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https://github.com/BelfrySCAD/BOSL2.git
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attachability for torx, roberson, screw_head
This commit is contained in:
Adrian Mariano
parent
74fca586d7
commit
391a7078b6
2 changed files with 102 additions and 83 deletions
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@ -168,7 +168,7 @@ function hex_drive_mask(size,length,l,h,height,anchor,spin,orient) = no_function
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// See Also: phillips_mask(), hex_drive_mask(), torx_mask(), phillips_depth(), phillips_diam(), robertson_mask()
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// Usage:
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// torx_mask(size, l, [center]) [ATTACHMENTS];
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// Description: Creates a torx bit tip.
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// Description: Creates a torx bit tip. The anchors are located on the circumscribing cylinder. See {{torx_info()}} for allowed sizes.
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// Arguments:
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// size = Torx size.
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// l = Length of bit.
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@ -191,7 +191,6 @@ module torx_mask(size, l=5, center, anchor, spin=0, orient=UP) {
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}
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// Module: torx_mask2d()
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// Synopsis: Creates the 2D cross section for a torx drive recess.
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// SynTags: Geom
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@ -199,13 +198,12 @@ module torx_mask(size, l=5, center, anchor, spin=0, orient=UP) {
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// See Also: phillips_mask(), hex_drive_mask(), torx_mask(), phillips_depth(), phillips_diam(), torx_info(), robertson_mask()
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// Usage:
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// torx_mask2d(size);
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// Description: Creates a torx bit 2D profile.
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// Description: Creates a torx bit 2D profile. The anchors are located on the circumscribing circle. See {{torx_info()}} for allowed sizes.
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// Arguments:
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// size = Torx size.
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// Example(2D):
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// torx_mask2d(size=30, $fa=1, $fs=1);
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module torx_mask2d(size) {
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no_children($children);
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module torx_mask2d(size,anchor=CENTER,spin) {
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info = torx_info(size);
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od = info[0];
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id = info[1];
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@ -213,26 +211,29 @@ module torx_mask2d(size) {
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rounding = info[4];
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base = od - 2*tip;
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$fn = quantup(segs(od/2),12);
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difference() {
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union() {
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circle(d=base);
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zrot_copies(n=2) {
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hull() {
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zrot_copies(n=3) {
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translate([base/2,0,0]) {
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circle(r=tip, $fn=$fn/2);
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attachable(anchor,spin,two_d=true,d=od){
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difference() {
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union() {
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circle(d=base);
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zrot_copies(n=2) {
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hull() {
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zrot_copies(n=3) {
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translate([base/2,0,0]) {
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circle(r=tip, $fn=$fn/2);
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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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zrot_copies(n=6) {
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zrot(180/6) {
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translate([id/2+rounding,0,0]) {
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circle(r=rounding);
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zrot_copies(n=6) {
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zrot(180/6) {
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translate([id/2+rounding,0,0]) {
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circle(r=rounding);
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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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@ -251,6 +252,10 @@ module torx_mask2d(size) {
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// - Drive Hole Depth
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// - External Tip Rounding Radius
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// - Inner Rounding Radius
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// .
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// The allowed torx sizes are:
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// 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 20, 25, 27, 30, 40, 45, 50, 55,
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// 60, 70, 80, 90, 100.
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// Arguments:
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// size = Torx size.
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function torx_info(size) =
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@ -333,6 +338,11 @@ function torx_depth(size) = torx_info(size)[2];
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// ang = taper angle of each face. Default: 2.5
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// ---
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// $slop = enlarge recess by this twice amount. Default: 0
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// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#subsection-anchor). Default: TOP
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// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#subsection-spin). Default: `0`
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// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#subsection-orient). Default: `UP`
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// Side Effects:
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// Sets tag to "remove" if no tag is set.
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// Example:
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// robertson_mask(size=2);
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// Example:
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@ -340,7 +350,7 @@ function torx_depth(size) = torx_info(size)[2];
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// cyl(d1=2, d2=8, h=4, anchor=TOP);
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// robertson_mask(size=2);
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// }
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module robertson_mask(size, extra=1, ang=2.5) {
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module robertson_mask(size, extra=1, ang=2.5,anchor=TOP,spin,orient) {
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dummy=assert(is_int(size) && size>=0 && size<=4);
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Mmin = [0.0696, 0.0900, 0.1110, 0.1315, 0.1895][size];
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Mmax = [0.0710, 0.0910, 0.1126, 0.1330, 0.1910][size];
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@ -353,14 +363,18 @@ module robertson_mask(size, extra=1, ang=2.5) {
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F = (Fmin + Fmax) / 2 * INCH;
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h = T + extra;
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Mslop=M+2*get_slop();
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down(T) {
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intersection(){
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Mtop = Mslop + 2*adj_ang_to_opp(F+extra,ang);
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Mbot = Mslop - 2*adj_ang_to_opp(T-F,ang);
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prismoid([Mbot,Mbot],[Mtop,Mtop],h=h,anchor=BOT);
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cyl(d1=0, d2=Mslop/(T-F)*sqrt(2)*h, h=h, anchor=BOT);
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}
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}
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Mtop = Mslop + 2*adj_ang_to_opp(F+extra,ang);
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Mbot = Mslop - 2*adj_ang_to_opp(T-F,ang);
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anchors = [named_anchor("standard",[0,0,T-h/2], UP, 0)];
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default_tag("remove")
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attachable(anchor,spin,orient,size=[Mbot,Mbot,T],size2=[Mtop,Mtop],anchors=anchors){
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down(T/2)
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intersection(){
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prismoid([Mbot,Mbot],[Mtop,Mtop],h=h,anchor=BOT);
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cyl(d1=0, d2=Mslop/(T-F)*sqrt(2)*h, h=h, anchor=BOT);
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}
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children();
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}
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}
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117
screws.scad
117
screws.scad
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@ -1442,63 +1442,68 @@ module screw_head(screw_info,details=false, counterbore=0,flat_height,teardrop=f
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counterbore = counterbore_temp==0 && head!="flat" ? counterbore_temp : counterbore_temp + 0.01;
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adj_diam = struct_val(screw_info, "diameter") + head_oversize; // Used for determining chamfers and ribbing
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if (head!="flat" && counterbore>0){
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d = head=="hex"? 2*head_size/sqrt(3) : head_size;
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if (teardrop)
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teardrop(d=d, l=counterbore, orient=BACK, anchor=BACK);
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else
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cyl(d=d, l=counterbore, anchor=BOTTOM);
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}
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if (head=="flat") { // For flat head, counterbore is integrated
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angle = struct_val(screw_info, "head_angle")/2;
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sharpsize = struct_val(screw_info, "head_size_sharp")+head_oversize;
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sidewall_height = (sharpsize - head_size)/2 / tan(angle);
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cylheight = counterbore + sidewall_height;
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slopeheight = flat_height - sidewall_height;
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r1 = head_size/2;
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r2 = r1 - tan(angle)*slopeheight;
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n = segs(r1);
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prof1 = teardrop ? teardrop2d(r=r1,$fn=n) : circle(r=r1, $fn=n);
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prof2 = teardrop ? teardrop2d(r=r2,$fn=n) : circle(r=r2, $fn=n);
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skin([prof2,prof1,prof1], z=[-flat_height, -flat_height+slopeheight, counterbore],slices=0);
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}
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if (head!="flat" && counterbore==0) {
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if (in_list(head,["round","pan round","button","fillister","cheese"])) {
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base = head=="fillister" ? 0.75*head_height :
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head=="pan round" ? .6 * head_height :
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head=="cheese" ? .7 * head_height :
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0.1 * head_height; // round and button
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head_size2 = head=="cheese" ? head_size-2*tan(5)*head_height : head_size; // 5 deg slope on cheese head
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segs = segs(head_size);
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cyl(l=base, d1=head_size, d2=head_size2,anchor=BOTTOM, $fn=segs)
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attach(TOP)
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zrot(180) // Needed to align facets when $fn is odd
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rotate_extrude($fn=segs) // ensure same number of segments for cap as for head body
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intersection(){
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arc(points=[[-head_size2/2,0], [0,-base+head_height * (head=="button"?4/3:1)], [head_size2/2,0]]);
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square([head_size2, head_height-base]);
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attachable(){
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union(){
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if (head!="flat" && counterbore>0){
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d = head=="hex"? 2*head_size/sqrt(3) : head_size;
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if (teardrop)
