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Delete bearing.scad

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akukan 2017-12-12 17:24:40 +01:00 committed by GitHub
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// PRUSA iteration3
// Bearing holders
// GNU GPL v3
// Josef Průša <iam@josefprusa.cz> and contributors
// http://www.reprap.org/wiki/Prusa_Mendel
// http://prusamendel.org
use <polyholes.scad>
bearing_diameter = 14.95;
module horizontal_bearing_base(bearings=1){
translate(v=[0,0,6]) cube(size = [24,8+bearings*25,12], center = true);
}
module horizontal_bearing_holes(bearings=1){
cutter_lenght = 10+bearings*25;
one_holder_lenght = 8+25;
holder_lenght = 8+bearings*25;
// Main bearing cut
difference(){
translate(v=[0,0,12]) rotate(a=[90,0,0]) translate(v=[0,0,-cutter_lenght/2]) cylinder(h = cutter_lenght, r=(bearing_diameter/2)+0.2, $fn=50);
// Bearing retainers
translate(v=[0,1-holder_lenght/2,3]) cube(size = [24,6,8], center = true);
translate(v=[0,-1+holder_lenght/2,3]) cube(size = [24,6,8], center = true);
}
// Ziptie cutouts
ziptie_cut_ofset = 0;
for ( i = [0 : bearings-1] ){
// For easier positioning I move them by half of one
// bearing holder then add each bearign lenght and then center again
translate(v=[0,-holder_lenght/2,0]) translate(v=[0,one_holder_lenght/2+i*25,0]) difference(){
union(){
translate(v=[0,2-8.5,12]) rotate(a=[90,0,0]) translate(v=[0,0,0]) cylinder(h = 4, r=11.5, $fn=50);
translate(v=[0,2+8.5,12]) rotate(a=[90,0,0]) translate(v=[0,0,0]) cylinder(h = 4, r=11.5, $fn=50);
}
translate(v=[0,12,12]) rotate(a=[90,0,0]) translate(v=[0,0,0]) cylinder(h = 24, r=9, $fn=50);
}
}
}
module horizontal_bearing_holes_nozip(bearings=1){
cutter_lenght = 10+bearings*25;
one_holder_lenght = 8+25;
holder_lenght = 8+bearings*25;
// Main bearing cut
difference(){
translate(v=[0,0,12]) rotate(a=[90,0,0]) translate(v=[0,0,-cutter_lenght/2]) cylinder(h = cutter_lenght, r=(bearing_diameter/2)+0.2, $fn=50);
// Bearing retainers
translate(v=[0,1-holder_lenght/2,3]) cube(size = [24,6,8], center = true);
translate(v=[0,-1+holder_lenght/2,3]) cube(size = [24,6,8], center = true);
}
}
thinwall = 3;
bearing_size = bearing_diameter + 2 * thinwall;
module vertical_bearing_base(){
translate(v=[-2-bearing_size/4,0,29]) cube(size = [4+bearing_size/2,bearing_size,58], center = true);
cylinder(h = 58, r=bearing_size/2, $fn = 90);
}
module vertical_bearing_holes(){
translate(v=[0,0,-1]) poly_cylinder(h = 62, r=(bearing_diameter/2));
translate(v=[0,0,-0.1]) cylinder(r1=(bearing_diameter/2)+0.7,r2=(bearing_diameter/2), h=0.5);
rotate(a=[0,0,-40]) translate(v=[bearing_diameter/2-2.9,-0.5,0.5]) cube(size = [thinwall*2,1,62]);
}
//difference(){
//vertical_bearing_base();
//vertical_bearing_holes();
//}
//horizontal_bearing_test();
//horizontal_bearing_base(1);
//horizontal_bearing_holes(1);
horizontal_bearing_holes_nozip(1);