Machsupport Forum

Third party software and hardware support forums. => SmoothStepper USB => Topic started by: scoobystu on May 09, 2014, 04:11:52 PM

Title: Do I need a smoothstepper?
Post by: scoobystu on May 09, 2014, 04:11:52 PM

I have an issue with juddering and shaking on my CNC router when cutting curves. I have fiddled about with acceleration and feed speeds but it persists. As a newcomer to CNC is a smoothstepper something that may help this? My CNC uses stepper motors and I am running XP with a 2GHz processor.


 

Title: Re: Do I need a smoothstepper?
Post by: ger21 on May 09, 2014, 06:48:46 PM

What does your g-code for the curves look like?
Do you have CV mode enabled?
If so, what CV options do you have enabled?

A Smoothstepper shouldn't have any effect on how your machine is cutting curves, unless there's a problem with the parallel port causing the issue.

Title: Re: Do I need a smoothstepper?
Post by: BR549 on May 10, 2014, 09:05:02 PM

Sounds like you ar cutting small segmented lines instead of true arcs

Title: Re: Do I need a smoothstepper?
Post by: scoobystu on May 11, 2014, 05:03:53 PM

CV Mode is activated and at the moment I haven't enabled anything. I will find the g code for the item I was cutting.

I notice the jerkiness as well when engraving letters.

I wasn't sure if a smoothstepper would solve the problem so thank you for confirming that and saving me some cash and a few more headaches!

Title: Re: Do I need a smoothstepper?
Post by: ger21 on May 11, 2014, 05:20:01 PM

Some options are enabled by default. Make sure all CV options are turned off, in both General Config, and on the Setting page.