DIN 6921 gardish murvatlari sinf 8.8 va 10.9
Mahsulotlar nomi | OLTINTILI BOLT DIN 931/ISO4014 yarim tishli |
Standart | DIN, ASTM/ANSI JIS EN ISO, AS, GB |
Baho | Chelik darajasi: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9;SAE: Gr.2,5,8; ASTM: 307A, A325, A490, |
Tugatish | Sink (sariq, oq, ko'k, qora), hop galvanizli (HDG), qora oksid, Geomet, Dakroment, anodizatsiya, Nikel bilan qoplangan, Sink-Nikel bilan qoplangan |
Ishlab chiqarish jarayoni | M2-M24: Sovuq Froging, M24-M100 Issiq zarb, Tayyorlangan mahkamlagich uchun ishlov berish va CNC |
Tayyorlangan mahsulotlarni yetkazib berish vaqti | 30-60 kun, |
Vintli ip | M1.6 | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | (M7) | M8 | M10 | M12 | ||
P | Pitch | 0,35 | 0.4 | 0,45 | 0,5 | 0,6 | 0,7 | 0,8 | 1 | 1 | 1.25 | 1.5 | 1.75 | |
b | L≤125 | 9 | 10 | 11 | 12 | 13 | 14 | 16 | 18 | 20 | 22 | 26 | 30 | |
125<L≤200 | 15 | 16 | 17 | 18 | 19 | 20 | 22 | 24 | 26 | 28 | 32 | 36 | ||
L>200 | 28 | 29 | 30 | 31 | 32 | 33 | 35 | 37 | 39 | 41 | 45 | 49 | ||
c | maks | 0,25 | 0,25 | 0,25 | 0.4 | 0.4 | 0.4 | 0,5 | 0,5 | 0,6 | 0,6 | 0,6 | 0,6 | |
min | 0.1 | 0.1 | 0.1 | 0,15 | 0,15 | 0,15 | 0,15 | 0,15 | 0,15 | 0,15 | 0,15 | 0,15 | ||
da | maks | 2 | 2.6 | 3.1 | 3.6 | 4.1 | 4.7 | 5.7 | 6.8 | 7.8 | 9.2 | 11.2 | 13.7 | |
ds | maksimal = nominal o'lcham | 1.6 | 2 | 2.5 | 3 | 3.5 | 4 | 5 | 6 | 7 | 8 | 10 | 12 | |
A sinf | min | 1.46 | 1.86 | 2.36 | 2.86 | 3.32 | 3.82 | 4.82 | 5.82 | 6.78 | 7.78 | 9.78 | 11.73 | |
B sinf | min | 1.35 | 1.75 | 2.25 | 2.75 | 3.2 | 3.7 | 4.7 | 5.7 | 6.64 | 7.64 | 9.64 | 11.57 | |
dw | A sinf | min | 2.54 | 3.34 | 4.34 | 4.84 | 5.34 | 6.2 | 7.2 | 8.88 | 9.63 | 11.63 | 14.63 | 16.63 |
B sinf | min | 2.42 | 3.22 | 4.22 | 4.72 | 5.22 | 6.06 | 7.06 | 8.74 | 9.47 | 11.47 | 14.47 | 16.47 | |
e | A sinf | min | 3.41 | 4.32 | 5.45 | 6.01 | 6.58 | 7.66 | 8.79 | 11.05 | 12.12 | 14.38 | 17.77 | 20.03 |
B sinf | min | 3.28 | 4.18 | 5.31 | 5.88 | 6.44 | 7.5 | 8.63 | 10.89 | 11.94 | 14.2 | 17.59 | 19.85 | |
L1 | maks | 0,6 | 0,8 | 1 | 1 | 1 | 1.2 | 1.2 | 1.4 | 1.4 | 2 | 2 | 3 | |
k | Nominal hajmi | 1.1 | 1.4 | 1.7 | 2 | 2.4 | 2.8 | 3.5 | 4 | 4.8 | 5.3 | 6.4 | 7.5 | |
A sinf | maks | 1.225 | 1.525 | 1.825 | 2.125 | 2.525 | 2.925 | 3.65 | 4.15 | 4.95 | 5.45 | 6.58 | 7.68 | |
