Thomas Buck 6 anni fa
parent
commit
1dc89719da
1 ha cambiato i file con 87 aggiunte e 37 eliminazioni
  1. 87
    37
      lib/linear_bearing.scad

+ 87
- 37
lib/linear_bearing.scad Vedi File

@@ -74,7 +74,13 @@ e3d_clamp_cut = 0.2; // x2
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 e3d_clamp_hole_off = 4;
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 e3d_hole_dia = 3.2;
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-draw_x_carriage = true;
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+fan_mount_wall = 5;
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+fan_mount_inset = 5;
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+fan_width = 40;
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+fan_height = 20;
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+fan_hole_off = 3; // TODO measure!
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+
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+draw_x_carriage = false;
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 draw_y_carriage = false;
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 draw_y_carriage_idlers = true;
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 draw_rail_len = 200;
@@ -90,6 +96,13 @@ module lm8uu() {
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 // TODO add cable tie canal for lm8uu mounting
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+// TODO mounting holes on actual carriage
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+
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+// TODO also universal mounting holes
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+// at front and back of carriage.
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+// front: auto level sensor
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+// back: filament fan
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+
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 // TODO get ready to actually print these
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 module generate_spacer(pos) {
@@ -422,53 +435,88 @@ module e3d_v6_triple_mount() {
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             cylinder(d = e3d_upper_small_dia + e3d_clamp_dia_add, h = e3d_clamp_height + 2);
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     }
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-    fan_mount_wall = 5;
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-    fan_mount_inset = 5;
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-    fan_width = 40;
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-    fan_height = 20;
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-    
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+    e3d_v6_triple_fan();
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+}
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+
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+module simple_fan() {
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+    difference() {
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+        cube([fan_height, fan_width, fan_width]);
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+        translate([-1, fan_width / 2, fan_width / 2])
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+            rotate([0, 90, 0])
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+            cylinder(d = fan_width - 5, h = fan_height + 2);
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+    }
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+}
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+
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+module fan_mount() {
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+    difference() {
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+        cube([fan_mount_wall, fan_width, fan_width + x_carriage_wall]);
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+        
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+        translate([-1, fan_mount_inset, fan_mount_inset])
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+            cube([fan_mount_wall + 2, fan_width - (fan_mount_inset * 2), fan_width - (fan_mount_inset * 2)]);
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+    }
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+}
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+
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+module e3d_v6_triple_fan() {
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     difference() {
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         union() {
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             translate([x_carriage_width, (x_carriage_length - fan_width) / 2, -fan_width]) {
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-                // hotend cooling fan
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-                color("grey")
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+                // hotend cooling fan on right side
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                 %translate([fan_mount_wall, 0, 0])
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-                difference() {
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-                    cube([fan_height, fan_width, fan_width]);
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-                    translate([-1, fan_width / 2, fan_width / 2])
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-                        rotate([0, 90, 0])
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-                        cylinder(d = fan_width - 5, h = fan_height + 2);
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-                }
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+                    simple_fan();
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-                // fan mount
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+                // hotend cooling fan on left side
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+                %translate([-x_carriage_width - fan_height - fan_mount_wall, 0, 0])
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+                    simple_fan();
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+                
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+                // fan mount on right side
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                 color("orange")
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-                difference() {
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-                    cube([fan_mount_wall, fan_width, fan_width + x_carriage_wall]);
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-                    
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-                    translate([-1, fan_mount_inset, fan_mount_inset])
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-                        cube([fan_mount_wall + 2, fan_width - (fan_mount_inset * 2), fan_width - (fan_mount_inset * 2)]);
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-                }
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+                fan_mount();
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+                
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+                // fan mount on left side
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+                color("orange")
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+                translate([-x_carriage_width - fan_mount_wall, 0, 0])
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+                    fan_mount();
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             }
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             // fan duct
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             color("orange")
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             translate([x_carriage_width, (x_carriage_length - fan_width) / 2, 0])
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             difference() {
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-                fan_duct(40, (fan_width - 40) / 2);
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-                fan_duct(37, (fan_width - 37) / 2);
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+                fan_duct(fan_width, 0);
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+                fan_duct(fan_width, 3);
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             }
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         }
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-        // TODO mounting holes
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-        // TODO fan holes
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+        // mounting holes on carriage
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+        translate([-fan_mount_wall - fan_height - 1, x_carriage_length / 2, x_carriage_wall / 2])
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+        for (i = [-1 : 2 : 1]) {
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+            translate([0, i * ((fan_width / 2) - 8), 0])
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+                rotate([0, 90, 0])
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+                cylinder(d = 3.2, h = x_carriage_width + (2 * (fan_height + fan_mount_wall + 1)));
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+        }
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+        
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+        // fan holes (self-tapping)
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+        translate([-fan_mount_wall - fan_height - 1, x_carriage_length / 2, -fan_width / 2])
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+        for (i = [-1 : 2 : 1]) {
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+            for (j = [-1 : 2 : 1]) {
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+                translate([0, i * ((fan_width / 2) - fan_hole_off), j * ((fan_width / 2) - fan_hole_off)])
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+                    rotate([0, 90, 0])
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+                    cylinder(d = 2.7, h = fan_height + fan_mount_wall + 5);
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+                translate([fan_height + fan_mount_wall + x_carriage_width - 3, i * ((fan_width / 2) - fan_hole_off), j * ((fan_width / 2) - fan_hole_off)])
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+                    rotate([0, 90, 0])
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+                    cylinder(d = 2.7, h = fan_height + fan_mount_wall + 5);
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+            }
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+        }
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     }
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 }
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-module fan_duct(size, off) {
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+module fan_duct(fan_width, diff) {
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+    size = fan_width - diff;
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+    off = (fan_width - size) / 2;
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     difference() {
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         translate([0, off, -size - off]) {
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             hull() {
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-                cube([1, size, size]);
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+                cube([1 + (diff / 10), size, size]);
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                 translate([-10, 0, 10])
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                     cube([1, size, size - 11]);
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             }
@@ -493,22 +541,24 @@ module fan_duct(size, off) {
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             hull() {
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                 translate([-55, -6, 17])
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                     cube([1, size + 12, size - 20]);
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-                if (off > 0) {
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-                    translate([-71, 15, 17])
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-                        cube([1, size - 12, size - 20]);
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-                } else {
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-                    translate([-70, 15, 17])
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-                        cube([1, size - 12, size - 20]);
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-                }
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+                translate([-70, 15 - 10, 17])
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+                        cube([1, size - 12 + 10, size - 20]);
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+            }
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+            hull() {
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+                translate([-70, 15 - 10, 17])
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+                        cube([1, size - 12 + 10, size - 20]);
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+                
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+                translate([-80 - (off / 10), 0, 0])
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+                    cube([1 + (off / 10), size, size]);
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             }
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         }
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         translate([-26, 29.5, -size - 20])
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-            cylinder(d = e3d_max_dia + 3, h = 100);
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+            cylinder(d = e3d_max_dia + 3 - diff, h = 100);
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         translate([-26 - e3d_v6_dist_x, 29.5, -size - 20])
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-            cylinder(d = e3d_max_dia + 3, h = 100);
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+            cylinder(d = e3d_max_dia + 3 - diff, h = 100);
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         translate([-26 - e3d_v6_dist_x / 2, 29.5 - e3d_v6_dist_y, -size - 20])
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-            cylinder(d = e3d_max_dia + 3, h = 100);
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+            cylinder(d = e3d_max_dia + 3 - diff, h = 100);
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     }
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 }
514 564
 

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