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Question #: 9051

Question: Anyone having a deflection problem with onsrud compression 1/4 bit

Current Solution

We can't speak to the specific endmill you are using, but can provide some general information about tool deflection. In general, anything that increases rigidity of the cutter will minimize deflection and vice versa. Mathematically, deflection is directly proportional to the cube of the length divided by the fourth power of the diameter.

Practically speaking, with all else equal, cutter diameter will have the largest impact on deflection (bigger being better), followed by stickout (the amount of cutter extending past the collet) which should be minimized, and finally number of flutes (fewer cuts in the metal = more rigidity).

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Other Possible Solutions to this Question

  • PROBLEM WITH LIMIT SWITCHES TRIGGERING

    Are you using shielded wire? If so, take the shield to ground. If there are any other wires in the cable that is not being used, ground those as well. The customer can also try moving the cables as far away as possible from the motor wires and motors.

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    PROBLEM WITH LIMIT SWITCHES TRIGGERING

  • I have your Nema 24 electronics kit and am having problems with the Z axis dropping over time. I am using a PC 8902 motor. Any ideas on what the problem is? What should be the motor tuning values in Mach3? Thanks

    Make sure all your bolts/screws are tighten correctly and if using a lead screw make sure your anti-backlash nut is not offset. Now a default setting will be 10101100 for your driver dip switch settings and in motor tuning (mach3) 1600 steps per, 400.02 velocity, 4 in acceleration. now the acceleration and velocity can be adjusted to move your machine faster, but if set to high they could stall. Make sure you have the correct wiring from your motor to your driver (https://www.buildyourcnc.com/Documents/PN.SM60HT86-2008BF-U%20(inhouse%20PN.60BYGH303-13)%20(1).pdf).

    Click the link to add information to this solution:
    I have your Nema 24 electronics kit and am having problems with the Z axis dropping over time. I am using a PC 8902 motor. Any ideas on what the problem is? What should be the motor tuning values in Mach3? Thanks

  • THE DUST SHOE HAS STIFF BRISTLES, IS THERE PROBLEM WITH MOVING Z-AXIS DOWN SINCE BRISTLES PUSH AXIS SIDEWAYS

    A couple things to consider, the machine is most likely moving sideways, so the bristles won't be a problem. The lead screw has a very hight mechanical advantage and the bristles don't pose an issue with this. We have not found that the bristles cause any appreciable deflection to the work we do in our shop; however, you can change the brush for a more pliable plastic, or reduce the number of bristles by selectively pruning.

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    THE DUST SHOE HAS STIFF BRISTLES, IS THERE PROBLEM WITH MOVING Z-AXIS DOWN SINCE BRISTLES PUSH AXIS SIDEWAYS

  • HOW SERIOUS A PROBLEM INFLUENZA (THE FLU) IN THE U.S.?

    Influenza is the most frequent cause of death from a vaccine-preventable disease in the United States. From 1990 through 1999, an average of approximately 36,000 influenza-associated pulmonary and circulatory deaths occurred during each influenza season. In addition to fatalities, seasonal influenza is also responsible for more than 200,000 hospitalizations per year. Rates of infection from seasonal influenza are highest among children, but the risks for complications, hospitalizations, and deaths are higher among adults ages 65 and older, children younger than 5 years, and people of any age who have medical conditions that place them at increased risk for complications from influenza.

    A novel H1N1 virus was first detected in March of 2009 and quickly spread to pandemic levels. In the U.S., it is estimated that approximately 43-89 million persons became ill with 2009 pandemic H1N1 from April 2009 to April 2010. The virus also resulted in significant hospitalizations and deaths among children, adults 19-65 years, obese persons, and pregnant and post-partum women.

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    HOW SERIOUS A PROBLEM INFLUENZA (THE FLU) IN THE U.S.?

  • I AM CURRENTLY HAVING SOME PROBLEM SQUARING THE GANTRY AND MY STEPS PER INCH ARE NOT 1422.22 ACCORDING TO YOUR CALCULATIONS IN AUTO SET UP THEY COME OUT LIKE 1416.#### THIS A BIG DEAL?

    Your steps per inch will vary. I suggest watching my calibration video.

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    I AM CURRENTLY HAVING SOME PROBLEM SQUARING THE GANTRY AND MY STEPS PER INCH ARE NOT 1422.22 ACCORDING TO YOUR CALCULATIONS IN AUTO SET UP THEY COME OUT LIKE 1416.#### THIS A BIG DEAL?

