a New Hermes Vanguard 4000. It has an IS controler. I know nothing about these machines. What can I do to make it usable?

    Yes the CNC will do 3D wood carving and we can ship to Mexico. email sales@buildyourcnc.com for more information.

    Click the link to add information to this solution:
    I have a New Hermes Vanguard 4000. It has an IS controler. I know nothing about these machines. What can I do to make it usable?

  • How to determine lead screw length needed. My Thomson 1 1:4 rails are 60 inches long roughly for the router I’m building. I know I have to have it long enough to couple up with the stepper motor of course but does it matter if it’s a little long on the other end

    It generally does not matter if it is longer at the other end as long as the lead screw provides the desired travel for that axis. The lead screw will only need to be long enough for the travel, plus any structure and lead-nut positioning.

    For example:
    - The motor that will turn the lead screw will need to be mounted at some position (generally at one end of the axis). In many cases, this positioning will be mounted where some of the lead screw will not be used (the lead nut will not be able to moved close to the coupling of the lead screw to the motor shaft). Add some of the length of the lead screw to be inserted into the coupling.

    - If the lead screw will contain bearings at either end of the travel, that portion of the mechanical assembly will need to be considered in the lead screw length.

    - The lead-nut will need to be mounted in a position on a structural member of the part that is to move. The distance from the part of the structure that will extend closest to the motor will have some distance to the position of the lead nut. This distance will need to be added to the lead screw length.

    Add these discrepancies to the length of the lead screw and the travel length and you will have the final length.

    Click the link to add information to this solution:
    How to determine lead screw length needed. My Thomson 1 1:4 rails are 60 inches long roughly for the router I’m building. I know I have to have it long enough to couple up with the stepper motor of course but does it matter if it’s a little long on the other end

  • I have a KL-4030 stepper motor driver that I only have about an hour use on it but seems to be bad already. Has anyone out there had the same problem?

    The KL-4030 is a Keling 3.0 amp stepper motor driver. These are generally pretty robust drivers. You mentioned in the question that it worked for one hour. This sounds like it could be a contact issue with the wiring in the terminals. I would recommend that you check all of the connections. The terminals that are used in these drivers have terminals that are easily used incorrectly.

    Make sure to open the terminal all the way using a small screw driver. Then insert the exposed wire into the opening and re-tighten the terminal. Make sure of a good connection by tugging on the wires.

    Also, check kthe digital wires that connect from the driver to the control board.

    Click the link to add information to this solution:
    I have a KL-4030 stepper motor driver that I only have about an hour use on it but seems to be bad already. Has anyone out there had the same problem?

  • I have a "Based on planet-cnc's diy cnc usb controller", I activated the output signal (mist, coolant or spindle) in the planetcnc software but at the output there is no voltage, what can I do to turn on this elements?

    On the Planet-CNC board, the Mist, Spindle and Coolant outputs will require a relay to switch on those devices. Test one of those terminals with a multi-meter (Mist, Coolant, or Spindle). Each of these terminals have a GND next to the terminal for the device.

    Test the voltage across the GND to the terminal with the arrow that you want to test. Go to the software and click on the device you want to test (mist, coolant or spindle) and note the voltage. If no voltage is output then check under the board to where the terminals are soldered. Re-test the terminals across the solder joints rather than the terminal block wire inputs. If you get a voltage, then there is a problem with the terminal block. If you don't get a voltage, then the board is not functioning properly.

    Additional Information:
    I activated the output signal.. I did the tests indicated and I did not get voltage. I heated the welds of the three outputs and now works coolant but no mist or spindle, what should I do?

    Additional Information:
    There are probably cold joints on the board at the chip or the resistors on the traces for those terminals. You can send the board back to us and we will repair and test the board.

    Click the link to add information to this solution:
    I have a "Based on planet-cnc's diy cnc usb controller", I activated the output signal (mist, coolant or spindle) in the planetcnc software but at the output there is no voltage, what can I do to turn on this elements?

  • I have a "Based on planet-cnc's diy cnc usb controller", I activated the output signal (mist, coolant or spindle) in the planetcnc software but at the output there is no voltage, what can I do to turn on this elements?

    On the Planet-CNC board, the Mist, Spindle and Coolant outputs will require a relay to switch on those devices. Test one of those terminals with a multi-meter (Mist, Coolant, or Spindle). Each of these terminals have a GND next to the terminal for the device.

    Test the voltage across the GND to the terminal with the arrow that you want to test. Go to the software and click on the device you want to test (mist, coolant or spindle) and note the voltage. If no voltage is output then check under the board to where the terminals are soldered. Re-test the terminals across the solder joints rather than the terminal block wire inputs. If you get a voltage, then there is a problem with the terminal block. If you don't get a voltage, then the board is not functioning properly.

    Additional Information:
    I activated the output signal.. I did the tests indicated and I did not get voltage. I heated the welds of the three outputs and now works coolant but no mist or spindle, what should I do?

    Additional Information:
    There are probably cold joints on the board at the chip or the resistors on the traces for those terminals. You can send the board back to us and we will repair and test the board.

    Additional Information:
    If you want to troubleshoot this yourself, take a very close look at the traces from the terminal and follow them to the tiny resistors, then to the legs of the chip. If you see any bad or bridged solder joints, then those will need to be re-touched. It will take a somewhat experienced soldering individual to accomplish this task and will require flux to make sure the solder joints are fully joined.

    Click the link to add information to this solution:
    I have a "Based on planet-cnc's diy cnc usb controller", I activated the output signal (mist, coolant or spindle) in the planetcnc software but at the output there is no voltage, what can I do to turn on this elements?

  • I bought and downloaded about 2 years ago, recently my PC that I use for my CNC crashed and now have to reinstall Mach3 but the license download has since expired. What I need to do to activate the software?

    I can send you a new license. All you need to do is email me at customerservice@buildyourcnc.com and state the name the license is under and I will send you another license.

    Click the link to add information to this solution:
    I bought and downloaded about 2 years ago, recently my PC that I use for my CNC crashed and now have to reinstall Mach3 but the license download has since expired. What I need to do to activate the software?

  • 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 add information to this solution:
    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

  • What are the specs for the stepper motors on the Bluechick? How much for shipping to Toronto, ON, Canada? Is there duty for shipping to Canada?

    Here is the answer to your first questions regarding the blueChick motors:
    https://buildyourcnc.com/FAQ/9024

    The shipping of the blueChick CNC will depend on if the machine is assembled or not. There is a duty for international orders, but I am unsure of the cost in other countries other than the US.

    Thanks

    Click the link to add information to this solution:
    What are the specs for the stepper motors on the Bluechick? How much for shipping to Toronto, ON, Canada? Is there duty for shipping to Canada?

  • Do you have a diagram on how to connect the vfd so the CNC controller box can turn the spindle on and off whenever i start a job?

    The following videos are helpful when connecting the VFD to a pokeys57CNC controller; however, there is useful information on the external terminals of the VFD and how to connect the VFD to any controller using a relay. Additionally, the videos have useful information on how to program the VFD.

    Start and stop for spindle
    https://youtu.be/0SLFuM4tzuU

    Speed control:
    https://youtu.be/pA69t1ZLY2s

    The following video uses the Mach3 usb controller to control a spindle.

    Click the link to add information to this solution:
    Do you have a diagram on how to connect the vfd so the CNC controller box can turn the spindle on and off whenever i start a job?

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