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tech:3d_prusa
Table of Contents
Prusa i3
Wood Sheet frame
Frame: http://reprap.org/wiki/Prusa_i3 – Laser Cut Thingiverse
Controller (SainSmart 2-in-1): SainSmart 2-in-1 3D Printer Controller Wiki
Modification on Firmware
Changed in pins.h in section #ifdef RAMPS_V_1_3:
#define ORIG_FAN_PIN 7 //#### changed for SaintSmart 2in1 orig: 9
Caution: The silkscreen on PCB is wrong ET0/ET1 swapped! Not changed on firmware.
Setup Bed
| Item | X | Y | Z | Unit |
|---|---|---|---|---|
| max values | 235 | 245 | 180 | mm |
| bed size | 214 | 214 | - | mm |
| print area | 190 | 190 | 180 | mm |
| offset bed | 28 | 24 | 0 | mm |
| offset print area | 40 | 36 | 0 | mm |
| offset extruder 2 | 27 | 0 | 0 | mm |
Printer Trouble
CURA Setup
INI file:
- Prusa_i3.ini
[profile] layer_height = 0.1 wall_thickness = 1.0 retraction_enable = True solid_layer_thickness = 0.6 fill_density = 20 print_speed = 50 print_temperature = 200 print_temperature2 = 200 print_temperature3 = 0 print_temperature4 = 0 print_temperature5 = 0 print_bed_temperature = 70 support = None platform_adhesion = None support_dual_extrusion = Both wipe_tower = False wipe_tower_volume = 15 ooze_shield = False filament_diameter = 1.75 filament_diameter2 = 1.75 filament_diameter3 = 0 filament_diameter4 = 0 filament_diameter5 = 0 filament_flow = 100.0 nozzle_size = 0.5 retraction_speed = 40.0 retraction_amount = 4.5 retraction_dual_amount = 16.0 retraction_min_travel = 1.5 retraction_combing = All retraction_minimal_extrusion = 0.02 retraction_hop = 0.0 bottom_thickness = 0.3 layer0_width_factor = 100 object_sink = 0.0 overlap_dual = 0.15 travel_speed = 150 bottom_layer_speed = 20 infill_speed = 0.0 solidarea_speed = 0.0 inset0_speed = 0.0 insetx_speed = 0.0 cool_min_layer_time = 5 fan_enabled = True skirt_line_count = 1 skirt_gap = 3.0 skirt_minimal_length = 150.0 fan_full_height = 0.5 fan_speed = 100 fan_speed_max = 100 cool_min_feedrate = 10 cool_head_lift = False solid_top = True solid_bottom = True fill_overlap = 15 perimeter_before_infill = False support_type = Lines support_angle = 60 support_fill_rate = 15 support_xy_distance = 0.7 support_z_distance = 0.15 spiralize = False simple_mode = False brim_line_count = 20 raft_margin = 5.0 raft_line_spacing = 3.0 raft_base_thickness = 0.3 raft_base_linewidth = 1.0 raft_interface_thickness = 0.27 raft_interface_linewidth = 0.4 raft_airgap_all = 0.0 raft_airgap = 0.22 raft_surface_layers = 2 raft_surface_thickness = 0.27 raft_surface_linewidth = 0.4 fix_horrible_union_all_type_a = True fix_horrible_union_all_type_b = False fix_horrible_use_open_bits = False fix_horrible_extensive_stitching = False plugin_config = (lp1 (dp2 S'params' p3 (dp4 S'xshift' p5 V40.0 p6 sS'zshift' p7 V0.0 p8 sS'yshift' p9 V36.0 p10 ssS'filename' p11 S'XYZshift.py' p12 sa. object_center_x = -1 object_center_y = -1 [alterations] start.gcode = ;Sliced at: {day} {date} {time} ;Basic settings: Layer height: {layer_height} Walls: {wall_thickness} Fill: {fill_density} ;Print time: {print_time} ;Filament used: {filament_amount}m {filament_weight}g ;Filament cost: {filament_cost} ;M190 S{print_bed_temperature} ;Uncomment to add your own bed temperature line ;M109 S{print_temperature} ;Uncomment to add your own temperature line G21 ;metric values G90 ;absolute positioning M82 ;set extruder to absolute mode M107 ;start with the fan off G28 X0 