box_frame/configuration.scad.dist

   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 // PLEASE SELECT ONE OF THE CONFIGURATIONS BELOW
  10 // BY UN-COMMENTING IT
  11
  12 include <inc/metric.scad>;
  13 include <inc/conf_bushing.scad>;
  14
  15 // Custom settings here, tailor to your supplies and print settings
  16
  17 layer_height = 0.3;
  18 width_over_thickness = 2.2;
  19
  20 // Select your belt type ******************************************************
  21
  22 //T2.5
  23 belt_tooth_distance = 2.5;
  24 belt_tooth_ratio = 0.5;
  25
  26 //T5 (strongly discouraged)
  27 //belt_tooth_distance = 5;
  28 //belt_tooth_ratio = 0.75;
  29
  30 //HTD3
  31 //belt_tooth_distance = 3;
  32 //belt_tooth_ratio = 0.75;
  33
  34 //MXL
  35 //belt_tooth_distance = 2.032;
  36 //belt_tooth_ratio = 0.64;
  37
  38 //GT2 there is bunch of GT2 belts with different tooth-to-tooth distance
  39 //adjust to your needs
  40 //belt_tooth_distance = 2;
  41 //belt_tooth_ratio = 0.5;
  42
  43 // Choose bearing/bushing configuration ***************************************
  44 // conf_b_* are in inc/conf_bushing.scad
  45
  46 bushing_xy = conf_b_lm8uu;
  47 bushing_z = conf_b_lm8uu;
  48
  49 // Select idler bearing size **************************************************
  50 // [outer_diameter, width, inner_diameter, uses_guide]
  51 // 608 [standard skate bearings]
  52 bearing_608 = [22, 7, 8, 1];
  53 // 624 [roughly same diameter as pulley, makes belt parallel so its prettier]
  54 bearing_624 = [16, 5, 4, 1];
  55 // two 624 - for use without bearing guides
  56 bearing_624_double = [16, 10, 4, 0];
  57
  58 idler_bearing = bearing_624_double;
  59
  60 // Fillets ********************************************************************
  61 // mostly cosmetic, except z axis.
  62 // 0 = no fillts
  63 // 1 = fillet
  64
  65 use_fillets = 1;
  66
  67 //set to 0 for single plate (affects z axis)
  68 i_am_box = 1;
  69
  70 //if you do your own plate and can move bottom Z screws 5mm up set this to 0 to
  71 //get stronger motor mount. Only for i_am_box = 0
  72 i_want_to_use_single_plate_dxf_and_make_my_z_weaker = 1;
  73
  74 //radius of long threaded rod on Y frame
  75 //Use 5.4 for M10 or 4.4 for M8
  76
  77 y_threaded_rod_long_r = 5.4;
  78
  79 // Thickness of the XZ plate board. Leave at 12 for single plate
  80 board_thickness = 12;
  81
  82 // END of custom settings
  83
  84
  85 // You are not supposed to change this
  86 board_to_xz_distance = 26;
  87 xaxis_rod_distance = 45;
  88
  89 //calculated from settings
  90 single_wall_width = width_over_thickness * layer_height;
  91
  92 idler_size = (idler_bearing == 0) ? 22 : 13;
  93
  94 idler_size_inner_r = (idler_bearing == 0) ? 4.5 : 2.5;
  95
  96 idler_width = (idler_bearing[1] > 7 ? idler_bearing[1] : 7) + 2 * idler_bearing[3];
  97
  98
  99 //deltas are used to enlarge parts for bigger bearings
 100 xy_delta = ((bushing_xy[1] <= 7.7) ? 0 : bushing_xy[1] - 7.7) * 0.9;
 101 z_delta = (bushing_z[1] <= 7.7) ? 0 : bushing_z[1] - 7.7;
 102
 103 // CHANGE ONLY THE STUFF YOU KNOW
 104 // IT WILL REPLACE DEFAULT SETTING
 105
 106 // RODS
 107
 108 // threaded_rod_diameter = 0;
 109 // threaded_rod_diameter_horizontal = 0;
 110 // smooth_bar_diameter = 0;
 111 // smooth_bar_diameter_horizontal = 0;
 112
 113 // Nuts and bolts
 114
 115 // m8_diameter = 0;
 116 // m8_nut_diameter = 0;
 117
 118 // m4_diameter = 0;
 119 // m4_nut_diameter = 0;
 120
 121 // m3_diameter = 0;
 122 // m3_nut_diameter = 0;
 123
 124 // Bushing holder
 125
 126 // bushing_core_diameter = smooth_bar_diameter;
 127 // bushing_material_thickness = 0;
 128
 129 ///counted stuff
 130 m3_nut_diameter_bigger = ((m3_nut_diameter  / 2) / cos (180 / 6))*2;
 131
 132 // functions
 133 include <inc/functions.scad>
 134
 135 // These constants define the geometry of the complete-printer.scad
 136
 137 //x_smooth_rod_length=325;
 138 //y_smooth_rod_length=405;
 139 //z_smooth_rod_length=235;
 140 bed_x_size=225;
 141 bed_y_size=225;
 142
 143 x_smooth_rod_length=460+board_thickness*2; // 492 for 16mm thickness; 484 for 12mm thickness
 144 y_smooth_rod_length=470;
 145 z_smooth_rod_length=405;