PrintrBoard expansion pins, stepper driver? (no replies)
I recently bought a PrintrBoard RevE which arrived with two burnt out stepper drivers (or at least one, the extruder does not seem to be working either, but not certain if that has to do with the temp...
View ArticleDrivers / Stepper motors compatibilty (2 replies)
hey guys, I'm looking into sourcing my parts from china so I came into this I plan to buy this ramps/mega/drivers combo and this stepper motors My question is if the drivers will be compatible with...
View ArticleRapman 3.1 MCP Ltd motors datasheets (3 replies)
I am changing a RapMan 3.1 electronics for a Gen7 with DRV8825 Pololu stepper drivers. But I couldn't find the datasheets for the motors, which are Motion Control Products Ltd motors, in their website...
View ArticleStepper Motors Problem (2 replies)
Hi, I just got a Prusa model tested recently. Its running on RAMPS 1.4, Marlin and Pronterface. My problem is such that the X,Y and Z motors are working fine when I used the test code. However, when I...
View ArticleA4988 burned? (1 reply)
The stepstick driver (A4988) is not working (turning motor). Have 5V from logicGND to powerGND, this after jump from breadboard when was working. get a little warm when connect both GND without load....
View ArticleSteppers can't lift X carriage up (no replies)
! have just finished constructing my first Prusa Mendel Iteration 2. All the motors X axis/Y axis/Extruder work fine in both directions. Z motors are OK when lowering the X carriage but struggle to...
View ArticleNEMA 17 Stepper Motors (2 replies)
Hi, I am currently building my first rep rap, and decided to go with the Prusa Mendel i3 rework. I'm having difficulties deciding witch stepper to buy. I was looking into buying this one:...
View Articleold stepper motors stuck (1 reply)
Hello, I am trying to continue to build an old mendel reprap kit which was in a box for two years (shame on me :-) ) The parts: - Gen 3 electronics - 4 steppers motors of type SY42STH47-1684MB I am...
View ArticleNEMA 17 ONLY CLUTTERS (no replies)
hELLO everybody It is my first post. Recently I bought a Prusa i3 kit from a local supplier. I get no customer service as expected. Here is My problem. I fnished the assembly and barely understand...
View Article6) Grab a DVM and set the drive current to ½ the spec on the X and Y (1 reply)
Hello Can somebody tell me how do we do this accually from where 6) Grab a DVM and set the drive current to ½ the spec on the X and Y Thanks
View ArticleNewbie Build - Ebay Stepper Motor Question (2 replies)
Hello everyone! I am a complete newbie as far as most electronics go and have limited experience with Arduino but I cant help but want to build a 3D printer and/or a CNC machine. I've been tinkering...
View ArticleScavenged Motor Database (1 reply)
Does anyone know if there is a site or database out there that can point users in the right direction when scavenging parts? For example, I got two printers, and a flatbed scanner for $20 from a...
View ArticleSelection of a Stepper Motor Driver + Control circuit (no replies)
I have a 3-phase stepper motor (Y - Config) with a pot as feedback on a butterfly valve. I am not confident to select a 3-phase stepper motor drive + design a control circuit to control that drive...
View ArticleTrying to find a stepper motor under 1A but with enough torque (no replies)
I'm having extreme difficulty finding stepper motors to buy. My drivers are only rated for 1A, but every motor I can find has the torque drop significantly once you go under that. I must be...
View ArticleVariable Reluctance Stepper Motor Driver (no replies)
Hi all, I have a Variable Reluctance (VR) stepper motor and it is 3-Phase Star configuration. The maximum current consumption is around 3A, but normally around 0.3A. I am trying to source stepper...
View ArticleCan't stop Y-Axis motor (no replies)
Hi all, My printer is Prusa i3 with RAMPS 1.4 and four 4988. All functions are fine, I can print anything what I want. Today, I try to use Repetier to stop motor, X and Z motors release but the Y-Axis...
View ArticleGot printer electronics now stepper wont reliably move (no replies)
I received half of my printer kit. Electronics package and steppers. RAMPS 1.4 Trying to test the wiring and everything before the hardware arrives. The end stops, thermister, fan, led's, and heaters...
View ArticleHelp with stepper setup (no replies)
New here and started a project and my electronic guy left me hanging. I have 2 MODEL PK268-02A Stepper motors and 2 MODEL CSD2120-T drive boards. I am needing them to run in sync and control them...
View ArticleStepper Motor Connectors (1 reply)
One of the wires to the connector for my Minebea Nema 17 motor came off due to a back and forth motion from x-axis motor. Where can I find replacement connectors?
View Articleis posible stepper motor in continuos rotation? (no replies)
Hi there. I have the followin question: Is posible that one stepper motor work in continuos rotation?. Like cnc lathe. The axes c is in rotation and the others axes have lineal movement.(the...
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