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fix threading issues

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Adrian Mariano 2022-12-01 19:28:24 -05:00
parent 24e65d2a0f
commit c16d2823c3
2 changed files with 13 additions and 4 deletions
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15
screws.scad
View file

@ -207,8 +207,8 @@ Torx values: https://www.stanleyengineeredfastening.com/-/media/web/sef/resourc
// Figure(2D,Med,VPD = 140, VPT = [18.4209, 14.9821, -3.59741], VPR = [0, 0, 0],NoAxes): // Figure(2D,Med,VPD = 140, VPT = [18.4209, 14.9821, -3.59741], VPR = [0, 0, 0],NoAxes):
// rpos=33; // rpos=33;
// fsize=2.5; // fsize=2.5;
// projection(cut=true) xrot(-90)screw("M8", head="socket", length=25, thread_len=10); // projection(cut=true) xrot(-90)screw("M8", head="socket", length=25, thread_len=10,anchor=BOT);
// right(rpos)projection(cut=true) xrot(-90)screw("M8", head="flat", length=25, thread_len=10); // right(rpos)projection(cut=true) xrot(-90)screw("M8", head="flat", length=25, thread_len=10,anchor=BOT);
// color("black"){ // color("black"){
// stroke([[5,0],[5,10]],endcaps="arrow2",width=.3); // stroke([[5,0],[5,10]],endcaps="arrow2",width=.3);
// back(5)right(6)text("threads",size=fsize,anchor=LEFT); // back(5)right(6)text("threads",size=fsize,anchor=LEFT);
@ -241,6 +241,10 @@ Torx values: https://www.stanleyengineeredfastening.com/-/media/web/sef/resourc
// undersize = amount to decrease screw diameter, a scalar to apply to all parts, or a 2-vector to control shaft and head. Default: 0 // undersize = amount to decrease screw diameter, a scalar to apply to all parts, or a 2-vector to control shaft and head. Default: 0
// undersize_shaft = amount to decrease diameter of the shaft of screw // undersize_shaft = amount to decrease diameter of the shaft of screw
// undersize_head = amount to decrease the head diameter of the screw // undersize_head = amount to decrease the head diameter of the screw
// bevel1 = bevel bottom end of screw. Default: true
// bevel2 = bevel top end of threaded section. Default: true for headless, false otherwise
// bevel = bevel both ends of the threaded section.
// higbee = if true create blunt start threads at both ends for headless screws, and bottom only for other screws. Default: false
// atype = anchor type, one of "screw", "head", "shaft", "threads", "shank" // atype = anchor type, one of "screw", "head", "shaft", "threads", "shank"
// anchor = Translate so anchor point on the shaft is at origin (0,0,0). See [anchor](attachments.scad#subsection-anchor). Default: `CENTER` // anchor = Translate so anchor point on the shaft is at origin (0,0,0). See [anchor](attachments.scad#subsection-anchor). Default: `CENTER`
// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#subsection-spin). Default: `0` // spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#subsection-spin). Default: `0`
@ -503,7 +507,9 @@ function screw(spec, head, drive, thread, drive_size,
length, l, thread_len, tolerance, details=true, length, l, thread_len, tolerance, details=true,
undersize, shaft_undersize, head_undersize, undersize, shaft_undersize, head_undersize,
atype="screw",anchor=BOTTOM, spin=0, orient=UP, atype="screw",anchor=BOTTOM, spin=0, orient=UP,
_shoulder_diam=0, _shoulder_len=0, _shoulder_diam=0, _shoulder_len=0,
bevel,bevel1,bevel2,bevelsize,
higbee=false,
_internal=false, _counterbore, _teardrop) = no_function("screw"); _internal=false, _counterbore, _teardrop) = no_function("screw");
module screw(spec, head, drive, thread, drive_size, module screw(spec, head, drive, thread, drive_size,
@ -512,6 +518,7 @@ module screw(spec, head, drive, thread, drive_size,
atype="screw",anchor, spin=0, orient=UP, atype="screw",anchor, spin=0, orient=UP,
_shoulder_diam=0, _shoulder_len=0, _shoulder_diam=0, _shoulder_len=0,
bevel,bevel1,bevel2,bevelsize, bevel,bevel1,bevel2,bevelsize,
higbee,
_internal=false, _counterbore, _teardrop=false) _internal=false, _counterbore, _teardrop=false)
{ {
tempspec = _get_spec(spec, "screw_info", _internal ? "screw_hole" : "screw", tempspec = _get_spec(spec, "screw_info", _internal ? "screw_hole" : "screw",
@ -674,6 +681,8 @@ module screw(spec, head, drive, thread, drive_size,
l=thread_len+eps_thread, left_handed=false, internal=_internal, l=thread_len+eps_thread, left_handed=false, internal=_internal,
bevel1=bev1, bevel1=bev1,
bevel2=bev2, bevel2=bev2,
higbee1=higbee,
higbee2=!headless || is_undef(higbee) ? false : higbee,
$fn=sides, anchor=TOP); $fn=sides, anchor=TOP);
} }

2
threading.scad
View file

@ -1172,7 +1172,7 @@ module generic_threaded_rod(
thigbee2 = first_defined([higbee2,higbee,false]); thigbee2 = first_defined([higbee2,higbee,false]);
// Zero higbee should be treated as "true", default angle, but it tests as false so adjust // Zero higbee should be treated as "true", default angle, but it tests as false so adjust
higbee1 = thigbee1==0 ? true : thigbee1; higbee1 = thigbee1==0 ? true : thigbee1;
higbee2 = thigbee2==0 ? true : thigbee1; higbee2 = thigbee2==0 ? true : thigbee2;
dummy0 = dummy0 =
assert(all_positive([pitch]),"Thread pitch must be a positive value") assert(all_positive([pitch]),"Thread pitch must be a positive value")
assert(all_positive([l]),"Length must be a postive value") assert(all_positive([l]),"Length must be a postive value")