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Bolt GOST 7805-70, DIN 933, DIN 931, GOST 7817, DIN 6914, 5,8 dan 12,9 gacha bo'lgan kuch sinfi boltlari GOST 7805, DIN 931 - to'liq bo'lmagan ipli (katta va kichik pitch) aniq qirqimli oltita burchakli murvat. To'liq (DIN 933 ga o'xshash) GOST 7805 murvatlari (katta va kichik ip pitch), 10,9 kuchlilik sinfining murvatlari mashinasozlikda, og'ir metall konstruktsiyalarini, elementlarning ajratib bo'ladigan ulanishlari uchun konstruktsiyalarni qurishda qo'llaniladi. Mahkamlash moslamasi statik va dinamik yuklarga bardosh beradi. Bolt parametrlari Nominal ipning diametri d M6 M8 M10 * M12 * M14 * M16 M18 M20 M22 * M24 M27 M30 M36 M42 M48 Ip uzunligi, P katta 1 1.25 1.5 1.75 2 2 2 , 5 2.5 2.5 3 3 3.5 4 4.5 5 kichik - 1 1.25 1.25 1.5 1.5 1.5 1.5 1.5 1.5 2 2 2 3 3 3 kalit, S 10 13 17 19 22 24 27 30 32 36 41 46 55 65 75 Diametri, d1 6 8 10 12 14 16 18 20 22 24 27 30 36 42 48 Bosh balandligi, k 4 5.3 6.4 7.5 8.8 10 12 12.5 14 15 17 18.7 22.5 26 30 Dumaloq aylananing diametri e, kamida 11.1 14.4 18.9 21.1 24.5 26.8 30.1 33.5 35.7 40 45.6 51.3 61.3 72.6 83.9 h.t., kamida 0,15 0.15 0.15 0.15 0.15 0.2 0.2 0.2 0.2 0.2 0,2 0,2 0,2 0,25 0,25 dov, kamida 8,9 11,6 15,6 17,4 20,6 22,5 25,3 28.2 30 33.6 38 42.7 51.1 61 70.5 Tishlangan qismning uzunligi, b L≤ 125 18 22 26 30 34 38 42 46 50 54 60 66 78 90 102 125≤200 - - 32 36 40 44 48 52 56 60 66 72 84 96 108 L> 200 - - - 49 53 57 61 65 69 73 79 85 97. 109 121 Jadvaldagi barcha parametrlar mm bilan berilgan DIN 933 DIN931 (Boltga tortish moslamalari GOST 7805-70 ga o'xshash) Berilgan momentlarning yuklanish darajasi hosil sig'imi 65-70% ga teng.Nayzali murvatlarni tortish momenti, Nm Boltlarning kuch sinfi 5.8 8.8 10.9 12.9 5 / 0.8 3.5 5.5 7.8 9.3 6 / 1.0 5.9 9.4 13.4 16.3 8 / 1.25 14, 4 23.0 31.7 38.4 10 / 1,5 27.8 45.1 62.4 75.8 12 / 1.75 49.0 77.8 109.4 130.6 14 / 2.0 76.8 122.9 173 , 8 208.3 16 / 2.0 118.1 189.1 265.9 319.7 18 / 2,5 165.1 264.0 370.6 444.5 20 / 2,5 230.4 369.6 519.4 623.0 22 / 2.5 311.0 497.3 698.9 839.0 24 / 3.0 399.4 638.4 897,6 1075,2 27 / 3.0 576.0 922.6 1296.0 1555.2 30 / 3.5 786.2 1257.6 1766.4 2121.6 33 / 3.5 1056.0 1699.2 2380.8 2860, 8 36 / 4.0 1363.2 2188.8 3081.6 3696.0 39 / 4.0 1756.8 ... 3955.2 4742.4 ...
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