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Tightened up roller caps. Added lifter nuts to full assembly model.

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This commit is contained in:
Revar Desmera
2014-09-05 16:54:25 -07:00
parent be92b834ad
commit f412d87520
5 changed files with 38 additions and 9 deletions
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1
full_assembly.scad
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@@ -165,6 +165,7 @@ module full_assembly()
xrot(-90) yrot(180) {
z_sled();
z_sled_rollers();
z_sled_nuts();
}
translate([0, 0, platform_length/2]) {

1
lifter_nut_part.scad
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@@ -38,6 +38,7 @@ module lifter_nut()
}
}
}
//!lifter_nut();

17
roller_cap_parts.scad
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@@ -3,21 +3,24 @@ use <GDMUtils.scad>
module roller_cap(r=roller_axle/2-3, h=10, wall=3, cap=2, lip=1.5)
module roller_cap(r=5.0, h=10, wall=3, cap=2, lip=1.5, shelf=2.4, slop=0.25)
{
$fn = 16;
color("Pink") difference() {
union() {
translate([0,0,-cap/2])
cylinder(r=r+lip+wall, h=cap, center=true, $fn=32);
cylinder(r=r+lip+wall, h=cap, center=true);
translate([0,0,0.3/2])
cylinder(r=r+shelf, h=0.3, center=true);
translate([0,0,h*3/8])
cylinder(r1=r-0.5, r2=r, h=h*3/4, center=true, $fn=32);
cylinder(r1=r-slop, r2=r-slop, h=h*3/4, center=true);
translate([0,0,h*7/8])
cylinder(r1=r, r2=r-wall/2, h=h*1/4, center=true, $fn=32);
cylinder(r1=r-slop+0.6, r2=r-wall/2, h=h*1/4, center=true);
}
translate([0,0,h/2+1])
cylinder(r=r-wall, h=h+1, center=true, $fn=12);
cylinder(r=r-wall, h=h+1, center=true, $fn=8);
zrot_copies([0,90]) translate([0,0,h*5/8])
cube(size=[1,r*2,h],center=true);
cube(size=[1,r*3,h],center=true);
}
}
//roller_cap();
@@ -32,7 +35,7 @@ module roller_cap_parts() { // make me
xa=[-spacing*(num_x-1)/2:spacing:spacing*(num_x-1)/2],
ya=[-spacing*(num_y-1)/2:spacing:spacing*(num_y-1)/2],
za=[2]
) roller_cap(r=roller_axle/2-3, h=10, lip=2, wall=3);
) roller_cap(r=roller_axle/2-2.5-0.2, h=10, wall=3, lip=1.5, shelf=2.5);
}

11
slider_sled.scad
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@@ -10,6 +10,8 @@ module slider_sled(show_rollers=false)
{
axle_rad = (roller_axle/2) - 0.2;
axle_len = roller_thick;
pedestal_lip = 1.5;
cap_snap_len = 10*3/4;
union() {
difference() {
@@ -49,12 +51,17 @@ module slider_sled(show_rollers=false)
grid_of(ya=[-(platform_length/2)/2, (platform_length/2)/2]) {
// Roller pedestals
translate([0,0,roller_base/2]) {
cylinder(h=roller_base, r=axle_rad+1.5, center=true, $fn=32);
cylinder(h=roller_base, r=axle_rad+pedestal_lip, center=true, $fn=32);
}
// Roller axles
translate([0,0,axle_len/2+roller_base]) {
tube(h=axle_len+0.05, r=axle_rad, wall=2.5, center=true, $fn=32);
difference() {
cylinder(h=axle_len, r=axle_rad, center=true, $fn=32);
cylinder(h=axle_len+0.05, r=axle_rad-2.5, center=true, $fn=16);
translate([0, 0, -axle_len/2+(axle_len-cap_snap_len)/2])
cylinder(h=axle_len-cap_snap_len+0.05, r=axle_rad-2.0, center=true, $fn=16);
}
}
}
}

17
z_sled_part.scad
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@@ -2,6 +2,7 @@ include <config.scad>
use <GDMUtils.scad>
use <slider_sled.scad>
use <nut_capture.scad>
use <lifter_nut_part.scad>
@@ -39,6 +40,22 @@ module z_sled_rollers()
module z_sled_nuts()
{
// Quantize nut housing spacing to the thread lift size.
nut_spacing = floor((platform_length-20)/lifter_thread_size) * lifter_thread_size;
// Drive nut capture
grid_of(
ya=[-nut_spacing/2, nut_spacing/2],
za=[(roller_base+roller_thick/2)]
) {
zrot(90) yrot(-90) lifter_nut();
}
}
module z_sled_part() { // make me
zrot(90) z_sled();
}