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Removed bridge.

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This commit is contained in:
Revar Desmera
2015-07-02 16:38:43 -07:00
parent f3c6cd14f7
commit fcbc880a82
36 changed files with 84171 additions and 141038 deletions
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29
GDMUtils.scad
View File

@@ -824,14 +824,13 @@ module chamfcube(
// rrect(size=[5,7,3], r=1, $fn=24);
module rrect(size=[1,1,1], r=0.25, center=false)
{
$fn = ($fn==undef)?max(18,floor(180/asin(1/r)/2)*2):$fn;
xoff=abs(size[0])/2-r;
yoff=abs(size[1])/2-r;
offset = center?[0,0,0]:size/2;
translate(offset) {
union(){
hull(){
grid_of([-xoff,xoff],[-yoff,yoff])
cylinder(r=r,h=size[2],center=true,$fn=$fn);
cylinder(r=r,h=size[2],center=true);
cube(size=[xoff*2,size[1],size[2]], center=true);
cube(size=[size[0],yoff*2,size[2]], center=true);
}
@@ -937,14 +936,13 @@ module rcylinder(h=1, r=1, fillet=0.25, center=false)
// tube(h=3, r=4, wall=1, center=true);
// tube(h=6, r=4, wall=2, $fn=6);
// tube(h=3, r1=5, r2=7, wall=2, center=true);
module tube(h=1, r=1, r1=undef, r2=undef, wall=0.5, center=false, $fn=undef)
module tube(h=1, r=1, r1=undef, r2=undef, wall=0.5, center=false)
{
r1 = (r1==undef)? r : r1;
r2 = (r2==undef)? r : r2;
$fn = ($fn==undef)?max(12,floor(180/asin(2/max(r1,r2))/2)*2):$fn;
difference() {
cylinder(h=h, r1=r1, r2=r2, center=center, $fn=$fn);
cylinder(h=h+0.03, r1=r1-wall, r2=r2-wall, center=center, $fn=$fn);
cylinder(h=h, r1=r1, r2=r2, center=center);
cylinder(h=h+0.03, r1=r1-wall, r2=r2-wall, center=center);
}
}
@@ -1033,10 +1031,9 @@ module arced_slot(
// h = thickness of teardrop. (Default: 1)
// Example:
// teardrop(r=3, h=2, ang=30);
module teardrop(r=1, h=1, ang=45, $fn=undef)
module teardrop(r=1, h=1, ang=45)
{
$fn = ($fn==undef)?max(12,floor(180/asin(1/r)/2)*2):$fn;
xrot(90) union() {
xrot(90) hull() {
translate([0, r*sin(ang), 0]) {
scale([1, 1/tan(ang), 1]) {
difference() {
@@ -1327,13 +1324,12 @@ function get_metric_nut_thickness(size) = lookup(size, [
// headlen = length of the screw head.
// Example:
// screw(screwsize=3,screwlen=10,headsize=6,headlen=3);
module screw(screwsize=3,screwlen=10,headsize=6,headlen=3,$fn=undef)
module screw(screwsize=3,screwlen=10,headsize=6,headlen=3)
{
$fn = ($fn==undef)?max(8,floor(180/asin(2/screwsize)/2)*2):$fn;
translate([0,0,-(screwlen)/2])
cylinder(r=screwsize/2, h=screwlen+0.05, center=true, $fn=$fn);
cylinder(r=screwsize/2, h=screwlen+0.05, center=true);
translate([0,0,(headlen)/2])
cylinder(r=headsize/2, h=headlen, center=true, $fn=$fn*2);
cylinder(r=headsize/2, h=headlen, center=true);
}
@@ -1343,16 +1339,15 @@ module screw(screwsize=3,screwlen=10,headsize=6,headlen=3,$fn=undef)
// Example:
// metric_nut(size=8, hole=true);
// metric_nut(size=3, hole=false);
module metric_nut(size=3, hole=true, $fn=undef, center=false)
module metric_nut(size=3, hole=true, center=false)
{
$fn = ($fn==undef)?max(8,floor(180/asin(2/size)/2)*2):$fn;
radius = get_metric_nut_size(size)/2/cos(30);
thick = get_metric_nut_thickness(size);
offset = (center == true)? 0 : thick/2;
translate([0,0,offset]) difference() {
cylinder(r=radius, h=thick, center=true, $fn=6);
if (hole == true)
cylinder(r=size/2, h=thick+0.5, center=true, $fn=$fn);
cylinder(r=size/2, h=thick+0.5, center=true);
}
}

