openscad/Mendel90
1
0
Fork 0
mirror of https://github.com/nophead/Mendel90.git synced 2025-08-31 16:51:45 +02:00
Code Issues Releases Wiki Activity

Fixed missalignment of E3D fan duct in master branch.

Browse Source
This commit is contained in:
Chris Palmer
2016-01-17 12:46:37 +00:00
parent 69b7f01d60
commit 86517088db
1 changed files with 13 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
scad/x-carriage.scad
View File

@@ -242,6 +242,7 @@ module x_belt_tensioner_stl()
}
duct_wall = 2 * 0.35 * 1.5;
duct_bottom_thickness = duct_wall;
duct_top_thickness = 2;
fan_nut_trap_thickness = 4;
fan_bracket_thickness = 3;
@@ -276,6 +277,7 @@ fan_x = base_offset;
fan_y = -(width / 2 + fan_width(part_fan) / 2) - (X_carriage_clearance + belt_width(X_belt) + belt_clearance);
fan_z = nozzle_length(hot_end) + hot_end_duct_offset(hot_end)[2] - duct_height_fan - fan_depth(part_fan) / 2;
fan_x_duct = fan_x - hot_end_duct_offset(hot_end)[0];
fan_y_duct = -fan_y + hot_end_duct_offset(hot_end)[1];
module throat(inner) {
@@ -291,10 +293,10 @@ module throat(inner) {
module neck(inner) {
iw = 2 * (fan_hole_pitch(part_fan) - fan_screw_boss_r) - 3;
if(inner)
translate([fan_x - iw / 2, fan_y_duct - fan_bore(part_fan) / 2, duct_wall])
cube([iw, 2 * eta, duct_height_fan - duct_wall - duct_top_thickness]);
translate([fan_x_duct - iw / 2, fan_y_duct - fan_bore(part_fan) / 2, duct_bottom_thickness])
cube([iw, 2 * eta, duct_height_fan - duct_bottom_thickness - duct_top_thickness]);
else
translate([fan_x - fan_width / 2, fan_y_duct - fan_width / 2, 0])
translate([fan_x_duct - fan_width / 2, fan_y_duct - fan_width / 2, 0])
cube([fan_width, 2 * eta, duct_height_fan]);
}
@@ -308,7 +310,7 @@ module x_carriage_fan_duct_stl() {
// fan input
hull() {
for(side = [-1, 1])
translate([fan_x + side * fan_hole_pitch(part_fan), fan_y_duct + fan_hole_pitch(part_fan), 0])
translate([fan_x_duct + side * fan_hole_pitch(part_fan), fan_y_duct + fan_hole_pitch(part_fan), 0])
cylinder(r = fan_screw_boss_r, h = duct_height_fan);
neck(false);
}
@@ -332,19 +334,19 @@ module x_carriage_fan_duct_stl() {
translate([0, 0, -2 * eta])
cylinder(r1 = ir, r2 = ir + skew, h = nozzle_height + 4 * eta);
translate([0, 0, nozzle_height - 2 * eta])
cylinder(r = ir + skew, h = duct_height_nozzle - nozzle_height + 4 * eta);
cylinder(r = ir + skew, h = duct_height_nozzle);
// fan entrance
hull() {
translate([fan_x, fan_y_duct, duct_wall + duct_height_fan - duct_wall - duct_top_thickness])
translate([fan_x_duct, fan_y_duct, duct_height_fan - duct_top_thickness])
rotate([180, 0, 0])
rounded_cylinder(r = fan_bore(part_fan) / 2, h = duct_height_fan - duct_wall - duct_top_thickness, r2 = duct_height_fan / 2);
rounded_cylinder(r = fan_bore(part_fan) / 2, h = duct_height_fan - duct_bottom_thickness - duct_top_thickness, r2 = duct_height_fan / 2);
neck(true);
}
translate([0, 0, duct_height_fan - duct_wall - duct_top_thickness - 1])
hull() {
translate([fan_x, fan_y_duct, duct_wall])
translate([fan_x_duct, fan_y_duct, duct_wall])
cylinder(r = fan_bore(part_fan) / 2, h = duct_height_fan - duct_wall - duct_top_thickness);
neck(true);
@@ -363,7 +365,7 @@ module x_carriage_fan_duct_stl() {
cylinder(r1 = or - duct_wall, r2 = or + skew - duct_wall, h = nozzle_height);
hull() {
translate([0, 0, nozzle_height - 2 * eta])
cylinder(r = or + skew - duct_wall, h = duct_height_nozzle - nozzle_height - 5 * layer_height);
cylinder(r = or + skew - duct_wall, h = duct_height_nozzle - nozzle_height - duct_top_thickness);
throat(true);
}
}
@@ -377,13 +379,13 @@ module x_carriage_fan_duct_stl() {
}
}
for(side = [-1, 1])
translate([fan_x + side * fan_hole_pitch(part_fan), fan_y_duct - fan_hole_pitch(part_fan), 0])
translate([fan_x_duct + side * fan_hole_pitch(part_fan), fan_y_duct - fan_hole_pitch(part_fan), 0])
cylinder(r = fan_screw_boss_r, h = duct_height_fan);
}
//
// Fan screw nut traps
//
translate([fan_x, fan_y_duct, -fan_depth(part_fan) / 2])
translate([fan_x_duct, fan_y_duct, -fan_depth(part_fan) / 2])
fan_hole_positions(part_fan) group() {
nut_trap(screw_clearance_radius(fan_screw), nut_radius(screw_nut(fan_screw)), duct_height_fan - fan_nut_trap_thickness, supported = true);
nut_trap(0, nut_radius(screw_nut(fan_screw)) + 0.15, duct_height_fan - fan_nut_trap_thickness - nut_trap_depth(fan_nut));