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Question #: 13632

Question: Can I make the router mount larger so my router fits?

Current Solution

If you are using a router that will not fit into the router mount, it is best to have the mount requested from us. The mounts were designed with the appropriate thickness of material for structural purposes and to maintain this structure under load.

Respond:

Other Possible Solutions to this Question

  • Can I make the whole for the router larger? This is for a blacktoe and the whole is about 1/4 inch in diameter too small.

    If you are using a router that will not fit into the router mount, it is best to have the mount requested from us. The mounts were designed with the appropriate thickness of material for structural purposes and to maintain this structure under load.

    Click the link to respond:
    Can I make the whole for the router larger? This is for a blacktoe and the whole is about 1/4 inch in diameter too small.

  • My router does not fit in the mount supplied in the kit

    If you are using a router that will not fit into the router mount, it is best to have the mount requested from us. The mounts were designed with the appropriate thickness of material for structural purposes and to maintain this structure under load.

    Click the link to respond:
    My router does not fit in the mount supplied in the kit

  • My router does not fit in the mount supplied in the kit

    If you are using a router that will not fit into the router mount, it is best to have the mount requested from us. The mounts were designed with the appropriate thickness of material for structural purposes and to maintain this structure under load.

    Click the link to respond:
    My router does not fit in the mount supplied in the kit

  • Can the 40w Laser combo be mounted on the Black Foot 8x4 router?

    Currently, the 40W laser tube can be mounted on the greenBull and the blackTooth machine kits. The gantry on the blackFoot CNC machine kit has a height that would not be able to to support the laser tube very well. The laser tube needs a gantry that has linear rail bearings that are spread apart to minimize any transient response at exact stops and changes in direction.

    Click the link to respond:
    Can the 40w Laser combo be mounted on the Black Foot 8x4 router?

  • My router runs in mirror image on the Y axis only so what can I do?

    If you are using Mach3, go into the config menu, , Ports and Pins, and click the motor outputs tab. On the line for the axis you want to change the direction, toggle the DirStepLowActive box. This will reverse the direction of the axis.

    Click the link to respond:
    My router runs in mirror image on the Y axis only so what can I do?

  • can my stepper motor lift the weight of my router?

    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

    Click the link to respond:
    can my stepper motor lift the weight of my router?

  • How do I adjust the gantry/router mount so it is perpendicular on a Blacktoe machine.

    Simple ways to get the z-axis router/spindle mount to be perpendicular to the table, you will have to get a level. Set the z-axis in place although you will have to remove it to tighten the top screws which will hold the top router/spindle mounts on the z-axis but you will be able to tighten the lower mount without having to remove the entire z-axis.

    Pending more info.

    Additional Information:
    It's not the Router that is out. It's the Z Axis, Y Axis not being perpendicular to the table. One of the problems was the double washer on the back side of the top rail V bearing. I took them off and ground down the screw head instead. Your instructions for building the Black Toe/Foot are NON EXISTENT, for want of a better word. I have buyers remorse.

    Additional Information:
    It's still not perpendicular but it's closer.

    Click the link to respond:
    How do I adjust the gantry/router mount so it is perpendicular on a Blacktoe machine.

  • I HAVE BLACKTOE 4.1 WITH PORTER CABLE 890 ROUTER.TO CONVERT TO SPINDLE(2.2KW) CAN JUST CHANGE THE MOUNT?

    If you would like to use a spindle rather than a router on your existing CNC, we will send you another set of components that will allow the spindle to be mounted properly which includes the z-axis rails, rail support, spindle mounts and the dust shoe components. You can find this item to purchase here: https://www.buildyourcnc.com/category/z-axis

    Click the link to respond:
    I HAVE BLACKTOE 4.1 WITH PORTER CABLE 890 ROUTER.TO CONVERT TO SPINDLE(2.2KW) CAN JUST CHANGE THE MOUNT?

  • I have blacktoe 4.1 with porter cable 890 router.To convert to spindle(2.2kw) can I just change the mount?

    If you would like to use a spindle rather than a router on your existing CNC, we will send you another set of components that will allow the spindle to be mounted properly which includes the z-axis rails, rail support, spindle mounts and the dust shoe components. You can find this item to purchase here: https://www.buildyourcnc.com/category/z-axis

    Click the link to respond:
    I have blacktoe 4.1 with porter cable 890 router.To convert to spindle(2.2kw) can I just change the mount?

  • 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

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

  • I currently own a blacktoe router cnc.Want to convert to spindle.Do I use the same Z axis mount?

    You will not be able to use a router mount for a spindle. You will need to get a spindle mount for your Z axis.

    Click the link to respond:
    I currently own a blacktoe router cnc.Want to convert to spindle.Do I use the same Z axis mount?

  • HOW CAN THE ROUTER BE CONTROLLED BY COMPUTER?

    The parallel breakout board has a relay that can turn the router on and off according to the control software in the computer. The router will turn on automatically prior to the machine moving (a time frame can be set so the router is up to speed). When the machine is finished and is not moving, the router automatically turns off. This is with the m3, m4, and m5 codes in the g-code.