  • HOW SERIOUS A PROBLEM INFLUENZA IN THE U.S.?

    Influenza is the most frequent cause of death from a vaccine-preventable disease in the United States. From 1990 through 1999, an average of approximately 36,000 influenza-associated pulmonary and circulatory deaths occurred during each influenza season. In addition to fatalities, seasonal influenza is also responsible for more than 200,000 hospitalizations per year. Rates of infection from seasonal influenza are highest among children, but the risks for complications, hospitalizations, and deaths are higher among adults ages 65 and older, children younger than 5 years, and people of any age who have medical conditions that place them at increased risk for complications from influenza.

    A novel H1N1 virus was first detected in March of 2009 and quickly spread to pandemic levels. In the U.S., it is estimated that approximately 43-89 million persons became ill with 2009 pandemic H1N1 from April 2009 to April 2010. The virus also resulted in significant hospitalizations and deaths among children, adults 19-65 years, obese persons, and pregnant and post-partum women.

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    HOW SERIOUS A PROBLEM INFLUENZA IN THE U.S.?

  • With a 1/2 lead screw what is the optimal steps for the stepper motor driver 1/16, 1/8, 1/4 etc

    We typically use a 1/4 microstepping for lead screws, but you want to determine the microstepping only after you determine what resolution you want on that axis of the machine.

    The formula:
    Resolution is steps per inch or steps per milimeter

    I will go over this using steps/inch:
    steps = motor steps x driver microstepping
    inch = the amount of travel with one full stepper motor rotation

    In the case of our 1/2" 5 start 10 TPI lead screw, the axis will travel .5 inches with one stepper motor rotation.

    Let's use 1/4 microstepping (4 microsteps for each stepper motor step)

    Therefore:
    (200 steps x 4) / .5 inches =
    800 steps / .5 inches =
    1600 steps/inch

    Now let's use 1/2 microstepping (2 mistrosteps)

    (200 steps x 2) / .5 inches =
    400 steps / .5 inches =
    800 steps/inch

    Remember that increasing microsteps, the torque is also reduced, but the smoothness from the motor is increased.

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    With a 1/2 lead screw what is the optimal steps for the stepper motor driver 1/16, 1/8, 1/4 etc

  • Can I get a receipt of my online order? I ordered it without having An account.

    Give us a call and we will email you a receipt immediately.

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    Can I get a receipt of my online order? I ordered it without having An account.

  • Are the Assembled CNC Electronics Systems compatible with a laptop?

    Our Computer CNC-systems, come integrated with all the required electronics (motherboard, HDD, PSU). Only input devices(mouse, keyboard, monitor) and software are required to be purchased separately, to have a complete ready to go system.

    Here (https://www.buildyourcnc.com/AssembledElectronics.aspx) you can see the available option of including windows 7 to be installed with our computer system.

    You can use an external HDD or Flash-drive, to transfer data from your laptop/computer to the built in computer system.

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    Are the Assembled CNC Electronics Systems compatible with a laptop?

  • Can you supply a quote for a 4 axis combo kit with NEMA 17 Motors

    To select a 4 axis NEMA 17 motor and driver combination, you will need the following:

    - Four (4) NEMA 17 motors: https://buildyourcnc.com/item/electronicsAndMotors-nema17-62ozin-NEWBIEHACK-motors-stepping_motor-62_ozin

    - Four (4) drivers, either the 2.5A: https://buildyourcnc.com/item/motion%20electronics-steppermotordriver-newbiehack-Motor_Drivers-2!5_Amp_modular or the 3.0A: https://buildyourcnc.com/item/electronicsAndMotors-stepper-driver-3!0a

    - One (1) Power supply, either the 24V or 36V (recommended): https://buildyourcnc.com/item/electronicsAndMotors-power-supply

    - Finally, an interface is needed, either parallel, or USB. The USB works with planet-cnc software only. The parallel interface works with all major CNC control software: https://buildyourcnc.com/category/breakout

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    Can you supply a quote for a 4 axis combo kit with NEMA 17 Motors

  • DO WE HELP ANYONE DIDN'T PURCHASE FROM US?

    This will depend on a case by case situation. Nonetheless, we can't offer any technical support for other's product because we are not familiar with how it works.

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    DO WE HELP ANYONE DIDN'T PURCHASE FROM US?

