| 4186 |
kaklik |
1 |
prumer = 100; |
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rafek = 10; |
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tloustka_rafku = 10; |
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tloustka_zebrovani = 5; |
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tloustka_stredu = 12; |
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prumer_stredu = 20; |
| 4195 |
kaklik |
7 |
prumer_hridele = 4.2; |
| 4186 |
kaklik |
8 |
polomer_zakriveni = 15; |
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9 |
dokonalost_kruhu = 100; |
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10 |
vyska_loziska = 3; |
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mount_hole = 3.2; // mounting screw hole diameter |
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pocet_vykrojeni = 6; |
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vnitrni_polomer_zebrovani = 10; |
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module kolo(){ |
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intersection() { |
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difference() { |
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cylinder(r=prumer/2, h=tloustka_rafku, center=true, $fn=dokonalost_kruhu); |
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cylinder(r=prumer/2-rafek, h=tloustka_rafku*2, center=true, $fn=dokonalost_kruhu); |
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} |
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rotate_extrude(convexity=10, $fn=dokonalost_kruhu){translate([prumer/2-polomer_zakriveni, 0, 0]){circle(r = polomer_zakriveni, $fn=dokonalost_kruhu);}} |
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} |
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difference() { |
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union() { |
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translate([0,0,-(tloustka_rafku-tloustka_zebrovani)/2]) cylinder(r=prumer/2-tloustka_rafku, h=tloustka_zebrovani, center=true, $fn=dokonalost_kruhu); |
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28 |
translate([0,0,-(tloustka_rafku- tloustka_stredu)/2]) cylinder(r=prumer_stredu/2, h=tloustka_stredu, center=true, $fn=dokonalost_kruhu); |
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} |
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30 |
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translate([0,0,-tloustka_stredu/2 + vyska_loziska/2 ]) |
| 4189 |
kaklik |
32 |
cylinder(r=4, h=vyska_loziska ,center=true, $fn=20); // vybrani na mozazne kluzne lozisko na vystupu motoru |
| 4191 |
kaklik |
33 |
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rotate([0,0,30]){ |
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translate([0,30,2]) |
| 4189 |
kaklik |
36 |
rotate([90,0,0]) |
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cylinder (h = 30, r= mount_hole/2, $fn=20); // hole for mounting screw. |
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| 4191 |
kaklik |
39 |
translate([-3 ,3, -2]) // hole for mounting nut. |
| 4189 |
kaklik |
40 |
cube([6, 3, 20], center = false); |
| 4186 |
kaklik |
41 |
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| 4189 |
kaklik |
42 |
difference() { // D-cut on axis |
| 4195 |
kaklik |
43 |
translate([0,0, tloustka_stredu-vyska_loziska + 0.2]) |
| 4189 |
kaklik |
44 |
cylinder(r=prumer_hridele/2, h=tloustka_stredu*2, center=true, $fn=20); |
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translate([-prumer_hridele/2,prumer_hridele/2 - 0.5,-2]) |
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cube([10, 10, 200], center=false); |
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} |
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} |
| 4186 |
kaklik |
49 |
} |
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} |
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module vykrojeni(alfa,vnitrni_polomer,r,tloustka,sirka_okraje,polomer_rohu){ |
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b = sin(alfa/2) * r; |
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intersection() { |
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translate([r/2 + sirka_okraje/sin(alfa/2),0,0]){ |
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difference(){ |
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cube([r, 2*b, tloustka], center=true); |
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union(){ |
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translate([-r/2,0,-tloustka]){ |
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rotate([0,0,alfa/2]){ |
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cube([r, b, tloustka*2], center=false); |
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} |
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} |
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translate([-r/2 - sin(alfa/2) * b,-cos(alfa/2) * b,-tloustka]){ |
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rotate([0,0,-alfa/2]){ |
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cube([r, b, tloustka*2], center=false); |
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} |
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} |
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} |
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} |
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} |
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difference() { |
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cylinder(r=r, h=tloustka, center=true,$fn=dokonalost_kruhu); |
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cylinder(r=vnitrni_polomer, h=tloustka*2, center=true,$fn=dokonalost_kruhu); |
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} |
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} |
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} |
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difference() { |
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kolo(); |
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difference() { |
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85 |
for (i=[0:pocet_vykrojeni-1]){ |
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rotate([0,0,i * 360/pocet_vykrojeni]){ |
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scale([1,1,3]) { |
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vykrojeni(360/pocet_vykrojeni,10,37,10,3); |
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} |
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} |
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} |
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translate([0,0,-tloustka_zebrovani*2]) {cylinder(r=vnitrni_polomer_zebrovani, h=tloustka_zebrovani*3, center=false, $fn=dokonalost_kruhu);} |
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94 |
} |
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95 |
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| 4188 |
kaklik |
96 |
} |