box_frame/sample_stls/big_htd3_lm12luu/configuration.scad

   1 // PRUSA iteration3
   2 // Configuration file
   3 // GNU GPL v3
   4 // Josef Průša <josefprusa@me.com>
   5 // Václav 'ax' Hůla <axtheb@gmail.com>
   6 // http://www.reprap.org/wiki/Prusa_Mendel
   7 // http://github.com/prusajr/PrusaMendel
   8
   9 include <inc/metric.scad>;
  10 include <inc/conf_bushing.scad>;
  11
  12 // Custom settings here, tailor to your supplies and print settings
  13
  14
  15 // Extruder settings **********************************************************
  16 // Don't forget to set your slicer's extruder settings to match the values you
  17 // enter here.
  18
  19 layer_height = 0.3;
  20 // Width over thickness determines how wide the plastic will be when extruded
  21 // onto the object that is being printed. width_over_thickness is multiplied
  22 // by the layer_height to calculate this width. i.e. If your layer_height is
  23 // set to 0.3 mm and your width_over_thickness is set to 2.2, the resulting
  24 // width will be 0.66 mm.
  25 width_over_thickness = 2.2;
  26
  27 // Select your belt type ******************************************************
  28
  29 //T2.5
  30 //belt_tooth_distance = 2.5;
  31 //belt_tooth_ratio = 0.75;
  32
  33 //T5 (strongly discouraged)
  34 //belt_tooth_distance = 5;
  35 //belt_tooth_ratio = 0.75;
  36
  37 //HTD3
  38 belt_tooth_distance = 3;
  39 belt_tooth_ratio = 0.75;
  40
  41 //MXL
  42 //belt_tooth_distance = 2.032;
  43 //belt_tooth_ratio = 0.64;
  44
  45 //GT2 there is bunch of GT2 belts with different tooth-to-tooth distance
  46 //adjust to your needs
  47 //belt_tooth_distance = 2;
  48 //belt_tooth_ratio = 0.5;
  49
  50 // For T type belts you will probably want 0.8mm or so.
  51 belt_thickness = 1.75;
  52
  53 // Choose bearing/bushing configuration ***************************************
  54 // conf_b_* are in inc/conf_bushing.scad
  55
  56 bushing_xy = conf_b_lm12luu;
  57 bushing_z = conf_b_lm12luu;
  58 // for longer bearings use one shorter in x-carriage to make place for belt attachment
  59 // by default use same as xy
  60 bushing_carriage = conf_b_lm12uu;
  61
  62 // Select idler bearing size **************************************************
  63 // [outer_diameter, width, inner_diameter, uses_guide]
  64 // 608 [standard skate bearings] with bearing guide
  65 bearing_608 = [22, 7, 8, 1];
  66 // 608 bearings with fender washers. Not good at all, the belt brushes against the carriage
  67 bearing_608_washers = [22, 10, 8, 0];
  68 // one 625 with guides
  69 bearing_625 = [16, 5, 5, 1];
  70 // two 625 - for use without bearing guides.
  71 bearing_625_double = [16, 10, 5, 0];
  72
  73 // those two here are really good:
  74 bearing_624_double = [13, 10, 4, 0];
  75 // this one has roughly same diameter as pulley, makes belt parallel so its prettier
  76 bearing_623_double = [10, 8, 3, 0];
  77
  78 idler_bearing = bearing_624_double;
  79
  80 // Select carriage lenght ******************************************************
  81 // 30 for single carriage extruder (two holes with centers 30mm apart)
  82 // 50 for wade or single with fan (three holes, 30-20)
  83 // 80 for full length carriage (four holes, 30-20-30)
  84
  85 carriage_l_base = 80;
  86
  87 // Fillets ********************************************************************
  88 // fillets are rounded corners of boxes. The right engineering term is probably radius
  89 // but cad software calls it fillet.
  90 // mostly cosmetic, except z axis.
