Restarts when moving steppers (8 replies)
when I move my z axis up and down rapidly the whole system resets. The bed-leveling servo jitters wildly when moving any axis, but its plenty worse on the Z. Ive replaced the ramps, removed stepper...
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Steppers not moving, tried everything ! Ramps 1.4 :S (10 replies)
Hi, thank you for viewing my post. I am trying to build a laser cutter myself, and bought a Ramps 1.4 Kit and 3 stepper motors [59Ncm(83.6oz.in), Rated Current: 2A, , Voltage 2.8V]. I'm powering the...
View ArticleSuper high current drivers for multiple steppers? (1 reply)
Hey there, I'm building a large-ish CoreXY and wanted to control the Z axis with three NEMA 17's. Two on the front corners and one on the rear. I guess they could be operated separately for bed...
View ArticleStepper driver help (1 reply)
I recently purchased a power z table for my laser engraver. It comes with the stepper motor but no driver or anything to operate the motor. I am looking for the least expensive functional way to be...
View Articleneed advice about stepper motor (no replies)
Hi Everyone - so Im in a robots competition (FIRST) and Im hoping to put a robot together that drives itself around a facility and prints things for people as they order it from their mobile app. The...
View ArticleHelp with steppers for Kossel mini (5 replies)
Hi guys, Repraps have recently caught my eye and I have been planning to build one soon. So for now I have been furiously sourcing for parts. I plan on building a standard size (240mm x 600mm) Kossel...
View ArticleStepper motor assistance (4 replies)
Hello, Here's what I have: Price is right IGT slot machine wheel connected to.... K179 Stepper driver (which controls speed and direction of wheel) Light control board (controls chasing light speed)...
View ArticleExtruder and axis motor interchangability (2 replies)
Hey everyone, I have been reading questions and gathering info from this site for a few months, and want to thank all of you for the incredible amount of help you have given me without ever having to...
View Article3d printer extruder hangs on wheels (2 replies)
prejudice I joined this forum in the hope that I can to help. I realizate my personal 3D printer with measures 900x900x900 xyz used (Arduino and ramp 1.4) everything works perfectly, if I create...
View ArticleDriver setup (no replies)
I accidentally destroyed my Z stepper driver last week. Today the new part has arrived; an A4988 Chinese driver. My previous drivers all have the 0.02 Ohms resistors. But..... the new one don't. It...
View ArticleStepper Motor Half- and Full- Coil Current (no replies)
Hello, I searched this Forum but couldn`t find an answer (sometimes the search is not working, also...) I have 4 NEMA23 Stepper Motors 23hs8610. They are rated at 1A per Phase. Everywhere on the...
View ArticleStepper motors in sound sensitive enviorment (6 replies)
I've been working on a project which will use stepper motors to power a calibration device. The device will move a microphone under different angles. Some sound will be sent, and the results from the...
View ArticleHelp: DRV8825 Vref (no replies)
Reading vref from DRV8825 X axis, originally set to 1V. When activating motors or heating extruder, the vref increases, and stalls the motors. What's wrong? Video showing the problem: [youtu.be]
View ArticleNema 23 cant go fast HELP ME! (18 replies)
Hello everyone! I have a question about RPMs of stepper motors. I have a kit from Longs motor: Nema 23 425oz motors, 350W 36V power supply and DM542A microstep driver [www.longs-motor.com] I can get...
View Articleproblems in the testing of engines (1 reply)
I was testing the z-axis motors when one of the movement limiters was pressed, now every time I turn on the source all characters of liquid crystal (diplay) light strongly, add up everything that was...
View ArticleHelp Me Please (1 reply)
i just found this two steppers, can i use this for 3d printer ? NEMA 17 - Model: KH42JM2B247
View ArticleDifference between 2 DC motors (2 replies)
Ive a pretty sound electrical/electronic background but i'm a little confused between the specs of 2 motors. One motor is rated 12v @ 80 amps, speed 4100 rpm The other motor (from the plate) says 24v...
View ArticleVery jerky stepper movement (18 replies)
Hi all, My Printer: 'Official' Prusa i3 Mini-Rambo E3D V6 hotend Running Octoprint on a Pi You've solved many of my problems without me having to start a topic but I need a little advice with my...
View ArticleServo won't move with M280 GCode commands (1 reply)
Hello everyone, This is my first post to the Reprap Forum so please excuse me if I am adding this to the wrong folder or if there is a solution already posted, however I have looked for hours and...
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