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Shrinkage relief for more parts. Fan shroud more integrated.

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Revar Desmera
2014-11-19 21:52:15 -08:00
parent 5219126cc4
commit a0fbffb3db
25 changed files with 384702 additions and 387063 deletions
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STLs/build_platform_support_parts.stl
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STLs/cable_chain_link_parts.stl
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STLs/drive_gear_parts.stl
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STLs/extruder_fan_shroud_parts.stl
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STLs/rail_endcap_parts.stl
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STLs/rail_motor_segment_parts.stl
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STLs/rail_segment_parts.stl
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vertex -52.6046 -75.825 11.0711
@@ -18591,20 +18591,6 @@ solid OpenSCAD_Model
vertex -45 -58.5 17.5
endloop
endfacet
facet normal 0 0 1
outer loop
vertex -24.5 -44.6644 1
vertex -24.5 -58.5 1
vertex -23.5 -58.5 1
endloop
endfacet
facet normal 0 0 1
outer loop
vertex -23.5 -44.028 1
vertex -24.5 -44.6644 1
vertex -23.5 -58.5 1
endloop
endfacet
facet normal 1 0 0
outer loop
vertex -24.5 -44.6644 1
@@ -18619,6 +18605,20 @@ solid OpenSCAD_Model
vertex -24.5 -58.5 6
endloop
endfacet
facet normal 0 0 1
outer loop
vertex -24.5 -44.6644 1
vertex -24.5 -58.5 1
vertex -23.5 -58.5 1
endloop
endfacet
facet normal 0 0 1
outer loop
vertex -23.5 -44.028 1
vertex -24.5 -44.6644 1
vertex -23.5 -58.5 1
endloop
endfacet
facet normal -1 0 0
outer loop
vertex -23.5 -44.028 6
@@ -18703,20 +18703,6 @@ solid OpenSCAD_Model
vertex -5 -58.5 17.5
endloop
endfacet
facet normal 0 0 1
outer loop
vertex -0.5 -53.5 1
vertex -0.5 -58.5 1
vertex 0.5 -58.5 1
endloop
endfacet
facet normal 0 0 1
outer loop
vertex 0.5 -53.5 1
vertex -0.5 -53.5 1
vertex 0.5 -58.5 1
endloop
endfacet
facet normal 1 0 0
outer loop
vertex -0.5 -53.5 1
@@ -18731,6 +18717,20 @@ solid OpenSCAD_Model
vertex -0.5 -58.5 6
endloop
endfacet
facet normal 0 0 1
outer loop
vertex -0.5 -53.5 1
vertex -0.5 -58.5 1
vertex 0.5 -58.5 1
endloop
endfacet
facet normal 0 0 1
outer loop
vertex 0.5 -53.5 1
vertex -0.5 -53.5 1
vertex 0.5 -58.5 1
endloop
endfacet
facet normal -1 0 0
outer loop
vertex 0.5 -53.5 6
@@ -18759,20 +18759,6 @@ solid OpenSCAD_Model
vertex -0.5 -58.5 6
endloop
endfacet
facet normal 0 0 1
outer loop
vertex 23.5 -44.028 1
vertex 23.5 -58.5 1
vertex 24.5 -58.5 1
endloop
endfacet
facet normal 0 0 1
outer loop
vertex 24.5 -44.6644 1
vertex 23.5 -44.028 1
vertex 24.5 -58.5 1
endloop
endfacet
facet normal 1 0 0
outer loop
vertex 23.5 -44.028 1
@@ -18787,6 +18773,20 @@ solid OpenSCAD_Model
vertex 23.5 -58.5 6
endloop
endfacet
facet normal 0 0 1
outer loop
vertex 23.5 -44.028 1
vertex 23.5 -58.5 1
vertex 24.5 -58.5 1
endloop
endfacet
facet normal 0 0 1
outer loop
