Centroid Community CNC Support Forum

To: Captain Midnight from CNCguy, you have 43 posts :!: listed on this BB You have the 2nd highest number of posts/questions after Ajaxscott who has 143, and most of yours were answered by Ajaxscott! :roll: This means that almost 1/4 of Ajaxscott's posts over several months were spent answering your...

Are you running Mach or Centroid software?
Can you post a short section of your program , narrowed down to a few lines before and after the offending G-codes?

Notice that Tech Bulletin 234 has been updated, and now emphasizes the oscilloscope tuning feature.
Oscilloscope tuning is real time and allows changing of tuning coefficients "on the fly", this makes tuning very convenient.

Use Velocity Mode wherever you can :!: . MPU11/GPIO4D supports velocity mode very well. Velocity mode has fewer tuning parameters. Velocity mode parameters are less sensitive (easier to tune). The starting default suggested parameters will often work out of the box. Every manufacturer or model 3rd p...

There are several concepts that are mixed in with "block processing rate" , but the short answer is somewhere between 400 and 1000 position updates /second for the Centroid/Ajax motion control card which is what really counts.. The good news is that the majority of users never have to worr...

Those links refer only to the DC3IOB Centroid/Ajax dc drives, and do not cover 3rd party drives. Where is the GPIO4D documentation? Try this: On the Ajaxcnc site Tech Support 1. Online Manuals and Documentation CLICK HERE Enter Mach3 Based Support CLICK HERE Complete system hook up Schematics in PDF...

Modern spindle motors are three phase induction motors (3 wires, no magnets) You wrote> ", but my question is: Where is the spindle drive in the milling machine?, or this component i have to purchease?..." There are two methods to control a spindle motor: #1 The simplest way (the old way) ...

Could you please clarify your question

The latest information can be found at : (and it's "sticky" ;) Install Manuals - MPU11 Based Systems- Mach & CNC11 Postby ajaxscott » Wed Jun 02, 2010 10:03 am Ajax MPU11/DC3IOB Windows XP Installation manual - Mach3 Software option http://www.ajaxcnc.com/tech/downloads/manuals/install...

When using MPU11 for most servo drives, Velocity mode is far better.