From: Jan "Yenya" Kasprzak <kas@fi.muni.cz>
Date: Fri, 25 Oct 2013 06:08:48 +0000 (+0200)
Subject: rearlight.scad: yet another attempt
X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=commitdiff_plain;h=50561953475ca2d49d6f327c3334ef3f19f60d8f;p=bike-lights.git
rearlight.scad: yet another attempt
---
diff --git a/parts/rearlight.scad b/parts/rearlight.scad
index 00a3cf6..938c381 100644
--- a/parts/rearlight.scad
+++ b/parts/rearlight.scad
@@ -10,17 +10,19 @@ heatsink_width = 18-3.4;
heatsink_length = 58;
module fraen_lens_pin() {
- cylinder(r1=2, r2=6.15/2, h=23);
+ cylinder(r=4/2, h=23, $fn=32);
translate([epsilon, 0, -5])
cylinder(r=3.4/2, h=5+epsilon);
};
module fraen_lens() {
- cylinder(r1=6, r2=30.51/2, h=23);
- translate([9, 9, 0]) fraen_lens_pin();
- translate([9, -9, 0]) fraen_lens_pin();
- translate([-9, 9, 0]) fraen_lens_pin();
- translate([-9, -9, 0]) fraen_lens_pin();
+ cylinder(r1=6, r2=30.9/2, h=23);
+ assign(off=10.35) {
+ translate([off, off, 0]) fraen_lens_pin();
+ translate([off, -off, 0]) fraen_lens_pin();
+ translate([-off, off, 0]) fraen_lens_pin();
+ translate([-off, -off, 0]) fraen_lens_pin();
+ };
};
module heatsink() {
@@ -162,11 +164,13 @@ module seat_clip() {
translate([0, clip_bolt1_x, 0])
rotate([0, 90, 0])
translate([0, 0, -clip_wall-clip_space/2-epsilon])
- cylinder(r=1.5, h=2*clip_wall+clip_space+2*epsilon);
+ cylinder(r=2, h=2*clip_wall+clip_space+2*epsilon,
+ $fn = 6);
translate([0, clip_bolt2_x, 0])
rotate([0, 90, 0])
translate([0, 0, -clip_wall-clip_space/2-epsilon])
- cylinder(r=1.5, h=2*clip_wall+clip_space+2*epsilon);
+ cylinder(r=2, h=2*clip_wall+clip_space+2*epsilon,
+ $fn=6);
};
translate([-clip_space, clip_bolt1_x, 0])
@@ -188,6 +192,7 @@ module seat_clip() {
clip_top();
};
+/*
seat_clip();
difference() {
@@ -216,15 +221,144 @@ difference() {
heatsink();
};
};
+*/
-/*
-if (debug == 1) {
+wall_thickness = 1.5;
+fraen_diam = 30.75;
+fraen_h = 29.8;
+pin_diam = 4;
+pin_offset = 10.35*1.4142;
+pin_len = 9.2;
+front_add = 4;
+
+side_barrier_x_offset = 13;
+side_barrier_pin_z_offset = 4.2;
+side_barrier_thickness = 2;
+
+module round_part() {
difference() {
- main($fn=64);
- //translate([0, -100, 0]) cube([200, 200, 200], center=true);
- rotate([0, 0, 40])translate([0, -100, 0]) cube([200, 200, 200], center=true);
+ cylinder(r = fraen_diam/2 + pin_diam/2 + wall_thickness,
+ h = front_add + pin_len + wall_thickness);
+ translate([0, 0, -epsilon])
+ cylinder(r = fraen_diam/2,
+ h = pin_len + wall_thickness + front_add + 2*epsilon);
+ // front cone
+ translate([0, 0, pin_len + 1.5*wall_thickness - epsilon])
+ cylinder(r1 = fraen_diam/2,
+ r2 = (fraen_diam+pin_diam + wall_thickness)/2,
+ h = front_add + 2*epsilon);
+ // pin holes
+ for (angle = [0, 90, 180, 270]) {
+ rotate([0, 0, angle+45])
+ translate([pin_offset, 0, wall_thickness-epsilon])
+ cylinder(r=pin_diam/2,
+ h=pin_len+epsilon, $fn=32);
+ };
