| |
| Home Page | Mark Forums Read | Today's Posts | My Replies | Classifieds | Reviews | Photo Gallery | Web Links | Share Files | Advertise With Us | Ad List |
| |||||||
| General Electronics Discussion Discuss basic electronics, power supplies and anything else electronic related here. |
| | |
| This forum is sponsored by: |
 |
| | LinkBack | Thread Tools | Search this Thread | Display Modes |
|
#1
 
08-27-2011, 04:12 AM
| ||||
| ||||
Hi, I am requesting help to resolve a problem with my Zenbot. Everything was working really well then the machine crashed. The stepper motor will not move and create a shuttering sound when there is the slightest resistance on any of the axis. I replaced the controller board with a new one, cleaned all the rails, and reset all the belt tensions but the problem still exists. Is there a solution to this problem? It is like the steppers are not producing enough power. There are other problems as well but I am trying to fix one thing at a time. Please help. I posted a private video on you tube to help show the problem. Thank you for any help received, this has really got me puzzled.  |
|
#2
08-27-2011, 07:19 AM
| ||||
| ||||
| Are you sure it's not binding? With the power off, can you turn it by hand?
__________________ Gerry Mach3 2010 Screenset http://home.comcast.net/~cncwoodworker/2010.html (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |
|
#3
08-27-2011, 08:00 AM
| ||||
| ||||
| Hi, yes with the power off it moves freely. With the power on I can stop it with my hand it has no holding torque. Are there gears inside the stepper motors? |
|
#4
08-27-2011, 08:08 AM
| ||||
| ||||
| Try swapping motors from another axis. No, there are no gears in a stepper, and crashing, or staling them shouldn't harm them at all. Perhaps it's a wiring issue?
__________________ Gerry Mach3 2010 Screenset http://home.comcast.net/~cncwoodworker/2010.html (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |
|
#5
08-27-2011, 08:43 AM
| ||||
| ||||
| Hi, all the stepper motors act the same. I checked the wiring it is all correct. It is acting like the stepper motors are not receiving enough current. |
| Sponsored Links |
| |
|
#6
08-27-2011, 09:52 AM
| ||||
| ||||
__________________ Bob "Bad decisions make good stories." |
|
#7
08-27-2011, 10:06 AM
| ||||
| ||||
| Hi, checked the controller board power supply with a multimeter and no load. It is a 19 volt supply and the output was 19.36 volts dc. I am searching for some test leads and I check again under load. Thanks for the help. |
|
#8
08-27-2011, 06:21 PM
| |||
| |||
| Check if it has yanked a wire when the machine crashed. A stepper motor with one wire disconnected will behave as you described. (edit) Sorry I just realised ALL your motors are weak. The fault must be something common to all motors, like the power supply (as people have said). Check your power supply voltage with the machine turned on and the motors powered up (but not moving). Also check the AC volts ripple in the output of the power supply. |
|
| | |
| Currently Active Users Viewing This Thread: 1 (0 members and 1 guests) | |
| Thread Tools | Search this Thread |
| Display Modes | |
| |
Similar Threads | ||||
| Thread | Thread Starter | Forum | Replies | Last Post |
| Stepper motors or ac servo motors? | JIM at ATG | Commercial CNC Wood Routers | 7 | 06-13-2011 03:10 PM |
| Need Help!- How hot should stepper motors get? | erkiwi | Stepper Motors and Drives | 10 | 07-17-2009 02:22 AM |
| Just IN- Provide controllers,drives,servo motors,stepper motors，electronic parts from China | Ling | Product Announcements & Manufacturer News | 2 | 07-12-2009 04:10 AM |
| Wanted DIY stepper driver circuit for 6 wire stepper motors | Colin300 | Australia, New Zealand Club house | 5 | 09-20-2007 09:20 PM |
| stepper motors or servo motors? | jprobst | Torchmate | 3 | 07-13-2007 05:37 PM |
| | |
Linear Mode
