src/bushing.scad

   1 module bushing(stiff, lenght=11){
   2         difference(){
   3                 union(){
   4                         translate(v=[-7.5,-8,0])cube(size = [15,8,lenght]);
   5                         cylinder(h = lenght, r=7.5);
   6                 }
   7         //cutout inside
   8         //Opening
   9         rotate(a=[0,0,45]) translate(v=[1,1,-1]) cube(size = [16,16,lenght+2]);
  10         //Cutouts to make it more bendy
  11         if(stiff){
  12                 translate(v=[-4.8,-6,-1]) cube(size = [0.8,6,lenght+2]);
  13                 translate(v=[4,-6,-1]) cube(size = [0.8,6,lenght+2]);
  14         }else{
  15                 translate(v=[-4.8,-8,-1]) cube(size = [0.8,8,lenght+2]);
  16                 translate(v=[4,-8,-1]) cube(size = [0.8,8,lenght+2]);
  17         }
  18         translate(v=[0,5,(lenght+2)/2]) cube(size = [7,8,lenght+2], center=true);
  19         translate(v=[0,0,-1]) cylinder(h = lenght+2, r=5);
  20         }
  21 }
  22
  23
  24 module standart_bushing(){
  25
  26 difference(){translate(v=[0,5,8])rotate(a=[90,0,0]){
  27 bushing(false, 10);
  28 translate(v=[-7,-13,0])cube(size = [14,5,10]);
  29 translate(v=[-2,-13,-3])cube(size = [4,5,16]);
  30 translate(v=[-2,-12,-3])cube(size = [4,7.5,2]);
  31 translate(v=[-2,-12,11])cube(size = [4,7.5,2]);
  32 }
  33 translate(v=[-3,-1,-16])rotate(a=[45,0,0])cube(size = [6,5,16]);
  34
  35 mirror([ 0, 1, 0 ]) translate(v=[-3,-1,-16])rotate(a=[45,0,0])cube(size = [6,5,16]);}
  36 }
  37
  38
  39 // Includes small cutouts for better prints
  40 module vertical_bushing(stiff, lenght){
  41 difference(){
  42 bushing(stiff, lenght);
  43 translate(v=[-5,0,-1]) cube(size = [10,2.5,lenght+2]);
  44 }
  45 }
  46
  47
  48 //vertical_bushing(true, 11);
  49
  50 module z_bushings(){
  51 // STUFF FOR X-ENDS
  52 difference(){
  53 // Slider.
  54 translate([0,6.5,30])
  55 cube([23,17,60],center=true);
  56 // Slider cutout.
  57 translate([0,10,32.5])
  58 cube([17,17,70],center=true);
  59 }
  60 union(){translate([0,9.5,0])vertical_bushing(true,13);
  61         //translate([0,4,0.5])cube(size = [8,2,1], center = true);
  62         //translate([0,4,12.5])cube(size = [8,2,1], center = true);
  63         translate([0,9.5,48])vertical_bushing(true,13);
  64         //translate([0,4,48+0.5])cube(size = [8,2,1], center = true);
  65         //translate([0,4,48+12.5])cube(size = [8,2,1], center = true);
  66         translate([0,9.5,32])
  67         {
  68                 difference()
  69                 {
  70                         bushing(true,16);
  71                         translate([0,3,2])
  72                         rotate([45,0,0])
  73                         cube([16,30,16], center=true);
  74                 }
  75         }
  76 }
  77 }
  78
  79
  80 // Linear bushing options
  81
  82 lm8uu_diameter=(lme8uu==true) ? 16 : 15;
  83 lm8uu_length=24;
  84 lm8uu_radius = lm8uu_diameter / 2;
  85 block_height = 2*lm8uu_length+17;
  86
  87
  88
  89 //z_bushings();
  90 //
  91 //linear_holder_base(60);
  92 //cut_corners(true, false, true, false);
  93
  94 module cut_corners(lf,lb,rf,rb){
  95         difference(){
  96         lm8uu_bearing_holder();
  97         if(lf) translate(v=[(10)-3,(-28.5/2)+3,0]) rotate(a=[0,0,45]) rotate(a=[35,0,0]) translate(v=[0,-5,0]) cube(size = [20,10,20], center = true);
  98         if(lb)translate(v=[(-10)+3,(-28.5/2)+3,0]) rotate(a=[0,0,-45]) rotate(a=[35,0,0]) translate(v=[0,-5,0]) cube(size = [20,10,20], center = true);
  99         mirror([ 0, 1, 0 ]){
 100         if(rf)translate(v=[(10)-3,(-28.5/2)+3,0]) rotate(a=[0,0,45]) rotate(a=[35,0,0]) translate(v=[0,-5,0]) cube(size = [20,10,20], center = true);
 101         if(rb)translate(v=[(-10)+3,(-28.5/2)+3,0]) rotate(a=[0,0,-45]) rotate(a=[35,0,0]) translate(v=[0,-5,0]) cube(size = [20,10,20], center = true);
 102         }
 103 }
 104 //lm8uu_bearing_holder();
 105 }
 106
 107 module linear_holder_base(length){
 108
