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prumer = 100; |
1 |
prumer = 100; |
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rafek = 10; |
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rafek = 10; |
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tloustka_rafku = 10; |
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tloustka_rafku = 10; |
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tloustka_zebrovani = 5; |
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tloustka_zebrovani = 5; |
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tloustka_stredu = 12; |
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tloustka_stredu = 12; |
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prumer_stredu = 20; |
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prumer_stredu = 20; |
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prumer_hridele = 4; |
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prumer_hridele = 4+1; |
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polomer_zakriveni = 15; |
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polomer_zakriveni = 15; |
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dokonalost_kruhu = 100; |
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dokonalost_kruhu = 100; |
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vyska_loziska = 3; |
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vyska_loziska = 3; |
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mount_hole = 3.2; // mounting screw hole diameter |
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mount_hole = 3.2; // mounting screw hole diameter |
12 |
|
12 |
|
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pocet_vykrojeni = 6; |
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pocet_vykrojeni = 6; |
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vnitrni_polomer_zebrovani = 10; |
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vnitrni_polomer_zebrovani = 10; |
15 |
|
15 |
|
16 |
module kolo(){ |
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module kolo(){ |
17 |
intersection() { |
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intersection() { |
18 |
difference() { |
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difference() { |
19 |
cylinder(r=prumer/2, h=tloustka_rafku, center=true, $fn=dokonalost_kruhu); |
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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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cylinder(r=prumer/2-rafek, h=tloustka_rafku*2, center=true, $fn=dokonalost_kruhu); |
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} |
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} |
22 |
rotate_extrude(convexity=10, $fn=dokonalost_kruhu){translate([prumer/2-polomer_zakriveni, 0, 0]){circle(r = polomer_zakriveni, $fn=dokonalost_kruhu);}} |
22 |
rotate_extrude(convexity=10, $fn=dokonalost_kruhu){translate([prumer/2-polomer_zakriveni, 0, 0]){circle(r = polomer_zakriveni, $fn=dokonalost_kruhu);}} |
23 |
} |
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} |
24 |
|
24 |
|
25 |
difference() { |
25 |
difference() { |
26 |
union() { |
26 |
union() { |
27 |
translate([0,0,-(tloustka_rafku-tloustka_zebrovani)/2]) cylinder(r=prumer/2-tloustka_rafku, h=tloustka_zebrovani, center=true, $fn=dokonalost_kruhu); |
27 |
translate([0,0,-(tloustka_rafku-tloustka_zebrovani)/2]) cylinder(r=prumer/2-tloustka_rafku, h=tloustka_zebrovani, center=true, $fn=dokonalost_kruhu); |
28 |
translate([0,0,-(tloustka_rafku- tloustka_stredu)/2]) cylinder(r=prumer_stredu/2, h=tloustka_stredu, center=true, $fn=dokonalost_kruhu); |
28 |
translate([0,0,-(tloustka_rafku- tloustka_stredu)/2]) cylinder(r=prumer_stredu/2, h=tloustka_stredu, center=true, $fn=dokonalost_kruhu); |
29 |
} |
29 |
} |
30 |
difference() { |
30 |
difference() { |
31 |
cylinder(r=prumer_hridele/2, h=tloustka_stredu*2, center=true, $fn=dokonalost_kruhu); |
31 |
cylinder(r=prumer_hridele/2, h=tloustka_stredu*2, center=true, $fn=dokonalost_kruhu); |
32 |
translate([-prumer_hridele/2,prumer_hridele/2 - 0.5,-2]) |
32 |
translate([-prumer_hridele/2,prumer_hridele/2 - 0.5,-2]) |
33 |
cube([10, 10, 200], center=false); |
33 |
cube([10, 10, 200], center=false); |
34 |
} |
34 |
} |
35 |
|
35 |
|
36 |
translate([0,0,-tloustka_stredu/2 + vyska_loziska/2 ]) |
36 |
translate([0,0,-tloustka_stredu/2 + vyska_loziska/2 ]) |
37 |
cylinder(r=4, h=vyska_loziska ,center=true, $fn=dokonalost_kruhu); // vybrani na mozazne kluzne lozisko na vystupu motoru |
37 |
cylinder(r=4, h=vyska_loziska ,center=true, $fn=dokonalost_kruhu); // vybrani na mozazne kluzne lozisko na vystupu motoru |
38 |
|
38 |
|
39 |
translate([0,30,4]) |
39 |
translate([0,30,4]) |
40 |
rotate([90,0,0]) |
40 |
rotate([90,0,0]) |
41 |
cylinder (h = 30, r= mount_hole/2, $fn=20); // hole for top part mounting screw. |
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cylinder (h = 30, r= mount_hole/2, $fn=20); // hole for mounting screw. |
42 |
|
42 |
|
43 |
translate([-3 ,3, 0]) |
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translate([-3 ,3, 0]) // hole for mounting nut. |
44 |
cube([6, 3, 20], center = false); |
44 |
cube([6, 3, 20], center = false); |
45 |
} |
45 |
} |
46 |
} |
46 |
} |
47 |
|
47 |
|
48 |
|
48 |
|
49 |
module vykrojeni(alfa,vnitrni_polomer,r,tloustka,sirka_okraje,polomer_rohu){ |
49 |
module vykrojeni(alfa,vnitrni_polomer,r,tloustka,sirka_okraje,polomer_rohu){ |
50 |
b = sin(alfa/2) * r; |
50 |
b = sin(alfa/2) * r; |
51 |
|
51 |
|
52 |
intersection() { |
52 |
intersection() { |
53 |
translate([r/2 + sirka_okraje/sin(alfa/2),0,0]){ |
53 |
translate([r/2 + sirka_okraje/sin(alfa/2),0,0]){ |
54 |
difference(){ |
54 |
difference(){ |
55 |
cube([r, 2*b, tloustka], center=true); |
55 |
cube([r, 2*b, tloustka], center=true); |
56 |
union(){ |
56 |
union(){ |
57 |
translate([-r/2,0,-tloustka]){ |
57 |
translate([-r/2,0,-tloustka]){ |
58 |
rotate([0,0,alfa/2]){ |
58 |
rotate([0,0,alfa/2]){ |
59 |
cube([r, b, tloustka*2], center=false); |
59 |
cube([r, b, tloustka*2], center=false); |
60 |
} |
60 |
} |
61 |
} |
61 |
} |
62 |
translate([-r/2 - sin(alfa/2) * b,-cos(alfa/2) * b,-tloustka]){ |
62 |
translate([-r/2 - sin(alfa/2) * b,-cos(alfa/2) * b,-tloustka]){ |
63 |
rotate([0,0,-alfa/2]){ |
63 |
rotate([0,0,-alfa/2]){ |
64 |
cube([r, b, tloustka*2], center=false); |
64 |
cube([r, b, tloustka*2], center=false); |
65 |
} |
65 |
} |
66 |
} |
66 |
} |
67 |
} |
67 |
} |
68 |
} |
68 |
} |
69 |
} |
69 |
} |
70 |
|
70 |
|
71 |
difference() { |
71 |
difference() { |
72 |
cylinder(r=r, h=tloustka, center=true,$fn=dokonalost_kruhu); |
72 |
cylinder(r=r, h=tloustka, center=true,$fn=dokonalost_kruhu); |
73 |
cylinder(r=vnitrni_polomer, h=tloustka*2, center=true,$fn=dokonalost_kruhu); |
73 |
cylinder(r=vnitrni_polomer, h=tloustka*2, center=true,$fn=dokonalost_kruhu); |
74 |
} |
74 |
} |
75 |
} |
75 |
} |
76 |
} |
76 |
} |
77 |
|
77 |
|
78 |
difference() { |
78 |
difference() { |
79 |
kolo(); |
79 |
kolo(); |
80 |
difference() { |
80 |
difference() { |
81 |
for (i=[0:pocet_vykrojeni-1]){ |
81 |
for (i=[0:pocet_vykrojeni-1]){ |
82 |
rotate([0,0,i * 360/pocet_vykrojeni]){ |
82 |
rotate([0,0,i * 360/pocet_vykrojeni]){ |
83 |
scale([1,1,3]) { |
83 |
scale([1,1,3]) { |
84 |
vykrojeni(360/pocet_vykrojeni,10,37,10,3); |
84 |
vykrojeni(360/pocet_vykrojeni,10,37,10,3); |
85 |
} |
85 |
} |
86 |
} |
86 |
} |
87 |
} |
87 |
} |
88 |
|
88 |
|
89 |
translate([0,0,-tloustka_zebrovani*2]) {cylinder(r=vnitrni_polomer_zebrovani, h=tloustka_zebrovani*3, center=false, $fn=dokonalost_kruhu);} |
89 |
translate([0,0,-tloustka_zebrovani*2]) {cylinder(r=vnitrni_polomer_zebrovani, h=tloustka_zebrovani*3, center=false, $fn=dokonalost_kruhu);} |
90 |
} |
90 |
} |
91 |
|
91 |
|
92 |
} |
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|
93 |
|
92 |
} |
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93 |
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