243
NEMA.scad
View File

@@ -2,14 +2,64 @@ use <GDMUtils.scad>
function nema_motor_width(size) = lookup(size, [
[11.0, 28.2],
[14.0, 35.2],
[17.0, 42.3],
[23.0, 57.0],
[34.0, 86.0],
]);
function nema_motor_plinth_height(size) = lookup(size, [
[11.0, 1.5],
[14.0, 2.0],
[17.0, 2.0],
[23.0, 1.6],
[34.0, 2.03],
]);
function nema_motor_plinth_diam(size) = lookup(size, [
[11.0, 22.0],
[14.0, 22.0],
[17.0, 22.0],
[23.0, 38.1],
[34.0, 73.0],
]);
function nema_motor_screw_spacing(size) = lookup(size, [
[11.0, 23.11],
[14.0, 26.0],
[17.0, 30.99],
[23.0, 47.14],
[34.0, 69.6],
]);
function nema_motor_screw_size(size) = lookup(size, [
[11.0, 2.6],
[14.0, 3.0],
[17.0, 3.0],
[23.0, 5.1],
[34.0, 5.5],
]);
function nema_motor_screw_depth(size) = lookup(size, [
[11.0, 3.0],
[14.0, 4.5],
[17.0, 4.5],
[23.0, 4.8],
[34.0, 9.0],
]);
module nema11_stepper(h=24, shaft=5, shaft_len=20)
{
motor_width = 28.2;
plinth_height = 1.5;
plinth_diam = 22;
screw_spacing = 23.11;
screw_size = 2.6;
screw_depth = 3.0;
size = 11;
motor_width = nema_motor_width(size);
plinth_height = nema_motor_plinth_height(size);
plinth_diam = nema_motor_plinth_diam(size);
screw_spacing = nema_motor_screw_spacing(size);
screw_size = nema_motor_screw_size(size);
screw_depth = nema_motor_screw_depth(size);
difference() {
color([0.4, 0.4, 0.4]) {
@@ -17,20 +67,17 @@ module nema11_stepper(h=24, shaft=5, shaft_len=20)
rrect(size=[motor_width, motor_width, h], r=2, center=true);
}
}
grid_of(
xa = [-screw_spacing/2, screw_spacing/2],
ya = [-screw_spacing/2, screw_spacing/2],
za = [-screw_depth/2+0.05]
) {
cylinder(r=screw_size/2, h=screw_depth, center=true, $fn=8);
}
xspread(screw_spacing)
yspread(screw_spacing)
down(scred_depth/2-0.05)
cylinder(r=screw_size/2, h=screw_depth, center=true, $fn=max(12,segs(screw_size/2)));
}
color("silver") {
color([0.4, 0.4, 0.4])
translate([0, 0, plinth_height/2])
cylinder(h=plinth_height, r=plinth_diam/2, center=true);
color("silver")
translate([0, 0, shaft_len/2])
cylinder(h=shaft_len, r=shaft/2, center=true, $fn=12);
}
cylinder(h=shaft_len, r=shaft/2, center=true, $fn=max(12,segs(shaft/2)));
}
//!nema11_stepper();
@@ -38,12 +85,13 @@ module nema11_stepper(h=24, shaft=5, shaft_len=20)
module nema14_stepper(h=24, shaft=5, shaft_len=24)
{
motor_width = 35.2;
plinth_height = 2;
plinth_diam = 22;
screw_spacing = 26;
screw_size = 3;
screw_depth = 4.5;
size = 14;
motor_width = nema_motor_width(size);
plinth_height = nema_motor_plinth_height(size);
plinth_diam = nema_motor_plinth_diam(size);
screw_spacing = nema_motor_screw_spacing(size);
screw_size = nema_motor_screw_size(size);
screw_depth = nema_motor_screw_depth(size);
difference() {
color([0.4, 0.4, 0.4]) {
@@ -51,20 +99,17 @@ module nema14_stepper(h=24, shaft=5, shaft_len=24)
rrect(size=[motor_width, motor_width, h], r=2, center=true);
}
}
grid_of(
xa = [-screw_spacing/2, screw_spacing/2],
ya = [-screw_spacing/2, screw_spacing/2],
za = [-screw_depth/2+0.05]
) {
cylinder(r=screw_size/2, h=screw_depth, center=true, $fn=8);
}
xspread(screw_spacing)
yspread(screw_spacing)
down(screw_depth/2-0.05)
cylinder(r=screw_size/2, h=screw_depth, center=true, $fn=max(12,segs(screw_size/2)));
}
color("silver") {
color([0.4, 0.4, 0.4])
translate([0, 0, plinth_height/2])
cylinder(h=plinth_height, r=plinth_diam/2, center=true);
color("silver")
translate([0, 0, shaft_len/2])
cylinder(h=shaft_len, r=shaft/2, center=true, $fn=12);
}
cylinder(h=shaft_len, r=shaft/2, center=true, $fn=max(12,segs(shaft/2)));
}
//!nema14_stepper();
@@ -72,12 +117,13 @@ module nema14_stepper(h=24, shaft=5, shaft_len=24)
module nema17_stepper(h=34, shaft=5, shaft_len=20)
{
motor_width = 42.3;
plinth_height = 2;
plinth_diam = 22;
screw_spacing = 30.99;
screw_size = 3;
screw_depth = 4.5;
size = 17;
motor_width = nema_motor_width(size);
plinth_height = nema_motor_plinth_height(size);
plinth_diam = nema_motor_plinth_diam(size);
screw_spacing = nema_motor_screw_spacing(size);
screw_size = nema_motor_screw_size(size);
screw_depth = nema_motor_screw_depth(size);
difference() {
color([0.4, 0.4, 0.4]) {
@@ -85,20 +131,17 @@ module nema17_stepper(h=34, shaft=5, shaft_len=20)
rrect(size=[motor_width, motor_width, h], r=2, center=true);
}
}
grid_of(
xa = [-screw_spacing/2, screw_spacing/2],
ya = [-screw_spacing/2, screw_spacing/2],
za = [-screw_depth/2+0.05]
) {
cylinder(r=screw_size/2, h=screw_depth, center=true, $fn=8);
}
xspread(screw_spacing)
yspread(screw_spacing)
down(screw_depth/2-0.05)
cylinder(r=screw_size/2, h=screw_depth, center=true, $fn=max(12,segs(screw_size/2)));
}
color("silver") {
color([0.4, 0.4, 0.4])
translate([0, 0, plinth_height/2])
cylinder(h=plinth_height, r=plinth_diam/2, center=true);
color("silver")
translate([0, 0, shaft_len/2])
cylinder(h=shaft_len, r=shaft/2, center=true, $fn=12);
}
cylinder(h=shaft_len, r=shaft/2, center=true, $fn=max(12,segs(shaft/2)));
}
//!nema17_stepper();
@@ -106,12 +149,13 @@ module nema17_stepper(h=34, shaft=5, shaft_len=20)
module nema23_stepper(h=50, shaft=6.35, shaft_len=25)
{
motor_width = 57.0;
plinth_height = 1.6;
plinth_diam = 38.1;
screw_spacing = 47.14;
screw_size = 5.1;
screw_depth = 4.8;
size = 23;
motor_width = nema_motor_width(size);
plinth_height = nema_motor_plinth_height(size);
plinth_diam = nema_motor_plinth_diam(size);
screw_spacing = nema_motor_screw_spacing(size);
screw_size = nema_motor_screw_size(size);
screw_depth = nema_motor_screw_depth(size);
screw_inset = motor_width - screw_spacing + 1;
difference() {
@@ -121,21 +165,20 @@ module nema23_stepper(h=50, shaft=6.35, shaft_len=25)
rrect(size=[motor_width, motor_width, h], r=2, center=true);
}
}
color("silver") {
color([0.4, 0.4, 0.4])
translate([0, 0, plinth_height/2])
cylinder(h=plinth_height, r=plinth_diam/2, center=true, $fn=32);
cylinder(h=plinth_height, r=plinth_diam/2, center=true);
color("silver")
translate([0, 0, shaft_len/2])
cylinder(h=shaft_len, r=shaft/2, center=true, $fn=24);
}
cylinder(h=shaft_len, r=shaft/2, center=true, $fn=max(12,segs(shaft/2)));
}
grid_of(
xa = [-screw_spacing/2, screw_spacing/2],
ya = [-screw_spacing/2, screw_spacing/2]
) {
translate([0, 0, -screw_depth/2+1])
cylinder(r=screw_size/2, h=screw_depth+2, center=true, $fn=12);
translate([0, 0, -screw_depth-h/2])
cube(size=[screw_inset, screw_inset, h], center=true);
xspread(screw_spacing) {
yspread(screw_spacing) {
down(screw_depth/2)
cylinder(r=screw_size/2, h=screw_depth+2, center=true, $fn=max(12,segs(screw_size/2)));
down(screw_depth+h/2)
cube(size=[screw_inset, screw_inset, h], center=true);
}
}
}
}
@@ -145,12 +188,13 @@ module nema23_stepper(h=50, shaft=6.35, shaft_len=25)
module nema34_stepper(h=75, shaft=12.7, shaft_len=32)
{
motor_width = 86;
plinth_height = 2.03;
plinth_diam = 73.0;
screw_spacing = 69.6;
screw_size = 5.5;
screw_depth = 9;
size = 34;
motor_width = nema_motor_width(size);
plinth_height = nema_motor_plinth_height(size);
plinth_diam = nema_motor_plinth_diam(size);
screw_spacing = nema_motor_screw_spacing(size);
screw_size = nema_motor_screw_size(size);
screw_depth = nema_motor_screw_depth(size);
screw_inset = motor_width - screw_spacing + 1;
difference() {
@@ -160,21 +204,20 @@ module nema34_stepper(h=75, shaft=12.7, shaft_len=32)
rrect(size=[motor_width, motor_width, h], r=2, center=true);
}
}
color("silver") {
color([0.4, 0.4, 0.4])
translate([0, 0, plinth_height/2])
cylinder(h=plinth_height, r=plinth_diam/2, center=true, $fn=32);
cylinder(h=plinth_height, r=plinth_diam/2, center=true);
color("silver")
translate([0, 0, shaft_len/2])
cylinder(h=shaft_len, r=shaft/2, center=true, $fn=24);
}
cylinder(h=shaft_len, r=shaft/2, center=true, $fn=max(24,segs(shaft/2)));
}
grid_of(
xa = [-screw_spacing/2, screw_spacing/2],
ya = [-screw_spacing/2, screw_spacing/2]
) {
translate([0, 0, -screw_depth/2+1])
cylinder(r=screw_size/2, h=screw_depth+2, center=true, $fn=12);
translate([0, 0, -screw_depth-h/2])
cube(size=[screw_inset, screw_inset, h], center=true);
xspread(screw_spacing) {
yspread(screw_spacing) {
down(screw_depth/2)
cylinder(r=screw_size/2, h=screw_depth+2, center=true, $fn=max(12,segs(screw_size/2)));
down(screw_depth+h/2)
cube(size=[screw_inset, screw_inset, h], center=true);
}
}
}
}
@@ -182,33 +225,33 @@ module nema34_stepper(h=75, shaft=12.7, shaft_len=32)
module nema17_mount_holes(depth=5, len=5)
module nema17_mount_holes(depth=5, l=5)
{
plinth_diam = 22;
screw_spacing = 30.99;
screw_size = 3;
size = 17;
plinth_diam = nema_motor_plinth_diam(size);
screw_spacing = nema_motor_screw_spacing(size);
screw_size = nema_motor_screw_size(size);
union() {
grid_of(
xa=[-screw_spacing/2, screw_spacing/2],
ya=[-screw_spacing/2, screw_spacing/2]
) {
hull() {
translate([0, -len/2, 0])
cylinder(h=depth, r=screw_size/2, center=true, $fn=8);
translate([0, len/2, 0])
cylinder(h=depth, r=screw_size/2, center=true, $fn=8);
xspread(screw_spacing) {
yspread(screw_spacing) {
hull() {
translate([0, -l/2, 0])
cylinder(h=depth, r=screw_size/2, center=true, $fn=max(8,segs(screw_size/2)));
translate([0, l/2, 0])
cylinder(h=depth, r=screw_size/2, center=true, $fn=max(8,segs(screw_size/2)));
}
}
}
}
hull() {
translate([0, -len/2, 0])
translate([0, -l/2, 0])
cylinder(h=depth, r=plinth_diam/2, center=true);
translate([0, len/2, 0])
translate([0, l/2, 0])
cylinder(h=depth, r=plinth_diam/2, center=true);
}
}
//!nema17_mount_holes(depth=5, len=5);
//!nema17_mount_holes(depth=5, l=5);

