Z and Y axis stop mid print, now won't move (no replies)
Hey, I purchased an i3 kit about 6 months ago from SemiU and slowly have been building it. After some delays with some personal issues today I got my first print off it! Very happy! (a little robot...
View ArticleTest Code Not Working (5 replies)
I've been banging my head against the wall for the last week trying to figure out whats wrong. The test code found on the reprap wiki blinks all the leds on the ramps 1.4 board but the stepper motors...
View ArticleStepper motors. Wrong direction. Please help!!! (1 reply)
Hello everyone, I assembled my reprap from parts that i bought 5 months ago. It worked well in the first 4 month. My reprap's Z axis is actuated by 2 stepper motor LDO-42STH47-1684A as shown in...
View ArticleStep Motor Encoder (2 replies)
Hi everybody, We are trying to build a big size 3D printer and how can we connect a encoder to our system to detect mis stepping in our system? Is it possible to correct the stepping on system with...
View ArticleZ steppers not working after firmare update (2 replies)
Well, they work fine when I'm jogging(both at 1mm and 0.1mm) but if I try to print the left one is really loud, and doesn't spin as much as it should, almost as if the pot trimmer on the pololu were...
View ArticleRibbon Cables for wiring (3 replies)
Hi, I want to use Ribbon cable for wiring for my new 3d printer so what is the standard that I need to follow? Is there any preferred AWG(American Wire Gauge) value should i need to use for connecting...
View ArticleDuet compatible steppers (3 replies)
Guys i was on my way to make a new 3d printer like the one ( mendel ) i have bought from rpp. Some days ago i was asking about the ramps as i needed a board for contrtolling the printer but rpp came...
View ArticleStepper Motors from old Laser Printers (4 replies)
Hi I have access to many parts from old Laser Printers with Scanners and would like to build a DIY 3D Printer. The mechanical part is clear and easy but I need help with the Stepper Motors. I have two...
View ArticleDuet v0.8.5 - Problems with adjusting the motor current using M906 (1 reply)
Hi everyone, I am using the Duet v0.8.5 with RepRap Firmware (dc42 fork: 1.09k) for controlling a delta printer. The gcode command M906 is used to adjust the motor current. Unfortunately the chosen...
View ArticleDuet - Extruder not working (1 reply)
Hey there, this is my setup: Board: duet V0.8.5 + Duex V0.2a Firmware: RepRapFirmware-1.09m-dc42 Software: Repetier Host or Pronterface The stepper motors of X,Y,Z-axis work as expected but the...
View Articleneed help with Mk8 remote extruder steps & feedrate (2 replies)
Hey guys I'm building a 3D printer with ramps 1.4 and a4988 How can i calculte mk8 remote extruder steps and feedrate , I'm using j-head Nozzle Extruder I'm using Marlin firmware Mk8 extruder link
View ArticleMotors (no replies)
Running a ramps 1.4 with A4988 drivers powered by 27amp power supply. What is the recommended motors to use with this setup ? Volts ? and amps ? If you recommend a different driver please do Thanks...
View ArticleAuto bed leveling with servo motor problem:S (5 replies)
I made my first Prusa i3 out of scratch and want to add servo auto bed leveling I soldered connector for 5V jumpers I connected servo to ramps 1.4 and when I upload marlin my servo goes up not down to...
View ArticleHow to identify a stepper motor and AC servo motor? (by its appearance) (1...
Hi guys, I'm working on the motors during this semester, and I have an assignment like this: How to identify whether a motor is a stepper or AC servo motor w/o open the inner parts (recognize it...
View ArticleExtruder Stepper dos not stp constant (no replies)
Hello, I wanted to calibrate a Prusai3 from Maker farm with a j-Head Hotend. And there i come to a problem. I found out that the Extrusionrate need a sertain amount of time to level itself to a...
View ArticleExtruder motor not running while printing (no replies)
Hi! I have an Ormerod 2 and have it set to extrude using a paste extruder instead of the ABS/PLA. When I manually extrude using Pronterface, the motor works fine, but when I send a print from the SD...
View ArticleNo able to achieve 1.8 Degree in 4-wire 1.8 Degree stepper motor (2 replies)
Hello all, I am using a stepper motor with following specifications : Steper motor with 2mm pulley attached to shaft compatible with GT2 timming belt Step Angle : 1.8° Degree Configuration: 4 wire...
View ArticleRAMPS 1.4 switched from md09b to DRV8825 - new drivers make tons of noise and...
It might be a pot adjustment, but I don't know what pins to measure voltage from, and the minimum I can get (measuring from the pot to GND) is 1.71V The motor makes a very loud high pitched whine and...
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Dual Y axis stepper problems (2 replies)
Hi all, I realise this is a very frequently encountered problem, but I keep getting stuck with the documented advice and wondered if anyone could help. So my printer I'm making has a dual stepper Y...
View ArticleStepper Motor/Driver issue (1 reply)
Hello, My axis do work but after they move the motors wont stop working (seems like they are under load all the time and making wierd noises). Ive made video: [www.youtube.com] The stepper is getting...
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