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reprap-industrial-v1:tips-tricks [2015/05/28 08:49] Markus Bürgener [Slicing] -> renamed [Handling 3D files] |
reprap-industrial-v1:tips-tricks [2015/10/07 09:34] Markus Bürgener [Print bed leveling] table created |
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<WRAP group> | <WRAP group> | ||
<WRAP half column> | <WRAP half column> | ||
- | Accurate leveling is vitally important for the print result. Although correct first layer settings can compensate for slight unevennesses of the print bed, false leveling will ruin a print within the first few layers. | + | Accurate leveling is vitally important for the print result. Although correct first layer settings can compensate for slight unevennesses of the print bed, false leveling will ruin a print within the first few layers. \\ |
Evidence for a leveling mistake can be: | Evidence for a leveling mistake can be: | ||
- | - Asymmetrical layer thickness, especially of the first layer, due to lopsided leveling. | + | ^ No. ^ Appearance ^ Reason ^ |
- | * On one side of the print bed the extruded strand is laid on the print bed instead of being spread → the print bed and the nozzle are too far apart. | + | | 1 | Asymmetrical layer thickness, especially of the first layer. | lopsided leveling\\ Appearance 2 and 3 are visible simultaneously | |
- | * On the other side of the print bed the extruded strand is pressed onto the print bed until the nozzle tip is clogged → the print bed and the nozzle are too close. | + | | 2 | Smearing of the extrusion and possibly clogging of the nozzle. | Print bed and the nozzle are too close together. | |
- | - Smearing of the extrusion and possibly clogging of the nozzle due to too closely leveled bed. | + | | 3 | The extruded strand is laid on the print bed instead of being spread. | Print bed and the nozzle are too far apart.\\ (can be due to a wrong bed temperature also – better double-check) | |
- | - Strands do not stick to the print bed but are being pulled away by the nozzle tip. Of course, this can be due to a wrong bed temperature also – better double-check. | + | |::: | Strands do not stick to the print bed but are being pulled away by the nozzle tip. |::: | |
- | - Extrusion of rounded, unjoined strands. | + | | 4 | Extrusion of rounded, unjoined strands. | Print bed and the nozzle are too far apart. | |
- | </WRAP> | + | |
+ | </WRAP> | ||
<WRAP half column> | <WRAP half column> | ||
[{{:reprap-industrial-v1:lopsidedleveling.png?400|Leveling mistakes: examples of characteristic appearances of the first layer.}}] | [{{:reprap-industrial-v1:lopsidedleveling.png?400|Leveling mistakes: examples of characteristic appearances of the first layer.}}] | ||
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<WRAP group> | <WRAP group> | ||
<WRAP half column> | <WRAP half column> | ||
- | * Open the [Printer Settings] tab in Slic3r and choose the //Custom G-code// menu. | + | - Start your slicing software. |
- | * Activate the End G-code editor by clicking into the text field. | + | - Open the [Printer Settings] tab. |
- | * Position the cursor in the last line before the ''; /END-GCODE'' entry. | + | - Choose the "Custom G-code" menu. |
- | * Enter the command\\ ''M104 S0 T2''\\ This will set the heating elements of the build chamber to a temperature of 0 °C. | + | - In the //End G-Code// editor scroll down to the end of the text field and position the cursor in the last line above the ''; /END-GCODE'' entry. |
- | * Enter the command\\ ''M140 S0''\\ This will deactivate the print bed as the last action of the current G-code. | + | - Enter the command\\ ''M104 S0 T2''\\ This will set the heating elements of the build chamber to a temperature of 0 °C. |
+ | - Enter the command\\ ''M140 S0''\\ This will deactivate the print bed as the last action of the current G-code. | ||
</WRAP> | </WRAP> | ||
<WRAP half column> | <WRAP half column> | ||
- | [{{:reprap-industrial-v1:slic3r_endgcode.png?400|Switching off the build chamber heating elements by modifying the Slic3r custom End G-code.}}] | + | [{{:reprap-industrial-v1:tt_slic3r_modify_endgcode_autooff.png?400|Switching off the build chamber heating elements by modifying the Slic3r custom End G-code.}}] |
</WRAP> | </WRAP> | ||
</WRAP> | </WRAP> | ||
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software may differ in denotations): | software may differ in denotations): | ||
- Open your slicing software. | - Open your slicing software. | ||
- | - Open the tab "Printer Settings" and choose "Custom G-code". | + | - Open the tab [Printer Settings]. |
- | -- Go to the line reading:\\ <code> M104 S70 T2; set recirculating air heater to 70 degree celcius target temperature</code> | + | - Choose the //Start G-code// editor in the "Custom G-code" menu. |
- | - Change the entry "S//xy//" (here //S70//) by replacing the value //xy// with the desired temperature, for example //50° C//:\\ <code>M104 S50 T2; set recirculating air heater to 50 degree celcius target temperature</code> (for logical reasons, the comment should be aligned) | + | -- Scroll down to\\ ''; PREHEAT BED AND CHAMBER''\\ and position the cursor in the line reading:\\ <code> M104 S70 T2; set recirculating air heater to 70 degree celcius target temperature</code> |
- | - If you want to keep the settings, save them in the profile (see [[http://manual.slic3r.org/|Slic3r manual]]). | + | - Change the entry "S//xy//" (here //S70//) by replacing the value //xy// with the desired temperature, for example //50° C//:\\ <code>M104 S50 T2; set recirculating air heater to 50 degree celcius target temperature</code> (for logical reasons, the comment should be aligned). |
+ | - If you want to keep the settings, save them in a new profile (see [[http://manual.slic3r.org/|Slic3r manual]]). | ||
Any G-code exported with this profile loaded will heat the build chamber to the stated temperature prior to printing. | Any G-code exported with this profile loaded will heat the build chamber to the stated temperature prior to printing. | ||
</WRAP> | </WRAP> |