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@@ -2428,6 +2428,20 @@ solid OpenSCAD_Model
vertex -0.825 57.1308 38.9289
endloop
endfacet
facet normal -0.258823 0 -0.965925
outer loop
vertex 0.825 52.8692 38.9289
vertex 1.26672e-14 57.0479 39.15
vertex 0.825 57.1308 38.9289
endloop
endfacet
facet normal -0.258823 5.74703e-17 -0.965925
outer loop
vertex 1.26672e-14 57.0479 39.15
vertex 0.825 52.8692 38.9289
vertex 1.17577e-14 52.9521 39.15
endloop
endfacet
facet normal 0.965926 0 -0.258819
outer loop
vertex -1.42894 52.6427 38.325
@@ -2470,18 +2484,18 @@ solid OpenSCAD_Model
vertex -1.42894 57.3573 38.325
endloop
endfacet
facet normal -0.965926 0 0.258819
facet normal 0.965926 0 0.258819
outer loop
vertex 1.42894 52.6427 36.675
vertex 1.65 57.6667 37.5
vertex 1.42894 57.3573 36.675
vertex -1.65 57.6667 37.5
vertex -1.42894 52.6427 36.675
vertex -1.42894 57.3573 36.675
endloop
endfacet
facet normal -0.965926 0 0.258819
facet normal 0.965926 0 0.258819
outer loop
vertex 1.65 57.6667 37.5
vertex 1.42894 52.6427 36.675
vertex 1.65 52.3333 37.5
vertex -1.42894 52.6427 36.675
vertex -1.65 57.6667 37.5
vertex -1.65 52.3333 37.5
endloop
endfacet
facet normal -0.707105 0 0.707108
@@ -2498,20 +2512,6 @@ solid OpenSCAD_Model
vertex 0.825 52.8692 36.0711
endloop
endfacet
facet normal 0.965926 0 0.258819
outer loop
vertex -1.65 57.6667 37.5
vertex -1.42894 52.6427 36.675
vertex -1.42894 57.3573 36.675
endloop
endfacet
facet normal 0.965926 0 0.258819
outer loop
vertex -1.42894 52.6427 36.675
vertex -1.65 57.6667 37.5
vertex -1.65 52.3333 37.5
endloop
endfacet
facet normal -0.258823 0 0.965925
outer loop
vertex 1.26672e-14 57.0479 35.85
@@ -2526,6 +2526,34 @@ solid OpenSCAD_Model
vertex 1.17577e-14 52.9521 35.85
endloop
endfacet
facet normal -0.707105 0 -0.707108
outer loop
vertex 0.825 52.8692 38.9289
vertex 1.42894 57.3573 38.325
vertex 1.42894 52.6427 38.325
endloop
endfacet
facet normal -0.707105 0 -0.707108
outer loop
vertex 1.42894 57.3573 38.325
vertex 0.825 52.8692 38.9289
vertex 0.825 57.1308 38.9289
endloop
endfacet
facet normal -0.965926 0 0.258819
outer loop
vertex 1.42894 52.6427 36.675
vertex 1.65 57.6667 37.5
vertex 1.42894 57.3573 36.675
endloop
endfacet
facet normal -0.965926 0 0.258819
outer loop
vertex 1.65 57.6667 37.5
vertex 1.42894 52.6427 36.675
vertex 1.65 52.3333 37.5
endloop
endfacet
facet normal -0.965926 0 -0.258819
outer loop
vertex 1.65 57.6667 37.5
@@ -2540,34 +2568,6 @@ solid OpenSCAD_Model
vertex 1.65 52.3333 37.5
endloop
endfacet
facet normal -0.707105 0 -0.707108
outer loop
vertex 0.825 52.8692 38.9289
vertex 1.42894 57.3573 38.325
vertex 1.42894 52.6427 38.325
endloop
endfacet
facet normal -0.707105 0 -0.707108
outer loop
vertex 1.42894 57.3573 38.325
vertex 0.825 52.8692 38.9289
vertex 0.825 57.1308 38.9289
endloop
endfacet
facet normal -0.258823 0 -0.965925
outer loop
vertex 0.825 52.8692 38.9289
vertex 1.26672e-14 57.0479 39.15
vertex 0.825 57.1308 38.9289
endloop
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1692
STLs/rail_segment_parts.stl
View File