vertex 24.5 -44.6644 1
vertex 23.5 -44.028 1
vertex 24.5 -58.5 1
endloop
endfacet
facet normal -1 0 0
outer loop
vertex 24.5 -44.6644 6
@@ -18871,20 +18871,6 @@ solid OpenSCAD_Model
vertex 35 -58.5 17.5
endloop
endfacet
facet normal 0 0 1
outer loop
vertex 47.5 -53.5 1
vertex 47.5 -58.5 1
vertex 48.5 -58.5 1
endloop
endfacet
facet normal 0 0 1
outer loop
vertex 48.5 -53.5 1
vertex 47.5 -53.5 1
vertex 48.5 -58.5 1
endloop
endfacet
facet normal 1 0 0
outer loop
vertex 47.5 -53.5 1
@@ -18899,6 +18885,20 @@ solid OpenSCAD_Model
vertex 47.5 -58.5 6
endloop
endfacet
facet normal 0 0 1
outer loop
vertex 47.5 -53.5 1
vertex 47.5 -58.5 1
vertex 48.5 -58.5 1
endloop
endfacet
facet normal 0 0 1
outer loop
vertex 48.5 -53.5 1
vertex 47.5 -53.5 1
vertex 48.5 -58.5 1
endloop
endfacet
facet normal -1 0 0
outer loop
vertex 48.5 -53.5 6
@@ -18983,20 +18983,6 @@ solid OpenSCAD_Model
vertex -23.5 65 1
endloop
endfacet
facet normal 1 0 0
outer loop
vertex -0.5 75 1
vertex -0.5 75 6
vertex -0.5 65 6
endloop
endfacet
facet normal 1 0 0
outer loop
vertex -0.5 65 1
vertex -0.5 75 1
vertex -0.5 65 6
endloop
endfacet
facet normal 0 0 -1
outer loop
vertex 0.5 75 6
@@ -19011,6 +18997,20 @@ solid OpenSCAD_Model
vertex -0.5 65 6
endloop
endfacet
facet normal 1 0 0
outer loop
vertex -0.5 75 1
vertex -0.5 75 6
vertex -0.5 65 6
endloop
endfacet
facet normal 1 0 0
outer loop
vertex -0.5 65 1
vertex -0.5 75 1
vertex -0.5 65 6
endloop
endfacet
facet normal -1 0 0
outer loop
vertex 0.5 75 6
@@ -19039,20 +19039,6 @@ solid OpenSCAD_Model
vertex 0.5 65 1
endloop
endfacet
facet normal 0 0 -1
outer loop
vertex 24.5 75 6
vertex 24.5 65 6
vertex 23.5 75 6
endloop
endfacet
facet normal 0 0 -1
outer loop
vertex 23.5 75 6
vertex 24.5 65 6
vertex 23.5 65 6
endloop
endfacet
facet normal 1 0 0
outer loop
vertex 23.5 75 1
@@ -19067,6 +19053,20 @@ solid OpenSCAD_Model
vertex 23.5 65 6
endloop
endfacet
facet normal 0 0 -1
outer loop
vertex 24.5 75 6
vertex 24.5 65 6
vertex 23.5 75 6
endloop
endfacet
facet normal 0 0 -1
outer loop
vertex 23.5 75 6
vertex 24.5 65 6
vertex 23.5 65 6
endloop
endfacet
facet normal -1 0 0
outer loop
vertex 24.5 75 6
@@ -21783,20 +21783,6 @@ solid OpenSCAD_Model
vertex 60 30.5 1
endloop
endfacet
facet normal 2.22045e-16 0 -1
outer loop
vertex 56.4167 -74.9997 1.2527e-14
vertex 56.4167 -74.9971 1.2527e-14
vertex 59.9989 -74.9997 1.33224e-14
endloop
endfacet
facet normal 2.22045e-16 0 -1
outer loop
vertex 59.9989 -74.9997 1.33224e-14
vertex 56.4167 -74.9971 1.2527e-14
vertex 59.9892 -74.9971 1.33203e-14
endloop
endfacet
facet normal -0.258819 -0.965926 0
outer loop
vertex 59.9989 -74.9997 1.33224e-14
@@ -21811,6 +21797,20 @@ solid OpenSCAD_Model
vertex 59.9892 -74.9971 0
endloop
endfacet
facet normal 2.22045e-16 0 -1
outer loop
vertex 56.4167 -74.9997 1.2527e-14
vertex 56.4167 -74.9971 1.2527e-14
vertex 59.9989 -74.9997 1.33224e-14
endloop
endfacet
facet normal 2.22045e-16 0 -1
outer loop
vertex 59.9989 -74.9997 1.33224e-14
vertex 56.4167 -74.9971 1.2527e-14
