View Full Version : Trouble turning spindle on

06-21-2014, 02:20 PM
I write my Gcode using makercam which outputs a .nc file type. When I try to get this file to cut on the shopbot, it will go through all of the motions, but without turning the spindle on. I tried the Gcode converter within the shopbot software and ran into the same issue.

Could anyone help me figure out what I need to add at the beginning of my files to get the spindle to turn on before attempting to cut?

I have attached my example .sbp file for reference. Units are mm and spindle speed should be 14000.

06-21-2014, 02:46 PM
Try a comma after the SO command, as in SO,1,1

06-21-2014, 02:51 PM

In your gcode, you can use M3/M5, but you must have line numbers in front of it, like N10, N20, N30.....

For your SB code, your line should read as follow...SO,1,1...you missed a (,) after the SO (at least here in your example). A PAUSE 3 after wouldn't hurt too to bring it up to speed. You can also manually add that to gcode to get the pause.

(Ron finished typing before I did) ;)

01-08-2017, 01:36 PM
Try a comma after the SO command, as in SO,1,1

I've been trying to get some G-Code from Fusion 360 to work and I see elsewhere in this forum that inserting the SO,1,1 seems to remedy the issue with a dead spindle. However, when I review previous successful toolpaths that I generated with VCarve I see that the C6 and C7 command were used instead to start and end the spindle routine. Is there a good reason for this distinction?

Any help is greatly appreciated.