Re: Stepper Motors from old Laser Printers
Thank you very much, i'll try to use the Shinano Motors for low Torque Axis and the Minebea for High Torque. I am thinking of going for a SmartrapCore (http://www.thingiverse.com/thing:651117) because...
View ArticleRe: Duet compatible steppers
QuoteGaou no its not too late but what do you mean by that ? what difference would it make if i had 0.9 deggre steppers ? is it better resolution or more than this ? I am a newbie at 3d printing and i...
View ArticleRe: Duet - Extruder not working
Hey dc42, thanks a lot for the quick response and your advices! I meant selecting the tool by sending T1 (T0 was a typing...). Anyway, I will try it again with the cold extrusion (only the motor is...
View ArticleRe: Duet v0.8.5 - Problems with adjusting the motor current using M906
Ah okay makes sense. Can you also tell me how the drivers "know" with how much voltage they need to supply the motors? (only curious) thanks a lot! :-)
View ArticleRe: Duet v0.8.5 - Problems with adjusting the motor current using M906
There are two 0.1 ohm current sense resistors connected to each driver. The motor current flows through them some of the time, and the driver chip monitors the voltage drop across them to work out the...
View ArticleRe: Duet compatible steppers
i am ready to purchase the steppers and i just wanted to be sure once more . So with these steppers the duet would work without the need of modifications either on software ( firmware ) or the...
View ArticleRe: Duet - Extruder not working
I'm having a similar problem with my extruder not turning, but my movement axes working okay. I'm putting a RepRap duet V0.8.5 onto a Replicator 2. My firmware is the "RepRapFirmware FIRMWARE_VERSION:...
View Articleneed help with Mk8 remote extruder steps & feedrate
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 ArticleRe: Duet compatible steppers
If you are referring to the stepper motors that I linked to in my earlier reply, then yes. I use one of them in the extruder drive of my delta.
View ArticleRe: Duet - Extruder not working
You do not need any M563 commands in your slicer start gcode, only in config.g. Use a T0 command in the slicer start gcode. One possible source of confusion is that the M0 command you use at the end...
View ArticleRe: Duet compatible steppers
thanks david . i purchased them and wait to see if the parcel would go into customs ( thing that i am afraid a lot)
View ArticleRe: need help with Mk8 remote extruder steps & feedrate
triffid hunters calibration guide #e-steps. Don't post the same question twice, please :) -Olaf
View ArticleRe: need help with Mk8 remote extruder steps & feedrate
e_steps_per_mm = (motor_steps_per_rev * driver_microstep) * (big_gear_teeth / small_gear_teeth) / (hob_effective_diameter * pi) I don't understand which is big gear teeth or the small teeth and what...
View ArticleRe: need help with Mk8 remote extruder steps & feedrate
Big and small gear refers to Gregs/Wade extruders. Set both numbers as 1, if you don't use a geared extruder. If you have a gear on the stepper shaft which is flat then use it's outer diameter. When...
View ArticleMotors
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 ArticleRe: Motors
Any bipolar stepper with up to 2A phase current will do. Most common are 1.8° NEMA17 steppers with 0.4 - 1.7A.
View ArticleRe: Motors
no, voltage is misleading... you typically drive steppers with 2-4 times 'rated' voltage so you want 12/4 ie 4.8v max. (most say 3-5 V)
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