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Question #: 7984

Question: Can you suggest a end mill that would cut 5/16th epoxy terrazzo sheets?

Current Solution

We are hesitant to recommend a specific end mill because we do not have direct experience with terrazzo sheets and this material has a unique combination of properties that makes it difficult to estimate which characteristics would be most important for the end mill. However, we have had good experiences with C.R. Onsrud endmills in a variety of applications. Their catalog can be found here: http://www.onsrud.com/files/pdf/2014-Onsrud-Complete-Catalog.pdf We would suggest looking over their specialty materials section for materials that most closely match what you want to cut.

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Other Possible Solutions to this Question

  • CAN .7MM END MILL BE USED TO CUT THROUGH 15MM MDF?

    An end mill smaller than 1.5mm or 1/6" is too small a diameter for end mills to cut through materials that are thick. A good rule of thumb is if the end mill has a cutting length that is more than what you want to cut, that diameter will be acceptable.

    Click the link to add information to this solution:
    CAN .7MM END MILL BE USED TO CUT THROUGH 15MM MDF?

  • I would like to design my own CNC router around one of your electronics bundles, either the 3 Axis - Heavy Gantry or 3 Axis - All Large Motors. Do you have the data sheets for the motors so that I can use the dimensions in my model?

    You can find the datasheets to our motors be going to the the stepping motor category page https://www.buildyourcnc.com/category/nema and selecting the motor. This will bring you to the product page for the motor and all of the motor information will be found there.

    Click the link to add information to this solution:
    I would like to design my own CNC router around one of your electronics bundles, either the 3 Axis - Heavy Gantry or 3 Axis - All Large Motors. Do you have the data sheets for the motors so that I can use the dimensions in my model?

  • CAN .7MM END MILL BE USE TO CUT 15MM MDF?

    An end mill smaller than 1.5mm or 1/6" is too small a diameter for end mills to cut through materials that are thick. A good rule of thumb is if the end mill has a cutting length that is more than what you want to cut, that diameter will be acceptable.

    Click the link to add information to this solution:
    CAN .7MM END MILL BE USE TO CUT 15MM MDF?

  • I WOULD LIKE TO KNOW IF THERE IS A STORE OR SHOP WHERE CAN SEE THE PRODUCT AND BUY IT?

    If you are located near Houston, Texas area you can stop by our shop. If you are not near us, you can check in our forums, and see if you can find someone in your area that has one of our machines, and would be willing to let you come see it in action.

    Click the link to add information to this solution:
    I WOULD LIKE TO KNOW IF THERE IS A STORE OR SHOP WHERE CAN SEE THE PRODUCT AND BUY IT?

  • WE'RE GLAD THAT CDC HAS MADE A UNIVERSAL INFLUENZA VACCINATION RECOMMENDATION TO VACCINATE EVERYONE 6 MONTHS AND OLDER. WOULD YOU TELL US HOW THIS CAME ABOUT?

    Prior to the 2010-11 vaccination season, only children ages 6 months through 18 years and adults age 50 years and older were universally recommended for vaccination; recommendations for adults ages 19 through 49 years were targeted to people with specific risk factors, although other adults could be vaccinated if they wanted protection. Collectively, these targeted risk groups made up 85% of the U.S. population. During the 2009 H1N1 outbreak, additional risk groups were identified, such as obese individuals. The recommendation made by ACIP in February 2010 for universal vaccination simplifies previous recommendations, making it easier for healthcare providers to determine whom to vaccinate. The universal recommendation also makes it easier for patients to remember to get vaccinated every year.

    Click the link to add information to this solution:
    WE'RE GLAD THAT CDC HAS MADE A UNIVERSAL INFLUENZA VACCINATION RECOMMENDATION TO VACCINATE EVERYONE 6 MONTHS AND OLDER. WOULD YOU TELL US HOW THIS CAME ABOUT?

  • Purchasing and shipping a kit internationally would make the price prohibitive. Are the dxf files available on their own so that the parts can be machined locally?

    The files and hardware option for our machines has been removed from the site due to the following reasons:
    Difficulty for the end use of the files and the challenges (and time/money) on our side to assist in using these files.
    The abuse of these files over the internet.
    Ultimately may reduce the sales of machines keeping us in business.
    Sadly, this is what has come out of our company attempting to be open; however, the machines sold on this site is still far lower in price than the competition for the quality that we provide as we have a great desire to engender the cottage industry to fulfill their need for low end manufacturing. My sincere apologies if this causes any inconvenience.

    Additional Information:
    NO, is not possible, I can help with the shipping cost

    Additional Information:

    Click the link to add information to this solution:
    Purchasing and shipping a kit internationally would make the price prohibitive. Are the dxf files available on their own so that the parts can be machined locally?