};
-} else {
- main($fn=128);
+
+ // side barriers
+ for (angle = [0, 90, 180]) // omit the bottom one
+ rotate([0, 0, angle])
+ intersection() {
+ cylinder(r=fraen_diam/2+epsilon, h=infty);
+ translate([-infty/2, side_barrier_x_offset,
+ wall_thickness + pin_len - side_barrier_pin_z_offset - side_barrier_thickness ])
+ cube([infty, infty, side_barrier_thickness]);
+ };
+};
+
+module square_cone() {
+ difference() {
+ hull() {
+ translate([0, 0, fraen_h - pin_len - wall_thickness])
+ cylinder(r = fraen_diam/2 + pin_diam/2 + wall_thickness,
+ h = epsilon);
+ for (angle = [0, 90, 180, 270])
+ rotate([0, 0, angle])
+ translate([9, 9, 0])
+ cylinder(r=wall_thickness+3.5/2, h = epsilon);
+ }
+ hull() {
+ translate([0, 0, fraen_h - pin_len - wall_thickness+epsilon])
+ cylinder(r = fraen_diam/2,
+ h = epsilon);
+ for (angle = [0, 90, 180, 270])
+ rotate([0, 0, angle])
+ translate([9, 9, -epsilon])
+ cylinder(r=3.5/2, h = epsilon);
+ }
+ }
}
-*/
+
+rear_spring_w = 4;
+
+module rear_spring() {
+ translate([0, 0, wall_thickness/2])
+ cube([18+2*wall_thickness+3.5, rear_spring_w, wall_thickness], center=true);
+ difference() {
+ rotate([90, 0, 0])
+ translate([0, 0, -rear_spring_w/2])
+ cylinder(r=6-heatsink_thickness, h = rear_spring_w);
+ translate([0, 0, -infty/2+epsilon])
+ cube(infty, center=true);
+ };
+};
+
+module heatsink_holder() {
+ for (angle = [0, 180]) {
+ rotate([0, 0, angle])
+ translate([9+wall_thickness, 0, 6/2])
+ cube([3.5/2+wall_thickness, 2*9-3.5-0.5, 6], center=true);
+ }
+}
+
+module lens_holder() {
+ difference() {
+ union() {
+ translate([0, 0, fraen_h - pin_len - wall_thickness])
+ round_part();
+ square_cone();
+ };
+
+ // 0.5mm hole in the bottom
+ // translate([side_barrier_x_offset-epsilon, -0.25, -epsilon])
+ translate([0, -0.25, (fraen_h - pin_len - wall_thickness)/2])
+ cube([infty, 0.5, infty]);
+
+ // cable hole, 2*3mm
+ translate([9, 0, 6+3])
+ rotate([0, 0, 60])
+ cube([infty, 2, 3]);
+ };
+
+ rear_spring();
+ heatsink_holder();
+};
+
+lens_holder($fn = 128);
+
+translate([20, 40, 0])
+ rotate([90, 0, -90])
+ seat_clip(, $fn=128);
+
+hull() {
+ translate([0, 9+3.5/2+epsilon, wall_thickness/2])
+ cube([2*9+3.5, epsilon, wall_thickness], center=true);
+ translate([20-clip_wall/2, 40-clip_space/2-clip_wall+epsilon, wall_thickness/2])
+ cube([clip_h1+clip_wall, epsilon/2, wall_thickness], center=true);
+};
+
+translate([7.5, 13.3, 0])
+ cube([wall_thickness, 23, fraen_h - pin_len - wall_thickness]);
+
+ // vnitrni prumer kruhu by mel byt 30.75mm
+ // vnejsi prumer aspon 35 mm
+ // pin od stredu 10.35mm na x a y
+ // prumer pinu 4 mm
+ // pin ma od cela do zabrany 4.2mm, celkove by mel mit 9.2mm
+
+ // piny by mely pokracovat jeste tak 4mm pod nulu,
+ // a pak uz muze jit konv.obal do ctverce
+ // vnitrni rozmery ctverce 21.5x21.5, zakulacene rohy prumer 3.5
+ // vrch chladice (s LEDkou) -18.5
+ // konec nozicek -24.5