min | 0,975 | 1.275 | 1.575 | 1.875 | 2.275 | 2.675 | 3.35 | 3.85 | 4.65 | 5.15 | 6.22 | 7.32 | ||
B sinf | maks | 1.3 | 1.6 | 1.9 | 2.2 | 2.6 | 3 | 3.74 | 4.24 | 5.04 | 5.54 | 6.69 | 7.79 | |
min | 0,9 | 1.2 | 1.5 | 1.8 | 2.2 | 2.6 | 3.26 | 3.76 | 4.56 | 5.06 | 6.11 | 7.21 | ||
k1 | A sinf | min | 0,68 | 0,89 | 1.1 | 1.31 | 1.59 | 1.87 | 2.35 | 2.7 | 3.26 | 3.61 | 4.35 | 5.12 |
B sinf | min | 0,63 | 0,84 | 1.05 | 1.26 | 1.54 | 1.82 | 2.28 | 2.63 | 3.19 | 3.54 | 4.28 | 5.05 | |
r | min | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0,25 | 0,25 | 0.4 | 0.4 | 0,6 | |
s | maksimal = nominal o'lcham | 3.2 | 4 | 5 | 5.5 | 6 | 7 | 8 | 10 | 11 | 13 | 16 | 18 | |
A sinf | min | 3.02 | 3.82 | 4.82 | 5.32 | 5.82 | 6.78 | 7.78 | 9.78 | 10.73 | 12.73 | 15.73 | 17.73 | |
B sinf | min | 2.9 | 3.7 | 4.7 | 5.2 | 5.7 | 6.64 | 7.64 | 9.64 | 10.57 | 12.57 | 15.57 | 17.57 | |
Ip uzunligi b | - | - | - | - | - | - | - | - | - | - | - | - | ||
Vintli ip | (M14) | M16 | (M18) | M20 | (M22) | M24 | (M27) | M30 | (M33) | M36 | (M39) | M42 | ||
P | Pitch | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3.5 | 3.5 | 4 | 4 | 4.5 | |
b | L≤125 | 34 | 38 | 42 | 46 | 50 | 54 | 60 | 66 | 72 | - | - | - | |
125<L≤200 | 40 | 44 | 48 | 52 | 56 | 60 | 66 | 72 | 78 | 84 | 90 | 96 | ||
L>200 | 53 | 57 | 61 | 65 | 69 | 73 | 79 | 85 | 91 | 97 | 103 | 109 | ||
c | maks | 0,6 | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 | 0,8 | 1 | 1 | |
min | 0,15 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | ||
da | maks | 15.7 | 17.7 | 20.2 | 22.4 | 24.4 | 26.4 | 30.4 | 33.4 | 36.4 | 39.4 | 42.4 | 45.6 | |
ds | maksimal = nominal o'lcham | 14 | 16 | 18 | 20 | 22 | 24 | 27 | 30 | 33 | 36 | 39 | 42 | |
A sinf | min | 13.73 | 15.73 | 17.73 | 19.67 | 21.67 | 23.67 | - | - | - | - | - | - | |
B sinf | min | 13.57 | 15.57 | 17.57 | 19.48 | 21.48 | 23.48 | 26.48 | 29.48 | 32.38 | 35.38 | 38.38 | 41.38 | |
dw | A sinf | min | 19.64 | 22.49 | 25.34 | 28.19 | 31.71 | 33.61 | - | - | - | - | - | - |
B sinf | min | 19.15 | 22 | 24.85 | 27.7 | 31.35 | 33.25 | 38 | 42,75 | 46,55 | 51.11 | 55,86 | 59,95 | |
e | A sinf | min | 23.36 | 26.75 | 30.14 | 33.53 | 37.72 | 39,98 | - | - | - | - | - | - |
B sinf | min | 22.78 | 26.17 | 29.56 | 32.95 | 37.29 | 39.55 | 45.2 | 50,85 | 55.37 | 60,79 | 66.44 | 71.3 | |
L1 | maks | 3 | 3 | 3 | 4 | 4 | 4 | 6 | 6 | 6 | 6 | 6 | 8 | |
