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Question #: 1105

Question: If I wanted to use the blueChick for isolation routing, what accuracy could I expect from v3.0 and v4.2?

Current Solution

The blueChick v4.2, is accurate at 1000's of an inch, with the roller chain, the v3.0 with the timing belt will increase the accuracy by 5%-10%, but to the expense of structural integrity.

Additional Information:

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Other Possible Solutions to this Question

  • with the blueChick v4.2 can any software be used or doo we need to purchase a lic key from the manufacture of the control board for 75 bucks

    If you have the USB controller you will need to purchase a USB controller license from planet-cnc.

    Click the link to respond:
    with the blueChick v4.2 can any software be used or doo we need to purchase a lic key from the manufacture of the control board for 75 bucks

  • im from mexico, and i want to know if you could send something here, and what is the type of currency?

    Yes, we can send to international countries. Our currency is in USD (US Dollars). In the cart, you will find the shipping carriers and methods possible to ship to your country when you click on the "Calculate Shipping" button.

    Click the link to respond:
    im from mexico, and i want to know if you could send something here, and what is the type of currency?

  • WHAT LENGTH OF MOTOR CABLE SHOULD BE USED WTIH THE BLUECHICK V4.2

    The recommended total length of motor cable should be 15 feet for the blueChick v4.2

    Z - 6 feet
    Y - 5 feet
    X- 4 feet

    20 AWG 4 conductor

    If your drivers will be positioned farther from the machine, you may need longer cable.

    Click the link to respond:
    WHAT LENGTH OF MOTOR CABLE SHOULD BE USED WTIH THE BLUECHICK V4.2

  • one of my motors from the blackfoot kit goes back and forth rather than turning, the wiring hasnt changed since i bought it, what could be wrong?

    The motor shaft does not turn, but slides back and forth in an axial motion? Please submit additional information on this page.

    Additional Information:
    it goes one step then the next step in the other direction so it seems to just vibrate

    Additional Information:
    It sounds like this could be a bad driver? You can determine if this is the cause by connecting another motor to this driver to see if it still happens to the new motor plugged into that driver. This will either rule out the motor causing this, or if it is the driver.

    You can also possibly rule out the driver as well if you change the step and direction wires from another driver to the problem driver.

    Make sure you do these steps one at a time. It's best to consider a single variable at a time.

    Click the link to respond:
    one of my motors from the blackfoot kit goes back and forth rather than turning, the wiring hasnt changed since i bought it, what could be wrong?

  • What tolerance can I expect from your largest cnc machine and the laser cutter? Also, what depth can I get on the z axis?

    The largest CNC machine we make at this time (12/04/2015) is the GreenBull 6'x12' model. This model has 2 options for Z-axis travel.

    The short-z option has a total Z travel of 5.75 inches. From that you would subtract the length of the end mill used and the thickness of the spoil board to determine the maximum material thickness. (Example: If the end mill extends 1.25" from the collet and the spoil board is .75", then the material could be up to 5.75 - 1.25 - 0.75 = 3.75 inches in thickness). This is good for most sheet-type materials.

    The long-z option, used mainly for large 3D carvings, requires a custom frame and allows for up to 36" of travel.

    The tolerance of our machines, like any machine, depends on several variables. The major variables include the manufacturing tolerance, the type of machine control used, the precision of assembly, the thoroughness of maintenance, and the initial and ongoing calibration of the machine. Because we sell kits only most of these variables are outside our control. Therefore, we are hesitant to guarantee a certain level of tolerance for an end user. However, in our experience, tolerances of .001" are readily achievable with our machines.

    Click the link to respond:
    What tolerance can I expect from your largest cnc machine and the laser cutter? Also, what depth can I get on the z axis?

  • The motherboard on the computer I bought from you went out. What would you suggest. I have a laptop, could I use it and use a Mach3 USB interface board?

    Yes, you can use a laptop if you have a controller that uses a USB, like the Mach3 USB card. If you don't have that, you can purchase that part here:
    https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach3-USB-Board

    If you have a controller board that connects to a 25 pin connector, modern laptops will not be able to connect to that port.

    How old is your CNC computer system?

    Additional Information:
    The CNC computer system is 2013 (5 years). The built in video card went out. I will order the Mach3 USB card. Thank you.

    Additional Information:
    You're welcome

    Click the link to respond:
    The motherboard on the computer I bought from you went out. What would you suggest. I have a laptop, could I use it and use a Mach3 USB interface board?

  • HI, I HAVE INTENTION OF PURCHASING YOUR 1/2 INCH PRECISION LEAD SCREW SET TO BUILD MY CNC MACHINE, COULD THE SCHEMATIC DIMENSION ANTI-BACKLASH NUT, BEARING FOR AND SHIM? ALSO IS 2.2KW SPINDLE ABLE MILL ALUMINUM WHAT ACCURACY?

    BYCNC response:

    Milling aluminum is no problem with our machines.