File diff suppressed because it is too large Load Diff

530
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948
STLs/rail_z_motor_segment_parts.stl
View File

File diff suppressed because it is too large Load Diff

1376
STLs/sled_endcap_parts.stl
View File

File diff suppressed because it is too large Load Diff

560
STLs/slop_calibrator_parts.stl
View File

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@@ -7139,20 +7153,6 @@ solid OpenSCAD_Model
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endloop
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@@ -7965,6 +7965,20 @@ solid OpenSCAD_Model
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@@ -7993,20 +8007,6 @@ solid OpenSCAD_Model
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@@ -8357,20 +8357,6 @@ solid OpenSCAD_Model
vertex -3 24.6 12
endloop
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facet normal 0 1 -0
outer loop
vertex -2.5 20.6 11.5
vertex -3 20.6 12
vertex -2.5 20.6 12
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vertex -2.5 20.6 11.5
vertex -3 20.6 11.5
endloop
endfacet
facet normal -0 3.17891e-07 1
outer loop
vertex -3 24.1 11
@@ -8399,6 +8385,20 @@ solid OpenSCAD_Model
vertex -2.5 24.6 11.5
endloop
endfacet
facet normal 0 1 -0
outer loop
vertex -2.5 20.6 11.5
vertex -3 20.6 12
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endfacet
facet normal 0 1 -0
outer loop
vertex -2.5 17.7 3.5
@@ -8441,20 +8441,6 @@ solid OpenSCAD_Model
vertex -2.5 18.7 3.5
endloop
endfacet
facet normal 0 0 -1
outer loop
vertex -3 17.7 11.5
vertex -2.5 18.7 11.5
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endloop
endfacet
facet normal 1 -0 0
outer loop
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@@ -8525,6 +8511,20 @@ solid OpenSCAD_Model
vertex -3 17.7 3.5
endloop
endfacet
facet normal 0 0 -1
outer loop
vertex -3 17.7 11.5
vertex -2.5 18.7 11.5
vertex -2.5 17.7 11.5
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facet normal -0 0 -1
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vertex -3 17.7 11.5
vertex -3 18.7 11.5
endloop
endfacet
facet normal -0 0 1
outer loop
vertex -3 18.7 3.5
@@ -8567,20 +8567,6 @@ solid OpenSCAD_Model
vertex -2.5 14.7 8
endloop
endfacet
facet normal -0 0 1
outer loop
vertex -3 14.2 7.5
vertex -2.5 13.7 7.5
vertex -2.5 14.2 7.5
endloop
endfacet
facet normal 0 0 1
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vertex -2.5 13.7 7.5
vertex -3 14.2 7.5
vertex -3 13.7 7.5
endloop
endfacet
facet normal 0 0 -1
outer loop
vertex -3 13.7 11.5
@@ -8595,6 +8581,20 @@ solid OpenSCAD_Model
vertex -3 14.7 11.5
endloop
endfacet
facet normal -0 0 1
outer loop
vertex -3 14.2 7.5
vertex -2.5 13.7 7.5
vertex -2.5 14.2 7.5
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endfacet
facet normal 0 0 1
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vertex -2.5 13.7 7.5
vertex -3 14.2 7.5
vertex -3 13.7 7.5
endloop
endfacet
facet normal 0 -3.17891e-07 -1
outer loop
vertex -3 14.7 8
@@ -8665,20 +8665,6 @@ solid OpenSCAD_Model
vertex -2.5 13.4 3.1
endloop
endfacet
facet normal 0 0 -1
outer loop
vertex -3 12.6 3.9
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vertex -3 13.4 3.9
endloop
endfacet
facet normal 1 -0 0
outer loop
vertex -3 12.6 3.9
@@ -8707,6 +8693,20 @@ solid OpenSCAD_Model
vertex -3 12.6 3.1
endloop
endfacet
facet normal 0 0 -1
outer loop
vertex -3 12.6 3.9
vertex -2.5 13.4 3.9
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facet normal -0 0 -1
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vertex -3 12.6 3.9
vertex -3 13.4 3.9
endloop
endfacet
facet normal 1 -0 0
outer loop
vertex -17.9 14.6 15
@@ -9211,20 +9211,6 @@ solid OpenSCAD_Model
vertex -2.5 38.7 3.5
endloop
endfacet
facet normal 0 0 -1
outer loop
vertex -3 37.7 11.5
vertex -2.5 38.7 11.5
vertex -2.5 37.7 11.5
endloop
endfacet
facet normal -0 0 -1
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vertex -2.5 38.7 11.5
vertex -3 37.7 11.5
vertex -3 38.7 11.5
endloop
endfacet
facet normal 1 -0 0
outer loop
vertex -3 33.7 11.5
@@ -9295,6 +9281,20 @@ solid OpenSCAD_Model
vertex -3 37.7 3.5
endloop
endfacet
facet normal 0 0 -1
outer loop
vertex -3 37.7 11.5
vertex -2.5 38.7 11.5
vertex -2.5 37.7 11.5
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endfacet
facet normal -0 0 -1
outer loop
vertex -2.5 38.7 11.5
vertex -3 37.7 11.5
vertex -3 38.7 11.5
endloop
endfacet
facet normal -0 0 1
outer loop
vertex -3 38.7 3.5
@@ -9337,20 +9337,6 @@ solid OpenSCAD_Model
vertex -2.5 34.7 8
endloop
endfacet
facet normal -0 0 1
outer loop
vertex -3 34.2 7.5
vertex -2.5 33.7 7.5
vertex -2.5 34.2 7.5
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endfacet
facet normal 0 0 1
outer loop
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vertex -3 34.2 7.5
vertex -3 33.7 7.5
endloop
endfacet
facet normal 0 0 -1
outer loop
vertex -3 33.7 11.5
@@ -9365,6 +9351,20 @@ solid OpenSCAD_Model
vertex -3 34.7 11.5
endloop
endfacet
facet normal -0 0 1
outer loop
vertex -3 34.2 7.5
vertex -2.5 33.7 7.5
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facet normal 0 0 1
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vertex -2.5 33.7 7.5
vertex -3 34.2 7.5
vertex -3 33.7 7.5
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endfacet
facet normal 0 -3.17891e-07 -1
outer loop
vertex -3 34.7 8
@@ -9435,20 +9435,6 @@ solid OpenSCAD_Model
vertex -2.5 33.4 3.1
endloop
endfacet
facet normal 0 0 -1
outer loop
vertex -3 32.6 3.9
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facet normal -0 0 -1
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vertex -2.5 33.4 3.9
vertex -3 32.6 3.9
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endfacet
facet normal 1 -0 0
outer loop
vertex -3 32.6 3.9
@@ -9477,6 +9463,20 @@ solid OpenSCAD_Model
vertex -3 32.6 3.1
endloop
endfacet
facet normal 0 0 -1
outer loop
vertex -3 32.6 3.9
vertex -2.5 33.4 3.9
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facet normal -0 0 -1
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vertex -2.5 33.4 3.9
vertex -3 32.6 3.9
vertex -3 33.4 3.9
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endfacet
facet normal 1 -0 0
outer loop
vertex -17.95 34.55 15
@@ -11703,20 +11703,6 @@ solid OpenSCAD_Model
vertex 44.5 -7 0
endloop
endfacet
facet normal 0 1 -0
outer loop
vertex 44.5 7 0
vertex 30.5 7 7.5
vertex 44.5 7 7.5
endloop
endfacet
facet normal 0 1 0
outer loop
vertex 30.5 7 7.5
vertex 44.5 7 0
vertex 30.5 7 0
endloop
endfacet
facet normal 0 -1 0
outer loop
vertex 30.5 -7 0
@@ -11731,4 +11717,18 @@ solid OpenSCAD_Model
vertex 44.5 -7 0
endloop
endfacet
facet normal 0 1 -0
outer loop
vertex 44.5 7 0
vertex 30.5 7 7.5
vertex 44.5 7 7.5
endloop
endfacet
facet normal 0 1 0
outer loop
vertex 30.5 7 7.5
vertex 44.5 7 0
vertex 30.5 7 0
endloop
endfacet
endsolid OpenSCAD_Model

112
STLs/support_leg_parts.stl
View File

@@ -2092,6 +2092,34 @@ solid OpenSCAD_Model
vertex -23.5833 -46.3333 44.7169
endloop
endfacet
facet normal 0.894427 -0.447214 0
outer loop
vertex -23.5833 -46.3333 40.8333
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facet normal 0.894427 -0.447214 0
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vertex -23.1667 -45.5 44.7169
vertex -23.5833 -46.3333 40.8333
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facet normal 0.894427 -0.447214 0
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facet normal 0.894427 -0.447214 0
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vertex -23.5833 -46.3333 30.2831
endloop
endfacet
facet normal 0.894427 0.447214 0
outer loop
vertex -23.1667 -45.5 44.7169
@@ -2134,34 +2162,6 @@ solid OpenSCAD_Model
vertex -23.5833 -44.6667 30.2831
endloop
endfacet
facet normal 0.894427 -0.447214 0
outer loop
vertex -23.5833 -46.3333 40.8333
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facet normal 0.894427 -0.447214 0
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facet normal -0.93633 0 0.351122
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@@ -4990,6 +4990,34 @@ solid OpenSCAD_Model
vertex 23.5833 -44.6667 5.28312
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facet normal -0.894427 -0.447214 -0
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vertex 23.5833 -46.3333 19.7169
endloop
endfacet
facet normal -0.894427 0.447214 0
outer loop
vertex 23.1667 -45.5 5.28312
@@ -5032,34 +5060,6 @@ solid OpenSCAD_Model
vertex 23.5833 -46.3333 19.7169
endloop
endfacet
facet normal -0.894427 -0.447214 -0
outer loop
vertex 23.5833 -46.3333 9.16667
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facet normal -0.894427 -0.447214 0
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facet normal -0.894427 -0.447214 0
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vertex 23.5833 -46.3333 15.8333
vertex 23.1667 -45.5 19.7169
vertex 23.1667 -45.5 14.7222
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endfacet
facet normal -0.894427 -0.447214 0
outer loop
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vertex 23.5833 -46.3333 15.8333
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endloop
endfacet
facet normal 0.93633 0 -0.351122
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vertex 27.3573 -44.0711 11.675