vertex 59.9892 -74.9971 1.33203e-14
endloop
endfacet
facet normal 0.707107 -0.707107 0
outer loop
vertex 61.6667 -74.5534 0.772999
@@ -22721,20 +22721,6 @@ solid OpenSCAD_Model
vertex 56.6812 69.7076 15.8333
endloop
endfacet
facet normal -5.74694e-17 0.965926 0.258819
outer loop
vertex 57.9313 73.35 12.5
vertex 60 73.35 12.5
vertex 60 73.5711 11.675
endloop
endfacet
facet normal -5.74694e-17 0.965926 0.258819
outer loop
vertex 57.9313 73.35 12.5
vertex 60 73.5711 11.675
vertex 57.6219 73.5711 11.675
endloop
endfacet
facet normal -1.57009e-16 0.707107 0.707107
outer loop
vertex 60 73.5711 11.675
@@ -22749,6 +22735,20 @@ solid OpenSCAD_Model
vertex 57.3954 74.175 11.0711
endloop
endfacet
facet normal -5.74694e-17 0.965926 0.258819
outer loop
vertex 57.9313 73.35 12.5
vertex 60 73.35 12.5
vertex 60 73.5711 11.675
endloop
endfacet
facet normal -5.74694e-17 0.965926 0.258819
outer loop
vertex 57.9313 73.35 12.5
vertex 60 73.5711 11.675
vertex 57.6219 73.5711 11.675
endloop
endfacet
facet normal -2.14479e-16 0.258819 0.965926
outer loop
vertex 57.3954 74.175 11.0711
@@ -23743,20 +23743,6 @@ solid OpenSCAD_Model
vertex -56.675 80.2828 40.85
endloop
endfacet
facet normal 3.3277e-16 -0.258819 -0.965926
outer loop
vertex -57.3954 75.825 38.9289
vertex -57.3125 75 39.15
vertex -60 75.825 38.9289
endloop
endfacet
facet normal 3.3277e-16 -0.258819 -0.965926
outer loop
vertex -60 75.825 38.9289
vertex -57.3125 75 39.15
vertex -60 75 39.15
endloop
endfacet
facet normal 3.3277e-16 0.258819 -0.965926
outer loop
vertex -57.3954 74.175 38.9289
@@ -23771,6 +23757,20 @@ solid OpenSCAD_Model
vertex -60 75 39.15
endloop
endfacet
facet normal 3.3277e-16 -0.258819 -0.965926
outer loop
vertex -57.3954 75.825 38.9289
vertex -57.3125 75 39.15
vertex -60 75.825 38.9289
endloop
endfacet
facet normal 3.3277e-16 -0.258819 -0.965926
outer loop
vertex -60 75.825 38.9289
vertex -57.3125 75 39.15
vertex -60 75 39.15
endloop
endfacet
facet normal 2.43605e-16 -0.707107 -0.707107
outer loop
vertex -60 76.4289 38.325
@@ -31359,20 +31359,6 @@ solid OpenSCAD_Model
vertex 50 -80.2924 34.1667
endloop
endfacet
facet normal 2.07457e-16 0.965926 0.258819
outer loop
vertex 50 -76.65 37.5
vertex 52.0687 -76.65 37.5
vertex 52.3781 -76.4289 36.675
endloop
endfacet
facet normal 2.07457e-16 0.965926 0.258819
outer loop
vertex 50 -76.65 37.5
vertex 52.3781 -76.4289 36.675
vertex 50 -76.4289 36.675
endloop
endfacet
facet normal 3.302e-16 0.707107 0.707107
outer loop
vertex 52.3781 -76.4289 36.675
@@ -31387,6 +31373,20 @@ solid OpenSCAD_Model
vertex 50 -75.825 36.0711
endloop
endfacet
facet normal 2.07457e-16 0.965926 0.258819
outer loop
vertex 50 -76.65 37.5
vertex 52.0687 -76.65 37.5
vertex 52.3781 -76.4289 36.675
endloop
endfacet
facet normal 2.07457e-16 0.965926 0.258819
outer loop
vertex 50 -76.65 37.5
vertex 52.3781 -76.4289 36.675
vertex 50 -76.4289 36.675
endloop
endfacet
facet normal 2.91263e-17 0.965926 -0.258819
outer loop
vertex 52.3781 -76.4289 38.325

53716
STLs/sled_endcap_parts.stl
View File

File diff suppressed because it is too large Load Diff

68286
STLs/sled_parts.stl
View File

File diff suppressed because it is too large Load Diff

21782
STLs/slop_calibrator_parts.stl
View File

File diff suppressed because it is too large Load Diff

13798
STLs/support_leg_parts.stl
View File

File diff suppressed because it is too large Load Diff

3816
STLs/test_slider_parts.stl
View File

File diff suppressed because it is too large Load Diff

27968
STLs/xy_joiner_parts.stl
View File

File diff suppressed because it is too large Load Diff

84438
STLs/yz_joiner_parts.stl
View File

File diff suppressed because it is too large Load Diff

82
cantilever_arm_parts.scad
View File

@@ -19,20 +19,6 @@ module cantilever_arm()
translate([0,0,rail_thick/2]) yrot(90)
sparse_strut(h=w, l=l, thick=rail_thick, maxang=45, strut=10, max_bridge=500);
// Flanges on sides to reduce peeling.
grid_of(
xa=[-(w/2), (w/2)]
) {
hull() {
grid_of(
ya=[-(l/2-joiner_width/3), (l/2-joiner_width/3)],
za=[2/2]
) {
cylinder(h=2, r=joiner_width/3, center=true, $fn=12);
}
}
}
mirror_copy([1, 0, 0]) {
// Walls.
translate([(w-joiner_width)/2, 0, h/2]) {
@@ -50,13 +36,25 @@ module cantilever_arm()
}
}
zrot_copies([0, 180]) {
translate([0, l/2-20, h/4]) {
difference() {
// Side supports.
cube(size=[w, 5, h/2], center=true);
// Wiring access holes.
grid_of(count=3, spacing=w/3) {
cube(size=11, center=true);
}
}
}
}
// Endstop standoffs
grid_of(
xa=[-endstop_hole_spacing/2, endstop_hole_spacing/2],
ya=[l/2-endstop_hole_inset],
za=[(rail_thick+endstop_standoff)/2]
) {
cylinder(h=rail_thick+endstop_standoff, r=2+endstop_screw_size*1.2/2, center=true, $fn=16);
translate([0, l/2-endstop_hole_inset, (rail_thick+endstop_standoff)/2]) {
grid_of(count=2, spacing=endstop_hole_spacing) {
cylinder(h=rail_thick+endstop_standoff, r=2+endstop_screw_size*1.2/2, center=true, $fn=16);
}
}
}
@@ -66,21 +64,27 @@ module cantilever_arm()
}
// Endstop screw holes.
grid_of(
xa=[-endstop_hole_spacing/2, endstop_hole_spacing/2],
ya=[l/2-endstop_hole_inset],
za=[(rail_thick+endstop_standoff)/2]
) {
cylinder(h=rail_thick+endstop_standoff+1, r=endstop_screw_size*1.2/2, center=true, $fn=8);
translate([0, l/2-endstop_hole_inset, (rail_thick+endstop_standoff)/2]) {
grid_of(count=2, spacing=endstop_hole_spacing) {
cylinder(h=rail_thick+endstop_standoff+1, r=endstop_screw_size*1.2/2, center=true, $fn=8);
}
}
// Trim corners behind pivot.
grid_of(
xa=[-(w-joiner_width)/2, (w-joiner_width)/2],
ya=[l/2],
za=[h]
) {
xrot(45) cube(size=[joiner_width+1, 6*sqrt(2), 6*sqrt(2)], center=true);
translate([0, l/2, h]) {
grid_of(count=2, spacing=w-joiner_width) {
xrot(45) cube(size=[joiner_width+1, 6*sqrt(2), 6*sqrt(2)], center=true);
}
}
// Shrinkage stress relief
translate([0, 0, rail_thick/2]) {
grid_of(count=[1, 9], spacing=[0, 12]) {
cube(size=[w+1, 1, rail_thick-2], center=true);
}
grid_of(count=[11, 2], spacing=[12.7, l-10]) {
cube(size=[1, 36, rail_thick-2], center=true);
}
}
}
@@ -96,20 +100,6 @@ module cantilever_arm()
}
}
zrot_copies([0, 180]) {
translate([0, l/2-20, h/4]) {
difference() {
// Side supports.
cube(size=[w, 5, h/2], center=true);
// Wiring access holes.
grid_of(xa=[-w/4, 0, w/4]) {
cube(size=[10, 10, 10], center=true);
}
}
}
}
// Pivot backing
mirror_copy([1, 0, 0]) {
translate([(w-joiner_width)/2, l/2-6, h-6]) {

