box_frame/configuration.scad.single_plate

   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 // This configuration mimics single_plate
  10 // with Contitech HTD 3m belts
  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 // For T type belts you will probably want 0.8mm or so.
  44 belt_thickness = 1.75;
  45
  46 // Choose bearing/bushing configuration ***************************************
  47 // conf_b_* are in inc/conf_bushing.scad
  48
  49 bushing_xy = conf_b_lm8uu;
  50 bushing_z = conf_b_lm8uu;
  51 // for longer bearings use one shorter in x-carriage to make place for belt attachment
  52 // by default use same as xy
  53 bushing_carriage = bushing_xy;
  54
  55 // Select idler bearing size **************************************************
  56 // [outer_diameter, width, inner_diameter, uses_guide]
  57 // 608 [standard skate bearings] with bearing guide
  58 bearing_608 = [22, 7, 8, 1];
  59 //608 bearings with fender washers
  60 bearing_608_washers = [22, 10, 8, 0];
  61 // 624 [roughly same diameter as pulley, makes belt parallel so its prettier]
  62 bearing_624 = [16, 5, 4, 1];
  63 // two 624 - for use without bearing guides. My favourite [ax]
  64 bearing_624_double = [16, 10, 4, 0];
  65
  66 idler_bearing = bearing_624_double;
  67
  68 // Fillets ********************************************************************
  69 // mostly cosmetic, except z axis.
  70 // 0 = no fillets
  71 // 1 = fillet
  72
  73 use_fillets = 1;
  74
  75 //set to 0 for single plate (affects z axis)
  76 i_am_box = 0;
  77
  78 //if you do your own plate and can move bottom Z screws 5mm up set this to 0 to
  79 //get stronger motor mount. Only for i_am_box = 0
  80 i_want_to_use_single_plate_dxf_and_make_my_z_weaker = 1;
  81
  82 //radius of long threaded rod on Y frame
  83 //Use 5.4 for M10 or 4.4 for M8
  84 y_threaded_rod_long_r = 5.4;
  85
  86 // Thickness of the XZ plate board. Leave at 12 for single plate
  87 board_thickness = 12;
  88
  89 // END of custom settings
  90
  91
  92 // You are not supposed to change this
  93 board_to_xz_distance = 26;
  94 xaxis_rod_distance = 45;
  95
  96 //calculated from settings
  97 single_wall_width = width_over_thickness * layer_height;
  98
  99 idler_width = (idler_bearing[1] > 7 ? idler_bearing[1] : 7) + 2.5 * idler_bearing[3] ;
 100
 101 //deltas are used to enlarge parts for bigger bearings
 102 xy_delta = ((bushing_xy[1] <= 7.7) ? 0 : bushing_xy[1] - 7.7) * 0.9;
 103 z_delta = (bushing_z[1] <= 7.7) ? 0 : bushing_z[1] - 7.7;
 104
 105 // CHANGE ONLY THE STUFF YOU KNOW
 106 // IT WILL REPLACE DEFAULT SETTING
 107
 108 // RODS
 109
 110 // threaded_rod_diameter = 0;
 111 // threaded_rod_diameter_horizontal = 0;
 112 // smooth_bar_diameter = 0;
 113 // smooth_bar_diameter_horizontal = 0;
 114
 115 // Nuts and bolts
 116
 117 // m8_diameter = 0;
 118 // m8_nut_diameter = 0;
 119
 120 // m4_diameter = 0;
 121 // m4_nut_diameter = 0;
 122
 123 // m3_diameter = 0;
 124 // m3_nut_diameter = 0;
 125
 126 // Bushing holder
 127
 128 // bushing_core_diameter = smooth_bar_diameter;
 129 // bushing_material_thickness = 0;
 130
 131 ///counted stuff
 132 m3_nut_diameter_bigger = ((m3_nut_diameter  / 2) / cos (180 / 6))*2;
 133
 134 // functions
 135 include <inc/functions.scad>
 136
 137 // These constants define the geometry of the complete-printer.scad
 138
 139 //x_smooth_rod_length=325;
 140 //y_smooth_rod_length=405;
 141 //z_smooth_rod_length=235;
 142 bed_x_size=225;
 143 bed_y_size=225;
 144
 145 x_smooth_rod_length=460+board_thickness*2; // 492 for 16mm thickness; 484 for 12mm thickness
 146 y_smooth_rod_length=470;
 147 z_smooth_rod_length=405;