mirror of
https://github.com/BelfrySCAD/BOSL2.git
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352 lines
13 KiB
OpenSCAD
352 lines
13 KiB
OpenSCAD
//////////////////////////////////////////////////////////////////////
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// LibFile: bottlecaps.scad
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// Bottle caps and necks for PCO18XX standard plastic beverage bottles.
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// To use, add the following lines to the beginning of your file:
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// ```
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// include <BOSL2/std.scad>
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// include <BOSL2/bottlecaps.scad>
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// ```
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//////////////////////////////////////////////////////////////////////
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include <threading.scad>
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include <knurling.scad>
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// Section: PCO-1810 Bottle Threading
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// Module: pco1810_neck()
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// Usage:
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// pco1810_neck()
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// Description:
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// Creates an approximation of a standard PCO-1810 threaded beverage bottle neck.
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// Arguments:
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// wall = Wall thickness in mm.
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// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#anchor). Default: `CENTER`
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// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#spin). Default: `0`
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// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#orient). Default: `UP`
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// Extra Anchors:
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// "tamper-ring" = Centered at the top of the anti-tamper ring channel.
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// "support-ring" = Centered at the bottom of the support ring.
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// Example:
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// pco1810_neck();
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module pco1810_neck(wall=2, anchor="support-ring", spin=0, orient=UP)
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{
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inner_d = 21.74;
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neck_d = 26.19;
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neck_h = 5.00;
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support_d = 33.00;
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support_width = 1.45;
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support_rad = 0.40;
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support_h = 21.00;
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support_ang = 16;
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tamper_ring_d = 27.97;
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tamper_ring_width = 0.50;
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tamper_ring_r = 1.60;
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tamper_base_d = 25.71;
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tamper_base_h = 14.10;
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threadbase_d = 24.51;
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thread_pitch = 3.18;
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thread_angle = 20;
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thread_od = 27.43;
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lip_d = 25.07;
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lip_h = 1.70;
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lip_leadin_r = 0.20;
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lip_recess_d = 24.94;
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lip_recess_h = 1.00;
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lip_roundover_r = 0.58;
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$fn = segs(support_d/2);
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h = support_h+neck_h;
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thread_h = (thread_od-threadbase_d)/2;
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anchors = [
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anchorpt("support-ring", [0,0,neck_h-h/2]),
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anchorpt("tamper-ring", [0,0,h/2-tamper_base_h])
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];
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attachable(anchor,spin,orient, d=support_d, l=h, anchors=anchors) {
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down(h/2) {
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rotate_extrude(convexity=10) {
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polygon(turtle(
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state=[inner_d/2,0], [
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"untilx", neck_d/2,
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"left", 90,
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"move", neck_h - 1,
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"arcright", 1, 90,
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"untilx", support_d/2-support_rad,
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"arcleft", support_rad, 90,
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"move", support_width,
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"arcleft", support_rad, 90-support_ang,
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"untilx", tamper_base_d/2,
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"right", 90-support_ang,
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"untily", h-tamper_base_h, // Tamper ring holder base.
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"right", 90,
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"untilx", tamper_ring_d/2,
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"left", 90,
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"move", tamper_ring_width,
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"arcleft", tamper_ring_r, 90,
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"untilx", threadbase_d/2,
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"right", 90,
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"untily", h-lip_h-lip_leadin_r, // Lip base.
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"arcright", lip_leadin_r, 90,
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"untilx", lip_d/2,
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"left", 90,
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"untily", h-lip_recess_h,
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"left", 90,
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"untilx", lip_recess_d/2,
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"right", 90,
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"untily", h-lip_roundover_r,
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"arcleft", lip_roundover_r, 90,
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"untilx", inner_d/2
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]
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));
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}
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up(h-lip_h) {
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bottom_half() {
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difference() {
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thread_helix(
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base_d=threadbase_d-0.1,
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pitch=thread_pitch,
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thread_depth=thread_h+0.1,
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thread_angle=thread_angle,
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twist=810,
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higbee=75,
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anchor=TOP
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);
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zrot_copies(rots=[90,270]) {
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zrot_copies(rots=[-28,28], r=threadbase_d/2) {
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prismoid([20,1.82], [20,1.82+2*sin(29)*thread_h], h=thread_h+0.1, anchor=BOT, orient=RIGHT);
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}
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}
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}
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}
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}
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}
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children();
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}
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}
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// Module: pco1810_cap()
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// Usage:
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// pco1810_cap(wall, [texture]);
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// Description:
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// Creates a basic cap for a PCO1810 threaded beverage bottle.