11
config.scad
View File

@@ -38,6 +38,7 @@ lifter_nut_size = 17.4; // mm
lifter_nut_thick = 9.3; // mm
lifter_thread_size = 3.175; // mm lift per revolution
// Mechanical endstop boards.
endstop_hole_spacing = 19; // mm
endstop_hole_inset = 4; // mm
endstop_hole_hoff = 10; // mm
@@ -45,16 +46,26 @@ endstop_click_voff = 4; // mm
endstop_screw_size = 3; // mm
endstop_standoff = 2; // mm
// Standard Mk2b Heated Build Platform from RepRapDiscount.com
hbp_width = 215; // mm
hbp_length = 215; // mm
hbp_hole_width = 208.5; // mm
hbp_hole_length = 208.5; // mm
hbp_screwsize = 3; // mm
// Standard 200mm square borosilicate glass build platform
glass_width = 214; // mm
glass_length = 200; // mm
glass_thick = 3; // mm
// Fan shroud dimensions
fan_size = 60; // mm
fan_screw_size = 4; // mm
fan_mount_length = 15; // mm
fan_mount_width = 10; // mm
fan_mount_screw = 3; // mm
fan_shroud_angle = 60; // degrees
// This is the slop needed to make parts fit more exactly, and may be
// printer dependant. Printing a slop calibration plate should help
// dial this setting in for your printer.

