Questions tagged [stepper-motor]
A kind of motor that moves in steps.
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14 views
Gearhead & 'teeth-track' to drive rotation of ringed encasement? [migrated]
I am not an engineer, so apologies if this one is a bit of an ill-thought out...
Can anyone show me an example of something like the following scenario:
A small stepping motor driving rotation of a ...
2
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1answer
28 views
Single Arduino I/O pin driving multiple DVR8834 stepper driver boards
I working on a project that uses 6 NEMA 8 stepper motors very similar to This One, each stepper will be driven by a DVR8834 and the STEP/DIR logic supplied by a ATmega328P which has a VCC = 2.7V to 5....
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39 views
What model of stepper motor is this?
I am salvaging a stepper motor I found however I don't know what model it is. I tried google the number at the bottom of the motor, but nothing came out.
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1answer
53 views
Sequentially driving multiple stepper motors with 1 driver and 1 controller
I am trying to control multiple stepper motors sequentially (only one at a time) with one controller, one driver a multiplexer and a dedicated "relay" circuit (shown in red). The idea is instead of ...
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32 views
GM12-15BY-100 Stepper motor damaged,what caused it?
I have a dc stepper motor, GM12-15BYC:
2-phase,
unload typical current = 150mA,
Pull-out rate:800Hz,
Pull-out torque:120
I am using the driver DRV8834 to control it.
The configuration of the ...
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0answers
19 views
Circuit with DRV8825 and PCF8574 not working! Will it be a problem with the components itself?
I'm developing a circuit using a PCF8574 and a DRV8825 to control a step motor.
The PCF8574 is used to control the reset, enable, sleep, modes and read the FAULT line of the DRV8825 using only the two ...
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0answers
44 views
Why cant I get clear wave?
I'm trying to find a good stepper driver with low vibrations and low noise. So, I observed wave form between current sensing resistor of few stepper driver using my oscilloscope.
The voltage between ...
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29 views
Matching Stepper Motor Driver with Power Supply
I recently purchased a nema 34 stepper motor and a DQ860MA stepper driver to use in a CNC router.
I'm looking at purchasing a power supply, but I'm a little confused about the driver specs. The driver ...
0
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2answers
36 views
Using a 10V stepper motor with a 12V controller board
What should I do when using a 10V .5A NEMA14 stepper motor with this board: https://reprap.org/wiki/MiniRambo (beyond setting proper current limits in firmware)? If I understand it correctly, the ...
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0answers
48 views
24V, 3 Phase BDCM Controller Schematic
This may seem like a dumb question, but does anyone have a schematic for a BDCM controller. All I seem to be able to find are partial schematics or schematics that include a micro controller. My ...
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1answer
48 views
How do I add a bipolar stepper motor to this circuit? [closed]
I have just started electronics at school and cannot find any tutorials on how to do this. I am creating a circuit that when the light intensity increases a bipolar stepper motor will step clockwise ...
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2answers
64 views
Is it a good idea to use the motor voltage as a source for a logic regulated voltage?
I'm creating a circuit for controlling a NEMA17 step motor with 1.7A per phase. This motor will be driven with +12V. The logic part of the circuit will use +5V though.
At the beginning, I was ...
0
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2answers
156 views
How to reverse direction of stepper motor with flip-flop
I am trying to reverse the direction of a stepper motor. The stepper motor drives a scanner head and when it gets to the end, I want it to reverse direction. I have some photo interrupters that ...
0
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1answer
65 views
Stepper motor close to PCB/MCU/ADC
and I apologize if the question is repeated. I tried to search around, but by my keywords main answers are about control of stepper motor with MCU and this is not my problem.
In my design I want to ...
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1answer
78 views
H bridge design for bipolar motor
I'm working on a dual H bridge for a bipolar stepper motor. I found these two designs. I would like to know which design would you guys recommend and why? and if there is any component that might be ...
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34 views
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1answer
44 views
Building a water jet cutter using Arduino, CNC shield and GRBL firmware
I am building a water jet cutter using Arduino Uno and CNC shield for control.
The CNC shield uses A4988 drivers to control the stepper motors. I uploaded the GRBL (for this shield) firmware to ...
