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Optimized sliders.

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Revar Desmera
2017-05-12 21:59:27 -07:00
parent faeff99bd5
commit 6af1a62938
9 changed files with 2693 additions and 14073 deletions
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28
STLs/cable_chain_mount_parts.stl
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@@ -2344,13 +2344,6 @@ solid Model
vertex -33 -14 9.5
endloop
endfacet
facet normal 0 0 0
outer loop
vertex 22 -14 0
vertex 22 -14 3.5
vertex 22 -14 9.5
endloop
endfacet
facet normal -1 0 0
outer loop
vertex -40 8.05 0
@@ -2393,6 +2386,13 @@ solid Model
vertex 22 -20 3.5
endloop
endfacet
facet normal 0 0 0
outer loop
vertex 22 -14 0
vertex 22 -14 3.5
vertex 22 -14 15
endloop
endfacet
facet normal 0 1 0
outer loop
vertex -50 8.05 0
@@ -5305,13 +5305,6 @@ solid Model
vertex -33 -14 15
endloop
endfacet
facet normal 0 0 0
outer loop
vertex 22 -14 0
vertex 22 -14 9.5
vertex 22 -14 15
endloop
endfacet
facet normal -1 0 0
outer loop
vertex -40 8.05 0
@@ -6432,6 +6425,13 @@ solid Model
vertex 22 -20 9.5
endloop
endfacet
facet normal 0 0 0
outer loop
vertex 22 -14 3.5
vertex 22 -14 9.5
vertex 22 -14 15
endloop
endfacet
facet normal -0.206 0.705 -0.678
outer loop
vertex -45.78 8.05 3.577

1370
STLs/drive_gear_parts.stl
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File diff suppressed because it is too large Load Diff

10506
STLs/rail_segment_parts.stl
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File diff suppressed because it is too large Load Diff

4618
STLs/rail_xy_motor_segment_parts.stl
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File diff suppressed because it is too large Load Diff

28
STLs/z_rail_parts.stl
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@@ -1483,13 +1483,6 @@ solid Model
vertex 32.5 -63.358 0.05
endloop
endfacet
facet normal 0 0 0
outer loop
vertex 32.5 -62.275 0
vertex 32.5 -62.275 0.05
vertex 32.5 -62.275 5
endloop
endfacet
facet normal 0 0 0
outer loop
vertex 32.5 62.275 0
@@ -1518,6 +1511,13 @@ solid Model
vertex -42.5 62.275 0.05
endloop
endfacet
facet normal 0 0 0
outer loop
vertex 32.5 -62.275 0
vertex 32.5 -62.275 0.05
vertex 32.5 -62.275 22
endloop
endfacet
facet normal 1 0 0
outer loop
vertex 32.5 -67.75 0
@@ -1945,6 +1945,13 @@ solid Model
vertex -32 62.458 9.167
endloop
endfacet
facet normal 0 0 0
outer loop
vertex 32.5 -62.275 0
vertex 32.5 -62.275 22
vertex 32.5 -62.275 5
endloop
endfacet
facet normal 1 0 0
outer loop
vertex -27.5 -67.75 0
@@ -2876,13 +2883,6 @@ solid Model
vertex -32.5 64.863 5
endloop
endfacet
facet normal 0 0 0
outer loop
vertex 32.5 -62.275 0.05
vertex 32.5 -62.275 22
vertex 32.5 -62.275 5
endloop
endfacet
facet normal 0 0 0
outer loop
vertex 32.5 62.275 0.05

2
drive_gear_parts.scad
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@@ -7,7 +7,7 @@ $fa = 2;
$fs = 2;
module drive_gear() {
shaft = motor_shaft_size + printer_slop;
shaft = motor_shaft_size;
rack_module = rack_tooth_size / pi;
gear_pcd = gear_teeth * rack_module;
addendum = rack_module;

16
rail_segment_parts.scad
View File

@@ -44,8 +44,8 @@ module rail_segment(explode=0, connectby="")
// Rails.
xspread(rail_spacing+joiner_width) {
up(rail_height+groove_height/2-0.05) {
rail(l=l, w=joiner_width, h=groove_height);
up(rail_height+groove_height/2-0.01) {
rail(l=l, w=joiner_width-0.01, h=groove_height);
}
}
@@ -102,18 +102,6 @@ module rail_segment(explode=0, connectby="")
}
}
}
// Shrinkage stress relief
up(rail_thick/2) {
yspread(17.5, n=7) {
cube(size=[rail_width+1, 1, rail_thick-2], center=true);
}
xspread(22, n=5) {
yspread(l-10) {
cube(size=[1, 17.5*2, rail_thick-2], center=true);
}
}
}
}
// Side half joiners

4
rail_xy_motor_segment_parts.scad
View File

@@ -78,8 +78,8 @@ module rail_xy_motor_segment(explode=0, connectby="")
// Rails.
xspread(rail_spacing+joiner_width) {
up(rail_height+groove_height/2-0.05) {
rail(l=motor_rail_length, w=joiner_width, h=groove_height);
up(rail_height+groove_height/2-0.01) {
rail(l=motor_rail_length, w=joiner_width-0.01, h=groove_height);
}
}