2536
STLs/xy_joiner_parts.stl
View File

File diff suppressed because it is too large Load Diff

1234
STLs/xy_sled_parts.stl
View File

File diff suppressed because it is too large Load Diff

1948
STLs/yz_bottom_joiner_parts.stl → STLs/yz_joiner_parts.stl
View File

File diff suppressed because it is too large Load Diff

25622
STLs/yz_top_joiner_parts.stl
View File

File diff suppressed because it is too large Load Diff

8518
STLs/z_sled_parts.stl
View File

File diff suppressed because it is too large Load Diff

1688
STLs/z_strut_parts.stl
View File

File diff suppressed because it is too large Load Diff

86
bridge_center_parts.scad
View File

@@ -1,86 +0,0 @@
include <config.scad>
use <GDMUtils.scad>
use <joiners.scad>
module bridge_center()
{
joiner_length = 10;
side_joiner_len = 10;
color("SpringGreen")
prerender(convexity=20)
union() {
difference() {
union() {
// Bottom.
up(rail_thick/2) {
yrot(90) sparse_strut(h=rail_width, l=motor_rail_length, thick=rail_thick, maxang=45, strut=10, max_bridge=500);
}
// Walls.
zring(r=0,n=2) {
up(rail_height/2) {
right((rail_spacing+joiner_width)/2) {
if (wall_style == "crossbeams")
sparse_strut(h=rail_height, l=motor_rail_length-joiner_length, thick=joiner_width, strut=5);
if (wall_style == "thinwall")
thinning_wall(h=rail_height, l=motor_rail_length-joiner_length, thick=joiner_width, strut=5, bracing=false);
if (wall_style == "corrugated")
corrugated_wall(h=rail_height, l=motor_rail_length-joiner_length, thick=joiner_width, strut=5);
}
}
}
// Side Supports
up(rail_height/4) {
yspread(motor_rail_length-20) {
difference() {
cube(size=[rail_width, 4, rail_height/2], center=true);
xspread(rail_width/3, n=3) {
cube(size=[16, 11, 11], center=true);
}
}
}
}
}
// Clear space for joiners.
up(rail_height/2) {
joiner_quad_clear(xspacing=rail_spacing+joiner_width, yspacing=motor_rail_length, h=rail_height, w=joiner_width, clearance=5, a=joiner_angle);
}
// Shrinkage stress relief
up(rail_thick/2) {
yspread(16, n=5) {
cube(size=[rail_width+1, 1, rail_thick-2], center=true);
}
xspread(15, n=7) {
yspread(motor_rail_length-10) {
cube(size=[1, 60, rail_thick-2], center=true);
}
}
}
}
// Snap-tab joiners.
up(rail_height/2) {
joiner_quad(xspacing=rail_spacing+joiner_width, yspacing=motor_rail_length, h=rail_height, w=joiner_width, l=13, a=joiner_angle);
}
}
}
//!bridge_center();
module bridge_center_parts() { // make me
zrot(90) bridge_center();
}
bridge_center_parts();
// vim: noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap

83
bridge_segment_parts.scad
View File

@@ -1,83 +0,0 @@
include <config.scad>
use <GDMUtils.scad>
use <joiners.scad>
module bridge_segment()
{
color([0.9, 0.7, 1.0])
prerender(convexity=20)
union() {
difference() {
union() {
// Bottom.
up(rail_thick/2) yrot(90)
sparse_strut(h=rail_width, l=rail_length, thick=rail_thick, maxang=45, strut=10, max_bridge=500);
// Walls.
zrot_copies([0, 180]) {
up(rail_height/2) {
right((rail_spacing+joiner_width)/2) {
if (wall_style == "crossbeams")
sparse_strut(h=rail_height, l=rail_length-10, thick=joiner_width, strut=5);
if (wall_style == "thinwall")
thinning_wall(h=rail_height, l=rail_length-10, thick=joiner_width, strut=5, bracing=false);
if (wall_style == "corrugated")
corrugated_wall(h=rail_height, l=rail_length-10, thick=joiner_width, strut=5);
}
}
}
// Side Supports
up(rail_height/4) {
yspread(rail_length-2*5-5) {
difference() {
cube(size=[rail_width-joiner_width, 4, rail_height/2], center=true);
xspread(rail_width/3, n=3) {
cube(size=[16, 11, 12], center=true);
}
}
}
}
}
// Clear space for joiners.
up(rail_height/2) {
joiner_quad_clear(xspacing=rail_spacing+joiner_width, yspacing=rail_length, h=rail_height+0.001, w=joiner_width, clearance=5, a=joiner_angle);
}
// Shrinkage stress relief
up(rail_thick/2) {
yspread(11, n=12) {
cube(size=[rail_width+1, 1, rail_thick-2], center=true);
}
xspread(13, n=8) {
yspread(rail_length-10) {
cube(size=[1, 60, rail_thick-2], center=true);
}
}
}
}
// Snap-tab joiners.
up(rail_height/2) {
joiner_quad(xspacing=rail_spacing+joiner_width, yspacing=rail_length, h=rail_height, w=joiner_width, l=5, a=joiner_angle);
}
}
}
//!bridge_segment();
module bridge_segment_parts() { // make me
bridge_segment();
}
bridge_segment_parts();
// vim: noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap

19
config.scad
View File

@@ -26,15 +26,18 @@ groove_height = 12; // mm
joiner_angle = 30; // degrees
joiner_width = 10; // mm
rack_tooth_size = 5; // mm per tooth.
set_screw_size = 3; // mm size of set screw in drive gears, couplers, etc
motor_shaft_size = 5; // mm
motor_shaft_flatted = false; // boolean. Set true if motor shaft has a flattened side.
rack_tooth_size = 5; // mm per tooth.
set_screw_size = 3; // mm size of set screw in drive gears, couplers, etc
motor_length = 34; // mm length of NEMA17 motor.
motor_shaft_size = 5; // mm diameter of NEMA17 motor shaft.
motor_shaft_length = 20; // mm length of NEMA17 motor shaft.
motor_shaft_flatted = true; // Is motor shaft keyed? (RECOMMENDED)
// Currently configured for 3/8" ACME threaded rod and matching 11/16" nut
lifter_rod_diam = 9.5; // mm
lifter_rod_length = 300.0; // mm
lifter_thread_size = 3.175; // mm lift per revolution
// Currently configured for 3/8" ACME threaded rod.
lifter_rod_diam = 9.5; // mm
lifter_rod_length = 300.0; // mm
lifter_thread_size = 3.175; // mm lift per revolution
lifter_thread_depth = 1.25; // mm
/*
// Mechanical endstop boards.

