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Added bevel option to threaded rods and nuts.

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Revar Desmera 2019-01-30 20:59:18 -08:00
parent 1576db5843
commit 2d83632490
1 changed files with 69 additions and 26 deletions
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95
threading.scad
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@ -50,6 +50,7 @@ function _trpzd_thread_pt(thread, threads, start, starts, astep, asteps, part, p
// thread_depth = Depth of the threads. Default=pitch/2
// thread_angle = The pressure angle profile angle of the threads. Default = 14.5 degree ACME profile.
// left_handed = If true, create left-handed threads. Default = false
// bevel = if true, bevel the thread ends. Default: true
// starts = The number of lead starts. Default = 1
// Examples:
// trapezoidal_threaded_rod(d=10, l=100, pitch=2, thread_angle=15, $fn=32);
@ -58,8 +59,9 @@ function _trpzd_thread_pt(thread, threads, start, starts, astep, asteps, part, p
// trapezoidal_threaded_rod(d=60, l=16, pitch=8, thread_depth=3, thread_angle=45, left_handed=true, starts=4, $fa=2, $fs=2);
// trapezoidal_threaded_rod(d=16, l=40, pitch=2, thread_angle=30);
// trapezoidal_threaded_rod(d=10, l=40, pitch=3, thread_angle=15, left_handed=true, starts=3, $fn=36);
// trapezoidal_threaded_rod(d=50, l=50, pitch=8, thread_angle=30, starts=4, $fa=2, $fs=2);
// trapezoidal_threaded_rod(d=25, l=100, pitch=10, thread_depth=8/3, thread_angle=50, starts=4, center=false, $fa=2, $fs=2);
// trapezoidal_threaded_rod(d=50, l=75, pitch=8, thread_angle=30, starts=3);
// trapezoidal_threaded_rod(l=25, d=10, pitch=2, thread_angle=15, starts=3, $fa=1, $fs=1);
module trapezoidal_threaded_rod(
d=10,
l=100,
@ -67,6 +69,7 @@ module trapezoidal_threaded_rod(
thread_angle=15,
thread_depth=undef,
left_handed=false,
bevel=false,
center=true,
starts=1
) {
@ -202,9 +205,19 @@ module trapezoidal_threaded_rod(
]
);
up(center? 0 : l/2) {
intersection() {
difference() {
polyhedron(points=poly_points, faces=poly_faces, convexity=threads*starts*2);
cube([d+1, d+1, l], center=true);
zspread(1.5*l) cube([d+1, d+1, l/2], center=true);
if (bevel) {
zflip_copy() {
down(l/2+0.01) {
difference() {
up(depth/2-0.01) cube([d*2, d*2, depth+0.01], center=true);
cylinder(r1=d/2-depth, r2=d/2, h=depth+0.01, center=false);
}
}
}
}
}
}
}
@ -226,9 +239,11 @@ module trapezoidal_threaded_rod(
// left_handed = if true, create left-handed threads. Default = false
// starts = The number of lead starts. Default = 1
// slop = printer slop calibration to allow for tight fitting of parts. default=0.2
// bevel = if true, bevel the thread ends. Default: true
// Examples:
// trapezoidal_threaded_nut(od=16, id=8, h=8, pitch=2, slop=0.2);
// trapezoidal_threaded_nut(od=17.4, id=10, h=10, pitch=2, slop=0.2, left_handed=true);
// trapezoidal_threaded_nut(od=17.4, id=10, h=10, pitch=2, thread_angle=15, starts=3, $fa=1, $fs=1);
module trapezoidal_threaded_nut(
od=17.4,
id=10,
@ -238,21 +253,30 @@ module trapezoidal_threaded_nut(
thread_angle=15,
left_handed=false,
starts=1,
bevel=true,
slop=0.2
) {
depth = min((thread_depth==undef? pitch/2 : thread_depth), pitch/2/tan(thread_angle));
difference() {
cylinder(r=od/2/cos(30), h=h, center=true, $fn=6);
zspread(slop, n=slop>0?2:1) {
trapezoidal_threaded_rod(
d=id+2*slop,
l=h+0.1,
l=h+1,
pitch=pitch,
thread_depth=thread_depth,
thread_depth=depth,
thread_angle=thread_angle,
left_handed=left_handed,
starts=starts
);
}
if (bevel) {
zflip_copy() {
down(h/2+0.01) {
cylinder(r1=id/2+slop, r2=id/2+slop-depth, h=depth, center=false);
}
}
}
}
}
@ -264,10 +288,17 @@ module trapezoidal_threaded_nut(
// l = length of threaded rod.
// pitch = Length between threads.
