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Fixed orient and anchor for PCO1881 threadings.

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Revar Desmera 2019-05-03 16:13:02 -07:00
parent 30af11d7be
commit 8ecc282ced
1 changed files with 65 additions and 41 deletions
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106
threading.scad
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@ -798,53 +798,63 @@ module square_threaded_nut(
// Creates an approximation of a standard PCO-1881 threaded beverage bottle neck. // Creates an approximation of a standard PCO-1881 threaded beverage bottle neck.
// Arguments: // Arguments:
// wall = Wall thickness in mm. // wall = Wall thickness in mm.
// Extra Anchors:
// "support-ring" = Centered at the bottom of the support ring.
// Example: // Example:
// pco1881_neck(); // pco1881_neck();
module pco1881_neck(wall=2) module pco1881_neck(wall=2, orient=ORIENT_Z, anchor="support-ring")
{ {
$fn = segs(33/2); $fn = segs(33/2);
difference() { h = 17+5;
union() { anchors = [
difference() { anchorpt("support-ring", [0,0,5-h/2])
union() { ];
down(5) cylinder(d=24.20, h=17+5, anchor=BOTTOM); orient_and_anchor([33,33,17+5], orient, anchor, anchors=anchors, chain=true) {
up(5-h/2)
difference() {
union() {
difference() {
union() {
down(5) cylinder(d=24.20, h=17+5, anchor=BOTTOM);
// Tamper-proof retaining ring // Tamper-proof retaining ring
cylinder(d=25.70, h=5.81, anchor=BOTTOM); cylinder(d=25.70, h=5.81, anchor=BOTTOM);
up(5.8) cylinder(d=28.0, h=0.59, anchor=BOTTOM); up(5.8) cylinder(d=28.0, h=0.59, anchor=BOTTOM);
up(5.8+0.589) cylinder(d1=28.0, d2=24.2, h=1.9, anchor=BOTTOM); up(5.8+0.589) cylinder(d1=28.0, d2=24.2, h=1.9, anchor=BOTTOM);
}
// Fillet above support ridge
up(3) rotate_extrude(convexity=4) {
right(13.46) circle(r=1.08, $fn=16);
}
} }
// Fillet above support ridge // Threads
up(3) rotate_extrude(convexity=4) { up(17-1.7)
right(13.46) circle(r=1.08, $fn=16); thread_helix(
} base_d=24.1,
pitch=2.7,
thread_depth=1.7,
thread_angle=15,
twist=650,
higbee=60,
anchor=TOP
);
// Support Ledge
cylinder(d=33, h=1.16, anchor=BOTTOM);
up(1.159) cylinder(d1=33, d2=25.7, h=0.979, anchor=BOTTOM);
// Top brim
up(17) cyl(d=24.94, h=1.5, rounding2=0.58, anchor=TOP);
up(17-1) cyl(d=25.07, h=0.7, anchor=TOP);
up(17-1.7) rounding_hole_mask(d=24.2, rounding=0.3, overage=0.01);
} }
// Threads // Neck hole
up(17-1.7) down(5.01) cylinder(d=24.2-2*wall, h=17.02+5, anchor=BOTTOM);
thread_helix(
base_d=24.2,
pitch=2.7,
thread_depth=1.6,
thread_angle=15,
twist=650,
higbee=60,
anchor=TOP
);
// Support Ledge
cylinder(d=33, h=1.16, anchor=BOTTOM);
up(1.159) cylinder(d1=33, d2=25.7, h=0.979, anchor=BOTTOM);
// Top brim
up(17) cyl(d=24.94, h=1.5, rounding2=0.58, anchor=TOP);
up(17-1) cyl(d=25.07, h=0.7, anchor=TOP);
up(17-1.7) rounding_hole_mask(d=24.2, rounding=0.3, overage=0.01);
} }
children();
// Neck hole
down(5.01) cylinder(d=24.2-2*wall, h=17.02+5, anchor=BOTTOM);
} }
} }
@ -856,14 +866,28 @@ module pco1881_neck(wall=2)
// Creates a basic cap for a PCO1881 threaded beverage bottle. // Creates a basic cap for a PCO1881 threaded beverage bottle.
// Arguments: // Arguments:
// wall = Wall thickness in mm. // wall = Wall thickness in mm.
// orient = Orientation of the threads. Use the `ORIENT_` constants from `constants.scad`. Default: `ORIENT_Z`.
// anchor = Alignment of the threads. Use the constants from `constants.scad`. Default: `"inside-top"`.
// Extra Anchors:
// "inside-top" = Centered on the inside top of the cap.
// Example: // Example:
// pco1881_cap(); // pco1881_cap();
module pco1881_cap(wall=2) module pco1881_cap(wall=2, orient=ORIENT_Z, anchor=TOP)
{ {
$fn = segs(33/2); $fn = segs(33/2);
tube(id=28.58, wall=wall, h=11.2+wall, anchor=BOTTOM); w = 28.58 + 2*wall;
cylinder(d=28.58+wall, h=wall, anchor=BOTTOM); h = 11.2 + wall;
up(wall+2) thread_helix(base_d=25.5, pitch=2.7, thread_depth=1.6, thread_angle=15, twist=650, higbee=45, interior=true, anchor=BOTTOM); anchors = [
anchorpt("inside-top", [0,0,h/2-wall])
];
orient_and_anchor([w, w, 11.2+wall], orient, anchor, anchors=anchors, orig_anchor=TOP, chain=true) {
zrot(45) xrot(180) {
tube(id=28.58, wall=wall, h=11.2+wall, anchor=BOTTOM);
cylinder(d=w, h=wall, anchor=BOTTOM);
up(wall+2) thread_helix(base_d=25.5, pitch=2.7, thread_depth=1.6, thread_angle=15, twist=650, higbee=45, interior=true, anchor=BOTTOM);
}
children();
}
} }