Y0 ;move X/Y to min endstops G28 Z0 ;move Z to min endstops G1 Z15.0 F{travel_speed} ;move the platform down 15mm G92 E0 ;zero the extruded length G1 F200 E3 ;extrude 3mm of feed stock G92 E0 ;zero the extruded length again G1 F{travel_speed} ;Put printing message on LCD screen M117 Printing... end.gcode = ;End GCode M104 S0 ;extruder heater off M140 S0 ;heated bed heater off (if you have it) G91 ;relative positioning G1 E-1 F300 ;retract the filament a bit before lifting the nozzle, to release some of the pressure G1 Z+0.5 E-5 X-20 Y-20 F{travel_speed} ;move Z up a bit and retract filament even more G28 X0 Y0 ;move X/Y to min endstops, so the head is out of the way M84 ;steppers off G90 ;absolute positioning ;{profile_string} start2.gcode = ;Sliced at: {day} {date} {time} ;Basic settings: Layer height: {layer_height} Walls: {wall_thickness} Fill: {fill_density} ;Print time: {print_time} ;Filament used: {filament_amount}m {filament_weight}g ;Filament cost: {filament_cost} ;M190 S{print_bed_temperature} ;Uncomment to add your own bed temperature line ;M104 S{print_temperature} ;Uncomment to add your own temperature line ;M109 T1 S{print_temperature2} ;Uncomment to add your own temperature line ;M109 T0 S{print_temperature} ;Uncomment to add your own temperature line G21 ;metric values G90 ;absolute positioning M107 ;start with the fan off G28 X0 Y0 ;move X/Y to min endstops G28 Z0 ;move Z to min endstops G1 Z15.0 F{travel_speed} ;move the platform down 15mm T1 ;Switch to the 2nd extruder G92 E0 ;zero the extruded length G1 F200 E10 ;extrude 10mm of feed stock G92 E0 ;zero the extruded length again G1 F200 E-{retraction_dual_amount} T0 ;Switch to the first extruder G92 E0 ;zero the extruded length G1 F200 E10 ;extrude 10mm of feed stock G92 E0 ;zero the extruded length again G1 F{travel_speed} ;Put printing message on LCD screen M117 Printing... end2.gcode = ;End GCode M104 T0 S0 ;extruder heater off M104 T1 S0 ;extruder heater off M140 S0 ;heated bed heater off (if you have it) G91 ;relative positioning G1 E-1 F300 ;retract the filament a bit before lifting the nozzle, to release some of the pressure G1 Z+0.5 E-5 X-20 Y-20 F{travel_speed} ;move Z up a bit and retract filament even more G28 X0 Y0 ;move X/Y to min endstops, so the head is out of the way M84 ;steppers off G90 ;absolute positioning ;{profile_string} start3.gcode = ;Sliced at: {day} {date} {time} ;Basic settings: Layer height: {layer_height} Walls: {wall_thickness} Fill: {fill_density} ;Print time: {print_time} ;Filament used: {filament_amount}m {filament_weight}g ;Filament cost: {filament_cost} ;M190 S{print_bed_temperature} ;Uncomment to add your own bed temperature line ;M104 S{print_temperature} ;Uncomment to add your own temperature line ;M109 T1 S{print_temperature2} ;Uncomment to add your own temperature line ;M109 T0 S{print_temperature} ;Uncomment to add your own temperature line G21 ;metric values G90 ;absolute positioning M107 ;start with the fan off G28 X0 Y0 ;move X/Y to min endstops G28 Z0 ;move Z to min endstops G1 Z15.0 F{travel_speed} ;move the platform down 15mm T2 ;Switch to the 3rd extruder G92 E0 ;zero the extruded length G1 F200 E10 ;extrude 10mm of feed stock G92 E0 ;zero the extruded length again G1 F200 E-{retraction_dual_amount} T1 ;Switch to the 2nd extruder G92 E0 ;zero the extruded length G1 F200 E10 ;extrude 10mm of feed stock G92 E0 ;zero the extruded length