grey/BOSL2
1
0
Fork 0
mirror of https://github.com/BelfrySCAD/BOSL2.git synced 2024-12-29 16:29:40 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Tweaked threading library file.

Browse source
This commit is contained in:
Revar Desmera 2018-11-11 23:39:58 -08:00
parent de048095fd
commit 49913492da
2 changed files with 37 additions and 63 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

47
acme_screws.scad
View file

@ -34,51 +34,4 @@ include <threading.scad>
// Constructs an ACME trapezoidal threaded screw rod. This method makes
// much smoother threads than the naive linear_extrude method.
// d = Outer diameter of threaded rod.
// l = length of threaded rod.
// pitch = Length between threads.
// thread_depth = Depth of the threads. Default = pitch/2
// 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
// 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) {
trapezoidal_threaded_rod(
d=d, l=l, pitch=pitch,
thread_angle=thread_angle,
thread_depth=thread_depth,
starts=starts,
left_handed=left_handed
);
}
// Constructs a hex nut for an ACME threaded screw rod. This method makes
// much smoother threads than the naive linear_extrude method.
// od = diameter of the nut.
// id = diameter of threaded rod to screw onto.
// h = height/thickness of nut.
// pitch = Length between threads.
// 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
// 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) {
trapezoidal_threaded_nut(
od=od, id=id, h=h, pitch=pitch,
thread_depth=thread_depth,
thread_angle=thread_angle,
left_handed=left_handed,
slop=slop
);
}
// vim: noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap

53
threading.scad
View file

@ -40,7 +40,7 @@ function _trpzd_thread_pt(thread, threads, start, starts, astep, asteps, part, p
// Constructs a generic trapezoidal threaded screw rod. This method makes
// much smoother threads than the naive linear_extrude method.
// For trapezoidal metric threads, use thread_angle=15 and thread_depth=pitch/2.
// For metric trapezoidal threads, use thread_angle=15 and thread_depth=pitch/2.
// For ACME threads, use thread_angle=14.5 and thread_depth=pitch/2.
// For square threads, use thread_angle=0 and thread_depth=pitch/2.
// For normal screw threads, use thread_angle=30 and thread_depth=pitch*3*sqrt(3)/8.
@ -64,7 +64,7 @@ module trapezoidal_threaded_rod(
d=10,
l=100,
pitch=2,
thread_angle=14.5,
thread_angle=15,
thread_depth=undef,
left_handed=false,
starts=1
@ -211,7 +211,7 @@ module trapezoidal_threaded_rod(
// much smoother threads than the naive linear_extrude method.
// For metric screw threads, use thread_angle=30 and leave out thread_depth argument.
// For SAE screw threads, use thread_angle=30 and leave out thread_depth argument.
// For trapezoidal metric threads, use thread_angle=15 and thread_depth=pitch/2.
// For metric trapezoidal threads, use thread_angle=15 and thread_depth=pitch/2.
// For ACME threads, use thread_angle=14.5 and thread_depth=pitch/2.
// For square threads, use thread_angle=0 and thread_depth=pitch/2.
// od = diameter of the nut.
@ -228,11 +228,11 @@ module trapezoidal_threaded_rod(
// trapezoidal_threaded_nut(od=17.4, id=10, h=10, pitch=2, slop=0.2, left_handed=true);
module trapezoidal_threaded_nut(
od=17.4,
id=10.5,
id=10,
h=10,
pitch=3.175,
pitch=2,
thread_depth=undef,
thread_angle=30,
thread_angle=15,
left_handed=false,
starts=1,
slop=0.2
@ -285,22 +285,23 @@ module threaded_nut(od=17.4, id=10.5, h=10, pitch=3.175, left_handed=false, slop
// Constructs a trapezoidal metric threaded screw rod. This method makes much
// Constructs a metric trapezoidal threaded screw rod. This method makes much
// smoother threads than the naive linear_extrude method.
// d = Outer diameter of threaded rod.
// l = length of threaded rod.
// pitch = Length between threads.
// left_handed = if true, create left-handed threads. 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) {
trapezoidal_threaded_rod(d=d, l=l, pitch=pitch, thread_angle=15, left_handed=left_handed);
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);
}
// Constructs a hex nut for a trapezoidal metric threaded screw rod. This method
// Constructs a hex nut for a metric trapezoidal threaded screw rod. This method
// makes much smoother threads than the naive linear_extrude method.
// od = diameter of the nut.
// id = diameter of threaded rod to screw onto.
@ -329,7 +330,13 @@ module metric_trapezoidal_threaded_nut(od=17.4, id=10.5, h=10, pitch=3.175, left
// 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) {
trapezoidal_threaded_rod(d=d, l=l, pitch=pitch, thread_angle=thread_angle, thread_depth=thread_depth, starts=starts, left_handed=left_handed);
trapezoidal_threaded_rod(
d=d, l=l, pitch=pitch,
thread_angle=thread_angle,
thread_depth=thread_depth,
starts=starts,
left_handed=left_handed
);
}
@ -347,7 +354,13 @@ module acme_threaded_rod(d=10, l=100, pitch=2, thread_angle=14.5, thread_depth=u
// 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) {
trapezoidal_threaded_nut(od=od, id=id, h=h, pitch=pitch, thread_depth=thread_depth, thread_angle=thread_angle, left_handed=left_handed, slop=slop);
trapezoidal_threaded_nut(
od=od, id=id, h=h, pitch=pitch,
thread_depth=thread_depth,
thread_angle=thread_angle,
left_handed=left_handed,
slop=slop
);
}
@ -358,10 +371,11 @@ 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
// 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) {
trapezoidal_threaded_rod(d=d, l=l, pitch=pitch, thread_angle=0, left_handed=left_handed);
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);
}
@ -373,11 +387,18 @@ module square_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
// 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, slop=0.2) {
trapezoidal_threaded_nut(od=od, id=id, h=h, pitch=pitch, thread_angle=0, left_handed=left_handed, slop=slop);
module square_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=0,
left_handed=left_handed,
starts=starts,
slop=slop
);
}