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// Arguments:
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// wall = Wall thickness in mm.
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// texture = The surface texture of the cap. Valid values are "none", "knurled", or "ribbed". Default: "none"
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// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#anchor). Default: `CENTER`
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// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#spin). Default: `0`
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// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#orient). Default: `UP`
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// Extra Anchors:
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// "inside-top" = Centered on the inside top of the cap.
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// Examples:
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// pco1810_cap();
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// pco1810_cap(texture="knurled");
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// pco1810_cap(texture="ribbed");
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module pco1810_cap(wall=2, texture="none", anchor=BOTTOM, spin=0, orient=UP)
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{
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cap_id = 28.58;
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tamper_ring_h = 14.10;
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thread_pitch = 3.18;
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thread_angle = 20;
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thread_od = cap_id;
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thread_depth = 1.6;
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$fn = segs(33/2);
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w = cap_id + 2*wall;
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h = tamper_ring_h + wall;
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anchors = [
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anchorpt("inside-top", [0,0,-(h/2-wall)])
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];
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attachable(anchor,spin,orient, d=w, l=h, anchors=anchors) {
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down(h/2) zrot(45) {
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difference() {
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union() {
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if (texture == "knurled") {
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knurled_cylinder(d=w, helix=45, l=tamper_ring_h+wall, anchor=BOTTOM);
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cyl(d=w-1.5, l=tamper_ring_h+wall, anchor=BOTTOM);
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} else if (texture == "ribbed") {
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zrot_copies(n=30, r=(w-1)/2) {
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cube([1, 1, tamper_ring_h+wall], anchor=BOTTOM);
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}
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cyl(d=w-1, l=tamper_ring_h+wall, anchor=BOTTOM);
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} else {
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cyl(d=w, l=tamper_ring_h+wall, anchor=BOTTOM);
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}
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}
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up(wall) cyl(d=cap_id, h=tamper_ring_h+wall, anchor=BOTTOM);
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}
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up(wall+2) thread_helix(base_d=thread_od-thread_depth*2, pitch=thread_pitch, thread_depth=thread_depth, thread_angle=thread_angle, twist=810, higbee=45, internal=true, anchor=BOTTOM);
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}
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children();
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}
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}
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// Section: PCO-1881 Bottle Threading
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// Module: pco1881_neck()
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// Usage:
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// pco1881_neck()
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// Description:
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// Creates an approximation of a standard PCO-1881 threaded beverage bottle neck.
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// Arguments:
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// wall = Wall thickness in mm.
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// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#anchor). Default: `CENTER`
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// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#spin). Default: `0`
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// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#orient). Default: `UP`
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// Extra Anchors:
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// "tamper-ring" = Centered at the top of the anti-tamper ring channel.
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// "support-ring" = Centered at the bottom of the support ring.
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// Example:
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// pco1881_neck();
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module pco1881_neck(wall=2, anchor="support-ring", spin=0, orient=UP)
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{
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inner_d = 21.74;
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neck_d = 26.19;
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neck_h = 5.00;
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support_d = 33.00;
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support_width = 0.58;
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support_rad = 0.30;
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support_h = 17.00;
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support_ang = 15;
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tamper_ring_d = 28.00;
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tamper_ring_width = 0.30;
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tamper_ring_ang = 45;
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tamper_base_d = 25.71;
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tamper_base_h = 11.20;
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tamper_divot_r = 1.08;
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threadbase_d = 24.20;
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thread_pitch = 2.70;
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thread_angle = 15;
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thread_od = 27.4;
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lip_d = 25.07;
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lip_h = 1.70;
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lip_leadin_r = 0.30;
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lip_recess_d = 24.94;
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lip_recess_h = 1.00;
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lip_roundover_r = 0.58;
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$fn = segs(support_d/2);
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h = support_h+neck_h;
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thread_h = (thread_od-threadbase_d)/2;
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anchors = [
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anchorpt("support-ring", [0,0,neck_h-h/2]),
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anchorpt("tamper-ring", [0,0,h/2-tamper_base_h])
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];
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attachable(anchor,spin,orient, d=support_d, l=h, anchors=anchors) {
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down(h/2) {
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rotate_extrude(convexity=10) {
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polygon(turtle(
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state=[inner_d/2,0], [
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"untilx", neck_d/2,
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"left", 90,
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"move", neck_h - 1,
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"arcright", 1, 90,
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"untilx", support_d/2-support_rad,
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"arcleft", support_rad, 90,
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"move", support_width,
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"arcleft", support_rad, 90-support_ang,
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"untilx", tamper_base_d/2,
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"arcright", tamper_divot_r, 180-support_ang*2,
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"left", 90-support_ang,
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"untily", h-tamper_base_h, // Tamper ring holder base.