  91 // 0 = no fillets
  92 // 1 = fillet
  93 // 2 = chamfer (cut the edges at 45deg. angle)
  94 // Please do put only parts with fillets on sale, other options are not really tested
  95
  96 use_fillets = 1;
  97
  98 // set to 0 for single plate (affects z axis and screws that attach RP parts to frame)
  99 i_am_box = 1;
 100
 101 // if you do your own plate and can move bottom Z screws 5mm up set this to 0 to
 102 // get stronger motor mount. Only for i_am_box = 0
 103 i_want_to_use_single_plate_dxf_and_make_my_z_weaker = 1;
 104
 105
 106 // Radius of long threaded rod on Y frame
 107
 108 // Affects y-axis-corner (both box and single plate)
 109 // and y-axis-bracket (box only)
 110
 111 //Use 5.4 for M10 or 4.4 for M8
 112 y_threaded_rod_long_r = 5.4;
 113
 114
 115 // Thickness of the boards that make the box frame.
 116
 117 // in y-axis-corner it governs the height of the corners by adjusting the
 118 // distance between ground and M10 threaded rod. (both box and single plate)
 119
 120 // For box model, the parts that hold Z smooth rod have one hole from front
 121 // and one from side, and this setting makes sure that the screw from side
 122 // is in the center of the plank.
 123
 124 // Use 12 for single plate
 125 // or 20 if you want to use the Y lm8uu holders
 126 // (extras/bearing-holder-single-plate-y)
 127 board_thickness = 18;
 128
 129 // Segments of small holes. some poeple claim that a low value makes them easier to print.
 130 small_hole_segments=7;
 131
 132
 133 // END of custom settings *****************************************************
 134
 135
 136 // You are not supposed to change this
 137 board_to_xz_distance = 26;
 138 xaxis_rod_distance = 45;
 139
 140 //calculated from settings
 141 single_wall_width = width_over_thickness * layer_height;
 142
 143 idler_width = (idler_bearing[1] > 7 ? idler_bearing[1] : 7) + 2.5 * idler_bearing[3] ;
 144
 145 //deltas are used to enlarge parts for bigger bearings
 146 xy_delta = ((bushing_xy[1] <= 7.7) ? 0 : bushing_xy[1] - 7.7) * 0.9;
 147 z_delta = (bushing_z[1] <= 7.7) ? 0 : bushing_z[1] - 7.7;
 148
 149 // CHANGE ONLY THE STUFF YOU KNOW
 150 // IT WILL REPLACE DEFAULT SETTING
 151
 152 // RODS
 153
 154 // threaded_rod_diameter = 0;
 155 // threaded_rod_diameter_horizontal = 0;
 156 // smooth_bar_diameter = 0;
 157 // smooth_bar_diameter_horizontal = 0;
 158
 159 // Nuts and bolts
 160
 161 // m8_diameter = 0;
 162 // m8_nut_diameter = 0;
 163
 164 // m4_diameter = 0;
 165 // m4_nut_diameter = 0;
 166
 167 // m3_diameter = 0;
 168 // m3_nut_diameter = 0;
 169
 170 // Bushing holder
 171
 172 // bushing_core_diameter = smooth_bar_diameter;
 173 // bushing_material_thickness = 0;
 174
 175 ///counted stuff
 176 m3_nut_diameter_bigger = ((m3_nut_diameter  / 2) / cos (180 / 6))*2;
 177
 178 // functions
 179 include <inc/functions.scad>
 180
 181 // These constants define the geometry of the complete-printer.scad
 182
 183 //x_smooth_rod_length=325;
 184 //y_smooth_rod_length=405;
 185 //z_smooth_rod_length=235;
 186 bed_x_size=225;
 187 bed_y_size=225;
 188
 189 x_smooth_rod_length=460+board_thickness*2; // 492 for 16mm thickness; 484 for 12mm thickness
 190 y_smooth_rod_length=470;
 191 z_smooth_rod_length=405;