k | Nominal hajmi | 8.8 | 10 | 11.5 | 12.5 | 14 | 15 | 17 | 18.7 | 21 | 22.5 | 25 | 26 | |
A sinf | maks | 8.98 | 10.18 | 11.715 | 12.715 | 14.215 | 15.215 | - | - | - | - | - | - | |
min | 8.62 | 9.82 | 11.285 | 12.285 | 13.785 | 14.785 | - | - | - | - | - | - | ||
B sinf | maks | 9.09 | 10.29 | 11.85 | 12.85 | 14.35 | 15.35 | 17.35 | 19.12 | 21.42 | 22.92 | 25.42 | 26.42 | |
min | 8.51 | 9.71 | 11.15 | 12.15 | 13.65 | 14.65 | 16.65 | 18.28 | 20.58 | 22.08 | 24.58 | 25.58 | ||
k1 | A sinf | min | 6.03 | 6.87 | 7.9 | 8.6 | 9.65 | 10.35 | - | - | - | - | - | - |
B sinf | min | 5.96 | 6.8 | 7.81 | 8.51 | 9.56 | 10.26 | 11.66 | 12.8 | 14.41 | 15.46 | 17.21 | 17.91 | |
r | min | 0,6 | 0,6 | 0,6 | 0,8 | 0,8 | 0,8 | 1 | 1 | 1 | 1 | 1 | 1.2 | |
s | maksimal = nominal o'lcham | 21 | 24 | 27 | 30 | 34 | 36 | 41 | 46 | 50 | 55 | 60 | 65 | |
A sinf | min | 20.67 | 23.67 | 26.67 | 29.67 | 33.38 | 35.38 | - | - | - | - | - | - | |
B sinf | min | 20.16 | 23.16 | 26.16 | 29.16 | 33 | 35 | 40 | 45 | 49 | 53.8 | 58.8 | 63.1 | |
Ip uzunligi b | - | - | - | - | - | - | - | - | - | - |
|
| ||
Vintli ip | (M45) | M48 | (M52) | M56 | (M60) | M64 |
|
|
|
|
|
| ||
P | Pitch | 4.5 | 5 | 5 | 5.5 | 5.5 | 6 |
|
|
|
|
|
| |
b | L≤125 | - | - | - | - | - | - |
|
|
|
|
|
| |
125<L≤200 | 102 | 108 | 116 | - | - | - |
|
|
|
|
|
| ||
L>200 | 115 | 121 | 129 | 137 | 145 | 153 |
|
|
|
|
|
| ||
c | maks | 1 | 1 | 1 | 1 | 1 | 1 |
|
|
|
|
|
| |
min | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
|
|
|
|
|
| ||
da | maks | 48.6 | 52.6 | 56.6 | 63 | 67 | 71 |
|
|
|
|
|
| |
ds | maksimal = nominal o'lcham | 45 | 48 | 52 | 56 | 60 | 64 |
|
|
|
|
|
| |
A sinf | min | - | - | - | - | - | - |
|
|
|
|
|
| |
B sinf | min | 44.38 | 47.38 | 51.26 | 55.26 | 59.26 | 63.26 |
|
|
|
|
|
| |
dw | A sinf | min | - | - | - | - | - | - |
|
|
|
|
|
|
B sinf | min | 64.7 | 69.45 | 74.2 | 78.66 | 83.41 | 88.16 |
|
|
|
|
|
| |
e | A sinf | min | - | - | - | - | - | - |
|
|
|
|
|
|
B sinf | min | 76,95 | 82.6 | 88.25 | 93.56 | 99.21 | 104.86 |
|
|
|
|
|
| |
L1 | maks | 8 | 10 | 10 | 12 | 12 | 13 |
|
|
|
|
|
| |
k | Nominal hajmi | 28 | 30 | 33 | 35 | 38 | 40 |
|
|
|
|
|
| |
A sinf | maks | - | - | - | - | - | - |
|
|
|
|
|
| |
min | - | - | - | - | - | - |
|
|
|
|
|
| ||
B sinf | maks | 28.42 | 30.42 | 33.5 | 35.5 | 38.5 | 40.5 |
|
|
|
|
|
| |
