Remove #

[clinton/prusa3.git] / box_frame / y-drivetrain.scad

diff --git a/box_frame/y-drivetrain.scad b/box_frame/y-drivetrain.scad
index b69118e..d8ba4f3 100644 (file)
--- a/box_frame/y-drivetrain.scad
+++ b/box_frame/y-drivetrain.scad
@@ -39,33 +39,38 @@ module motorholder(thickness=10){
     }
 }
 
-module oval(r=4, l=15, h=2){
+module oval(r=4, l=14, h=2){
     intersection() {
         union() {
             translate([l / 2, 0, 0]) cylinder(r=r, h=h, $fn=4);
-            translate([-l / 2, 0, 0]) cylinder(r=r, h=h, $fn=4);
+            //translate([-l / 2, 0, 0]) cylinder(r=r, h=h, $fn=4);
             translate([0, 0, h / 2]) cube([l, r * 2, h], center=true);
         }
         translate([0, 0, h / 2]) cube([l + r * 1.2, r * 2, h], center=true);
     }
 }
 
-
 module idlermount(len=42, narrow_len=0, narrow_width=0, rod=threaded_rod_diameter_horizontal / 2, idler_height=16){
     difference(){
         union(){
             //wide part holding bearing
-            translate([- (10 + idler_width) / 2, -25 + narrow_len, 0] ) cube_fillet([10 + idler_width, len + idler_bearing[2] - narrow_len, idler_height]);
+            translate([- (10 + idler_width) / 2, -25 + narrow_len, 0] ) cube_fillet([10 + idler_width, len + idler_bearing[2] * 1.1 - narrow_len, idler_height]);
             //For X there is narrow part inside the x-idler
             if (narrow_len > 0){
                 translate([-narrow_width / 2, -25, 0] ) cube_fillet([narrow_width, len + idler_bearing[2], idler_height], vertical=[0, 0, 2, 2]);
+                mirror([1, 0, 0]) translate([-narrow_width / 2, narrow_len -25, idler_height / 2 ]) fillet(1.5, idler_height - 0.04, $fn=8);
+                translate([-narrow_width / 2, narrow_len -25, idler_height / 2]) fillet(1.5, idler_height - 0.04, $fn=8);
             }
         }
-        translate([-12, -10, idler_height / 2]) rotate([90, 0, 90]) oval(r=rod, l=12, h=25);
-        //nut
-        translate([0, -17, idler_height / 2]) rotate([90, 0, 0]) cylinder(r=m4_nut_diameter_horizontal / 2, h=9, $fn=6, center=true);
-        translate([0, -19, idler_height / 2]) rotate([90, 90, 0]) cylinder(r=m4_diameter / 2, h=15, $fn=7, center=true);
+        translate([-12, -9, idler_height / 2]) rotate([90, 0, 90]) oval(r=rod + 0.01, l=12, h=25);
+        translate([0, -15 - single_wall_width, idler_height / 2]) {
+            //nut
+            rotate([90, 0, 0]) cylinder(r=m4_nut_diameter_horizontal / 2, h=3.3, $fn=6);
+            //nut insert
+            translate([0, -3.3, -m4_diameter * 1.5 / 2]) cube([20, 3.3, m4_diameter * 1.5]);
+        }
 
+        translate([0, -19, idler_height / 2]) rotate([90, 90, 0]) cylinder(r=m4_diameter / 2, h=15, $fn=7, center=true);
             translate([0, len + idler_bearing[2] - 33, idler_height / 2]) {
                 rotate([0, 90, 0]) idler_assy(idler_bearing);
                 translate([0, 10, 0]) cube([idler_width + 1, 20, idler_height + 2], center=true);