// left_handed = if true, create left-handed threads. Default = false
// bevel = if true, bevel the thread ends. Default: false
// Examples:
// threaded_rod(d=16, l=40, pitch=2, thread_angle=30);
module threaded_rod(d=10, l=100, pitch=2, left_handed=false) {
trapezoidal_threaded_rod(d=d, l=l, pitch=pitch, thread_depth=pitch*3*sqrt(3)/8, thread_angle=30, left_handed=left_handed);
// threaded_rod(d=10, l=30, pitch=1.25, left_handed=true, $fa=1, $fs=1);
module threaded_rod(d=10, l=100, pitch=2, left_handed=false, bevel=false) {
trapezoidal_threaded_rod(
d=d, l=l, pitch=pitch,
thread_depth=pitch*3*sqrt(3)/8,
thread_angle=30,
left_handed=left_handed,
bevel=bevel
);
}
@ -279,11 +310,12 @@ module threaded_rod(d=10, l=100, pitch=2, left_handed=false) {
// h = height/thickness of nut.
// pitch = Length between threads.
// left_handed = if true, create left-handed threads. Default = false
// bevel = if true, bevel the thread ends. Default: false
// slop = printer slop calibration to allow for tight fitting of parts. default=0.2
// Examples:
// threaded_nut(od=16, id=8, h=8, pitch=2, slop=0.2);
module threaded_nut(od=17.4, id=10.5, h=10, pitch=3.175, left_handed=false, slop=0.2) {
trapezoidal_threaded_nut(od=od, id=id, h=h, pitch=pitch, thread_angle=30, thread_depth=pitch*3*sqrt(3)/8, left_handed=left_handed, slop=slop);
// threaded_nut(od=16, id=8, l=8, pitch=1.25, left_handed=true, slop=0.2, $fa=1, $fs=1);
module threaded_nut(od=16, id=10, h=10, pitch=2, left_handed=false, bevel=false, slop=0.2) {
trapezoidal_threaded_nut(od=od, id=id, h=h, pitch=pitch, thread_angle=30, thread_depth=pitch*3*sqrt(3)/8, left_handed=left_handed, bevel=bevel, slop=slop);
}
@ -294,12 +326,12 @@ module threaded_nut(od=17.4, id=10.5, h=10, pitch=3.175, left_handed=false, slop
// l = length of threaded rod.
// pitch = Length between threads.
// left_handed = if true, create left-handed threads. Default = false
// bevel = if true, bevel the thread ends. Default: false
// starts = The number of lead starts. Default = 1
// Examples:
// metric_trapezoidal_threaded_rod(d=16, l=40, pitch=2);
// metric_trapezoidal_threaded_rod(d=10, l=40, pitch=2, left_handed=true, $fn=32);
module metric_trapezoidal_threaded_rod(d=10, l=100, pitch=2, left_handed=false, starts=1) {
trapezoidal_threaded_rod(d=d, l=l, pitch=pitch, thread_angle=15, left_handed=left_handed, starts=starts);
// metric_trapezoidal_threaded_rod(d=10, l=30, pitch=2, left_handed=true, $fa=1, $fs=1);
module metric_trapezoidal_threaded_rod(d=10, l=100, pitch=2, left_handed=false, starts=1, bevel=false) {
trapezoidal_threaded_rod(d=d, l=l, pitch=pitch, thread_angle=15, left_handed=left_handed, starts=starts, bevel=bevel);
}
@ -311,12 +343,13 @@ module metric_trapezoidal_threaded_rod(d=10, l=100, pitch=2, left_handed=false,
// h = height/thickness of nut.
// pitch = Length between threads.