  • I'VE BUFFERED A PWM SIGNAL TO 0-10V ANALOG AND I WOULD LIKE USE THAT RUN YOUR 110V 2.2KW SPINDLE VFD. COULD YOU PLEASE DETAIL THE CORRECT WIRING VFD SETTINGS GET WORKING?

    This will depend on the VFD you have to identify the correct terminal. The terminal on the VFD will be labeled AI1 typically (Analog Input #1). You will also need to make sure to complete the PWM circuit using the GND terminal on the VFD.

    Additional Information:
    I have wired my 0-10V signal to the AI1 and GND terminals as suggested. I have also set the PD-01 and PD-02 settings to 1. Still nothing. Is there something else that I am missing?

    Additional Information:
    Thanks for the information. Can you let me know the model of the VFD that you have?

    Additional Information:
    VFD Model # YL600-2S-2K20

    Additional Information:
    Thanks. I will check our resources and documentation to see if there is another programming setting that needs to be changed.

    Additional Information:
    Does your VFD have a VI terminal?

    Additional Information:
    No, it does not. The terminals for this VFD are as follows (seperated by dashes "-").

    10V-AI1-AO2-PLC-DI5-DI3-DI1-COM
    AI2-GND-AO1-DI6-DI4-DI2-FM-24V

    Additional Information:
    Do you have a PD070 parameter?

    PD070 is the main Analog Input parameter.

    The options for that parameter is:
    0: 0-10V
    1: 0-5V
    2: 0-20mA
    3: 4-20mA
    4: 0-10V (4-20mA Stacked)
    5: XIA
    6: (VI+XIA)/2
    7: (3VA+XIA)/4
    8: (XIA_XIB)/2
    9: Max (XIA, XIB)
    10: Min (XIA, XIB)


    Additional Information:
    There is a PD-00 thru PD-09. PD-07 is currently set to 0.

    Additional Information:
    It appears that the manual I’m using “Titled YL600” is not the same as your unit. I will check our manuals and find the one that has only PD-00 to PD-09.

    Additional Information:
    For that VFD, the parameters are P0. The 0 may look like a D on the display.

    The parameters that need to be changed for the AI1 to work (Brackets [] around the correct selection):

    P0-01: First Motor Control Mode
    - 0: Sensorless Vector Control
    - 1: Flux Vector Control (FVC)
    - [2]: V/F Control

    P0-02: Options of Command Source
    - 0: Operation Panel Command Channel (LED will be off)
    - [1]: Terminal Command Channel (LED will be on)
    - 2: Communication Command Channel (LED will flicker)

    P0-03: Options of Principle Frequency Source X
    - 0: Digital Setting (Preset Frequency P0-08, UP/DOWN modifiable, no power-down memory)
    - 1: Digital Setting (Preset Frequency P0-08, UP/DOWN modifiable, with power-down memory)
    - [2]: AI1
    - 3: AI2
    - 4: AI3
    - 5: Pulse Setting (DI5)
    - 6: Multi Speed Instruction
    - 7: Simple PLC
    - 8: PID (Proportional Integral Derivative Control)
    - 9: Communication Given

    P0-11: Upper Limit Frequency Source
    - 0: P0-12 (Make sure the P0-12 parameter has the correct max frequency if used)
    - [1]: AI1
    - 2: AI2
    - 3: AI3
    - 4: Pulse Setting
    - 5: Communication Given

    P0-27: Command Source Bundle with Frequency Sources
    Single Digit: Options of Operation Panel Command Bundle with Frequency Sources
    - 0: No Bundling
    - 1: Digital Setting Frequency
    - [2]: AI1
    - 3: AI2
    - 4: AI3
    - 5: Pulse Setting (DI5)
    - 6: Multi Speed Instruction
    - 7: Simple PLC
    - 8: PID
    - 9: Communication Given
    Double Digit: Options of Terminal Command Bundle with Frequency Sources
    Hundred Place: Options of Communication Command Bundle with Frequency Sources
    Kilobit: Options of Automatic Operation Bundle with Frequency Sources

    P2-09: Upper Limit Source of Lower Torque Under Speed Control Mode
    - 0: Function Code P2-10 Setting
    - [1]: AI1
    - 2: AI2
    - 3: AI3
    - 4: Pulse Setting
    - 5: Communication Given
    - 6: MIN (Al1, Al2)
    - 7: MAX (Al1, Al2)
    - Maximum range for options 1-7, accords with P2-10

    If you elect to use a different AI#, then configure the parameters (P0-03, P0-11, P0-27 and P2-09) accordingly.

    Click the link to add information to this solution:
    I'VE BUFFERED A PWM SIGNAL TO 0-10V ANALOG AND I WOULD LIKE USE THAT RUN YOUR 110V 2.2KW SPINDLE VFD. COULD YOU PLEASE DETAIL THE CORRECT WIRING VFD SETTINGS GET WORKING?