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1answer
45 views
Understanding the Design of Common ULN2803a Motor Driverboards (use of the capacitor in particular)
I'm studying a popular motor driver board based on the ULN2803a Darlington Array chip (top and bottom pictured below).
A capacitor is between the common diode/flyback trace and GND.
Does the ...
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1answer
68 views
Using Micrologix 1400 (1766-L32BXB) FET outputs to control frequency input to ST-M5045
There is a minimum current requirement in order to use the FET pins on the Micrologix controller of 21mA, and the output voltage of the pins are 24V. The ST-M5045 stepper driver data sheet says in ...
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1answer
29 views
Need to synchronize stepper motors
am using two A4988 drivers to control two NEMA 17 stepper motors with 1.8 degree full step resolution on Rpi 2b. I am using them as wheels. The motors are initially given ramp signal using PGPIO ...
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0answers
195 views
damping ringing in stepper motor phase current
I am modifying a stepper motor control circuit that uses Allegro A3959SLB PWM motor drivers. The purpose of the modification is to drive a more robust stepper at its rated 2A rms current, driven by a ...
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1answer
46 views
Finding geared stepper motor speed
I was trying to find the stepper motor speed and the datasheet shows that it has a gear ratio of 10(the data circled with red). I assume this means that the stepper motor has an attached gear head. My ...
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1answer
58 views
How does G-code determine what pins I used to set CNC motors at? [closed]
I want to develop a simple C# application to control a self-made CNC machine using Arduino Uno. I want to use G-code to accomplish that. Now what I don't understand is how G-code is interpreted in ...
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0answers
38 views
chances of A4988 motor driver creating back current through the STEP and DIR pins
I am trying to drive 2 stepper motors using A4988 motordrivers and I am using the following circuit diagram as shown in the image
Only change from the above circuit diagram is that I have not ...
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1answer
57 views
Stepper motor - How to choose a driver
I want to know how can I choose stepper driver, once I have decided on the stepper motor that I wish to use.
This is how I understand it: If a motor can draw a current of say 0.5 amps and operates on ...
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1answer
42 views
Problems with Stepper Motor & SN754410
I am using a stepper motor for a project, it is the first time I've used one. The internet said it was very simple and easy but that's not true for me.
I bought this motor from digikey
https://www....
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1answer
60 views
Sudden raspbery pi power cut or random long delay when running stepper motor using pigpiod
So I wrote another program that can run stepper motor nema 34 using leadshine DM860 driver and this is the example of my code:
...
0
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1answer
33 views
Stepper driver sine wave
I have a TB6660 Stepper driver and I gave pulse from an Arduino board.
According to the TB6660 datasheet, drier should out a sine wave that created by using give square wave from Arduino.
But, when I ...
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2answers
98 views
AttributeError: 'NoneType' object has no attribute 'send' pigpiod
So I create an another program that can run stepper motor clockwise and counter clockwise with a ramp up and ramp down in there and adding limiter switch on GPIO 16 and 26 to stop the ...
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2answers
135 views
How close to a stepper motor do I need to shield the wires?
I am trying to shield the cabling on my CNC mill. The motors, unfortunately, do not have connectors but instead have wire leads coming out from the motor housing. I can cut those wires about an inch ...
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1answer
57 views
L293D Enable pins can reduce chip heat?
I use a L293D to drive a 7.4V (280mA/phase) stepper motor.
I rotate the small motor 1 rev per DAY.
The L293D is hot all the time even though the motor turns only once per day.
I saw there are “Enable” ...
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1answer
38 views
Single battery for different voltage components
So I have a 12V DC motor and a 6V stepper motor. Ideally, I would like both of them to draw from the same 12V battery pack (due to build constraints). The DC motor will be fine but the extra 6V ...
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2answers
191 views
Is a Switched Reluctance Motor (SRM) a AC motor or a DC motor?
Is the current in a coil of an SRM alternating or not? I understand that we are giving a DC supply (say battery) but isn't the current reversing its direction. If yes, then it would be called AC but ...
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1answer
59 views
Stepper Motor Voltage
I am having a problem making a stepper motor run. The problem is that the voltages that I am reading from the motor never reach zero (they move from a high voltage to a smaller voltage) so they never ...
