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fix sizes & make customisable

master
Vitaliy Filippov 2015-12-29 22:56:09 +00:00
parent e4d4056162
commit 9e5a94b5f5
1 changed files with 30 additions and 26 deletions
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56
ball-amort/ball_amort.scad
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@ -1,47 +1,51 @@
$fn = 50;
tube_length = 4; // tube length in studs
piston_length = 3; // piston length in studs
travel_length = piston_length-2; // piston travel in studs
travel = min(travel_length, piston_length-2, tube_length-2);
//difference() { union() {
difference() {
cylinder(r=4, h=4*8);
ball_end_n();
translate([0, 0, 6]) cylinder(r=3.2, h=4*8);
translate([-5, -0.5, 4*8-6]) cube(size=[10, 1, 3], center=false);
translate([0, 0, 2.3]) cylinder(r=4, h=tube_length*8-2.3);
translate([0, 0, 2.3]) ball_end_n();
translate([0, 0, 8]) cylinder(r=3.2, h=tube_length*8);
translate([-5, -0.5, tube_length*8-6]) cube(size=[10, 1, 3], center=false);
}
color([1, 0.5, 0.5]) translate([0, 0, 6*8]) rotate([180, 0, 0])
color([1, 0.5, 0.5]) translate([0, 0, (tube_length+piston_length-1)*8]) rotate([180, 0, 0])
{
difference() {
union() {
cylinder(r=3, h=3*8);
cylinder(r=4, h=8);
translate([0, 0, 2.3]) union() {
cylinder(r=3, h=piston_length*8-2.3);
cylinder(r=4, h=8-2.3);
}
translate([-5, -0.7, 14-3]) cube(size=[10, 1.4, 8+3], center=false);
ball_end_n();
translate([-5, -0.7, (piston_length-travel-1)*8+3]) cube(size=[10, 1.4, travel*8+3], center=false);
translate([0, 0, 2.3]) ball_end_n();
}
}
//rotate([90, 0, 0])
color([0.5, 0.5, 1]) translate([-4, -0.5, 4*8-6])
color([0.5, 0.5, 1]) translate([-4, -0.5, tube_length*8-6])
cube(size=[8, 1, 3], center=false);
// } translate([0, -50, -1]) cube(size=[10, 100, 50]); }
//} translate([0, -50, -1]) cube(size=[10, 500, 500]); }
module ball_end() {
difference() {
ball_end_p();
ball_end_n();
}
}
module ball_end_p() {
union() {
translate([0, 0, 1.7+3.2+1-4]) difference() { sphere(r=4); translate([-5, -5, -6]) cube(size=[10,10,5]); }
cylinder(r=4, h=2);
}
}
//rotate([10, 0, 0]) axleround(h=8);
// ball end shift 2.3mm down
module ball_end_n() {
translate([0, 0, 1.7]) sphere(r=3.2);
translate([0, 0, 1.7]) sphere(r=3.05);
translate([0, 0, -0.1]) cylinder(r=2.9, h=2);
}
module axleround(h = 24, axleradius = 2.3, axlemesh = 1.7) {
translate([0, 0, -h/2]) difference() {
cylinder($fn=16, r=axleradius, h=h);
translate([axlemesh/2, axlemesh/2, -1]) cube([axleradius, axleradius, h+2]);
translate([axlemesh/2, -axlemesh/2-axleradius, -1]) cube([axleradius, axleradius, h+2]);
translate([-axlemesh/2-axleradius, axlemesh/2, -1]) cube([axleradius, axleradius, h+2]);
translate([-axlemesh/2-axleradius, -axlemesh/2-axleradius, -1]) cube([axleradius, axleradius, h+2]);
}
}