Difference between revisions of "Gcode Basics"

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[[Category:Gcode]]
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#REDIRECT [[Gcode]]
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== Everything ==
 
 
 
Here is code that should be in EVERY recipe:
 
 
 
<nowiki>
 
;now we set up for any build offsets that we may want
 
G21 ; use millimeters
 
G90 ; absolute coordinates
 
G0 Z5 ; lift head to avoid collisions
 
G28 X0 Y0 ;always home before starting a build home X and Y
 
G0 X0 Y0 ; move to desired origin, necessary if you want a negative offset
 
G92 X0 Y0 ; reset origin:to new  X and Y, it is legal to add values to x an y, I.e. X30 Y40 will
 
;set the current location to X30 an Y40
 
M83 ; relative extruder coordinates
 
 
 
;set up Head Flow characteristics
 
M6 T10 ; select all heads on yoke 1
 
;M227 ; enable unprime/prime on non printing moves
 
M221 S1.0 ; set fudge factor for extruder to 1.0
 
M756 S[first_layer_height] ; set first layer thickness
 
M757 S[nozzle_diameter] ; set layer/path width
 
M729 S3  ; set 16 step mode
 
;set the pulses per unit volume, this is different depending on extruder type
 
;and material size, I.e if the 1.75mm filament is really 1.65, you can adjust this number
 
;Or the Fudge factor M221 to get the correct amount of material.
 
M758 S0.095  ; set steps/nL</nowiki>
 
 
 
Typical S values for M758:
 
<nowiki>
 
MK-1    ABS 1.75mm    .09-.12
 
EMO-25  Plasticine    .06</nowiki>
 
 
 
 
 
== Layer Changes ==
 
 
 
Please also note, that if you want to take advantage of several new features regarding
 
layer change options, ( I.E. pause at end of layer, take picture, etc)
 
you will want to add the M790 to the layer change G-Code as well:
 
 
 
<nowiki>
 
M790 ;announce new layer</nowiki>
 
 
 
== Start Gcode ==
 
 
 
This code should be at the beginning of every Gcode file:
 
 
 
<nowiki>
 
M757 S[nozzle_diameter] ;set layer/path width
 
M729 S3 ;set 16 step mode
 
M758 S0.095 ;set steps/nL
 
M734 F60 ;set error reporting interval for redundant errors to every 60 seconds
 
;--------------------</nowiki>
 
 
 
== End Gcode ==
 
 
 
This code should be at the end of every Gcode file:
 
 
 
<nowiki>
 
;--------------------
 
;M721 ;unprime
 
M103 ;stop extrusion
 
M104 T10 S0 ;turn off all extruders
 
M140 S0 ;turn off hotbed</nowiki>
 

Latest revision as of 13:36, 23 June 2020

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