245
extruder_fan_shroud_parts.scad
View File

@@ -1,153 +1,158 @@
//fan_size = 40;
//fan_screw_spacing = 32;
//fan_screw_size = 3;
include <config.scad>
use <GDMUtils.scad>
fan_size = 60;
fan_screw_spacing = 50;
fan_screw_size = 4;
wall_thickness = 2;
plate_thickness = 5;
shroud_angle = 60;
mount_spacing = 15.5;
mount_tang_width = 5;
mount_tang_length = 15;
mount_screw_size = 3;
$fa=5;
$fs=1.5;
module fanHingeMount(h=6, h2=-1, screwsize=3, spacing=15, hingewidth=3, hingelength=12)
module fanHingeMount(h=6, h2=-1, screwsize=3, spacing=15.5, hingewidth=3, hingelength=12)
{
h2 = (h2<0)? h : h2;
xoff = spacing/2 + hingewidth/2;
translate([0,-h/2-(hingelength-h),h/2]) {
difference() {
union() {
for (x = [-xoff,xoff]) {
translate([x,0,0]) {
union () {
rotate([0,90,0])
cylinder(h=hingewidth, r=h/2, center=true);
translate([0,hingelength/2-h/2,h2/2-h/2])
cube(size=[hingewidth,hingelength,h2],center=true);
}
}
}
}
rotate([0,90,0])
cylinder(h=hingewidth*2+spacing+0.1, r=screwsize/2, center=true);
}
}
h2 = (h2<0)? h : h2;
translate([0,-h/2-(hingelength-h),h/2]) {
difference() {
union() {
grid_of(count=2, spacing=hingelength+hingewidth+0.5) {
rotate([0,90,0])
cylinder(h=hingewidth, r=h/2, center=true);
translate([0,hingelength/2-h/2,h2/2-h/2])
cube(size=[hingewidth,hingelength,h2],center=true);
}
}
rotate([0,90,0])
cylinder(h=hingewidth*2+spacing+1, r=screwsize/2, center=true);
}
}
}
module fanMountPlate(size=40,diam=35,thickness=4,screwsize=3,screwspacing=32,mountscrew=3)
module fanMountPlate(size=40,diam=35,thickness=4,screwsize=3,mountscrew=3)
{
spacing = screwspacing / 2;
union() {
translate([0,0,thickness/2]) {
difference() {
cube(size = [size,size,thickness], center=true);
difference() {
cylinder(h=thickness+0.2, r=diam/2, center=true);
cube(size=[2, diam, thickness+1], center=true);
cube(size=[diam, 2, thickness+1], center=true);
}
for (x = [-spacing,spacing], y = [-spacing,spacing]) {
translate([x,y,0])
cylinder(h = thickness+0.1, r=screwsize/2, center=true);
}
}
}
translate([0,-size/2,0])
fanHingeMount(h=screwsize*2.5, h2=thickness, screwsize=mountscrew, spacing=mount_spacing, hingewidth=mount_tang_width, hingelength=mount_tang_length);
}
union() {
translate([0,0,thickness/2]) {
difference() {
cube(size = [size,size,thickness], center=true);
difference() {
cylinder(h=thickness+0.2, r=diam/2, center=true);
cube(size=[2, diam, thickness+1], center=true);
cube(size=[diam, 2, thickness+1], center=true);
}
grid_of(count=[2,2], spacing=size - 2*(screwsize+1)) {
cylinder(h = thickness+0.1, r=screwsize/2, center=true);
}
}
}
translate([0,-size/2,0]) {
fanHingeMount(
h=screwsize*2.5,
h2=thickness,
spacing=fan_mount_length,
screwsize=fan_mount_screw,
hingewidth=5,
hingelength=15
);
}
}
}
module fanShroud(ang=45, r=20, wall=2)
{
c = r*2*cos(ang);
h = c*sin(ang);