    If you are interested in the USB breakout board, you will need to get an independent relay board.

    Click the link to respond:
    HOW CAN THE ROUTER BE CONTROLLED BY COMPUTER?

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

  • HOW CAN THE ROUTER BE CONTROLLED OR CONNECTED TO ELECTRONICS COMPUTER?

    The parallel breakout board has a relay that can turn the router on and off according to the control software in the computer. The router will turn on automatically prior to the machine moving (a time frame can be set so the router is up to speed). When the machine is finished and is not moving, the router automatically turns off. This is with the m3, m4, and m5 codes in the g-code.

    If you are interested in the USB breakout board, you will need to get an independent relay board.

    Click the link to respond:
    HOW CAN THE ROUTER BE CONTROLLED OR CONNECTED TO ELECTRONICS COMPUTER?

  • HOW CAN MOUNT THE EXTRUDER TO WHITEANT

    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 respond:
    HOW CAN MOUNT THE EXTRUDER TO WHITEANT

  • I purachased a bluechick from you in 2011. I am upgrading from a Porter-cable router to a 2.2kw spindle. Can you supply me with drawings for the spindle mount so that I can cut the parts?

    We currently cannot release or sell any plans at this current moment! We apologize for this inconvenience, however if you email us at customerservice@buildyourcnc.com. We can help you get the current parts you will need, for a fully functional 2.2kW z-axis assembly.

    Click the link to respond:
    I purachased a bluechick from you in 2011. I am upgrading from a Porter-cable router to a 2.2kw spindle. Can you supply me with drawings for the spindle mount so that I can cut the parts?

  • My CNC router stopped in the middle of a job with mach3.

    Dealing with a mid-stop cut via Mach3, you will have to be careful if it is intentionally or unintentional. If you desire to stop your machine while in the middle of a cut be sure to stop it when the machine is moving in an upward motion on the z-axis and the X/Y-axis are stationary. Then you can choose the point (G-code) where the machine was left off and click on the Run from here button on the Program Run screen (left hand side) right above the Reset button.
    (Make sure spindle/router is running before hand!)

    Now if the machine stops unintentionally, and was moving in either the X/Y-axis, then it will be difficult to run the machine from the original point dealing with the coordinates might have been lost due the the machine continuing motion but via Mach3 the machine has stopped.

    If this occurs to fight this issue before hand, is marking your home with the spindle/router to make a hole were your home is. Although moving it manually back to home the machine can be off by the smallest amount and could cause an inconsistent cut. If accuracy is something that can not be risked, then you can home the machine about a 1/4" or 1/2" down from the original home to start your cut on the same material but loosing that small piece.

    Additional Information:


    Additional Information:
    My typical go to solution is:

    - Note the current g-code line where the machine stopped.
    - If Mach3 errored and you cannot control the machine, Exit Mach3 - you may find that reset, stop does nothing to stop the spindle. When you exit mach3, the spindle will stop automatically.
    - Restart Mach3. The DRO (Digital Readout) should show the correct coordinates where the machine position was before exiting Mach3.
    - Scroll to the g-code line where the machine stopped. You may need to go a few lines prior to make sure you are not skipping any machining operations (which is why it is a good idea to learn the basics of g-code - don't worry, it's easy)
    - Click on the "Run from Here" button.
    - Mach3 will present you with a "Preparation Move" dialog box with the location that it will move to. If the coordinates shows a position that is into the material, make sure to specify a rapid height (clearance height) so the machine will move up first and then move to the location before moving down into the material. If the spindle is automatically controlled by Mach3, make sure to check the turn spindle on checkbox. If not, make sure the router or spindle is on before clicking OK.

    Additional Information:
    My cnc router stops at gcode line 50,000 and cannot finish program. They are about 150k of lines total. I have Mach3 and have bought the additional line capability. Is 50,000 (or around that) the limit? Is Mach 4 hobby license better and in what ways? Thanks! Mike Huber

    Additional Information:
    If you have a license for Mach3, then you should be able to run g-code indefinitely. I think there is something else going on.

    Click the link to respond:
    My CNC router stopped in the middle of a job with mach3.

  • Do you have a laser kit that can be fitted onto another brand CNC router?

    We don't have a laser kit to retrofit another CNC router other than ours, but we can create one. Some things that may help:

    - You are located close to use so we can work closely with you to implement to retrofit,
    - or you can provide very detailed drawings or measurements so we can use them to create the necessary parts for the kit.

    Other things that you need to understand:

    - A laser has a number of parts that will bulk up the head of the CNC router causing a bit more inertia which may require lowering the acceleration for smooth ramping up and down of the velocity

    - The bulk of the parts required for the laser may restrict the travel of the x and/or y axes.

    - The nozzle of the laser will be offset from the end mill of the spindle.

    Can you tell me the brand of the CNC router that you would like to stick a laser on? (you can answer by submitting additional information.

    Click the link to respond:
    Do you have a laser kit that can be fitted onto another brand CNC router?