x-end.scad

   1 include <configuration.scad>
   2 use <bushing.scad>
   3 rod_distance = 45;
   4
   5 module x_end_motor(){
   6
   7     x_end_idler([3,3,0,0], thru=false);
   8     /// motor dummy
   9     //%translate([21-5,-21-11,25]) cube([42,42,42], center = true);
  10
  11
  12     difference(){
  13         union(){
  14             translate([-13.5,-16,26]) cube_fillet([17,14,52], center = true, vertical=[0,0,3,3], top=[0,3,6,3]);
  15             translate([-13.5,-34,9]) intersection(){
  16                 cube_fillet([17,37,18], center = true, vertical=[0,0,0,0], top=[0,3,5,3]);
  17                 translate([-17/2,10,-26]) rotate([45,0,0]) cube_fillet([17,60,60], radius=2);
  18             }
  19             translate([-22, -32, 30.25]) rotate([90, 0, 0])  rotate([0, 90, 0]) nema17(places=[1,0,1,1], h=17);
  20         }
  21
  22         // motor screw holes
  23         translate([21-5,-21-11,30.25]){
  24             // belt hole
  25             translate([-30,11,0]) cube([10,26,20], center = true);
  26             //motor mounting holes
  27             translate([-41, 0, 0]) rotate([90, 0, 0])  rotate([0, 90, 0]) nema17(places=[1,0,1,1], holes=true, shadow=17, $fn=6, h=20);
  28         }
  29     }
  30     //smooth rod caps
  31     translate([-22, -10.5, 0]) cube([17, 2, 15]);
  32     translate([-22, -10.5, 45]) cube([17, 2, 10]);
  33 }
  34
  35
  36 module x_end_idler(vfillet=[3,3,3,3], thru=true){
  37     difference(){
  38         union(){
  39             difference(){
  40                 translate([-4.5-10+2-1,17.5-10+2,30]) cube_fillet([15+2,35+5,60], center = true, vertical=vfillet, top=[5,3,5,3]);
  41                 //#translate([0,0,26]) cube_fillet([17,13.8,80], center = true);
  42                 //#cylinder(r=5.1, h=80);
  43                 bushing_negative(60);
  44             }
  45             //rotate([0,0,0]) translate([0,-9.5,0])
  46             echo(bearing_choice);
  47             if (bearing_choice == 1) {
  48                 linear_bushing();
  49             } else {
  50                 linear_bearing();
  51             }
  52             // Nut trap
  53             difference(){
  54                 if ((bearing_type == 1) || (bushing_type == 2)) {
  55                 translate([-2,17.5,4]) cube_fillet([16,18,8], center = true, vertical=[3,0,0,0]);
  56                 } else {
  57                 translate([-2,17.5,4]) cube_fillet([16,18,8], center = true, vertical=[3,0,0,3]);
  58                 }
  59
  60                 //bottom hole
  61                 translate([0,17,-1]) cylinder(h = 4, r=2.45);
  62                 //nut slid in
  63                 translate([5,17,4]) cube([21,9.5,4.1], center = true);
  64
  65                 translate([0,17,6.5]) cylinder(h = 4, r=2.45);
  66             }
  67         }
  68
  69         // belt hole
  70         translate([-5.5-10+1.5,22-10,30]) cube([10,46,32], center = true);
  71
  72         if(thru == true){
  73             translate([-14,-11,6]) rotate([-90,0,0]) pushfit_rod(8,50);
  74             translate([-14,-11,rod_distance+6]) rotate([-90,0,0]) pushfit_rod(8,50);
  75         } else {
  76             translate([-14,-7,6]) rotate([-90,0,0]) pushfit_rod(8,50);
  77             translate([-14,-7,rod_distance+6]) rotate([-90,0,0]) pushfit_rod(8,50);
  78         }
  79
  80         // idler hole
  81         translate([0,17+7,30.25]) rotate([0,-90,0]) cylinder(h = 80, r=2.2, $fn=30);
  82
  83     }
  84
  85     //threaded rod
  86     translate([0,17,0]) %cylinder(h = 70, r=2.5);
  87
  88 }
  89 mirror([0,0,0]) x_end_idler(thru=true);
  90 // translate([40,40,0]) x_end_idler(thru=false);
  91 translate([40,0,0]) mirror([0,1,0]) x_end_motor();
  92
  93 module pushfit_rod(diameter,length){
  94     cylinder(h = length, r=diameter/2, $fn=30);
  95     translate([0,-diameter/4,length/2]) cube([diameter,diameter/2,length], center = true);
  96
  97     translate([0,-diameter/2-1.2,length/2]) cube([diameter,1,length], center = true);
  98 }