 109 difference(){
 110 union(){
 111 //main block
 112 translate(v=[-(lm8uu_radius+2.5)/2,0,length/2]) cube(size = [lm8uu_radius+2.5,lm8uu_diameter+5,length], center = true);
 113 //translate(v=[-5,0,length/2]) cube(size = [10,20,length], center = true);
 114
 115 //holder for main block in x-end
 116 // leaving it out now
 117 //translate(v=[0,0,0]) cylinder(h = length, r=10, $fn=60);
 118
 119 //translate(v=[-5,0,15.8/2]) cube(size = [12,23,15.8], center = true);
 120 translate(v=[0,0,0]) cylinder(h = length, r=lm8uu_radius+2.5, $fn=60);
 121 }
 122 //main axis
 123 translate(v=[0,0,-2]) cylinder(h = length+4, r=(lm8uu_diameter+0.8)/2, $fn=50);
 124 // not needed for zip tie
 125 //main cut
 126 translate(v=[10,0,length/2]) cube(size = [20,14,length+4], center = true);
 127 //smooth entry cut
 128 translate(v=[12,0,length/2]) rotate(a=[0,0,45]) cube(size = [20,20,length+4], center = true);
 129 }
 130 }
 131
 132
 133 module y_linear_bearings(){
 134         difference(){
 135                 union(){
 136 translate(v=[0,0,1.5]) cube(size = [26,14,3], center = true);
 137 translate(v=[-13,0,0])rotate(a=[0,0,30])cylinder(h = 3, r=7, $fn=6);
 138 translate(v=[13,0,0])rotate(a=[0,0,30])cylinder(h = 3, r=7, $fn=6);
 139 }
 140
 141
 142 translate(v=[-14,0,0])polyhole(m3_diameter, 10);
 143 translate(v=[14,0,0])polyhole(m3_diameter, 10);
 144 //hack
 145 translate(v=[0,14.25,4.5]) rotate(a=[90,0,0]) translate(v=[0,9.5,0]) rotate(a=[0,0,90]){
 146         translate(v=[0,0,lm8uu_length/2+0.5]) ziptie();
 147 }
 148 }
 149
 150 cut_corners(true, true, true, true);
 151
 152
 153
 154 }
 155
 156 lm8uu_holder_length = lm8uu_length+4.5;
 157 lm8uu_holder_width= lm8uu_diameter+5;
 158
 159 module lm8uu_bearing_holder(){
 160 translate(v=[0,14.25,4.5])rotate(a=[90,0,0])translate(v=[0,9.5,0]) rotate(a=[0,0,90]){
 161
 162 difference(){
 163         union(){
 164                 linear_holder_base(lm8uu_length+4.5);
 165                 translate(v=[-10-2,0,lm8uu_holder_length/2]) cube(size = [4,20,lm8uu_holder_length], center = true);
 166         }
 167         translate(v=[0,0,12.5]) ziptie();
 168 }
 169
 170
 171 translate(v=[-(10-5.5)/2-5.5,0,0.75]) cube(size = [10-5.5,20,1.5], center = true);
 172 translate(v=[-(10-5.5)/2-5.5,0,lm8uu_length+3.75]) cube(size = [10-5.5,20,1.5], center = true);
 173
 174 }
 175 }
 176
 177 module lm8uu_bearing_cut()
 178         {
 179                 translate([-lm8uu_holder_width/2,-lm8uu_holder_length/2,-5])cube([lm8uu_holder_width,lm8uu_holder_length,20]);
 180         }
 181
 182
 183 module z_linear_bearings(){
 184
 185         translate(v=[0,9.5,0]) rotate(a=[0,0,90]){
 186                 //difference(){
 187                         linear_holder_base(65);
 188                 //      translate(v=[0,0,14.5+2]) ziptie();
 189                 //      translate(v=[0,0,block_height-(12+2)-5]) ziptie();
 190                 //}
 191
 192                 //x-end adapter
 193                 //difference(){
 194                 //      translate(v=[-6,0,15.8/2]) cube(size = [10,23,15.8], center = true);
 195                 //      translate(v=[0,0,-2]) cylinder(h = 20, r=7.9, $fn=50);
 196                 //}
 197                 translate(v=[-(10-5.5)/2-lm8uu_radius+2,0,0+1]) cube(size = [10-5.5,20,2], center = true);
 198                 //translate(v=[-(10-5.5)/2-lm8uu_radius+2,0,lm8uu_length+4.0]) cube(size = [10-5.5,20,2], center = true);
 199                 //translate(v=[-(10-5.5)/2-lm8uu_radius+2,0,64-lm8uu_length-3]) cube(size = [10-5.5,20,2], center = true);
 200                 translate(v=[-(10-5.5)/2-lm8uu_radius+2,0,64]) cube(size = [10-5.5,20,2], center = true);
 201         }
 202 }
 203
 204 module ziptie(){
 205 difference(){
 206 translate(v=[0,0,0]) cylinder(h = 3.9, r=lm8uu_diameter);
 207 translate(v=[0,0,0]) cylinder(h = 5, r=lm8uu_diameter-3, $fn=50);
 208 translate(v=[0,0,3]) cylinder(h = 1, r1=lm8uu_diameter-3, r2=lm8uu_diameter, $fn=50);
 209 }}
 210
 211
 212 z_linear_bearings();