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teardrop(d=d, l=counterbore, orient=BACK, anchor=BACK);
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else
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cyl(d=d, l=counterbore, anchor=BOTTOM);
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}
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if (head=="flat") { // For flat head, counterbore is integrated
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angle = struct_val(screw_info, "head_angle")/2;
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sharpsize = struct_val(screw_info, "head_size_sharp")+head_oversize;
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sidewall_height = (sharpsize - head_size)/2 / tan(angle);
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cylheight = counterbore + sidewall_height;
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slopeheight = flat_height - sidewall_height;
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r1 = head_size/2;
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r2 = r1 - tan(angle)*slopeheight;
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n = segs(r1);
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prof1 = teardrop ? teardrop2d(r=r1,$fn=n) : circle(r=r1, $fn=n);
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prof2 = teardrop ? teardrop2d(r=r2,$fn=n) : circle(r=r2, $fn=n);
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skin([prof2,prof1,prof1], z=[-flat_height, -flat_height+slopeheight, counterbore],slices=0);
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}
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if (head!="flat" && counterbore==0) {
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if (in_list(head,["round","pan round","button","fillister","cheese"])) {
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base = head=="fillister" ? 0.75*head_height :
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head=="pan round" ? .6 * head_height :
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head=="cheese" ? .7 * head_height :
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0.1 * head_height; // round and button
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head_size2 = head=="cheese" ? head_size-2*tan(5)*head_height : head_size; // 5 deg slope on cheese head
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segs = segs(head_size);
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cyl(l=base, d1=head_size, d2=head_size2,anchor=BOTTOM, $fn=segs)
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attach(TOP)
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zrot(180) // Needed to align facets when $fn is odd
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rotate_extrude($fn=segs) // ensure same number of segments for cap as for head body
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intersection(){
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arc(points=[[-head_size2/2,0], [0,-base+head_height * (head=="button"?4/3:1)], [head_size2/2,0]]);
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square([head_size2, head_height-base]);
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}
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}
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if (head=="pan flat")
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cyl(l=head_height, d=head_size, rounding2=0.2*head_size, anchor=BOTTOM);
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if (head=="socket")
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cyl(l=head_height, d=head_size, anchor=BOTTOM, chamfer2=details? adj_diam/10:undef);
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if (head=="socket ribbed"){
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// These numbers are based on ISO specifications that dictate how much oversizsed a ribbed socket head can be
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// We are making our ribbed heads the same size as unribbed (by cutting the ribbing away), but these numbers are presumably a good guide
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rib_size = [[2, .09],
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[3, .09],
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[6, .11],
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[12, .135],
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[20, .165]];
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intersection() {
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cyl(h=head_height/4, d=head_size, anchor=BOT)
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attach(TOP) cyl(l=head_height*3/4, d=head_size, anchor=BOT, texture="trunc_ribs", tex_counts=[31,1], tex_scale=-lookup(adj_diam,rib_size));
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cyl(h=head_height,d=head_size, chamfer2=adj_diam/10, anchor=BOT);
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}
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}
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if (head=="pan flat")
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cyl(l=head_height, d=head_size, rounding2=0.2*head_size, anchor=BOTTOM);
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if (head=="socket")
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cyl(l=head_height, d=head_size, anchor=BOTTOM, chamfer2=details? adj_diam/10:undef);
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if (head=="socket ribbed"){
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// These numbers are based on ISO specifications that dictate how much oversizsed a ribbed socket head can be
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// We are making our ribbed heads the same size as unribbed (by cutting the ribbing away), but these numbers are presumably a good guide
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rib_size = [[2, .09],
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[3, .09],
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[6, .11],
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[12, .135],
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[20, .165]];
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intersection() {
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cyl(h=head_height/4, d=head_size, anchor=BOT)
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attach(TOP) cyl(l=head_height*3/4, d=head_size, anchor=BOT, texture="trunc_ribs", tex_counts=[31,1], tex_scale=-lookup(adj_diam,rib_size));
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cyl(h=head_height,d=head_size, chamfer2=adj_diam/10, anchor=BOT);
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}
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}
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if (head=="hex")
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up(head_height/2)_nutshape(head_size,head_height,"hex",false,true);
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}
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if (head=="hex")
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up(head_height/2)_nutshape(head_size,head_height,"hex",false,true);
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}
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}
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union(){};
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}
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}
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