again G1 F200 E-{retraction_dual_amount} T0 ;Switch to the first extruder G92 E0 ;zero the extruded length G1 F200 E10 ;extrude 10mm of feed stock G92 E0 ;zero the extruded length again G1 F{travel_speed} ;Put printing message on LCD screen M117 Printing... end3.gcode = ;End GCode M104 T0 S0 ;extruder heater off M104 T1 S0 ;extruder heater off M104 T2 S0 ;extruder heater off M140 S0 ;heated bed heater off (if you have it) G91 ;relative positioning G1 E-1 F300 ;retract the filament a bit before lifting the nozzle, to release some of the pressure G1 Z+0.5 E-5 X-20 Y-20 F{travel_speed} ;move Z up a bit and retract filament even more G28 X0 Y0 ;move X/Y to min endstops, so the head is out of the way M84 ;steppers off G90 ;absolute positioning ;{profile_string} start4.gcode = ;Sliced at: {day} {date} {time} ;Basic settings: Layer height: {layer_height} Walls: {wall_thickness} Fill: {fill_density} ;Print time: {print_time} ;Filament used: {filament_amount}m {filament_weight}g ;Filament cost: {filament_cost} ;M190 S{print_bed_temperature} ;Uncomment to add your own bed temperature line ;M104 S{print_temperature} ;Uncomment to add your own temperature line ;M109 T2 S{print_temperature2} ;Uncomment to add your own temperature line ;M109 T1 S{print_temperature2} ;Uncomment to add your own temperature line ;M109 T0 S{print_temperature} ;Uncomment to add your own temperature line G21 ;metric values G90 ;absolute positioning M107 ;start with the fan off G28 X0 Y0 ;move X/Y to min endstops G28 Z0 ;move Z to min endstops G1 Z15.0 F{travel_speed} ;move the platform down 15mm T3 ;Switch to the 4th extruder G92 E0 ;zero the extruded length G1 F200 E10 ;extrude 10mm of feed stock G92 E0 ;zero the extruded length again G1 F200 E-{retraction_dual_amount} T2 ;Switch to the 3rd extruder G92 E0 ;zero the extruded length G1 F200 E10 ;extrude 10mm of feed stock G92 E0 ;zero the extruded length again G1 F200 E-{retraction_dual_amount} T1 ;Switch to the 2nd extruder G92 E0 ;zero the extruded length G1 F200 E10 ;extrude 10mm of feed stock G92 E0 ;zero the extruded length again G1 F200 E-{retraction_dual_amount} T0 ;Switch to the first extruder G92 E0 ;zero the extruded length G1 F200 E10 ;extrude 10mm of feed stock G92 E0 ;zero the extruded length again G1 F{travel_speed} ;Put printing message on LCD screen M117 Printing... end4.gcode = ;End GCode M104 T0 S0 ;extruder heater off M104 T1 S0 ;extruder heater off M104 T2 S0 ;extruder heater off M104 T3 S0 ;extruder heater off M140 S0 ;heated bed heater off (if you have it) G91 ;relative positioning G1 E-1 F300 ;retract the filament a bit before lifting the nozzle, to release some of the pressure G1 Z+0.5 E-5 X-20 Y-20 F{travel_speed} ;move Z up a bit and retract filament even more G28 X0 Y0 ;move X/Y to min endstops, so the head is out of the way M84 ;steppers off G90 ;absolute positioning ;{profile_string} support_start.gcode = support_end.gcode = cool_start.gcode = cool_end.gcode = replace.csv = preswitchextruder.gcode = ;Switch between the current extruder and the next extruder, when printing with multiple extruders. ;This code is added before the T(n) postswitchextruder.gcode = ;Switch between the current extruder and the next extruder, when printing with multiple extruders. ;This code is added after the T(n)
tech/3d_prusa.txt · Last modified: 2016/02/21 21:25 by bullar
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