  • HOW DO I DETERMINE THE AMOUNT OF SCREW WEIGTH THAT MY MOTOR CAN HANDLE

    There are two main questions that we can answer with respect to motor torque and the mechanical advantage of lead screws, 1) What torque motor do you need to lift a particular weight, or 2) What maximum weight will my motor torque be able to lift.

    This formula uses Newtons (N) as it's final unit. Use this with the included radius (R) to determine the torque. Newtons can easily be converted to lbs or ounces using online conversions.

    Effort = Sf + (Load/(2 x pi x (R/p) x Se))

    where:
    p = pitch of the screw
    Se = screw efficiency = Standard lead screw will be between 20% (.2) and 40% (.4)
    Sf = static force. This is the force that is needed to start the movement. The number may be eliminated, but it is good to use a number in the 5 N to 20 N range.
    Load = the expected load that the effort will need to carry (i.e., the router and the included axis assembly that the motor will need to lift)
    R = radius of the lead screw


    This formula is based on the "law of the machine"

    The final effort amount with its unit of newtons and R will be the torque. For example, if the effort comes to 100 N (newtons) and the R is .5 inches, then you can assume that the effort is 50 N-in since it would take twice the effort to turn form the one inch mark from the center of the shaft.

    Example:

    Load = 90 N (20.2 lbs)
    R = 1 inch since that is the length from the center of the shaft that the motor is rated
    p = 1 inch / 13 = .08 inches

    Effort = 5 N + (90 N / (2 x 3.14 x (1 / .08) x .2))
    Effort = 5 N + (90 N / (6.28 x 12.5 x .2))
    Effort = 5 N + (90 N / (15.7))
    Effort = 5 N + (5.73 N)
    Effort = 10.7 N = 2.4 lbs = 38.4 oz-in

    I am putting the oz-in on the end because the formula considers the distance from the center of the shaft to be one inch.

    Therefore, a 425 oz-in motor would be able to lift a 20.2 lb Router with its accompanying assembly. If the assembly and router is heavier, plug in the numbers and determine the effort required.

    With a bit of algebra, the formula can be rewritten to find the load:

    Load = (Effort - Sf) x (2 x pi x (R/p) x Se)

    Another formula that does not consider friction at all:

    Effort = (Load x p) / (2 x pi x R)

    Lets see if we get similar results:

    Effort = (20 lb x .08 inches) / (2 x 3.14 x 1)
    Effort = 1.6 / 6.28 = .255 lbs = 4.08 oz-in

    The results from both formulas appear to be very small because a 13 TPI screw will have enormous mechanical advantage.

    It is evident that the first formula that does consider friction that we are loosely estimating is far more conservative than the second formula. Either way, even the most conservative formula shows that the 425 oz-in motor will handle very large weights. If you are using a lead screw with only two turns per inch, .5 inch pitch, you can determine the requirements with the first formula.

    Example for a 10 TPI 5 start (2 turns per inch) lead screw:

    Load = 90 N (20.2 lbs)
    R = 1 inch since that is the length from the center of the shaft that the motor is rated
    p = 1 inch / 2 = .5 inches

    Effort = 5 N + (90 N / (2 x 3.14 x (1 / .5) x .2))
    Effort = 5 N + (90 N / (6.28 x 2 x .2))
    Effort = 5 N + (90 N / (2.512))
    Effort = 5 N + (35.83 N)
    Effort = 40.828 N = 9.18 lbs = 146.88 oz-in

    Customer Response:
    thank you so much

    Additional Information:


    Additional Information:


    Additional Information:
    how do i calculate torque of stepper motor if lead screw coupled to motor shaft and load applied by lead screw on plate is 100 kg by vertically

    Additional Information:
    Pls


    Additional Information:
    1m 16mmdiameter ball screws calculations


    Additional Information:
    What is the max load that 2 NEMA 17 stepper motors (spaced 2 feet apart, both will be pushing up on the same gantry) can lift while using a rod with the following specifications T8 OD 8mm Pitch 2mm Lead 4mm for each motor.

    Additional Information:


    Additional Information:
    1

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    HOW DO I DETERMINE THE AMOUNT OF SCREW WEIGTH THAT MY MOTOR CAN HANDLE

  • Hi Can you supply a "Kit" of CAD drawings to make your Bluechick 4.2 router?

    Our main machines, other than our scratch build machine is not offered as a plans option.

    Click the link to add information to this solution:
    Hi Can you supply a "Kit" of CAD drawings to make your Bluechick 4.2 router?

  • 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

    Click the link to add information to this solution:
    Can you supply a quote for a 4 axis combo kit with NEMA 17 Motors

  • Hi. I am an absolute beginner and wish to produce carbon fiber products cut from 1 to 4mm sheets. All advice on cost and set up appreciated. Thank you in advance

    Please contact sales@buildyourcnc.com for a custom quote.

