BIQU B1 Y Axis Belt Cover for Auto Part Ejection
Description
This cover is great if you want to automate your BIQU B1 to run 24/7! You will also need to: -Use my part ejector which bolts to the print head: https://www.thingiverse.com/thing:4999862 -Use a bed clearing script at the end of your G-code (or for OctoPrint users, use the 'continuous print' plugin). Mine is listed at the end of this text. -Change your start G code to prime off the edge of the bed to prevent build up of filament. Mine is listed at the end of this text. This particular model covers the Y axis belt, so that parts do not get jammed in there when they are automatically ejected. The two halves are connected using two 6mm x 30mm wooden dowels. Once assembled a flat platform is created which allows the parts to slide off easily. As it sits very close to the heated bed, I would recommend using PETG to prevent warping. Bed Clearing Script: M140 S0 ;turn off heated bed G4 S1800 ;wait for 30 mins M17 ;enable steppers G90 ;back to absolute positioning G28 X Y ;home XY G1 X119 Y238 F6000 ;move to centre back G1 Z1 F2000 ;move Z down G1 Y40 F1000 ;eject G1 Y238 F6000 ;return to back G1 X79 F6000 ;move left -40 G1 Y40 F2000 ;eject G1 Y238 F6000 ;return to back G1 X159 F6000 ;move right +40 G1 Y40 F2000 ;eject G1 Y238 F6000 ;return to back G1 X39 F6000 ;move left -80 G1 Y40 F2000 ;eject G1 Y238 F6000 ;return to back G1 X199 F6000 ;move right +80 G1 Y40 F2000 ;eject G1 Y238 F6000 ;return to back Start G-code Script (THIS USES UBL LEVELLING!!! You may need to change it!): ; BIQU B1 Start G-code M117 Heating Bed and Nozzle M140 S{material_bed_temperature_layer_0} ; Set Heat Bed temperature M104 S{material_standby_temperature} ; Set Nozzle temperature M190 S{material_bed_temperature_layer_0} ; Wait for Heat Bed temperature G92 E0 ; Reset Extruder M117 Homing G28 ; Home all axes M117 3 Point Plane Probing G29 A G29 L1 G29 J M117 Heating Nozzle M104 S{material_print_temperature_layer_0} ; Set Extruder temperature G1 Z2.0 F3000 ; Move Z Axis up little to prevent scratching of Heat Bed G1 X0 Y0 F5000.0 ; Move to bottom left corner G1 Z0.0 F5000.0 ; Move to Z0 M109 S{material_print_temperature_layer_0} ; Wait for Tool temperature G92 E0 ; Reset Extruder M117 Purging G1 E30 F300 ; Purge off the side of the bed G92 E0 ; Reset Extruder ;G1 E{-retraction_amount} F{retraction_speed} ; Retract by users settings G1 X15 F300 ; Move onto bed to wipe nozzle G1 Z0.2 F3000 ; Move Z Axis up little to prevent scratching of Heat Bed M117 Beginning Print
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