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Question #: 2327

Question: I want to buy a 59-inch acme screw, how many units is that?

Current Solution

When ordering our ACME lead screws, you will enter the total length required in the quantity box. Note that it is sold in inches and the highest single length available is 78". We can cut any size to your specifications. If you require separate lengths, please order the total quality and then email us with your specific lengths desired.

Email: customerservice@buildyourcnc.com (for length requests with purchased orders)

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Other Possible Solutions to this Question

  • [593] I want this to be 12' long. how much does that cost?

    Machine sizes outside of what is selectable on the home page, or the machine product page require a special quote. You can text me at 832-477-0526 for a quote on a unique configuration.

    Click the link to add information to this solution:
    [593] I want this to be 12' long. how much does that cost?

  • 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?

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

  • I want to fix the tramming issue, how can I measure this

    You can measure the tramming angle by putting a long L shaped rod that will fit into the spindle's collet and affix a piece that will tough the table to the other end of the rod. Rotate the rod to determine how far out you are. The longer the rod, the more accurate the measurement will be.

    Click the link to add information to this solution:
    I want to fix the tramming issue, how can I measure this

  • I ordered a Mach3 license to be delivered by email, how long does that take to receive ?

    Mach3 license purchases are processed during our working hours of 9 AM - 5 PM Central Standard Time, Monday through Friday. If you order after hours, licensed will generally be sent to your email address the following morning.

    Click the link to add information to this solution:
    I ordered a Mach3 license to be delivered by email, how long does that take to receive ?

  • HAVE 3D PRINTER THAT WANT TO MAKE CNC ROUTER ,IS THERE ANY GUIDES SHOW ME THE WAY

    What 3d printer do you have?

    Additional Information:
    whiteant

    Click the link to add information to this solution:
    HAVE 3D PRINTER THAT WANT TO MAKE CNC ROUTER ,IS THERE ANY GUIDES SHOW ME THE WAY

  • I want to buy your product, could you shipping to other country (I'm in Indonesia)?

    You can determine if the country is serviceable by:
    - selecting the items you want to purchase on the website
    - go to the cart (shopping cart top left of any webpage)
    - log in, or register
    - Enter the address and click on calculate shipping.

    The webpage will return the direct rates and whether your area is serviced or not. Feel free to enter any address as long as you are able to receive the package from that address.

    The shipping times are determined by the service you select in the shopping cart. If a machine is purchased, we generally have a one week lead time unless otherwise stated in the description of the machine's product page.

    Additional Information:

    Click the link to add information to this solution:
    I want to buy your product, could you shipping to other country (I'm in Indonesia)?

  • Hello I just want to ask, is this machines can milling Aluminum?

    Our machines can mill aluminum, we have only tested with thin aluminum sheets. But milling aluminum is no problem with our machines, here is a video we recently did with our gB 4'x8' the aluminum piece is about 1/4" thick: https://buildyourcnc.com/tutorials/tutorial-greenbull-aluminum-cutting

    Click the link to add information to this solution:
    Hello I just want to ask, is this machines can milling Aluminum?

  • How do I attach the 3d extruder that came with whiteant, the intructional video is for a diferent type.

    Mounting the extruder to the whiteAnt can be done a couple of ways. One is to take the 4 mounting holes located at the lower portion of the z-axis rail support and use long screws protruding out. Take a thinner material and drill the four holes matching the locations of the 4 screws and screw on nuts to hold it in place. The other option would be to use the metal bracket and fasten to the edge of the rail support.

    Click the link to add information to this solution:
    How do I attach the 3d extruder that came with whiteant, the intructional video is for a diferent type.

  • I want to order 8 Hiwin Blocks. Is there a cheaper shipping option? $70 is too much for something that weighs less than 5 lbs. I live in the continental US.

