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Modified Idler 

Extruder idler modified for easier printing
This commit is contained in:
michalprusa 2016-05-05 14:44:58 +02:00
parent 3febbccce6
commit 5734424f4c
2 changed files with 11554 additions and 14087 deletions
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139
Printed-Parts/scad/extruder-idler.scad
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@ -1,63 +1,78 @@
module part_body(){
//bottom round edge
translate([ -7, 4, 6 ]) rotate([0,90,0]) cylinder(r=4, h=21.5, $fn=200 );
translate([ -7, 4, 4 ]) rotate([0,90,0]) cylinder(r=4, h=21.5, $fn=200 );
translate([ 11, 0, 4]) cube([3.5,8,2]);
// body
translate([ -7, 4, 0 ]) cube([18,10,10]);
translate([ -7, 0, 4 ]) cube([18,32,2]);
translate([ -5, 4, 3 ]) cube([10,48,7]);
translate([ -11, 11, 0 ]) cube([22,28,10]);
translate([ -9, 11, 0 ]) cube([18,30,10]);
// upper round edges
translate([ 9, 39, 0 ]) cylinder(r=2, h=10, $fn=25);
translate([ -9, 39, 0 ]) cylinder(r=2, h=10, $fn=25);
// upper round piece
translate([ 0, 52, 6.5 ]) rotate([0,0,0]) cylinder(r=5, h=7, $fn=200, center=true);
}
module cut_away(){
// axis
translate([ 0, 4, 6 ]) rotate([0,90,0]) cylinder(r=1.7, h=30, $fn=200, center=true);
// bolt holes
translate([ 7.5, 35.8, -1 ]) cylinder(r=1.75, h=12, $fn=20);
translate([ 7.5, 36.5, -1 ]) cylinder(r=1.75, h=12, $fn=20);
translate([ 7.5, 37.2, -1 ]) cylinder(r=1.75, h=12, $fn=20);
translate([ -7.5, 35.8, -1 ])cylinder(r=1.75, h=12, $fn=20);
translate([ -7.5, 36.5, -1 ])cylinder(r=1.75, h=12, $fn=20);
translate([ -7.5, 37.2, -1 ])cylinder(r=1.75, h=12, $fn=20);
translate([0,52,0]) sphere(r=5, $fn=20);
//bearing hole
translate([ 0, 20, 3 ]){
rotate([0,90,0]){
cylinder(r=8.5, h=7.5, $fn=200, center=true);
%cylinder(r=8, h=7.5, $fn=200, center=true);
cylinder(r=2.5, h=17, $fn=200, center=true);
}
translate([0,0,-5]) cube([17,5,10], center=true);
translate([0,0,-5]) cube([7.5,17,10], center=true);
}
}
module idler(){
// final part
translate([0,0,10]) mirror([0,0,1])
difference(){
part_body();
cut_away();
}
}
module part_body(){
//bottom round edge
translate([ -7, 4, 6 ]) rotate([0,90,0]) cylinder(r=4, h=21.5, $fn=200 );
translate([ -7, 4, 4 ]) rotate([0,90,0]) cylinder(r=4, h=21.5, $fn=200 );
translate([ 11, 8, 4 ]) cube([3.5,4,6]);
difference()
{
translate([ -7, 0, 4 ]) cube([21.5,5,6]);
translate([ -8, -1, 8 ]) rotate([45,0,0]) cube([25,5,6]);
}
translate([ -7, 8, 4 ]) rotate([0,90,0]) cylinder(r=4, h=21.5, $fn=200 );
translate([ 11, 0, 4]) cube([3.5,12,2]);
translate([ 11, 4, 8]) cube([3.5,4,2]);
translate([ 11, 4, 0]) cube([3.5,4,2]);
// body
translate([ -7, 4, 0 ]) cube([18,10,10]);
translate([ -7, 0, 4 ]) cube([18,32,2]);
translate([ -5, 4, 3 ]) cube([10,48,7]);
translate([ -11, 11, 0 ]) cube([22,28,10]);
translate([ -9, 11, 0 ]) cube([18,30,10]);
// upper round edges
translate([ 9, 39, 0 ]) cylinder(r=2, h=10, $fn=25);
translate([ -9, 39, 0 ]) cylinder(r=2, h=10, $fn=25);
// upper round piece
translate([ 0, 52, 6.5 ]) rotate([0,0,0]) cylinder(r=5, h=7, $fn=200, center=true);
}
module cut_away(){
// axis
translate([ 0, 4, 6 ]) rotate([0,90,0]) cylinder(r=1.7, h=30, $fn=200, center=true);
// bolt holes
translate([ 7.5, 35.8, -1 ]) cylinder(r=1.75, h=12, $fn=20);
translate([ 7.5, 36.5, -1 ]) cylinder(r=1.75, h=12, $fn=20);
translate([ 7.5, 37.2, -1 ]) cylinder(r=1.75, h=12, $fn=20);
translate([ -7.5, 35.8, -1 ])cylinder(r=1.75, h=12, $fn=20);
translate([ -7.5, 36.5, -1 ])cylinder(r=1.75, h=12, $fn=20);
translate([ -7.5, 37.2, -1 ])cylinder(r=1.75, h=12, $fn=20);
translate([0,52,0]) sphere(r=5, $fn=20);
//bearing hole
translate([ 0, 20, 3 ]){
rotate([0,90,0]){
cylinder(r=8.5, h=7.5, $fn=200, center=true);
%cylinder(r=8, h=7.5, $fn=200, center=true);
cylinder(r=2.5, h=17, $fn=200, center=true);
}
translate([0,0,-5]) cube([17,5,10], center=true);
translate([0,0,-5]) cube([7.5,17,10], center=true);
}
}
module idler(){
// final part
translate([0,0,10]) mirror([0,0,1])
difference(){
part_body();
cut_away();
}
}
idler();

25502
Printed-Parts/stl/extruder-idler.stl
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