    Here is a video we recently did with our 4'x8' machine. The aluminum piece is about 1/4" thick: https://buildyourcnc.com/tutorials/tutorial-greenbull-aluminum-cutting

    The accuracy you will see from our our 2.2kW spindle is entirely dependent on the precision of your build, so it's not possible to say what level of accuracy you can achieve without an examination of the complete system. However, our spindles have a runout of less than .0001 in, which includes the collets that we sell. If you use a collet from another manufacturer, we cannot guarantee this TIR (Total Indicated Runout) dimension.

    For the dimension drawing of the anti-backlash nut, please contact us directly by phone or email to techsupport@buildyourcnc.com

    User response:
    I have emailed waiting for your reply.

    User response:
    Hi, I am still waiting for your email reply.

    BYCNC response:
    Your email has been sent.

    Click the link to respond:
    HI, I HAVE INTENTION OF PURCHASING YOUR 1/2 INCH PRECISION LEAD SCREW SET TO BUILD MY CNC MACHINE, COULD THE SCHEMATIC DIMENSION ANTI-BACKLASH NUT, BEARING FOR AND SHIM? ALSO IS 2.2KW SPINDLE ABLE MILL ALUMINUM WHAT ACCURACY?

  • HI, I HAVE INTENTION OF PURCHASING YOUR 1/2 INCH PRECISION LEAD SCREW SET TO BUILD MY CNC MACHINE, COULD THE SCHEMATIC DIMENSION ANTI-BACKLASH NUT, BEARING FOR AND SHIM? ALSO IS 2.2KW SPINDLE ABLE MILL ALUMINUM WHAT ACCURACY?

    BYCNC response:

    Milling aluminum is no problem with our machines.

    Here is a video we recently did with our 4'x8' machine. The aluminum piece is about 1/4" thick: https://buildyourcnc.com/tutorials/tutorial-greenbull-aluminum-cutting

    The accuracy you will see from our our 2.2kW spindle is entirely dependent on the precision of your build, so it's not possible to say what level of accuracy you can achieve without an examination of the complete system. However, our spindles have a runout of less than .0001 in, which includes the collets that we sell. If you use a collet from another manufacturer, we cannot guarantee this TIR (Total Indicated Runout) dimension.

    For the dimension drawing of the anti-backlash nut, please contact us directly by phone or email to techsupport@buildyourcnc.com

    User response:
    I have emailed waiting for your reply.

    User response:
    Hi, I am still waiting for your email reply.

    BYCNC response:
    Your email has been sent.

    Click the link to respond:
    HI, I HAVE INTENTION OF PURCHASING YOUR 1/2 INCH PRECISION LEAD SCREW SET TO BUILD MY CNC MACHINE, COULD THE SCHEMATIC DIMENSION ANTI-BACKLASH NUT, BEARING FOR AND SHIM? ALSO IS 2.2KW SPINDLE ABLE MILL ALUMINUM WHAT ACCURACY?

  • What is processing and ship time for a bluechick? Tried to call but no answer and no space to leave a message.

    We try to have the product out for shipping within 48 hours. The shipping time can vary depending on the shipping option you choose, and the delays the shipper may have. Unfortunately we have no control over the product once the shipper has it.

    Click the link to respond:
    What is processing and ship time for a bluechick? Tried to call but no answer and no space to leave a message.

  • What do I do if I didnt recieve the y-axis rails, z-axis rails, or the roller chain for my bluechick (rollerchain)?

    Please contact us at customerservice@buildyourcnc.com so we can get the customer order # and customer info so we can send the replacements right away!!

    Click the link to respond:
    What do I do if I didnt recieve the y-axis rails, z-axis rails, or the roller chain for my bluechick (rollerchain)?

  • What's the cost of a Bluechick 4.2 with computer ready to go shipped to Reno NV. porter 892 set up.

    The price for the blueChick is here: https://www.buildyourcnc.com/blueChickVersion42CNCMachineKit.aspx

    You will want the kit without electronics that will cost $1360.00.

    Then you will need either the redSprout, or redLeaf CNC computer systems and the prices can be found here: https://www.buildyourcnc.com/AssembledElectronics.aspx

    The redLeaf has a bit more power and speed than the redSprout. You will need to purchase windows, found on that page, if you desire that OS to be installed. Otherwise, we will install Linux and linuxcnc. You will also need to purchase the length of motor wire that you need from the motors to the computer. This is variable and is determined by the position you wish locate the computer system with respect to the CNC machine.

    The shipping is determined at checkout. When you have the items in your cart, enter your shipping information and click on "calculate shipping". You will need to select your shipping preference, service and carrier.

    Click the link to respond:
    What's the cost of a Bluechick 4.2 with computer ready to go shipped to Reno NV. porter 892 set up.

  • I just wanted to know what I can expect to pay to build the blackFoot 4'x8' CNC machine, excluding computer, software and router? Is the kit complete or do I have to purchase additional items to finish?

    You will need to build the table unit for your machine. There are instructions on how to do this at the bottom of the product page here, https://www.buildyourcnc.com/Item/cnc-machine-blackFoot-v4
    There is no estimate on how much this will cost though, since there are too many variables involved to do this.

    - 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

    This answer is applicable to most of our machines with the exception of the greenLean and the blueChick since those machines are equipped with a table structure.

    Click the link to respond:
    I just wanted to know what I can expect to pay to build the blackFoot 4'x8' CNC machine, excluding computer, software and router? Is the kit complete or do I have to purchase additional items to finish?

  • What size stepper motors does the blueChick use?

    The blueChick uses NEMA 23 425 oz/in motors.

    Click the link to respond:
    What size stepper motors does the blueChick use?

  • What resolution and level of repeatability can one usually expect from a kit-built cnc, and is there a significant difference between timing belt and chain drive systems?

    Repeatability is very good for these machines and can be as low as .001" depending on the way you control the machine. If you use the spindle, you can be moderately aggressive, but you will want to use a finishing pass to make sure the edges are exactly what you would expect. since this is a kit, there will be varying levels of repeatibility depending on how well the kit is assembled and maintained. Calibration, as with all machines, is a critical aspect of keeping repeatibility over time.

    Timing belts and chain are about the same when it comes to precision as long as the chain wraps most of the drive sprocket. There are differences to each of these systems as Kevlar with steel cables impregnated within the Kevlar and the steel used in roller chain have different coefficients of linear expansion (the expansion and contraction over temperature change), and roller chain may stretch over time, so it is important to maintain the machine by tensioning the chain and timing belt, and calibrating the machine over time and when the temperature changes significantly.

    Click the link to respond:
    What resolution and level of repeatability can one usually expect from a kit-built cnc, and is there a significant difference between timing belt and chain drive systems?

  • Is there any precision or accuracy difference between the vertical and blacktooth lasers?

    I will address the two separately (precision and accuracy):

    Precision (repeatability):
    This is most closely related to the resolution. The blackTooth uses the same mechanical drive (timing belts and pulley) of the same ratios and specifications, so the two machines will be the same in this respect.

    Accuracy:

    The output of the machine (the final physical work) matching the input given to the machine (the design data or instructions for the machine to product the physical work. This has to do with both resolution and how well the machine will hold up over time and through environmental changes.

    With that said, both machines have very similar attributes in mechanics and structure. The overall structure is made of MDO (Medium Density Overlay) and has a very low coefficient of linear expansion with regards to temperature change, so accuracy will not be affected in any appreciable manner over time with the two machines. The Vertical Laser XL does use more industry standard rails to hold the heavy gantry, but this will be differ appreciably since the blackTooth will exhibit rigidity by virtue of its size.

    It really is best to consider the application and size as the main aspects of deciding between these two machines.

    Hope this helps.


    Additional Information:
    We're looking at getting the vertical so we can run both large and small jobs on the same machine. It sounds like running a small job on the vertical (using a positioning jig) would provide results at least as
    good as running the same job on the blacktooth. Does this sound about right?

    Click the link to respond:
    Is there any precision or accuracy difference between the vertical and blacktooth lasers?

  • I need technical support for your Bluechick CNC and I can't get a reponse on the phone.

    You may have called outside of our business hours. Give this "Customer Service Live" mechanism a try and ask away. If you would still rather call us, please call between 9:00am and 5:00 pm Central Time.

    Click the link to respond:
    I need technical support for your Bluechick CNC and I can't get a reponse on the phone.

  • I'm looking for a CNC which will mill 4x8 MDF/OSB and birch, as well as other 3/4" species. Previously I used a Shopbot and Partworks - can we expect the same performance from this?

    The greenBull 4x8 is designed specifically for heavy usage with a larger gantry and 3 large NEMA 34 651oz-in motors on each axis. You can expect superior performance from the greenBull since it is specifically designed for every day production of 4x8 sheets of material.

    Additional Information:


    Additional Information:
    The greenBull response was not an answer to my question. I'd still like to hear from users. There must be some suggestions comments from those that have built the machine?

    Additional Information:
    Strange that you got the response matching the greenBull answer. That was probably our automated "closest match". I would re-state the question and select the "no, the answer is not related" and let it hang out on the customer service page for a while to see if you get any bites.

    Click the link to respond:
    I'm looking for a CNC which will mill 4x8 MDF/OSB and birch, as well as other 3/4" species. Previously I used a Shopbot and Partworks - can we expect the same performance from this?

  • What are the specifications for the 2" strip brush as far as dimensions and width of the rubber top?

    The strip brush is .2 inches (5.23 mm) wide, so a slot of that width or slightly wider will work. We use a .25 inch groove and use glue to adhere the strip brushes in our dust shoe.

    The material of the bristles and the strip that holds the bristles are nylon.

    Click the link to respond:
    What are the specifications for the 2" strip brush as far as dimensions and width of the rubber top?

  • Received the bluechick today. Inventory shows I am missing 1/4" bearing #339 and 4 each 1/4" set screws #360-10536. What do I do to get them replaced? Thanks. Lml

    You need to either call us or email us, and provide the name you used when you ordered, so that we can find your order, as well as what parts you are missing.

    Click the link to respond:
    Received the bluechick today. Inventory shows I am missing 1/4" bearing #339 and 4 each 1/4" set screws #360-10536. What do I do to get them replaced? Thanks. Lml