min | 27.58 | 29.58 | 32.5 | 34.5 | 37.5 | 39.5 |
|
|
|
|
|
| ||
k1 | A sinf | min | - | - | - | - | - | - |
|
|
|
|
|
|
B sinf | min | 19.31 | 20.71 | 22.75 | 24.15 | 26.25 | 27.65 |
|
|
|
|
|
| |
r | min | 1.2 | 1.6 | 1.6 | 2 | 2 | 2 |
|
|
|
|
|
| |
s | maksimal = nominal o'lcham | 70 | 75 | 80 | 85 | 90 | 95 |
|
|
|
|
|
| |
A sinf | min | - | - | - | - | - | - |
|
|
|
|
|
| |
B sinf | min | 68.1 | 73.1 | 78.1 | 82.8 | 87.8 | 92.8 |
|
|
|
|
|
| |
Ip uzunligi b | - | - | - | - | - | - |
|
|
|
|
|
Xususiyatlari va afzalliklari
DIN 6921 sanoat va qurilish dasturlarida keng qo'llaniladigan olti burchakli gardishli murvat turidir.Ushbu murvat o'rnatilgan yuvish vositasi sifatida ishlaydigan va yukni kengroq sirt maydoni bo'ylab taqsimlashga yordam beradigan gardishga ega.Boltning boshi olti burchakli shaklga ega va uni kalit yoki rozetka yordamida mahkamlash oson.
Ushbu murvat o'zining ajoyib mustahkamligi va chidamliligi tufayli mashinasozlik, avtomobil sanoati va qurilishda keng qo'llaniladi.U zanglamaydigan po'lat, titanium va karbonli po'lat kabi yuqori sifatli materiallardan tayyorlangan bo'lib, ular aşınma, korroziya va zangga uzoq muddatli qarshilik ko'rsatadi.
DIN 6921 murvatlari qattiq toleranslarda ishlab chiqariladi va ular sifat va ishlashning eng yuqori standartlariga javob berishini ta'minlash uchun qattiq sifat nazorati choralariga bo'ysunadi.Ushbu murvatlar turli xil ilovalar va talablarga mos keladigan o'lchamlar, uzunliklar va qoplamalarda mavjud.
Bundan tashqari, DIN 6921 murvatlari qat'iy sanoat standartlariga, jumladan DIN (Deutsches Institut für Normung) va ISO (Xalqaro standartlashtirish tashkiloti) standartlariga mos keladi.Ular, shuningdek, sotuvga chiqarilgunga qadar ularning qattiqligi, kuchlanish kuchi va o'lchov aniqligi uchun sinovdan o'tkaziladi.Bu omillarning barchasi DIN 6921 murvatining ajoyib sifati va ishonchli ishlashiga yordam beradi.
Umuman olganda, DIN 6921 murvati turli sohalarda qo'llaniladigan ko'p qirrali va mustahkam mahkamlash yechimidir.U mukammal ushlab turish quvvati, aşınma va yirtiqqa chidamlilik va o'rnatish qulayligini ta'minlash uchun mo'ljallangan.Uning yuqori sifatli qurilishi va sanoat standartlariga qat'iy rioya etilishi uni butun dunyo bo'ylab muhandislar, dizaynerlar va qurilish mutaxassislari uchun eng yaxshi tanlovga aylantiradi.