61
full_assembly.scad
View File

@@ -3,9 +3,8 @@ $do_prerender=true;
include <config.scad>
include <GDMUtils.scad>
use <NEMA.scad>
use <acme_screw.scad>
use <bridge_center_parts.scad>
use <bridge_segment_parts.scad>
use <cable_chain_link_parts.scad>
use <cable_chain_mount_parts.scad>
use <drive_gear_parts.scad>
@@ -23,8 +22,7 @@ use <sled_endcap_parts.scad>
use <support_leg_parts.scad>
use <xy_joiner_parts.scad>
use <xy_sled_parts.scad>
use <yz_bottom_joiner_parts.scad>
use <yz_top_joiner_parts.scad>
use <yz_joiner_parts.scad>
use <z_sled_parts.scad>
use <z_strut_parts.scad>
@@ -47,7 +45,7 @@ module x_axis_slider_assembly(slidepos=0)
up(rail_height-5-20) {
motor_mount_plate();
up(20-4-0.2) {
nema17_stepper(h=34, shaft_len=20.05);
nema17_stepper(h=motor_length, shaft_len=motor_shaft_length);
up(19) {
drive_gear();
}
@@ -76,7 +74,7 @@ module y_axis_slider_assembly(slidepos=0)
rail_segment();
fwd(rail_length/2+platform_length) {
// Bottom Y-axis to Z-axis corner joiner.
yz_bottom_joiner();
yz_joiner();
// Support legs.
back(platform_length/2) {
@@ -96,7 +94,7 @@ module y_axis_slider_assembly(slidepos=0)
up(rail_height-5-20) {
motor_mount_plate();
up(20-4-0.2) {
nema17_stepper(h=34, shaft_len=20.05);
nema17_stepper(h=motor_length, shaft_len=motor_shaft_length);
up(19) {
drive_gear();
}
@@ -123,6 +121,9 @@ module z_axis_slider_assembly(slidepos=0)
yspread(rail_length) {
rail_segment();
}
fwd(rail_length) {
rail_endcap();
}
}
back(motor_rail_length) {
zrot(180) rail_z_motor_segment();
@@ -133,16 +134,24 @@ module z_axis_slider_assembly(slidepos=0)
// Stepper Motor
xrot(90) {
motor_mount_plate();
up(20-4-0.2) {
nema17_stepper(h=34, shaft_len=20.05);
up(5) {
color("darkgrey") {
zrot(slidepos/lifter_thread_size*360.0) {
up(20-5-0.2) {
nema17_stepper(h=motor_length, shaft_len=motor_shaft_length);
zrot(slidepos/lifter_thread_size*360.0) {
up(motor_shaft_length) {
color("darkgrey") {
lifter_rod_coupler();
}
}
up(lifter_rod_length/2+16) {
color("silver") cylinder(d=lifter_rod_diam, h=lifter_rod_length, center=true);
up(lifter_rod_length/2) {
color("silver") {
acme_threaded_rod(
d=lifter_rod_diam,
l=lifter_rod_length,
threading=lifter_thread_size,
thread_depth=lifter_thread_depth,
$fn=32
);
}
}
}
}
}
@@ -150,22 +159,7 @@ module z_axis_slider_assembly(slidepos=0)
}
}
}
module bridge_assembly()
{
zring(n=2) {
fwd(motor_rail_length/2) {
fwd(rail_length/2) {
bridge_segment();
fwd(rail_length/2+platform_length) {
yz_top_joiner();
}
}
}
}
bridge_center();
}
//!z_axis_slider_assembly(slidepos=1/32*25.4);
module extruder_assembly(slidepos=0)
@@ -198,11 +192,6 @@ module full_assembly(hide_endcaps=false)
ypos = 100*sin(360*$t);
zpos = 80*cos(240+360*$t)+10;
// Top bridge
up(2*rail_height+motor_rail_length+2*rail_length+groove_height) {
xrot(180) bridge_assembly();
}
// Extruder bridge
up(rail_height+motor_rail_length+rail_length+groove_height) {
extruder_assembly(zpos);

16
lifter_rod_coupler_parts.scad
View File

@@ -1,5 +1,6 @@
include <config.scad>
use <GDMUtils.scad>
use <acme_screw.scad>
$fa = 1;
$fs = 2;
@@ -10,7 +11,6 @@ module lifter_rod_coupler()
diam = 30;
height = 30;
color("SpringGreen")
up(height/2)
difference () {
cylinder(h=height, d=diam, center=true);
down(height/4) {
@@ -22,8 +22,16 @@ module lifter_rod_coupler()
}
}
}
up(height/4)
cylinder(h=height/2+0.1, d=lifter_rod_diam+2*printer_slop, center=true, $fn=24);
up(height/4) {
// cylinder(h=height/2+0.1, d=lifter_rod_diam+2*printer_slop, center=true, $fn=24);
acme_threaded_rod(
d=lifter_rod_diam+2*printer_slop,
l=height/2+0.1,
threading=lifter_thread_size,
thread_depth=0.3,
$fn=32
);
}
right(diam/4)
cube(size=[diam/2+0.1, 2, height+0.1], center=true);
right((diam+lifter_rod_diam)/2/2-1) {
@@ -52,7 +60,7 @@ module lifter_rod_coupler()
module lifter_rod_coupler_parts() { // make me
yspread(50) lifter_rod_coupler();
yspread(50) up(30/2) lifter_rod_coupler();
}

19
motor_mount_plate_parts.scad
View File

@@ -4,26 +4,33 @@ use <NEMA.scad>
use <joiners.scad>
module motor_mount_plate(thick=4, l=20)
$fa=1;
$fs=1;
module motor_mount_plate(thick=5, l=20)
{
motor_width = nema_motor_width(17)+printer_slop*2;
color("Teal")
prerender(convexity=10)
difference() {
union() {
up(l-thick/2) {
up(l-thick) {
difference() {
rrect(size=[motor_mount_spacing+joiner_width, rail_height+10, 4], r=5, center=true);
zrot(90) nema17_mount_holes(depth=thick+1, l=5);
zrot(90) nema17_mount_holes(depth=thick+1, l=0);
down(thick/2/2+0.05)
cube([motor_width, motor_width, thick/2], center=true);
}
}
// Joiners
xrot(-90) joiner_pair(spacing=motor_mount_spacing, h=rail_height, w=joiner_width, l=l, a=joiner_angle);
xrot(-90) joiner_pair(spacing=motor_mount_spacing, h=rail_height, w=joiner_width, l=l-thick/2, a=joiner_angle);
// Standoffs
zrot_copies([0, 180]) {
right(motor_mount_spacing/2+joiner_width/2+endstop_standoff/2-0.05) {
up(l-endstop_hole_inset) {
up(l-thick/2-endstop_hole_inset) {
fwd(endstop_hole_hoff) {
yspread(endstop_hole_spacing) {
difference() {
@@ -53,7 +60,7 @@ module motor_mount_plate(thick=4, l=20)
zrot_copies([0, 180]) {
right(motor_mount_spacing/2+endstop_standoff/2-0.05) {
up(l-endstop_hole_inset) {
up(l-thick/2-endstop_hole_inset) {
fwd(endstop_hole_hoff) {
yspread(endstop_hole_spacing) {
yrot(90) cylinder(r=endstop_screw_size*1.1/2, h=joiner_width+endstop_standoff+0.05, center=true, $fn=12);

