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grbl-mode [2017/01/25 22:59]
arthur
grbl-mode [2018/05/24 13:55] (current)
146.90.249.51
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 = Using Smoothie in grbl_mode = Using Smoothie in grbl_mode
 +
 +(Or CNC mode)
  
 Smoothie'​s main job is to interpret G-code and to convert it into movement and actions. Smoothie'​s main job is to interpret G-code and to convert it into movement and actions.
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 Smoothie supports two different G-code "​dialects"​ :  Smoothie supports two different G-code "​dialects"​ : 
  
-* The "​reprap"​ dialect, for 3D printing +* The "​reprap"​ dialect, for 3D printing ​(NOT NIST compliant) 
-* The "​grbl"​ dialect, for CNC milling+* The "​grbl"​ dialect, for CNC milling ​(Generally NIST compliant)
  
 The "​grbl"​ dialect is the closest to the "​normal"​ Gcode standard ( NIST ), and is adequate and useful for CNC milling. The "​grbl"​ dialect is the closest to the "​normal"​ Gcode standard ( NIST ), and is adequate and useful for CNC milling.
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 However, more CNC oriented software can also be used to control lasers ( they are virtually similar to a CNC mill with a very thin tool and no Z axis ), this is the case for example of [[bcnc]]. However, more CNC oriented software can also be used to control lasers ( they are virtually similar to a CNC mill with a very thin tool and no Z axis ), this is the case for example of [[bcnc]].
 </​callout>​ </​callout>​
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 +Typical differences between 3d mode and CNC mode are:-
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 +1. Error messages are different
 +2. G28 goes to park position and is NOT home, $H homes in CNC mode
 +3. Many GCodes may be differently interpreted in CNC mode than in 3D mode, please check your gcode references (Linuxcnc has a good GCode reference, do not use the reprap gcode reference for CNC mode)
 +
 +**NOTE** you cannot generally use pronterface to control CNC/grbl mode, as Pronterface is for 3D printers and uses a different dialect of gcode, it also does not allow you to send commands such as $H to home. It also tends to truncate commands like G28.2 by not sending the .2 part.
 +