StephanRichter/Katzenklappe
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vereinfachungen

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Signed-off-by: Stephan Richter <s.richter@srsoftware.de>
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Stephan Richter
2023-10-18 01:07:47 +02:00
parent 9737e93b76
commit 2aecf420bb
1 changed files with 15 additions and 14 deletions
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katzenklappe.scad
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@@ -19,6 +19,10 @@ space = bearing_outer_dia; // space between plexy glass sheets
// calculations // calculations
rad = (space+2*plexy_t)/2; rad = (space+2*plexy_t)/2;
sheet_h = tunnel_h-2*seal-rad; sheet_h = tunnel_h-2*seal-rad;
h0 = stopper_w/2;
h1 = guide_h-gap-10;
h2 = 10+gap+h0;
h3 = bearing_h/2+gap;
// colors // colors
plexy = [0.4,0.6,1,0.6]; plexy = [0.4,0.6,1,0.6];
@@ -65,7 +69,7 @@ module screw(){
module sheets(){ module sheets(){
difference(){ difference(){
union(){ union(){
translate([0,(space+plexy_t)/2,-sheet_h/2])cube([tunnel_w-2*seal,plexy_t,sheet_h],true); translate([0,(plexy_t+space)/2,-sheet_h/2])cube([tunnel_w-2*seal,plexy_t,sheet_h],true);
translate([0, (plexy_t+space)/-2,-sheet_h/2])cube([tunnel_w-2*seal,plexy_t,sheet_h],true); translate([0, (plexy_t+space)/-2,-sheet_h/2])cube([tunnel_w-2*seal,plexy_t,sheet_h],true);
} }
hull(){ hull(){
@@ -77,18 +81,16 @@ module sheets(){
} }
module guide(){ module guide(){
a = guide_h-gap-10;
b = 10+gap+stopper_w/2; translate([h2, 0,h1/2-sheet_h])cube([20,space,h1],true);
translate([b, 0,a/2-sheet_h])cube([20,space,a],true); translate([-h2, 0,h1/2-sheet_h])cube([20,space,h1],true);
translate([-b, 0,a/2-sheet_h])cube([20,space,a],true);
} }
module bearing_case(){ module bearing_case(){
a = bearing_h/2+gap; rotate(ry) cylinder(d=bearing_inner_dia-gap,h=h3);
rotate(ry) cylinder(d=bearing_inner_dia-gap,h=a); translate([h3/2+stopper_w/4,0,stopper_h/2]) cube([h0-h3,space-2*gap,stopper_h],true);
translate([a/2+stopper_w/4,0,stopper_h/2]) cube([stopper_w/2-a,space-2*gap,stopper_h],true); translate([(h0+5)/2,0,stopper_h-5]) cube([h0+5,space-2*gap,10],true);
translate([(stopper_w/2+5)/2,0,stopper_h-5]) cube([stopper_w/2+5,space-2*gap,10],true);
} }
module bearing(){ module bearing(){
@@ -109,7 +111,6 @@ module stopper(){
} }
module flap(){ module flap(){
b = 10+gap+stopper_w/2;
translate(z*(sheet_h-rad)/2) rotate(x*angle) { translate(z*(sheet_h-rad)/2) rotate(x*angle) {
difference(){ difference(){
rotate(y*90) cylinder(d=2*rad,h=tunnel_w-2*seal,center=true); rotate(y*90) cylinder(d=2*rad,h=tunnel_w-2*seal,center=true);
@@ -122,10 +123,10 @@ module flap(){
sheets(); sheets();
guide(); guide();
} }
translate([b,0,5-sheet_h])screw(); translate([h2,0,5-sheet_h])screw();
translate([b,0,guide_h-15-gap-sheet_h])screw(); translate([h2,0,guide_h-15-gap-sheet_h])screw();
translate([-b,0,5-sheet_h])screw(); translate([-h2,0,5-sheet_h])screw();
translate([-b,0,guide_h-15-gap-sheet_h])screw(); translate([-h2,0,guide_h-15-gap-sheet_h])screw();
translate([tunnel_w/ 4,0,rad/-2])screw(); translate([tunnel_w/ 4,0,rad/-2])screw();
translate([tunnel_w/-4,0,rad/-2])screw(); translate([tunnel_w/-4,0,rad/-2])screw();
} }