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doc fixes, allow threads=true with screw specs

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This commit is contained in:
Adrian Mariano
2023-02-06 18:31:01 -05:00
parent f9b06bf8f6
commit 2d35733980
3 changed files with 12 additions and 10 deletions
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12
screws.scad
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@@ -470,7 +470,7 @@ function _get_spec(spec, needtype, origin, thread, // common parameters
: nut_info(name,_origin=origin, thread=thread, shape=shape, thickness=thickness))
:
assert(in_list(struct_val(spec,"type"), ["nut_info","screw_info"]), "Screw/nut spec is invalid struct type")
assert(is_undef(thread) || thread=="none" || thread==false || is_num(thread),
assert(is_undef(thread) || thread=="none" || thread==false || thread==true || is_num(thread),
str("Thread type applied to struct specification must be numeric, \"none\" or false but got ",thread))
assert(is_undef(thickness) || is_num(thickness), str("thickness applied to struct specification must be numeric but is ",thickness))
assert(is_undef(head) || head=="none", str("The only head type allowed with struct specifications is \"none\" but got ",head))
@@ -483,7 +483,7 @@ function _get_spec(spec, needtype, origin, thread, // common parameters
if (head=="none") ["head","none"],
if (head=="none") ["drive","none"],
if (thread==false || thread=="none") ["pitch",0]
else ["pitch",thread],
else if (thread!=true) ["pitch",thread],
["thickness", thickness],
], grow=false)
)
@@ -738,8 +738,8 @@ module screw(spec, head, drive, thread, drive_size,
// thread = thread type or specification for threaded masks, or false to make an unthreaded mask. See [screw pitch](#subsection-standard-screw-pitch). Default: false
// teardrop = if true produce teardrop hole. Only compatible with clearance holes, not threaded. Default: false
// oversize = amount to increase diameter of all screw parts, a scalar or length 3 vector. Default: 0
// oversize_hole = amount to increase diameter of the hole.
// oversize_head = amount to increase diameter of head.
// hole_oversize = amount to increase diameter of the hole.
// head_oversize = amount to increase diameter of head.
// length / l= length of screw (in mm)
// counterbore = set to length of counterbore, or true to make a counterbore equal to head height. Default: false for flat heads and headless, true otherwise
// tolerance = threading or clearance hole tolerance. For internal threads, detrmines actual thread geometry based on nominal sizing. See [tolerance](#subsection-tolerance). Default is "2B" for UTS and 6H for ISO. For clearance holes, determines how much clearance to add. Default is "normal".
@@ -810,6 +810,8 @@ module screw_hole(spec, head, thread, oversize, hole_oversize, head_oversize,
if (threaded || is_def(oversize) || is_def(hole_oversize) || tolerance==0 || tolerance=="none") {
undersize = is_def(oversize) ? -oversize
: -[default(hole_oversize,0), default(head_oversize,0)];
echo_struct(spec);
fdsa= echo(undersize=undersize);
default_tag("remove")
screw(spec,head=head,thread=thread,undersize=undersize, higbee=higbee,
length=length,l=l,thread_len=thread_len, tolerance=tolerance, _counterbore=counterbore,
@@ -1775,7 +1777,7 @@ module nut_trap_inline(length, spec, shape, l, height, h, nutwidth, anchor, orie
// ---
// thread = thread type or specification. See [screw pitch](#subsection-standard-screw-pitch). Default: "coarse"
// drive_size = size of drive recess to override computed value
// oversize = amount to increase screw diameter for clearance holes. Default: 0
// threads_oversize = amount to increase screw diameter for clearance holes. Default: 0
// head_oversize = amount to increase head diameter for countersink holes. Default: 0
function screw_info(name, head, drive, thread, drive_size, threads_oversize=0, head_oversize=0, _origin) =