    Click the link to add information to this solution:
    Hi. I am an absolute beginner and wish to produce carbon fiber products cut from 1 to 4mm sheets. All advice on cost and set up appreciated. Thank you in advance

  • IT POSSIBLE TO BUY THE CAD FILES FOR BLACK FOOT MACHINE, MECHANICAL PARTS AND ELECTRONICS BUT NOT WOODEN PARTS, SAVE SHIPPING COSTS? IN THAT CASE I WOULD INSTRUCT SOMEONE MILL ME.

    The files and hardware option for our machines has been removed from the site due to the following reasons:
    Difficulty for the end use of the files and the challenges (and time/money) on our side to assist in using these files.
    The abuse of these files over the internet.
    Ultimately may reduce the sales of machines keeping us in business.
    Sadly, this is what has come out of our company attempting to be open; however, the machines sold on this site is still far lower in price than the competition for the quality that we provide as we have a great desire to engender the cottage industry to fulfill their need for low end manufacturing. My sincere apologies if this causes any inconvenience.

    Additional Information:
    NO, is not possible, I can help with the shipping cost

    Additional Information:

    Click the link to add information to this solution:
    IT POSSIBLE TO BUY THE CAD FILES FOR BLACK FOOT MACHINE, MECHANICAL PARTS AND ELECTRONICS BUT NOT WOODEN PARTS, SAVE SHIPPING COSTS? IN THAT CASE I WOULD INSTRUCT SOMEONE MILL ME.

  • LIMIT SWITCHES FOR AXIS. THE PRINT SHOWS THAT YOU CAN WIRE LIMITS EITHER N.O. OR N.C. SO IF THIS IS CORRECT I WOULD NEED TO TELL BOARD IN SOFTWARE HOW LOOK AT THESE LIMITS, I'M GOING GET AN INPUT LOOSE DEPEND ON IT.

    BYCNC Response:
    This is correct. You will need to use a method appropriate for the software you are using. Also remember that NC switches are typically wired in series, while NO switches are normally wired in parallel.

    User Response:
    I am using the cnc planet software for your USB board. Are the limit configurations in this software?

    BYCNC Response:
    Yes, Planet CNC software is compatible with the use of limit switches. Configuration information will depend on your specific application. You can view Planet CNC's information here: http://www.planet-cnc.com/files/CNCUSBController.pdf

    Click the link to add information to this solution:
    LIMIT SWITCHES FOR AXIS. THE PRINT SHOWS THAT YOU CAN WIRE LIMITS EITHER N.O. OR N.C. SO IF THIS IS CORRECT I WOULD NEED TO TELL BOARD IN SOFTWARE HOW LOOK AT THESE LIMITS, I'M GOING GET AN INPUT LOOSE DEPEND ON IT.

  • Can I use one motor drive 6A and conect 2 motor nema 24 425oz-in?, Can I do that??

    Connecting two motors to a single, larger current driver, is not recommended. Theoretically, this may not be an issue; however, problems could occur where one of the motors draw more current than the other due to some external forces or friction and one of the motors stalling as a result.

    If you need to have two motors turn in a synchronous way as a single axis, connect the two drivers to the same axis signal (the same step and direction pins from the breakout board).

    Click the link to add information to this solution:
    Can I use one motor drive 6A and conect 2 motor nema 24 425oz-in?, Can I do that??

  • I have a blacktooth laser engraver. The Y Axis stepper motor needs to be replaced. Can you please provide me with the information I would need to replace this motor.

    Yes, if you need a replacement part on your machine please call us at 281-815-7701.

    Click the link to add information to this solution:
    I have a blacktooth laser engraver. The Y Axis stepper motor needs to be replaced. Can you please provide me with the information I would need to replace this motor.

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

  • What is the longest 1/2" Acme lead screw that I can buy?

    We can supply 1/2" lead screw with a maximum continuous length of 77 inches.

    Additional Information:
    Please give me a cost on a 6'x 1/2" lead screw. Thank you

    Additional Information:
    no


    Additional Information:
    what is the total cost for 77 inches of 1/2 inch lead screw?


    Additional Information:
    what is the cost of 6 feet lead screw.

    Click the link to add information to this solution:
    What is the longest 1/2" Acme lead screw that I can buy?

  • WHAT ARE THE BEST FOODS THAT WILL HELP YOU LOSE WEIGHT?

    Lettuce, or any vegetable. Also drink a cup of water before meals, it'll make you feel fuller.

    Click the link to add information to this solution:
    WHAT ARE THE BEST FOODS THAT WILL HELP YOU LOSE WEIGHT?

  • I see Artcam modules on your site, can I still get them through you?

    Yes you can. We well the ArtCAM software and modules.

    Click the link to add information to this solution:
    I see Artcam modules on your site, can I still get them through you?

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