// left_handed = if true, create left-handed threads. Default = false
// bevel = if true, bevel the thread ends. Default: false
// starts = The number of lead starts. Default = 1
// slop = printer slop calibration to allow for tight fitting of parts. default=0.2
// Examples:
// metric_trapezoidal_threaded_nut(od=16, id=8, h=8, pitch=2, slop=0.2);
module metric_trapezoidal_threaded_nut(od=17.4, id=10.5, h=10, pitch=3.175, left_handed=false, starts=1, slop=0.2) {
trapezoidal_threaded_nut(od=od, id=id, h=h, pitch=pitch, thread_angle=15, left_handed=left_handed, starts=starts, slop=slop);
// metric_trapezoidal_threaded_nut(od=16, d=10, h=10, pitch=2, left_handed=true, bevel=true, $fa=1, $fs=1);
module metric_trapezoidal_threaded_nut(od=17.4, id=10.5, h=10, pitch=3.175, left_handed=false, starts=1, bevel=false, slop=0.2) {
trapezoidal_threaded_nut(od=od, id=id, h=h, pitch=pitch, thread_angle=15, left_handed=left_handed, starts=starts, bevel=bevel, slop=slop);
}
@ -330,15 +363,18 @@ module metric_trapezoidal_threaded_nut(od=17.4, id=10.5, h=10, pitch=3.175, left
// thread_angle = The pressure angle profile angle of the threads. Default = 14.5 degrees
// starts = The number of lead starts. Default = 1
// left_handed = if true, create left-handed threads. Default = false
// bevel = if true, bevel the thread ends. Default: false
// Examples:
// acme_threaded_rod(d=3/8*25.4, l=20, pitch=1/8*25.4, $fn=32);
module acme_threaded_rod(d=10, l=100, pitch=2, thread_angle=14.5, thread_depth=undef, starts=1, left_handed=false) {
// acme_threaded_rod(d=10, l=40, pitch=2, starts=3, $fa=1, $fs=1);
module acme_threaded_rod(d=10, l=100, pitch=2, thread_angle=14.5, thread_depth=undef, starts=1, left_handed=false, bevel=false) {
trapezoidal_threaded_rod(
d=d, l=l, pitch=pitch,
thread_angle=thread_angle,
thread_depth=thread_depth,
starts=starts,
left_handed=left_handed
left_handed=left_handed,
bevel=bevel
);
}
@ -353,15 +389,19 @@ module acme_threaded_rod(d=10, l=100, pitch=2, thread_angle=14.5, thread_depth=u
// thread_depth = Depth of the threads. Default=pitch/2
// thread_angle = The pressure angle profile angle of the threads. Default = 14.5 degree ACME profile.
// left_handed = if true, create left-handed threads. Default = false
// bevel = if true, bevel the thread ends. Default: false
// slop = printer slop calibration to allow for tight fitting of parts. default=0.2
// Examples:
// acme_threaded_nut(od=16, id=3/8*25.4, h=8, pitch=1/8*25.4, slop=0.2);
module acme_threaded_nut(od, id, h, pitch, thread_angle=14.5, thread_depth=undef, left_handed=false, slop=0.2) {
// acme_threaded_nut(od=16, id=10, h=10, pitch=2, starts=3, slop=0.2, $fa=1, $fs=1);
module acme_threaded_nut(od, id, h, pitch, thread_angle=14.5, thread_depth=undef, starts=1, left_handed=false, bevel=false, slop=0.2) {
trapezoidal_threaded_nut(
od=od, id=id, h=h, pitch=pitch,
thread_depth=thread_depth,
thread_angle=thread_angle,
left_handed=left_handed,
bevel=bevel,
starts=starts,
slop=slop
);
}
@ -374,11 +414,12 @@ module acme_threaded_nut(od, id, h, pitch, thread_angle=14.5, thread_depth=undef
// l = length of threaded rod.
// pitch = Length between threads.
// left_handed = if true, create left-handed threads. Default = false
// bevel = if true, bevel the thread ends. Default: false
// starts = The number of lead starts. Default = 1
// Examples:
// square_threaded_rod(d=16, l=40, pitch=2, thread_angle=30);
module square_threaded_rod(d=10, l=100, pitch=2, left_handed=false, starts=1) {
trapezoidal_threaded_rod(d=d, l=l, pitch=pitch, thread_angle=0, left_handed=left_handed, starts=starts);
// square_threaded_rod(d=10, l=30, pitch=2, starts=2, $fn=32);
module square_threaded_rod(d=10, l=100, pitch=2, left_handed=false, bevel=false, starts=1) {
trapezoidal_threaded_rod(d=d, l=l, pitch=pitch, thread_angle=0, left_handed=left_handed, bevel=bevel, starts=starts);
}
@ -390,15 +431,17 @@ module square_threaded_rod(d=10, l=100, pitch=2, left_handed=false, starts=1) {
// h = height/thickness of nut.
// pitch = Length between threads.
// left_handed = if true, create left-handed threads. Default = false
// bevel = if true, bevel the thread ends. Default: false
// starts = The number of lead starts. Default = 1
// slop = printer slop calibration to allow for tight fitting of parts. default=0.2
// Examples:
// square_threaded_nut(od=16, id=8, h=8, pitch=2, slop=0.2);
module square_threaded_nut(od=17.4, id=10.5, h=10, pitch=3.175, left_handed=false, starts=1, slop=0.2) {
// square_threaded_nut(od=16, id=10, h=10, pitch=2, starts=2, slop=0.15, $fn=32);
module square_threaded_nut(od=17.4, id=10.5, h=10, pitch=3.175, left_handed=false, bevel=false, starts=1, slop=0.2) {
trapezoidal_threaded_nut(
od=od, id=id, h=h, pitch=pitch,
thread_angle=0,
left_handed=left_handed,
bevel=bevel,
starts=starts,
slop=slop
);