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0answers
23 views
Phase voltage and torque of stepper motor
When I use a chopper type driver for drive a stepper motor how it effect the rated phase voltage?
Is there any relation between rated phase voltage and running torque of the stepper?
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1answer
68 views
How to get current flowing through the darlington transistor as a switch for a stepper motor?
I have a 17PM-K307-05VS unipolar stepper motor. I am building the driver for the stepper motor. The exact rated voltage and current are unknown, it seems the motor is old or discontinued, but the ...
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2answers
148 views
Which motor is slower than (and can be swapped with) a 28BYJ-48 stepper motor?
I have a DMX light that rotates a gobo using a 28BYJ-48 stepper motor. It has four DMX responsive settings: off, slow, medium, fast. However 'slow' is still about four times too fast for the effect I ...
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1answer
159 views
Pulse width of a stepper driver
I have a stepper motor that has 1.3Nm holding torque.
Im using TB6560 driver at 3A phase current and half step mode.
And also Im using Arduino for generate step signal for the driver.
If I generate a ...
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0answers
43 views
Control a stepper motor with a 3-phase controller
Is it possible to run a stepper motor with a closed loop 3-phase controller? What i have seen is, that some people short A- with B-, so that it is tranformed into a 2 coil 3 phase system. So i tried ...
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1answer
35 views
How do I run two Arduino sketches at once? [closed]
I have got two stepper motors that I want to drive at the same time using an Arduino. They both work with 2 separate DRV8825 stepper drivers that are connected to the Arduino. I can get them both to ...
0
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2answers
203 views
Increase the ramp up stepper motor performance
I'm driving a NEMA34 bipolar stepper motor with the following specifications:
Holding torque 5.9 Nm
Step angle 1.8°
Resistance / phase 0.33±10% Ω
Inductance / phase 3.00±20% mH
Max load axial 65 N
...
0
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1answer
60 views
Is a stepper motor the best option - if not what
I have a project where I want to have a 3-400kg mass rotate around its axis.
Based on my calculations, I am looking for a hold torque of approx 100-120Nm
I have considered having a worm drive ...
0
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1answer
117 views
Control stepper motor with PLC?
I'm pretty much brand new to both stepper motors and PLC's and electrical in general, although I have an idea of the theory of how they work/what they do.
I am trying to achieve is to be able to have ...
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2answers
56 views
Driving a hobby stepper motor with an industrial PLC
I am working with an industrial PLC, the Beckhoff BX9000, with 24 V digital outputs. I am looking to drive a hobby stepper motor with Polulu's 'A4988 Stepper Motor Driver Carrier', which accepts logic ...
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1answer
72 views
Interfacing with (Two) Full-Bridge PWM Motor Drivers to Control a Stepper Motor
I am working to interface with an existing PCB with on-board Full Bridge PWM motor driver chips, which drive a stepper motor. The interface lacks any kind of standard step (clock) or direction signals ...
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2answers
55 views
Why is the common lead of unipolar motor connected to the high level voltage?
I'm trying to gain a deeper understanding of DC stepper motor because I'm using them for an arduino project.
I was wondering about why the common lead of unipolar stepper motors is usually (always?) ...
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1answer
196 views
Picking a power supply for a TMC2130 stepper driver and motor
I'm trying to pick a power supply and need a little more guidance before I'm comfortable spending money on one.
This site explains how to calculate your figures for power supplies but isn't too ...
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0answers
70 views
When is it appropriate to connect two steppers in series?
I'm considering building a machine that would have 4 axes, two of which would require two steppers each to allow for the desired mechanical layout. These pairs would have to run synchronously. That's ...
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1answer
269 views
Reduce idle current consumption of 28byj-48 stepper motor
I have a question to ask. I'm using this stepper motor and found out that even the motor stop to the desired position, it still feeling hot and I guess it still consuming the same current as it move. ...
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1answer
348 views
How to correctly wire a SilentStepStick (TMC2130) to Arduino? (Noob question)
Ingredients:
1) Arduino Uno
2) SilentStepStick Stepper Driver (TMC2130) (datasheet)
3) Fully Independent 24V and 5V power supplies
3) Driver code from: watterott
4) Board pinouts
I've wired up the ...
