z-axis.scad

   1 use <inc/functions.scad>
   2 include <configuration.scad>
   3
   4
   5 module zmotorholder(thickness=10){
   6     difference(){
   7         union(){
   8             // Motor holding part
   9             difference(){
  10                 union(){
  11                     zrodholder(thickness=thickness, xlen=45, ylen=45);
  12                     translate([board_to_xz_distance, board_to_xz_distance, 0]) {
  13                         nema17(places=[0,1,1,1]);
  14                     }
  15                 }
  16
  17                 // motor screw holes
  18                 translate([board_to_xz_distance, board_to_xz_distance, thickness]) {
  19                     mirror([0,0,1])
  20                     nema17(places=[0,1,1,1], holes=true);
  21                 }
  22             }
  23         }
  24     }
  25 }
  26
  27
  28 module zrodholder(thickness=10, ylen=34, xlen=34){
  29     difference(){
  30         union(){
  31             // Rod holding part
  32             difference(){
  33                 union(){
  34                     //piece along the flat side of a board
  35                     cube_fillet([14, ylen, thickness]);
  36                     //hole for Z axis is thru this
  37                     cube_fillet([xlen, 14, thickness]);
  38                     //piece along cut side of the board
  39                     translate(v = [-board_thickness,0,0]) cube_fillet([board_thickness*2, 5, thickness], radius=2);
  40                 }
  41                 //smooth rod hole
  42                 #translate([board_to_xz_distance,5+(smooth_bar_diameter*1.05/2),-1]) cylinder(h=board_thickness+2, r=(smooth_bar_diameter*1.05/2));
  43                 //inside rouned corner
  44                 translate(v = [0,5,-1]) cylinder(r=1.2, h=thickness+2, $fn=8);
  45                 //side screw
  46                 translate([-board_thickness/2, 0, thickness/2]) rotate([-90, 0, 0]) screw();
  47                 //front screw
  48                 translate([14, 26, thickness/2]) rotate([0, -90, 0]) screw(head_drop=5);
  49             }
  50         }
  51     }
  52 }
  53
  54 translate(v = [0, -2, 0]) mirror([0,1,0])zmotorholder();
  55 translate(v = [0,2,0]) zmotorholder();
  56
  57 translate([21,-57,0]) zrodholder();
  58 translate(v = [20,57,0]) mirror([0,1,0]) zrodholder();