    Prices on amazon are fixed costs for shipping. The website generally reports high costs for international shipments but we can give you a better quote if you care to email sales@buildyourcnc.com

    Click the link to add information to this solution:
    I want to order 8 Hiwin Blocks. Is there a cheaper shipping option? $70 is too much for something that weighs less than 5 lbs. I live in the continental US.

  • My Nema 34 Step motors get fairly hot to the touch. Is that normal?

    If your motors are hot to the touch, this is normal. Current is being drawn by the motor coils as the motor moves and as the motor stays at a position. If the motor is not using the current in the coils to move (holding it's position), the energy will be translated as heat (rather than motion, sound or light). Even while moving, some of the energy will be lost as heat. Remember that energy cannot be created nor destroyed.

    Click the link to add information to this solution:
    My Nema 34 Step motors get fairly hot to the touch. Is that normal?

  • I want to order 8 HIWIN Linear Guide Blocks. Is there a cheaper shipping option? $70 is too much for something that weighs less than 5 lbs. I live in the continental US

    Prices on amazon are fixed costs for shipping. The website generally reports high costs for international shipments but we can give you a better quote if you care to email sales@buildyourcnc.com

    Click the link to add information to this solution:
    I want to order 8 HIWIN Linear Guide Blocks. Is there a cheaper shipping option? $70 is too much for something that weighs less than 5 lbs. I live in the continental US

  • HOW MANY STEPS PER INCH DO I SET IN MOTOR TUNING?

    blueChick:

    X-axis
    “CW230 (3.0A) Driver”
    Set to 1/16 Microstep, 2.7A
    Dipswitches: 11001100
    Mach3 Motor Tuning: 1422.22 steps/in

    Y-axis
    “CW230 (3.0A) Driver”
    Set to 1/16 Microstep, 2.7A
    Dipswitches: 11001100
    Mach3 Motor Tuning: 1422.22 steps/in

    Z-axis
    “CW230 (3.0A) Driver”
    Set to 1/4 Microstep, 2.7A
    Dipswitches: 10101100
    Mach3 Motor Tuning: 1600 steps/in

    blackToe:

    X-axis
    “CW230 (3.0A) Driver”
    Set to 1/16 Microstep, 2.7A
    Dipswitches: 11001100
    Mach3 Motor Tuning: 1422.22 steps/in

    Y-axis
    “CW230 (3.0A) Driver”
    Set to 1/16 Microstep, 2.7A
    Dipswitches: 11001100
    Mach3 Motor Tuning: 1422.22 steps/in

    Z-axis
    “CW230 (3.0A) Driver”
    Set to 1/4 Microstep, 2.7A
    Dipswitches: 10101100
    Mach3 Motor Tuning: 1600 steps/in

    blackFoot:

    X-axis
    “CW8060 (6.0A) Driver”
    Set to 1/16 Microstep, 2.7A
    Dipswitches: 11001100 (“0”=down, “1”=up)
    Mach3 Motor Tuning: 914.29 steps/in

    Y-axis
    “CW230 (3.0A) Driver”
    Set to 1/16 Microstep, 2.7A
    Dipswitches: 11001100
    Mach3 Motor Tuning: 1422.22 steps/in

    Z-axis
    “CW230 (3.0A) Driver”
    Set to 1/4 Microstep, 2.7A
    Dipswitches: 10101100
    Mach3 Motor Tuning: 1600 steps/in

    greenBull:

    X-axis
    “CW8060 (6.0A) Driver”
    Set to 5.43A, 1/16 Microstep
    Dipswitches: 01100110 (“0”=down, “1”=up)
    Mach3 Motor Tuning: 914.29 steps/in

    Y-axis
    “CW8060 (6.0A) Driver”
    Set to 5.43A, 1/16 Microstep
    Dipswitches: 01100110
    Mach3 Motor Tuning: 914.29 steps/in

    Z-axis
    “CW8060 (6.0A) Driver”
    Set to 5.43A, 1/4 Microstep
    Dipswitches: 01100100
    Mach3 Motor Tuning: 1600 steps/in