2
wiki

Submodule wiki updated: 18360da5f4...fd7e03b968

10
yz_bottom_joiner_parts.scad → yz_joiner_parts.scad
View File

@@ -3,7 +3,7 @@ use <GDMUtils.scad>
use <joiners.scad>
module yz_bottom_joiner()
module yz_joiner()
{
joiner_length=10;
base_height = rail_height+groove_height;
@@ -129,17 +129,17 @@ module yz_bottom_joiner()
}
}
}
//yz_bottom_joiner();
//yz_joiner();
module yz_bottom_joiner_parts() { // make me
fwd(platform_length/2) yz_bottom_joiner();
module yz_joiner_parts() { // make me
fwd(platform_length/2) yz_joiner();
}
yz_bottom_joiner_parts();
yz_joiner_parts();

137
yz_top_joiner_parts.scad
View File

@@ -1,137 +0,0 @@
include <config.scad>
use <GDMUtils.scad>
use <joiners.scad>
module yz_top_joiner()
{
joiner_length=10;
base_height = rail_height+groove_height;
endstop_delta = platform_length - base_height;
motor_mount_spacing=43+joiner_width+10;
color("Turquoise")
prerender(convexity=10)
difference() {
union() {
difference() {
union() {
// Bottom.
up(rail_thick/2) {
back(platform_length/2) {
yrot(90) sparse_strut(h=rail_width, l=platform_length, thick=rail_thick, maxang=45, strut=10, max_bridge=500);
}
}
// Back.
up(rail_height/2) {
back(rail_thick/2) {
zrot(90) {
if (wall_style == "crossbeams")
sparse_strut(h=rail_height, l=rail_width-6, thick=rail_thick, strut=5);
if (wall_style == "thinwall")
thinning_wall(h=rail_height, l=rail_width-6, thick=rail_thick, strut=rail_thick, bracing=false);
if (wall_style == "corrugated")
corrugated_wall(h=rail_height, l=rail_width-6, thick=rail_thick, strut=rail_thick, wall=3);
}
}
}
// Walls
xflip_copy() {
right((rail_spacing+joiner_width)/2) {
back((platform_length-joiner_length+1)/2) {
up(rail_height/2) {
if (wall_style == "crossbeams")
sparse_strut(l=platform_length-joiner_length+1, h=rail_height, thick=joiner_width, strut=5);
if (wall_style == "thinwall")
thinning_wall(l=platform_length-joiner_length+1, h=rail_height, thick=joiner_width, strut=rail_thick, bracing=false);
if (wall_style == "corrugated")
corrugated_wall(l=platform_length-joiner_length+1, h=rail_height, thick=joiner_width, strut=rail_thick, wall=3);
}
}
}
}
}
// Shrinkage stress relief
translate([0, platform_length/2, rail_thick/2]) {
yspread(12, n=7) {
cube(size=[rail_width+1, 1, rail_thick-2], center=true);
}
xspread(12, n=9) {
yspread(platform_length-10) {
cube(size=[1, 20, rail_thick-2], center=true);
}
}
}
// Clear space for front joiners.
translate([0, platform_length+0.05, rail_height/2]) {
joiner_pair_clear(spacing=rail_spacing+joiner_width, h=rail_height+0.001, w=joiner_width, clearance=5, a=joiner_angle);
}
// Clear space for top joiners.
translate([0, rail_height/2, rail_height+0.05]) {
xrot(90) joiner_pair_clear(spacing=rail_spacing+joiner_width, h=rail_height, w=joiner_width+0.001, clearance=5, a=joiner_angle);
}
// Z endstop mount.
back(rail_height+groove_height) {
up(rail_height-3) {
xspread(rail_width-joiner_width) {
yspread(endstop_hole_spacing) {
yrot(90) cylinder(d=endstop_screw_size, h=joiner_width+10, center=true, $fn=8);
hull() {
grid_of(za=[0,5]) {
yrot(90) {
metric_nut(size=endstop_screw_size, hole=false, center=true);
}
}
}
}
}
}
}
}
// Front joiners.
translate([0, platform_length, rail_height/2]) {
joiner_pair(spacing=rail_spacing+joiner_width, h=rail_height, w=joiner_width, l=joiner_length, a=joiner_angle);
}
// Top joiners.
translate([0, rail_height/2, rail_height]) {
xrot(90) joiner_pair(spacing=rail_spacing+joiner_width, h=rail_height, w=joiner_width, l=7, a=joiner_angle);
}
translate([0, platform_length-joiner_length, rail_height/4]) {
difference() {
// Side supports.
cube(size=[rail_width, 4, rail_height/2], center=true);
// Wiring access holes.
xspread(rail_width/3, n=3) {
cube(size=[16, 11, 11], center=true);
}
}
}
}
}
}
//yz_top_joiner();
module yz_top_joiner_parts() { // make me
fwd(platform_length/2) yz_top_joiner();
}
yz_top_joiner_parts();
// vim: noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap

26
z_sled_parts.scad
View File

@@ -55,17 +55,19 @@ module z_sled()
}
}
// Slider ridge
yspread(platform_length-slider_len) {
up(groove_height/2+offcenter) {
zring(n=2, r=joiner_width/2+printer_slop+2) {
xs = 1 + 4/(groove_height*tan(groove_angle));
scale([xs*tan(groove_angle),1,xs]) {
difference() {
yrot(45) {
rcube(size=[groove_height/sqrt(2), slider_len, groove_height/sqrt(2)], r=1, center=true, $fn=12);
}
right(groove_height/2+0.1) {
cube([groove_height, slider_len+1, groove_height+1], center=true);
fwd(10/2) {
yspread(platform_length-slider_len-10) {
up(groove_height/2+offcenter) {
zring(n=2, r=joiner_width/2+printer_slop+2) {
xs = 1 + 4/(groove_height*tan(groove_angle));
scale([xs*tan(groove_angle),1,xs]) {
difference() {
yrot(45) {
rcube(size=[groove_height/sqrt(2), slider_len, groove_height/sqrt(2)], r=1, center=true, $fn=12);
}
right(groove_height/2+0.1) {
cube([groove_height, slider_len+1, groove_height+1], center=true);
}
}
}
}
@@ -93,7 +95,7 @@ module z_sled()
d=lifter_rod_diam+2*printer_slop,
l=lifter_block_size+0.5+2*lifter_thread_size,
threading=lifter_thread_size,
thread_depth=1.0,
thread_depth=lifter_thread_depth-printer_slop,
$fn=32
);
}