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 layer_height = 0.3;
  15 width_over_thickness = 2.2;
  16
  17 // Select your belt type ******************************************************
  18
  19 //T2.5
  20 //belt_tooth_distance = 2.5;
  21 //belt_tooth_ratio = 0.75;
  22
  23 //T5 (strongly discouraged)
  24 //belt_tooth_distance = 5;
  25 //belt_tooth_ratio = 0.75;
  26
  27 //HTD3
  28 belt_tooth_distance = 3;
  29 belt_tooth_ratio = 0.75;
  30
  31 //MXL
  32 //belt_tooth_distance = 2.032;
  33 //belt_tooth_ratio = 0.64;
  34
  35 //GT2 there is bunch of GT2 belts with different tooth-to-tooth distance
  36 //adjust to your needs
  37 //belt_tooth_distance = 2;
  38 //belt_tooth_ratio = 0.5;
  39
  40 // For T type belts you will probably want 0.8mm or so.
  41 belt_thickness = 1.75;
  42
  43 // Choose bearing/bushing configuration ***************************************
  44 // conf_b_* are in inc/conf_bushing.scad
  45
  46 bushing_xy = conf_b_lm12luu;
  47 bushing_z = conf_b_lm12luu;
  48 // for longer bearings use one shorter in x-carriage to make place for belt attachment
  49 // by default use same as xy
  50 bushing_carriage = conf_b_lm12uu;
  51
  52 // Select idler bearing size **************************************************
  53 // [outer_diameter, width, inner_diameter, uses_guide]
  54 // 608 [standard skate bearings] with bearing guide
  55 bearing_608 = [22, 7, 8, 1];
  56 //608 bearings with fender washers. Not good at all, the belt brushes against the carriage
  57 bearing_608_washers = [22, 10, 8, 0];
  58 // one 625 with guides
  59 bearing_625 = [16, 5, 5, 1];
  60 // two 625 - for use without bearing guides.
  61 bearing_625_double = [16, 10, 5, 0];
  62
  63 // those two here are really good:
  64 bearing_624_double = [13, 10, 4, 0];
  65 // this one has roughly same diameter as pulley, makes belt parallel so its prettier
  66 bearing_623_double = [10, 8, 3, 0];
  67
  68 idler_bearing = bearing_624_double;
  69
  70 //Select carriage lenght
  71 // 30 for single carriage extruder (two holes with centers 30mm apart)
  72 // 50 for wade or single with fan (three holes, 30-20)
  73 // 80 for full length carriage (four holes, 30-20-30)
  74
  75 carriage_l_base = 80;
  76
  77 // Fillets ********************************************************************
  78 // mostly cosmetic, except z axis.
  79 // 0 = no fillets
  80 // 1 = fillet
  81
  82 use_fillets = 1;
  83
  84 //set to 0 for single plate (affects z axis and screws that attach RP parts tp frame)
  85 i_am_box = 1;
  86
  87 //if you do your own plate and can move bottom Z screws 5mm up set this to 0 to
  88 //get stronger motor mount. Only for i_am_box = 0
  89 i_want_to_use_single_plate_dxf_and_make_my_z_weaker = 1;
  90
  91 //radius of long threaded rod on Y frame
  92 //Use 5.4 for M10 or 4.4 for M8
  93 y_threaded_rod_long_r = 5.4;
  94
  95 // Thickness of the XZ plate board. Leave at 12 for single plate
  96 board_thickness = 18;
  97
  98 // segments of small holes. some poeple claim that a low value makes them easier to print.
  99 small_hole_segments=7;
 100
 101 // END of custom settings
 102
 103
 104 // You are not supposed to change this
 105 board_to_xz_distance = 26;
 106 xaxis_rod_distance = 45;
 107
 108 //calculated from settings
 109 single_wall_width = width_over_thickness * layer_height;
 110
 111 idler_width = (idler_bearing[1] > 7 ? idler_bearing[1] : 7) + 2.5 * idler_bearing[3] ;
 112
 113 //deltas are used to enlarge parts for bigger bearings
 114 xy_delta = ((bushing_xy[1] <= 7.7) ? 0 : bushing_xy[1] - 7.7) * 0.9;
 115 z_delta = (bushing_z[1] <= 7.7) ? 0 : bushing_z[1] - 7.7;
 116
 117 // CHANGE ONLY THE STUFF YOU KNOW
 118 // IT WILL REPLACE DEFAULT SETTING
 119
 120 // RODS
 121
 122 // threaded_rod_diameter = 0;
 123 // threaded_rod_diameter_horizontal = 0;
 124 // smooth_bar_diameter = 0;
 125 // smooth_bar_diameter_horizontal = 0;
 126
 127 // Nuts and bolts
 128
 129 // m8_diameter = 0;
 130 // m8_nut_diameter = 0;
 131
 132 // m4_diameter = 0;
 133 // m4_nut_diameter = 0;
 134
 135 // m3_diameter = 0;
 136 // m3_nut_diameter = 0;
 137
 138 // Bushing holder
 139
 140 // bushing_core_diameter = smooth_bar_diameter;
 141 // bushing_material_thickness = 0;
 142
 143 ///counted stuff
 144 m3_nut_diameter_bigger = ((m3_nut_diameter  / 2) / cos (180 / 6))*2;
 145
 146 // functions
 147 include <inc/functions.scad>
 148
 149 // These constants define the geometry of the complete-printer.scad
 150
 151 //x_smooth_rod_length=325;
 152 //y_smooth_rod_length=405;
 153 //z_smooth_rod_length=235;
 154 bed_x_size=225;
 155 bed_y_size=225;
 156
 157 x_smooth_rod_length=460+board_thickness*2; // 492 for 16mm thickness; 484 for 12mm thickness
 158 y_smooth_rod_length=470;
 159 z_smooth_rod_length=405;