    Scratch-Build / Book-Build Kit:

    X-axis
    “CW230 (3.0A) Driver”
    Set to 1/4 Microstep, 2.7A
    Dipswitches: 10101100 (“0”=down, “1”=up)
    Mach3 Motor Tuning: 1600 steps/in

    Y-axis
    “CW230 (3.0A) Driver”
    Set to 1/4 Microstep, 2.7A
    Dipswitches: 10101100
    Mach3 Motor Tuning: 1600 steps/in

    Z-axis
    “CW230 (3.0A) Driver”
    Set to 1/4 Microstep, 2.7A
    Dipswitches: 10101100
    Mach3 Motor Tuning: 1600 steps/in

    Additional Information:


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    Scratch built/book CNC with NEMA 34 motors and CW8060 microstep driver

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    Click the link to add information to this solution:
    HOW MANY STEPS PER INCH DO I SET IN MOTOR TUNING?

  • 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.

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

  • 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:
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    Additional Information:
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    Additional Information:
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    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

    Click the link to add information to this solution:
    HOW DO I DETERMINE THE AMOUNT OF SCREW WEIGTH THAT MY MOTOR CAN HANDLE

  • Can I attach a 400w CO2 laser tube to you units (for cutting Stainless Steel at 1/8") ?

    A 400w laser tube will not be a simple swap of our laser tube in our blackTooth or our spindle/laser hybrid. The overall size factor of a 80w - 400w is greatly larger than our 40w laser tube and will be the biggest issue. You will have to completely modify our units to retrofit a larger tube, which might be more costly than expected as well as more time consuming.

    Click the link to add information to this solution:
    Can I attach a 400w CO2 laser tube to you units (for cutting Stainless Steel at 1/8") ?

  • [575] Is there a way to use an X,Y plate that will only be responsible for corner finding?

    Yes, you can use a corner plate very easily. You will want to make a corner plate that has three independent plates that do not conduct with each other. Each of these plates will be connected to a different input (i.e. IN1 for X, IN2 for Y and IN3 for Z). The end mill or tool that is inserted into the spindle will connect to V- of the 24V power supply, or the DCM on the controller, which is connected to the 24V V-. Then, you can use the ref all home button on the program run screen of Mach3.

    Click the link to add information to this solution:
    [575] Is there a way to use an X,Y plate that will only be responsible for corner finding?

  • [659] When clicking the manual link, it wont let me switch to the American version. How do I get that link?

    If you are referring to the polabs website that presents in another language, on that site, there is a button on the top right that says "options" with a down arrow. Click that and click turn off translation.

    Click the link to add information to this solution:
    [659] When clicking the manual link, it wont let me switch to the American version. How do I get that link?

  • I am planning to buy cutter engraver. How much power needed to cut .5" baltic birch plywood?

    Our CO2 laser cutters and engravers can cut birch plywood. Our 40 W lasers can cut birch plywood's at about a quarter inch. You will need a laser at least 80 W of power to cut that thickness of birch plywood. Our vertical laser XL would be able to handle that material.

    CO2 lasers in general are not the best candidate for cutting thick woods. For thick materials, it is best to use a CNC router.

    Click the link to add information to this solution:
    I am planning to buy cutter engraver. How much power needed to cut .5" baltic birch plywood?

  • I am planning to buy cutter engraver. How much power needed to cut .5" baltic birch plywood?

    Our CO2 laser cutters and engravers can cut birch plywood. Our 40 W lasers can cut birch plywood's at about a quarter inch. You will need a laser at least 80 W of power to cut that thickness of birch plywood. Our vertical laser XL would be able to handle that material.

    CO2 lasers in general are not the best candidate for cutting thick woods. For thick materials, it is best to use a CNC router.

    Click the link to add information to this solution:
    I am planning to buy cutter engraver. How much power needed to cut .5" baltic birch plywood?

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