hingescrew_shaft_dia = 2.0 + 0.25; // M2 x 12mm machine screw
hingescrew_shaft_len = 12;
-hingescrew_nut_thick = 1.93 + 0.20; // incl. washer
-hingescrew_nut_dia = 4.72 + 0.50; // washer, actually
+hingescrew_fasteners_extra_thick = 0.40;
+hingescrew_nut_access_dia = 4.72 + 0.50;
+// ^ washer is 4.72 dia
+// also, want to get pliers or tiny spanner in to do up locknut
+hingescrew_nut_across = 3.92 + 0.25; // incl. slop around recess slop
+hingescrew_nut_thick = 1.93;
hingescrew_head_th = 1.38 + 0.75;
hingescrew_head_dia = 3.92;
lever_cover_th = 0.75;
hingemount_th = 2.5;
+hingemount_wd = 4.8725;
+
+hingescrew_nut_recess_portion = 2/3; // portion of nut in recess
$fa = 5;
$fs = 0.1;
bppL = lpp10 + [5,0];
bppK = [ bppL[0], bppN[1] ];
bppJ = [ bppN[0], bppL[1] ];
+bppU = [ bppJ[0], lpp12[1] ];
+bppV = lpp11;
+bppW = lpp10;
// hinge plan
-hp_rn = hingescrew_nut_dia/2;
+hp_rn = hingescrew_nut_access_dia/2;
hp_r2_min = hp_rn + lever_cover_th;
hp_rs = hingescrew_shaft_dia/2;
hp_r1_min = hp_rs + hingemount_th;
// hinge elevation x coords
-hingescrew_portion_len =
- 0.5* (hingescrew_shaft_len - hingescrew_nut_thick - hinge_x_gap);
-
hex20 = max(epp2o[0],
phone_cnr_rad,
kppd[0] + hingescrew_head_th + keeper_gap_x_holes);
-hex21 = hex20 + hingescrew_portion_len;
+hex21 = hex20 + hingemount_wd;
hex22 = hex21 + hinge_x_gap;
-hex23 = hex22 + hingescrew_portion_len
- - hingescrew_nut_thick; // bodge, need to divvy this up more sensibly
-hex24 = hex20 + hingescrew_shaft_len + hinge_x_postscrew_gap;
-//echo(hex20, hex21, hex22, hex23, hex24);
-//echo(hingescrew_portion_len);
+hex27 = hex20 + hingescrew_shaft_len;
+hex24 = hex27 + hinge_x_postscrew_gap;
+hex23 = hex27 - (hingescrew_nut_thick*2
+ + hingescrew_fasteners_extra_thick);
+hex26 = hex23 + hingescrew_nut_thick * 2/3;
+
+echo(hex20, hex21, hex22, hex23, hex24);
+// 6, 10.8725, 10.9975, 13.74, 18.75
+module chk(act,exp) {
+ if (abs(act-exp) > 1e-9) echo("WRONG", act, exp);
+ else echo("ok", act);
+}
+chk(hex20, 6);
+chk(hex21, 10.8725);
+chk(hex22, 10.9975);
+chk(hex23, 13.74);
+chk(hex24, 18.75);
// catch
module ButtonCoverProfile(){
intersection(){
- polygon([ bppM, bppP, bppO, bppJ, bppL, bppK ]);
+ polygon(concat([ bppM, bppP, bppO, bppJ ],
+ (enable_support ? [ bppU, bppV, bppW ] : []),
+ [ bppL, bppK ]));
hull(){
EdgeProfile();
LidEdgeProfile();
}
module HingeLeverInnerProfile(){
- for (c = [hppT, hppB]) {
- hull()
+ for (s = [-1,+1]) {
+ c = s > 0 ? hppT : hppB;
+ translate(c)
+ mirror([0,0,s>0])
+ rotate(s<0 ? -40 : 0)
+ hull()
for (x=[-20,20])
- for (y=[0, c[1] - hppM[1]])
+ for (y=[0, s * 10])
translate([x,y])
- circleat(c, hp_rn);
+ circle(hp_rn);
}
}
-module Flip_hinge(){
+module HingeLeverNutProfile(){
+ for (c= [hppB, hppT]) {
+ translate(c)
+ circle($fn=6, r= 0.5 * hingescrew_nut_across / cos(30));
+ }
+}
+
+module Flip_hinge(doflip=1){
hinge_origin = [0, -(phone_height - hppB[0]), hppB[1]];
translate(hinge_origin)
- rotate([180,0,0])
+ rotate([doflip*180,0,0])
translate(-hinge_origin)
children();
}
HingeLeverOuterProfile();
// space for the screws
- HingePortion(hex23, hex24)
+ HingePortion(hex26, hex24)
HingeLeverInnerProfile();
+ // recesses for the nuts
+ HingePortion(hex23, hex26+1)
+ HingeLeverNutProfile();
+
// bores for the screws
HingeScrews();
}
module HingeLeverPrint(){ ////toplevel
- rotate([90,0,0])
+ rotate([-90,0,0])
+ translate([-phone_width/2, phone_height, 0])
HingeLever();
}
}
module DemoHinge(){ ////toplevel
- DemoFrame();
- translate([0,0, -hp_k*3])
- DemoHingedFrame();
+ translate([ -0.5*phone_width, phone_height, hp_k*3 ]) {
+ DemoFrame();
+ translate([0,0, -hp_k*3])
+ DemoHingedFrame();
+ }
}
module DemoProfiles(){ ////toplevel
color("blue") HingeLidProfile();
color("red") HingeBaseProfile();
color("black") translate([0,0,-2]) HingeLeverOuterProfile();
- color("orange") translate([0,0,-1]) HingeLeverInnerProfile();
+ }
+
+ for (f=[0,1]) {
+ translate([-30, -60 + 30*f]) {
+ translate([0,0,-4]) EdgeProfile();
+ %translate([0,0,-10]) HingeBaseProfile();
+ translate([0,-2] * f * hp_k) {
+ translate([0,0,-4]) LidEdgeProfile();
+ %translate([0,0,-10]) %HingeLidProfile();
+ }
+ translate(+hppB) rotate([0,0,180*f]) translate(-hppB) {
+ translate([0,0,-2]) color("black") HingeLeverOuterProfile();
+ translate([0,0,0]) color("red") difference(){
+ HingeLeverOuterProfile();
+ HingeLeverInnerProfile();
+ }
+ translate([0,0,3]) color("yellow") HingeLeverNutProfile();
+ }
+ }
}
translate([20,-30]) {