b = sqrt(c*c-h*h);
offset=r-b;
union() {
difference() {
union() {
translate([0, 0, h/2]) {
difference() {
union() {
cylinder(h=h, r=r, center=true);
translate([0, -r/2, 0])
cube(size=[2*r*0.67, r, h], center=true);
}
cylinder(h=h+1, r=r-wall, center=true);
}
}
translate([0, 0, h/2])
cube(size=[wall, 2*r, h], center=true);
translate([0, 0, h-wall/2])
cylinder(h=wall, r=r, center=true);
}
translate([0,-offset,h])
rotate([ang,0,0])
translate([-r,-2*r,0])
cube(size=[r*2,r*4,r*2], center=false);
translate([0,-offset,h])
rotate([ang-90,0,0])
translate([-r,-2*r,0])
cube(size=[r*2,r*4,r*2], center=false);
}
intersection() {
translate([0,-offset,h])
rotate([ang-90,0,0])
translate([-r,-2*r,0])
cube(size=[r*2,r*4,wall], center=false);
union() {
cylinder(h=h, r=r, center=false);
translate([0, -r/2, h/2])
cube(size=[2*r*0.67, r, h], center=true);
}
}
}
c = r*2*cos(ang);
h = c*sin(ang);
b = sqrt(c*c-h*h);
offset=r-b;
union() {
difference() {
union() {
translate([0, 0, h/2]) {
difference() {
union() {
cylinder(h=h, r=r, center=true);
translate([0, -r/2, 0])
cube(size=[2*r*0.67, r, h], center=true);
}
cylinder(h=h+1, r=r-wall, center=true);
}
}
translate([0, 0, h/2])
cube(size=[wall, 2*r, h], center=true);
translate([0, 0, h-wall/2])
cylinder(h=wall, r=r, center=true);
}
translate([0,-offset,h])
rotate([ang,0,0])
translate([-r,-2*r,0])
cube(size=[r*2,r*4,r*2], center=false);
translate([0,-offset,h])
rotate([ang-90,0,0])
translate([-r,-2*r,0])
cube(size=[r*2,r*4,r*2], center=false);
}
intersection() {
translate([0,-offset,h])
rotate([ang-90,0,0])
translate([-r,-2*r,0])
cube(size=[r*2,r*4,wall], center=false);
union() {
cylinder(h=h, r=r, center=false);
translate([0, -r/2, h/2])
cube(size=[2*r*0.67, r, h], center=true);
}
}
}
}
module fanAssembly(size=40, wall=3, plateh=3, screwsize=3, screwspacing=32, ang=45)
module fanAssembly(size=40, wall=3, plateh=3, screwsize=3, ang=45)
{
union () {
fanMountPlate(
size=size,
diam=size-2*wall,
thickness=plateh,
screwsize=screwsize,
screwspacing=screwspacing);
union () {
fanMountPlate(
size=size,
diam=size-2*wall,
thickness=plateh,
screwsize=screwsize
);
translate([0,0,plateh])
fanShroud(
r=size/2,
wall=wall,
ang=ang);
}
translate([0,0,plateh]) {
fanShroud(r=size/2, wall=wall, ang=ang);
}
}
}
module extruder_fan_shroud()
{
yrot(180) {
translate([-(fan_size/2+15-5), 0, -5]) {
zrot(90) {
fanAssembly(
size=fan_size,
wall=2,
plateh=5,
screwsize=fan_screw_size,
ang=fan_shroud_angle
);
}
}
}
}
module extruder_fan_shroud_parts() { // make me
fanAssembly(
size=fan_size,
wall=wall_thickness,
plateh=plate_thickness,
screwsize=fan_screw_size,
screwspacing=fan_screw_spacing,
ang=shroud_angle);
translate([0, 0, 5]) {
yrot(180) {
extruder_fan_shroud();
}
}
}
extruder_fan_shroud_parts();
// vim: noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap

43
extruder_platform_parts.scad
View File

@@ -31,26 +31,26 @@ module extruder_platform()
// Triangle Backing
mirror_copy([1,0,0]) {
translate([(w-joiner_width-5)/2, -l+10/2, (h-12)/2]) {
cube(size=[joiner_width+5, 10, h-12], center=true);
translate([(w-joiner_width-10)/2, -l+10/2, (h-12)/2]) {
cube(size=[joiner_width+10, 10, h-12], center=true);
}
}
// Pivot backings
mirror_copy([1,0,0]) {
translate([(w-joiner_width-4.5)/2-5.5, -l-6, h-6]) {
translate([(w-joiner_width-9.5)/2-5.5, -l-6, h-6]) {
difference() {
xrot(joiner_angle) {
translate([0, 0, -12/sin(joiner_angle)/2]) {
cube(size=[4.5, 12, 12/sin(joiner_angle)], center=true);
cube(size=[9.5, 12, 12/sin(joiner_angle)], center=true);
}
}
translate([0, 12+10, -12*2*sin(joiner_angle)])
cube(size=[4.5, 12, 12/sin(joiner_angle)], center=true);
cube(size=[10, 12, 12/sin(joiner_angle)], center=true);
}
}
translate([(w-joiner_width-4.5)/2-5.5, -l-6, h-6]) {
yrot(90) cylinder(h=4.5, r=6, center=true, $fn=32);
translate([(w-joiner_width-9.5)/2-5.5, -l-6, h-6]) {
yrot(90) cylinder(h=9.5, r=6, center=true, $fn=32);
}
}
@@ -60,7 +60,7 @@ module extruder_platform()
translate([2/2-0.5, 0, 0]) {
yrot(90) intersection() {
cylinder(h=2, r1=6, r2=4, center=true, $fn=32);
cylinder(h=20, r=6, center=true, $fn=32);
cylinder(h=30, r=6, center=true, $fn=32);
}
}
}
@@ -124,14 +124,37 @@ module extruder_platform()
mirror_copy([1,0,0]) {
translate([w/2-joiner_width, -l-6, h-6]) {
yrot(90) {
cylinder(h=20, r=set_screw_size*1.1/2, center=true, $fn=12);
cylinder(h=30, r=set_screw_size*1.1/2, center=true, $fn=12);
}
}
}
// Shrinkage stress relief
translate([0, -l/2+12, rail_thick/2]) {
grid_of(count=9, spacing=15) {
cube(size=[1, l+41, rail_thick-2], center=true);
}
grid_of(count=[1,6], spacing=15) {
cube(size=[w+1, 1, rail_thick-2], center=true);
}
}
}
// Fan shroud mounts
grid_of(count=2, spacing=w+10-0.05) {
translate([0, 0, 10/2]) {
difference() {
union() {
translate([0, 0, -fan_mount_width/4]) cube(size=[fan_mount_width, fan_mount_length, fan_mount_width/2], center=true);
xrot(90) cylinder(h=fan_mount_length, r=fan_mount_width/2, center=true);
}
xrot(90) cylinder(h=fan_mount_length+1, r=fan_mount_screw*1.1/2, center=true);
}
}
}
}
}
//!rail_structure();
//!extruder_platform();

8
full_assembly.scad
View File

@@ -8,6 +8,7 @@ use <build_platform_support_parts.scad>
use <cantilever_joint_parts.scad>
use <cantilever_arm_parts.scad>
use <drive_gear_parts.scad>
use <extruder_fan_shroud_parts.scad>
use <extruder_platform_parts.scad>
use <motor_mount_plate_parts.scad>
use <rail_endcap_parts.scad>
@@ -26,11 +27,11 @@ $vpt = [0, 0, 255];
$vpr = [65, 0, 120];
platform_vert_off = rail_height+groove_height+rail_offset;
module axis_slider_assembly(slidepos=0)
{
platform_vert_off = rail_height+groove_height+rail_offset;
translate([0, -motor_rail_length/2, 0]) {
translate([0, -rail_length/2, 0]) {
rail_segment();
@@ -158,6 +159,9 @@ module full_assembly(hide_endcaps=false)
cantilever_arm();
translate([0, cantilever_length/2, 0]) {
extruder_platform();
translate([platform_width/2+5, 86, 5]) {
yrot(30) extruder_fan_shroud();
}
}
}
}

8
sled_parts.scad
View File

@@ -93,9 +93,9 @@ module sled()
translate([-joiner_width/2, 0, 0]) {
circle_of(n=2, r=joiner_width/2+printer_slop, rot=true) {
// Slider base
translate([15/2-9, 0, -groove_height]) {
translate([15/2-9, 0, -groove_height-printer_slop]) {
difference() {
cube(size=[15, platform_length/8, groove_height], center=true);
cube(size=[15, platform_length/8, groove_height-printer_slop*2], center=true);
grid_of(
ya=[-(platform_length/8/2), (platform_length/8/2)],
za=[groove_height/2]
@@ -138,10 +138,10 @@ module sled()
// Shrinkage stress relief
translate([0, 0, platform_thick/2]) {
grid_of(count=[1, 3], spacing=[0, 32]) {
grid_of(count=[1, 9], spacing=[0,9]) {
cube(size=[platform_width+1, 1, platform_thick-2], center=true);
}
grid_of(count=[5, 2], spacing=[30, platform_length-10]) {
grid_of(count=[9, 2], spacing=[14, platform_length-10]) {
cube(size=[1, 20, platform_thick-2], center=true);
}
}

2
wiki

Submodule wiki updated: dec4df0d79...d9a43018c4