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"right", 90,
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"untilx", tamper_ring_d/2,
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"left", 90,
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"move", tamper_ring_width,
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"left", tamper_ring_ang,
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"untilx", threadbase_d/2,
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"right", tamper_ring_ang,
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"untily", h-lip_h-lip_leadin_r, // Lip base.
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"arcright", lip_leadin_r, 90,
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"untilx", lip_d/2,
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"left", 90,
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"untily", h-lip_recess_h,
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"left", 90,
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"untilx", lip_recess_d/2,
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"right", 90,
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"untily", h-lip_roundover_r,
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"arcleft", lip_roundover_r, 90,
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"untilx", inner_d/2
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]
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));
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}
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up(h-lip_h) {
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difference() {
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thread_helix(
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base_d=threadbase_d-0.1,
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pitch=thread_pitch,
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thread_depth=thread_h+0.1,
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thread_angle=thread_angle,
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twist=650,
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higbee=75,
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anchor=TOP
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);
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zrot_copies(rots=[90,270]) {
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zrot_copies(rots=[-28,28], r=threadbase_d/2) {
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prismoid([20,1.82], [20,1.82+2*sin(29)*thread_h], h=thread_h+0.1, anchor=BOT, orient=RIGHT);
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}
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}
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}
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}
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}
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children();
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}
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}
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// Module: pco1881_cap()
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// Usage:
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// pco1881_cap(wall, [texture]);
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// Description:
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// Creates a basic cap for a PCO1881 threaded beverage bottle.
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// Arguments:
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// wall = Wall thickness in mm.
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// texture = The surface texture of the cap. Valid values are "none", "knurled", or "ribbed". Default: "none"
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// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#anchor). Default: `CENTER`
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// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#spin). Default: `0`
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// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#orient). Default: `UP`
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// Extra Anchors:
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// "inside-top" = Centered on the inside top of the cap.
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// Examples:
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// pco1881_cap();
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// pco1881_cap(texture="knurled");
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// pco1881_cap(texture="ribbed");
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module pco1881_cap(wall=2, texture="none", anchor=BOTTOM, spin=0, orient=UP)
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{
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$fn = segs(33/2);
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w = 28.58 + 2*wall;
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h = 11.2 + wall;
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anchors = [
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anchorpt("inside-top", [0,0,-(h/2-wall)])
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];
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attachable(anchor,spin,orient, d=w, l=h, anchors=anchors) {
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down(h/2) zrot(45) {
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difference() {
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union() {
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if (texture == "knurled") {
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knurled_cylinder(d=w, helix=45, l=11.2+wall, anchor=BOTTOM);
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cyl(d=w-1.5, l=11.2+wall, anchor=BOTTOM);
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} else if (texture == "ribbed") {
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zrot_copies(n=30, r=(w-1)/2) {
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cube([1, 1, 11.2+wall], anchor=BOTTOM);
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}
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cyl(d=w-1, l=11.2+wall, anchor=BOTTOM);
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} else {
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cyl(d=w, l=11.2+wall, anchor=BOTTOM);
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}
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}
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up(wall) cyl(d=28.58, h=11.2+wall, anchor=BOTTOM);
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}
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up(wall+2) thread_helix(base_d=25.5, pitch=2.7, thread_depth=1.6, thread_angle=15, twist=650, higbee=45, internal=true, anchor=BOTTOM);
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}
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children();
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}
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}
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// vim: expandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap
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