  • LIMIT SWOTCXH PROBLEM

    This is a common problem. Are you using shielded wire? If so, take the shield to ground. If there are any other wires in the cable that is not being used, ground those as well. Also try moving the cables as far away as possible from the motor wires and motors.

    Click the link to add information to this solution:
    LIMIT SWOTCXH PROBLEM

  • MY COMPUTER DOES NOT HAVE A PARALLEL PORT. HOW DO I INTERFACE WITH THE MACHINE?

    If your computer does not have a parallel port, all you will need is a low cost PCI parallel adapter card (these can be found on amazon for $15-$20). If you plan on using a laptop (not recommended) you can try to find a PCMCIA parallel adapter, but many people have frequent issues with this setup. A more expensive solution would be to purchase a USB smooth stepper board. Unfortunately, we do not supply any of these adapters and cannot attest to their reliability.

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    MY COMPUTER DOES NOT HAVE A PARALLEL PORT. HOW DO I INTERFACE WITH THE MACHINE?

  • LIMIT SWITCH PROBLEM

    This is a common problem. Are you using shielded wire? If so, take the shield to ground. If there are any other wires in the cable that is not being used, ground those as well. Also try moving the cables as far away as possible from the motor wires and motors.

    Click the link to add information to this solution:
    LIMIT SWITCH PROBLEM

  • DOES YOUR COMBO #1 WITH PLANS AND THE DVD COME COMPLETE PARTS LIST?

    The parts list is located on this page: http://buildyourcnc.com/cnckitintro.aspx at the bottom of the description.

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    DOES YOUR COMBO #1 WITH PLANS AND THE DVD COME COMPLETE PARTS LIST?

  • Do the 5 Axis Breakout Board with Relay requires software to setup

    The breakout board does not require software to run, specifically. The breakout board serves only as a signal conditioner where the input signal from the computer is output at the corresponding terminal, or the terminal receives a signal and is conditioned and sent to the parallel connector to be read by the computer. As long as the software can communicate to the parallel port of the computer, then the breakout board will function.

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    Do the 5 Axis Breakout Board with Relay requires software to setup

  • Are the kits provided with printed instructions or a hi-res version of whats online?

    Some of our kits use video instructions to complete the assembly and those videos can be downloaded from youtube. The kits that offer illustrations and narrative associated with the illustrations are intended to be used directly from that product page. If you wish to receive printed instructions, please call us to specifically request this.

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    Are the kits provided with printed instructions or a hi-res version of whats online?

  • DO YOU SUPPLY THE MALE PORTION OF MOTOR CONTROL CABLES WITH REDLEAF?

    Yes and properly soldered.

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    20

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    DO YOU SUPPLY THE MALE PORTION OF MOTOR CONTROL CABLES WITH REDLEAF?

  • DOES ANY OF THE SOFTWARE THAT COMES WITH IT COMPATIBLE MAC 10.6?

    There are several CAD/CAM programs out there for MacOS. Here is a list of a few: http://www.macuser.de/forum/f53/3d-2d-cad-395058/#post4499316
    I've also read good things about punchCAD: http://www.punchcad.com/
    Of course, there is always SketchUp if you are in a pinch. There are a few CAM plugins for SketchUp as well, but I've never used them, so I can't vouch for them.

    CAD/CAM will get you as far as designing your parts and producing the g-code, but if you also want to run the CNC machine with your Mac, you will need a piece of software similar to Mach3 or EMC to run the g-code. I haven't been able to find anything like these programs that runs on Mac, so you may have to run Mach3 or EMC in Windows using Boot Camp or a virtual machine such as VMware or Parallels.

    Personally, I would use the Mac to do all the CAD/CAM, then use a cheap PC to run the CNC machine.

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    EasyDNC for OSX
    www.dnc-x.com

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    Hi guys I’m new to the cnc and I’m beginning to learn how to operate and cad-cam software also my cnc runs on Mach3 my questions is if I should use MacBook to do all designs if I can have all this software to run on Mac or I have to use windows software to operate it? I have separate small computer connected to the cnc table who have Mach3 on it please help. Also if you know any other software much easy for beginners please let me know thank you guys!
    My email if needed is r1jastrzebski@gmail.com

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    Click the link to add information to this solution:
    DOES ANY OF THE SOFTWARE THAT COMES WITH IT COMPATIBLE MAC 10.6?

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