194
sliders.scad
View File

@@ -64,96 +64,124 @@ module slider(l=30, w=joiner_width, h=groove_height, base=10, wall=5, ang=groove
module rail(l=30, w=joiner_width, h=groove_height, fillet=1.0, ang=groove_angle)
module rail(l=30, w=joiner_width, h=groove_height, chamfer=1.0, ang=groove_angle)
{
difference() {
// Rail backing.
down(0.05/2) cube(size=[w, l, h+0.05], center=true);
attack_ang = 30;
attack_len = 2;
xflip_copy() {
left(w/2) {
up(h/2) {
zflip() {
xrot(90) fillet_planes_joint_mask(h=l+1, r=fillet, ang=90-ang, $fn=12);
}
}
}
}
z1 = h/2;
z2 = z1 - chamfer * cos(ang);
z3 = z1 - attack_len * sin(attack_ang);
z4 = 0;
// Rail grooves.
xflip_copy() {
right(w/2) {
// main groove
scale([tan(ang),1,1]) yrot(45) {
cube(size=[h*sqrt(2)/2,l+1,h*sqrt(2)/2], center=true);
}
x1 = w/2;
x2 = x1 - chamfer * sin(ang);
x3 = x1 - chamfer;
x4 = x1 - attack_len * sin(attack_ang);
x5 = x2 - attack_len * sin(attack_ang);
x6 = x1 - z1 * sin(ang);
x7 = x4 - z1 * sin(ang);
// fillets
endfacets = 3;
facelen = h/2/cos(ang);
inset = h/2*tan(ang);
yflip_copy() {
fwd(l/2) {
scale([1, 2, 1]) {
up(h/2) {
// top end fillets
difference() {
cube([w*2, fillet*2, fillet*2], center=true);
back(fillet) down(fillet) {
yrot(90) cylinder(r=fillet, h=w*3, center=true, $fn=endfacets*4);
}
}
y1 = l/2;
y2 = y1 - attack_len * cos(attack_ang);
// top corner end fillets
down(fillet/sin(ang)) {
yrot(45+ang/2) {
difference() {
cube([w*2, fillet*2, fillet*2], center=true);
back(fillet) down(fillet) {
yrot(90) cylinder(r=fillet, h=w*3, center=true, $fn=endfacets*4);
}
}
}
}
}
polyhedron(
convexity=4,
points=[
[-x5, -y1, z3],
[ x5, -y1, z3],
[ x7, -y1, z4],
[ x4, -y1, -z1],
[-x4, -y1, -z1],
[-x7, -y1, z4],
// groove fillets
left(inset) {
difference() {
zflip_copy() {
left(fillet/cos(ang)) {
yrot(-ang) {
right(fillet) {
down(facelen*1.5/2) {
cube([fillet*2, fillet*2, facelen*1.5], center=true);
}
}
}
}
}
zflip_copy() {
left(fillet/cos(ang)) {
yrot(-ang) {
right(fillet) {
down(facelen) {
back(fillet) left(fillet) {
cylinder(r=fillet, h=facelen*3, center=true, $fn=endfacets*4);
}
}
}
}
}
}
}
}
}
}
}
}
}
}
[-x3, -y2, z1],
[ x3, -y2, z1],
[ x2, -y2, z2],
[ x6, -y2, z4],
[ x1, -y2, -z1],
[-x1, -y2, -z1],
[-x6, -y2, z4],
[-x2, -y2, z2],
[ x5, y1, z3],
[-x5, y1, z3],
[-x7, y1, z4],
[-x4, y1, -z1],
[ x4, y1, -z1],
[ x7, y1, z4],
[ x3, y2, z1],
[-x3, y2, z1],
[-x2, y2, z2],
[-x6, y2, z4],
[-x1, y2, -z1],
[ x1, y2, -z1],
[ x6, y2, z4],
[ x2, y2, z2],
],
faces=[
[0, 1, 2],
[0, 2, 5],
[2, 3, 4],
[2, 4, 5],
[0, 13, 6],
[0, 6, 7],
[0, 7, 1],
[1, 7, 8],
[1, 8, 9],
[1, 9, 2],
[2, 9, 10],
[2, 10, 3],
[3, 10, 11],
[3, 11, 4],
[4, 11, 12],
[4, 12, 5],
[5, 12, 13],
[5, 13, 0],
[14, 15, 16],
[14, 16, 19],
[16, 17, 18],
[16, 18, 19],
[14, 27, 20],
[14, 20, 21],
[14, 21, 15],
[15, 21, 22],
[15, 22, 23],
[15, 23, 16],
[16, 23, 24],
[16, 24, 17],
[17, 24, 25],
[17, 25, 18],
[18, 25, 26],
[18, 26, 19],
[19, 26, 27],
[19, 27, 14],
[6, 21, 20],
[6, 20, 7],
[7, 20, 27],
[7, 27, 8],
[8, 27, 26],
[8, 26, 9],
[9, 26, 25],
[9, 25, 10],
[10, 25, 24],
[10, 24, 11],
[11, 24, 23],
[11, 23, 12],
[12, 23, 22],
[12, 22, 13],
[13, 22, 21],
[13, 21, 6],
]
);
}
rail(l=30);
//!rail(l=30, w=joiner_width, h=groove_height);
// vim: noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap