Řetězová kola
TYP ŘETĚZU |
ROZTEČ | ROZTEČ x PR. VÁLEČKU [ mm ] |
05 B | 8 mm | 8 x 5 |
06 B | 3 / 8" | 9,525 x 6,35 |
08 B | 1 / 2" | 12,7 x 8,51 |
10 B | 5 / 8" | 15,875 x 10,16 |
12 B | 3 / 4" | 19,05 x 12, 07 |
16 B | 1" | 25,4 x 15,875 |
20 B | 1 1/4" | 31,75 x 19,05 |
24 B | 1 1/2" | 38,10 x 25,40 |
Možno vyrobit i ozubení dle US normy "ANSI" -ASA
Výpočet rozměrů řetězového kola
zuby |
z1 |
průměr válečku |
d1 |
rozteč řetězu |
t |
roztečná kružnice |
dt = t . x * |
patní kružnice |
df = dt - d1 |
hlavová kružnice |
da = dt + 0,6 . d1 |
* hodnota x - viz tabulka níže
z | x | z | x | z | x | ||
9 | 2,924 | 41 | 13,063 | 73 | 23,244 | ||
10 | 3,236 | 42 | 13,381 | 74 | 23,562 | ||
11 | 3,549 | 43 | 13,700 | 75 | 23,880 | ||
12 | 3,864 | 44 | 14,018 | 76 | 24,198 | ||
13 | 4,179 | 45 | 14,336 | 77 | 24,517 | ||
14 | 4,494 | 46 | 14,654 | 78 | 24,835 | ||
15 | 4,810 | 47 | 14,972 | 79 | 25,153 | ||
16 | 5,126 | 48 | 15,290 | 80 | 25,471 | ||
17 | 5,442 | 49 | 15,608 | 81 | 25,790 | ||
18 | 5,759 | 50 | 15,926 | 82 | 26,108 | ||
19 | 6,076 | 51 | 16,244 | 83 | 26,426 | ||
20 | 6,392 | 52 | 16,562 | 84 | 26,744 | ||
21 | 6,710 | 53 | 16,880 | 85 | 27,063 | ||
22 | 7,027 | 54 | 17,198 | 86 | 27,381 | ||
23 | 7,344 | 55 | 17,517 | 87 | 27,699 | ||
24 | 7,661 | 56 | 17,835 | 88 | 28,017 | ||
25 | 7,979 | 57 | 18,153 | 89 | 28,335 | ||
26 | 8,296 | 58 | 18,471 | 90 | 28,654 | ||
27 | 8,614 | 59 | 18,789 | 91 | 28,972 | ||
28 | 8,931 | 60 | 19,107 | 92 | 29,290 | ||
29 | 9,249 | 61 | 19,425 | 93 | 29,608 | ||
30 | 9,567 | 62 | 19,744 | 94 | 29,927 | ||
31 | 9,885 | 63 | 20,062 | 95 | 30,245 | ||
32 | 10,202 | 64 | 20,380 | 96 | 30,563 | ||
33 | 10,520 | 65 | 20,698 | 97 | 30,881 | ||
34 | 10,838 | 66 | 21,016 | 98 | 31,200 | ||
35 | 11,156 | 67 | 21,335 | 99 | 31,518 | ||
36 | 11,474 | 68 | 21,653 | 100 | 31,836 | ||
37 | 11,792 | 69 | 21,971 | 101 | 32,154 | ||
38 | 12,110 | 70 | 22,289 | 102 | 32,473 | ||
39 | 12,428 | 71 | 22,607 | 103 | 32,791 | ||
40 | 12,745 | 72 | 22,926 | 104 | 33,109 |