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Type: Posts; User: Toinvd

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  1. Replies
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    Re: a4988 dual motor issue

    A4988 can ( just ) handle two small stepper motors. It's done in many 3 d printers. However, take care for the cooling if you do this.
    there are several improved pin compatible replacements which...
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    Re: POWER SUPPLY BLINKING GREEN

    you need to give more information.
    What type power supply, what is connected to it perhaps a diagram of your setup
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    Re: a4988 dual motor issue

    first check the current settings of the A4988 and next check the wiring of the two stepper motors
  4. Re: Replacing a Kollmorgen 6410 Driver w/ less costly

    I would expect this to work.
    Check the wiring to the motor, be sure to have one coil between A+and A- and the other coil between B+ and B-.
    It's easy to check if you have the two wires of one...
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    Re: My Z axis motor acting weird.

    The Z axis problem looks like a software problem. can you download the main program to your bord again, it might solve the Z axis problem.
  6. Thread: Help

    by Toinvd
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    411

    Re: Help

    Is this only on the X axis ?
    check if the motor current set to the right value and then try at a very low speed.
    If the X and Y motors are the same, careful swap the connection from the drivers to...
  7. Thread: help please :)

    by Toinvd
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    Re: help please :)

    Have a look at this
    https://www.newport.com/medias/sys_master/images/images/h89/h86/8797293183006/Tuning-with-XPS-Motion-Controller.pdf
    it gives a good description of KP
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    Re: First of many dumb questions

    yes , you can give that a try. perhaps at a lower setting, the power supply will just do the job.
    that's also why I said For a test, disconnect the power to the Z axis. I meant disconnect the...
  9. Re: newbie needs help with setting up stepper motors and drives

    Start with one motor and driver.
    Be sure to have it connected correct and the dipswitches on the driver.
    leave EN input from the driver disconnected for the first test.
    Power on, and verify that...
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    Re: First of many dumb questions

    For a test, disconnect the power to the Z axis and see if the other two perform normal. if so, it's most likely the power supply not strong enough.
    Or for test, lower the motor power with the...
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    Re: New drivers for Denford Mini mill

    Which drivers are you using, are they separate drivers for each motor and do they have Enable input. if possible, make a picture of the driver
    If yes they have Enable, is anything connected to the...
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    Re: New drivers for Denford Mini mill

    Good that you mention that you didn't connect pul- and dir- This is no criticism, but a positive thing, we know this way that you didn't know Pul+ and Pul- are always both needed.
    There is a LED...
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    Re: Synrad UC-2000 Laser Controller help

    try GOOGLE synrad uc-2000 manual and you will find many manuals for this controller even explaining getting started.
  14. Re: Wiring up a DDCSV3.1 controller to Stepper Drivers P and D inputs, etc...

    have a look at the manual and please read it at least one time. on page 18 it shows how to connect the driver it mentions that it's a 5 V output.so that's fine for most drivers...
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    Re: New drivers for Denford Mini mill

    Good that you mention that you didn't connect pul- and dir-
    Like Dazp1976 said, Pul+ and Pul - both need to be connected, the same for Dir+ and Dir- the same for Enable
    For test, even when pull...
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    Re: New drivers for Denford Mini mill

    The motor connections are coils connecting or disconnecting them can give high peak voltages, and that's what blows the electronics in the driver when power is on.
    As long as you don't do that,...
  17. Re: Trying to get a TMC2208 stepstick driver to work

    DM542 uses a opto coupler for the inputs. The motor currents are completely separated from the logical inputs by this.
    To my opinion, the DM542 is far superior to the TMC2208. It has a good...
  18. Re: The control pins of the stepper motor driver of A3977

    For the control connection.
    The left pin ( closest to the center of the board of you first picture ) is the +5V connection for all three inputs
    the next one is CLK or PULL ( active low )
    the...
  19. Re: need some advise regarding the voltage supplied to a small stepper motor

    Your driver TB6600 is supplied with a higher than 3 volts voltage.
    The driver will supply that voltage to the coil of the motor until it reaches the setup current. The higher the voltage, the faster...
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    Re: New drivers for Denford Mini mill

    If your mill uses 4 wires for each stepper motor, so it will be Bipolar. Your motors can be connected Bipolar
    A+ and A- are the connection for one coil, Connect White to A+ and Orange to A-
    B+...
  21. Re: Problems with Lichuan LCDA357H drives (closed loop steppers)

    Check the wiring of your motor to the driver. this looks like a wiring fault.
    Thick wires are UVW U=Yellow V=Brown W=Blue
    Thin wires is encoder
    1 Yellow = encoder ground connected to EGND on...
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    Re: help about step motors ACT 23HS8430

    Your motors are 1,8Nm holding torque. depending on the pitch of the leadscrew, it will give the max it can lift.
    However, if you are using a threaded leadscrew, you will lose a lot of the power of...
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    Re: What step/mm to use for wormgear ?

    Surface of the 5 mm nozle is 2.5 x 2.5 x 3.14 ( Pi ) = 19 mm2 ( roughly )
    Surface of the piston is 35 x 35 x 3.14 = 3846 mm2 ( roughly )
    So one mm movement of the piston will give 3846 / 19 =...
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    Re: New drivers for Denford Mini mill

    Unipolar needs the six wires, three for each winding . The central wire is connected to the + of the power and one of the others is pulled low by the driver.
    For these motors, White and Black are...
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    Re: What step/mm to use for wormgear ?

    Are you forgetting that the ram movement of 1 mm will give more mm material because the surface of the RAM is bigger than the surface of the nozzle output.
    Nozzle 0.2mm ram 5 mm gives already 625...
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    Re: Do you recognise this stepper controller?

    No photo's or other description ??
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    Re: Need help to calculate motor size needed.

    Some servo systems also use the Step Dir input like the stepper motors. I expect that this is the easy way to replace them. Again a warning, some sellers show closed loop steppers as servo system....
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    Re: Need help to calculate motor size needed.

    take care, don't expect to much from the 8nm motor, it has twice the self inductance of your 3 nm motor. If you look at the torque diagram's you will see that it drops almost twice as fast.
    So only...
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    Re: XSY-AT1 CONNECTION TRANSLATION

    They are not labelled because you can program the X inputs for different functions.
    By default X4 input is for start / stop. with parameter 53 you can set it for other functions.
    So in your...
  30. Re: Problem with Nema 34, DM860, DB25-1205 and Mach 3

    Here you will find a manual for the BOB https://www.steppermotorcanada.ca/db25-1205f.pdf
    Don't forget to connect the + 5 V, if possible two separated +5V supplies
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