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add r, d, & h parameters to pco1810_cap()

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Brian Alano 2023-08-28 17:47:27 -04:00
parent 98816d07f9
commit f22a29116f
1 changed files with 22 additions and 13 deletions
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35
bottlecaps.scad
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@ -147,10 +147,13 @@ function pco1810_neck(wall=2, anchor="support-ring", spin=0, orient=UP) =
// Topics: Bottles, Threading // Topics: Bottles, Threading
// See Also: pco1810_neck() // See Also: pco1810_neck()
// Usage: // Usage:
// pco1810_cap([wall], [texture]) [ATTACHMENTS]; // pco1810_cap([h], [r|d], [wall], [texture]) [ATTACHMENTS];
// Description: // Description:
// Creates a basic cap for a PCO1810 threaded beverage bottle. // Creates a basic cap for a PCO1810 threaded beverage bottle.
// Arguments: // Arguments:
// h = The height of the cap.
// r = Outer radius of the cap.
// d = Outer diameter of the cap.
// wall = Wall thickness in mm. // wall = Wall thickness in mm.
// texture = The surface texture of the cap. Valid values are "none", "knurled", or "ribbed". Default: "none" // texture = The surface texture of the cap. Valid values are "none", "knurled", or "ribbed". Default: "none"
// --- // ---
@ -169,7 +172,7 @@ function pco1810_neck(wall=2, anchor="support-ring", spin=0, orient=UP) =
// expose_anchors(0.3) // expose_anchors(0.3)
// pco1810_cap(texture="ribbed") // pco1810_cap(texture="ribbed")
// show_anchors(std=false); // show_anchors(std=false);
module pco1810_cap(wall=2, texture="none", anchor=BOTTOM, spin=0, orient=UP) module pco1810_cap(h, r, d, wall, texture="none", anchor=BOTTOM, spin=0, orient=UP)
{ {
cap_id = 28.58; cap_id = 28.58;
tamper_ring_h = 14.10; tamper_ring_h = 14.10;
@ -178,33 +181,39 @@ module pco1810_cap(wall=2, texture="none", anchor=BOTTOM, spin=0, orient=UP)
thread_od = cap_id; thread_od = cap_id;
thread_depth = 1.6; thread_depth = 1.6;
rr = get_radius(r=r, d=d, dflt=undef);
wwall = default(u_sub(rr,cap_id/2), default(wall, 2));
hh = default(h, tamper_ring_h + wwall);
checks =
assert(wwall >= 0, "wall can't be negative.")
assert(hh >= tamper_ring_h, str("height can't be less than ", tamper_ring_h, "."));
$fn = segs(33/2); $fn = segs(33/2);
w = cap_id + 2*wall; w = cap_id + 2*wwall;
h = tamper_ring_h + wall;
anchors = [ anchors = [
named_anchor("inside-top", [0,0,-(h/2-wall)]) named_anchor("inside-top", [0,0,-(hh/2-wwall)])
]; ];
attachable(anchor,spin,orient, d=w, l=h, anchors=anchors) { attachable(anchor,spin,orient, d=w, l=hh, anchors=anchors) {
down(h/2) zrot(45) { down(hh/2) zrot(45) {
difference() { difference() {
union() { union() {
if (texture == "knurled") { if (texture == "knurled") {
cyl(d=w, h=h, texture="diamonds", tex_size=[3,3], tex_style="concave", anchor=BOT); cyl(d=w, h=hh, texture="diamonds", tex_size=[3,3], tex_style="concave", anchor=BOT);
} else if (texture == "ribbed") { } else if (texture == "ribbed") {
cyl(d=w, h=h, texture="ribs", tex_size=[3,3], tex_style="min_edge", anchor=BOT); cyl(d=w, h=hh, texture="ribs", tex_size=[3,3], tex_style="min_edge", anchor=BOT);
} else { } else {
cyl(d=w, l=tamper_ring_h+wall, anchor=BOTTOM); cyl(d=w, l=hh, anchor=BOTTOM);
} }
} }
up(wall) cyl(d=cap_id, h=tamper_ring_h+wall, anchor=BOTTOM); up(hh-tamper_ring_h) cyl(d=cap_id, h=tamper_ring_h+wwall, anchor=BOTTOM);
} }
up(wall+2) thread_helix(d=thread_od-thread_depth*2, pitch=thread_pitch, thread_depth=thread_depth, flank_angle=flank_angle, turns=810/360, lead_in=-thread_depth, internal=true, anchor=BOTTOM); up(hh-tamper_ring_h+2) thread_helix(d=thread_od-thread_depth*2, pitch=thread_pitch, thread_depth=thread_depth, flank_angle=flank_angle, turns=810/360, lead_in=-thread_depth, internal=true, anchor=BOTTOM);
} }
children(); children();
} }
} }
function pco1810_cap(wall=2, texture="none", anchor=BOTTOM, spin=0, orient=UP) = function pco1810_cap(h, r, d, wall, texture="none", anchor=BOTTOM, spin=0, orient=UP) =
no_function("pco1810_cap"); no_function("pco1810_cap");