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Question #: 548

Question: MOTOR GOING TWO DIRECTION WHEN JUST PUSH UP. IT WILL GO DOWN AND THEN GOES AGAIN UP WITH THE SAME BUTTON.

Current Solution

Try slowing your feedrate down and increasing spindle RPMs. End-mills will leave a poor finish if you go too fast. Make sure your cutting depth isn't too much. Maybe the endmill or cutter is blunt? Could it be the feed direction of the cutter? Some materials need to be fed in a certain direction.

Respond:

Other Possible Solutions to this Question

  • X AXIS STEPPER MOTOR STALLS AND SHUTTERS WHEN COMING FROM A STAND STILL WON'T MOVE WITHOUT PUSH BY HAND. I TOOK THE CHAINS OFF SPUN FINE WITH OUT LOAD. HAVE CHAIN HOOKED UP CAN MACHINE BACK FORTH HAND, NO HANG UPS OR ANYTHING, BUT TRY TO IT DOESN'T JUST SPINS OUT. ANY SUGGESTIONS?

    If your axis shutters and will not move unless moved by another force, that sounds like your acceleration is set too high. Lower the acceleration until it works well, then lower it a bit more to have a margin of safety.

    IF that didn't work, try swapping the X and Y drivers. That way you will pinpoint if the issue is the driver. If the proplem persists, then there may be an issue with the motor itself.

    The X and Y drivers can be easily swapped by swapping only the motor wires.

    - Remove the x-axis motor wires from the X driver.
    - Remove the Y motor wires from the Y driver.
    - Insert the X motor wires into the Y driver.
    - Insert the Y motor wires into the X driver.

    Now the Y-axis will move the gantry. Test the Gantry movement by moving the Y axis using the up and down arrow keys (mach3).

    Click the link to add information to this solution:
    X AXIS STEPPER MOTOR STALLS AND SHUTTERS WHEN COMING FROM A STAND STILL WON'T MOVE WITHOUT PUSH BY HAND. I TOOK THE CHAINS OFF SPUN FINE WITH OUT LOAD. HAVE CHAIN HOOKED UP CAN MACHINE BACK FORTH HAND, NO HANG UPS OR ANYTHING, BUT TRY TO IT DOESN'T JUST SPINS OUT. ANY SUGGESTIONS?

  • I JUST BOUGHT THE 3 AXIS W/HEAVY GANTRY, WILL MACH 4 RUN WELL WITH THIS, AND HOW LARGE CAN GO CUT AREA

    Yes Mach3 is a great program. Our 3 axis is 6'X12'X3'using all BYCNC components (incl. redsprout)

    Click the link to add information to this solution:
    I JUST BOUGHT THE 3 AXIS W/HEAVY GANTRY, WILL MACH 4 RUN WELL WITH THIS, AND HOW LARGE CAN GO CUT AREA

  • CAN YOU GIVE ME SOME HELP OR POINT IN THE RIGHT DIRECTION TO INCORPORATE MK 7 EXTRUDER WITH BOOK PLANS FOR 3D PRINTER?

    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:
    CAN YOU GIVE ME SOME HELP OR POINT IN THE RIGHT DIRECTION TO INCORPORATE MK 7 EXTRUDER WITH BOOK PLANS FOR 3D PRINTER?

  • ON THE BOB...EVERYTHING TESTS OK BOB EXCEPT X-DIRECTION OUT. IT'S VOLTAGE IS SLIGHTLY DIFFERENT THAN Y AND Z (5.00 INSTEAD OF 5.03. TESTED X DIRECTION ALL THREE DRIVERS. IN EACH CASE THERE GOING INTO DRIVER BUT NOT OUT IT.

    The electronics can be tricky sometimes, especially if more than one change is made for a test. You can move the x-dir wire to another pin and set it in the software configuration. If it works, then only that pin is bad.

    Click the link to add information to this solution:
    ON THE BOB...EVERYTHING TESTS OK BOB EXCEPT X-DIRECTION OUT. IT'S VOLTAGE IS SLIGHTLY DIFFERENT THAN Y AND Z (5.00 INSTEAD OF 5.03. TESTED X DIRECTION ALL THREE DRIVERS. IN EACH CASE THERE GOING INTO DRIVER BUT NOT OUT IT.

  • I AM USING A XYLOTEX 3 AXIS BOARD AND WANT TO ADD ANOTHER MOTOR SLAVED THE X-AXIS. WILL DRIVE CW230 WORK?

    If the pins from the terminal block on the side of the board are outputs, or at least 2 of them are outputs, then you can connect our modular driver to the board (example: cw230). If they are all inputs, then you would not be able to connect an external driver.

    Click the link to add information to this solution:
    I AM USING A XYLOTEX 3 AXIS BOARD AND WANT TO ADD ANOTHER MOTOR SLAVED THE X-AXIS. WILL DRIVE CW230 WORK?

  • 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.

    Click the link to add information to this solution:
    THE DUST SHOE HAS STIFF BRISTLES, IS THERE PROBLEM WITH MOVING Z-AXIS DOWN SINCE BRISTLES PUSH AXIS SIDEWAYS

  • ABSOLUTELY NOTHING WORKS. I HAVE ALL STRUCTURE AND MECHICAL PARTS OF THE BLACKTOOTH CUTTER DONE. HOWEVER WHEN WIRE UP STEPPER MOTOR TO DRIVER. THAT MACH 3 USB CONTROLLER BOARD, TRY JOG MOTOR, WORKS! PREVIOSULY HAD PLANET CNC BREAKOUT HOWRVER, ONLY MOVED MOTORS IN ONE DIRECTION COULDNT CHANGE IT. ANY HELP WOULD BE APRECIATED
  • I AM USING USB BREAKOUT BOARD WITH PLANET-CNC SOFTWARE. WHEN ENABLE JOGGING KEYBOARD X AXIS STARTS TO MOVE BY ITSELF (WHETHER CONNECTED OF NOT). PRESS STOP - IT STOPS FOR A MOMENT AND THEN AGAIN. WHAT COULD THAT BE? TRIED REINSTALL SOFTWARE DID NOT HELP.

    It seems to be getting some kind of interference or a short within the wiring or communication, try jogging the motors in the software without anything wired to the board. Then add one motor at a time to see if there is a short within your wiring or a faulty driver/motor.
    If the USB breakout board continues to move the x-axis with no motors or driver wired to it, please email customerservice@buildyourcnc.com for a replacement or further troubleshooting.

    Click the link to add information to this solution:
    I AM USING USB BREAKOUT BOARD WITH PLANET-CNC SOFTWARE. WHEN ENABLE JOGGING KEYBOARD X AXIS STARTS TO MOVE BY ITSELF (WHETHER CONNECTED OF NOT). PRESS STOP - IT STOPS FOR A MOMENT AND THEN AGAIN. WHAT COULD THAT BE? TRIED REINSTALL SOFTWARE DID NOT HELP.

  • I BOUGHT YOUR BOOK AND WAS HOPEING IT HAD PLANS OR DIMENTIONS ON HOW TO BUILD A CNC HOLD 4X8 SHEET OF PLY. WILL THE IN SCALE UP?

    BYCNC Response:
    The book build was intended to be 20 inches x 40 inches. Larger machines were designed after the book build was introduced so customers would have the option to go bigger than what the book offered. Check out our larger machines on the website as the machines sizes range from 1 foot x 3 feet all the way up to 6 feet x 12+ feet.

    User Response:
    I'm not wanting to spend $3,000+ on a machine, I want to build one that will do a 4x8 sheet of wood. Will the plans in the book scale up?

    BYCNC Response:
    It is possible to scale the book build up, but the rigidity of the gantry would be questionable at that span, even if the height of the gantry structure were to be increased. The gantry design would need to be modified to become a box shape rather than a flat configuration. The kits on the site were design for those wanting a larger machine.

    Click the link to add information to this solution:
    I BOUGHT YOUR BOOK AND WAS HOPEING IT HAD PLANS OR DIMENTIONS ON HOW TO BUILD A CNC HOLD 4X8 SHEET OF PLY. WILL THE IN SCALE UP?

  • THE CNC MACHINE IS UNSAFE WITH EXPOSED SPROCKETS THAT CAN DAMAGE FINGERS AND HAVE CLOTHING CAUGHT IN IT.

    These machines are inherently dangerous. Before the machine moves, the machine should be clear of any person by a dimension of at the distance of a persons reach plus a few more feet. This is the policies we institute in our shop and what is recommend to all of our customers. Treat these machines as you would treat any major power tool in the shop.

    With that said, you can certainly add some protective parts, but still keep folks away even with those installed. I would use the gantry side to do all of the mounting of the protective parts. Consider using sheet metal that you can bend and make a simple installation right on the gantry side.

    Click the link to add information to this solution:
    THE CNC MACHINE IS UNSAFE WITH EXPOSED SPROCKETS THAT CAN DAMAGE FINGERS AND HAVE CLOTHING CAUGHT IN IT.

  • HOW COMPLEX IS YOUR KIT TO ASSEMBLE, AND MOST IMPORTANTLY - HARD IT SETUP CONTROL THE LASER WITH MACH3?

    The blackTooth Laser cutter and Engraver can be built in a weekend. Take a look at the build instructions and try to determine if you feel you have sufficient capability to put together the laser system.

    Click the link to add information to this solution:
    HOW COMPLEX IS YOUR KIT TO ASSEMBLE, AND MOST IMPORTANTLY - HARD IT SETUP CONTROL THE LASER WITH MACH3?

  • I HAVE ONE OF YOUR SMALLER STEPPER MOTORS RUNNING MY X AXIS BRIDGE CRANE AND IF IT IS MOVED TO FAST THE MOTOR SOUNDS LIKE SKIPPING STEPS WILL 651OZ REQUIRE A DIFFERENT POWER SUPPLY CONTROLER?

    Yes, the 651 oz/in motor requires a driver that is compatible to the motors (the motor will draw 6 amps max and the driver paired with this motor will be able to allow for a 6 amp draw). I would also recommend a 36 volt power supply for better high velocity performance.

    Click the link to add information to this solution:
    I HAVE ONE OF YOUR SMALLER STEPPER MOTORS RUNNING MY X AXIS BRIDGE CRANE AND IF IT IS MOVED TO FAST THE MOTOR SOUNDS LIKE SKIPPING STEPS WILL 651OZ REQUIRE A DIFFERENT POWER SUPPLY CONTROLER?

  • WHAT IS THE MOST EASY WAY TO HOOK UP MILL IN THAT AUTOMATICALLY STARTS WHEN CYCLE STARTS, AND STOPS GCODE THROUGH?

    Does your breakout board (interface) have a relay? If so, you can connect one of the router/spindle's ac lines through the relay. The M3, M4 and M5 codes are used to control the router/spindle. Typically, the M codes are automatically added to the g-code regardless if you configure this in your CAM software. If you have the breakout board from buildyourcnc, you can go to the product page for the breakout board and the relay connection diagram and narrative is in the instructions on that page.

    Click the link to add information to this solution:
    WHAT IS THE MOST EASY WAY TO HOOK UP MILL IN THAT AUTOMATICALLY STARTS WHEN CYCLE STARTS, AND STOPS GCODE THROUGH?

  • I HAVE FOLLOWED ALL THE "CNC ELECTRONICS 1 - 9" VIDEOS AND I'M USING ALMOST EXACT SAME COMPONENTS (MOTORS RUN SOUND GOOD) BUT MOTORS ARE RUNING VERY HOT IN JUST 15MIN WITH NO LOAD DONE SOMETHING WRONG OR DO STEPPERS HOT?

    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:
    I HAVE FOLLOWED ALL THE "CNC ELECTRONICS 1 - 9" VIDEOS AND I'M USING ALMOST EXACT SAME COMPONENTS (MOTORS RUN SOUND GOOD) BUT MOTORS ARE RUNING VERY HOT IN JUST 15MIN WITH NO LOAD DONE SOMETHING WRONG OR DO STEPPERS HOT?

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

  • DOES THE RADIATION ONLY EXIST WHEN I'M ACTUALLY MAKING A CALL, OR JUST ANY TIME PHONE ON?

    Whenever they are turned on, cell phones communicate at infrequent intervals with a nearby base station even when they are not being used for a call. This is necessary to tell the system where the user is in case a call should come in. Thus, even while they are inactive, the phones are a source of (very low) radiofrequency energy exposure to the user. Hands-free kits reduce exposure to a user by removing the phone from the vicinity of the head. There is no identifiable health benefit in using the kits, but there is no detriment either, and using them may increase a user's peace of mind. Contrary to a widely publicized report by a British magazine last year, the kits are effective in reducing exposure. (This is not necessarily true of other devices that can be bought to be used with phones.) In your case, the cell phone and hands-free kit are clearly an important link to the outside world and I would not hesitate in using them. There may be comfort issues with having the earpiece in place for a long time, but radiofrequency radiation exposure should not be a concern at all. The hands-free kits will reduce exposure below that which you would receive if the phone were kept close to your head. Kenneth R. Foster Professor, Department of Bioengineering

    Click the link to add information to this solution:
    DOES THE RADIATION ONLY EXIST WHEN I'M ACTUALLY MAKING A CALL, OR JUST ANY TIME PHONE ON?

  • USING MACH3, MY MACHINE STOPS IN THE MIDDLE OF A PROJECT. HOW CAN IT BE STARTED AGAIN FROM POINT STOPPED?

    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.

    Additional Information:
    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.
    What else could be going on?

    Click the link to add information to this solution:
    USING MACH3, MY MACHINE STOPS IN THE MIDDLE OF A PROJECT. HOW CAN IT BE STARTED AGAIN FROM POINT STOPPED?

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

    Yes and properly soldered.

    Additional Information:
    20

    Click the link to add information to this solution:
    DO YOU SUPPLY THE MALE PORTION OF MOTOR CONTROL CABLES WITH REDLEAF?

  • OUR FIRST ATTEMPTS WERE WITH THE PLANET-CNC SOFTWARE, GOING THROUGH USB BOB. NO PROBLEM GETTING X & Y AXIS TO MOVE BUT UNABLE GET ANY ACTIVITY ON Z AXIS. WE THEN INSTALLED MANUAL SWITCH BETWEEN 5V AND TL, JOY. DISCONNECTED BOB FROM TH, MOVED OVER TH TL STILL

    Is the signal gnd on the laser power supply connected to a gnd on the breakout board? Do you hear a high pitched sound, like a TV set with an antenna getting interference, but with a high pitch?

    Click the link to add information to this solution:
    OUR FIRST ATTEMPTS WERE WITH THE PLANET-CNC SOFTWARE, GOING THROUGH USB BOB. NO PROBLEM GETTING X & Y AXIS TO MOVE BUT UNABLE GET ANY ACTIVITY ON Z AXIS. WE THEN INSTALLED MANUAL SWITCH BETWEEN 5V AND TL, JOY. DISCONNECTED BOB FROM TH, MOVED OVER TH TL STILL

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