Akwai nau'ikan hex guda 4 da aka saba amfani da su:
1. GB/T 41-2016 "Nau'in 1 Hex Nut Grade C"
2. GB/T 6170-2015 "Nau'in 1 Hex Nut"
3. GB/T 6175-2016 "Nau'in 2 Hex Nuts"
4. GB/T 6172.1-2016 "Hexagon Thin Nut"
Babban bambance-bambance tsakanin goro guda hudu da aka fi amfani da su sune kamar haka:
1. Tsawon goro ya bambanta:
Dangane da tanade-tanaden ma'aunin GB/T 3098.2-2015 "Kayan aikin Injiniya na Kwayoyi", akwai nau'ikan tsayin goro guda uku:
——Nau'i na 2, babban goro: ƙaramin tsayi mmin≈0.9D ko>0.9D;
——Nau'i 1, daidaitaccen goro: ƙaramin tsayi mmin≈0.8D;
——Nau'i na 0, ƙwaya na bakin ciki: ƙaramin tsayi 0.45D≤mmmin<0.8D.
Lura: D shine ainihin diamita na zaren kwaya.
Daga cikin goro guda huɗu na sama da aka fi amfani da su:
GB/T 41-2016 "Nau'in 1 Hex Nut Grade C" da GB/T 6170-2015 "Nau'in 1 Hex Nut" sune Nau'in 1 daidaitattun kwayoyi, kuma mafi ƙarancin tsayin goro shine mmin≈0.8D.
GB/T 6175-2016 "Nau'in 2 Hex Nuts" nau'in goro ne mai girma na 2, kuma mafi ƙarancin tsayin goro shine mmin≥0.9D.
GB/T 6172.1-2016 “Hexagon Thin Nut” nau’in goro ne na bakin ciki 0, kuma mafi ƙarancin tsayin goro shine 0.45D≤mmin＜0.8D.
2. Matsayin samfur daban-daban:
An raba darajar samfuran goro zuwa maki A, B da C.An ƙayyade ƙimar samfurin ta girman haƙuri.Maki shine mafi daidaito kuma darajar C shine mafi ƙarancin daidaito.
GB/T 41-2016 "Nau'in 1 Hexagon Nuts Grade C" yana ƙayyadaddun kwayoyi tare da madaidaicin darajar C.
GB/T 6170-2015 "Nau'in 1 Hexagonal Kwayoyi", GB/T 6175-2016 "Nau'in 2 Hexagonal Nuts" da GB / T 6172.1-2016 "Hexagonal Thin Nuts" ya ƙayyade kwayoyi tare da darajar A da kuma darajar B.
A cikin GB / T 6170-2015 "Nau'in 1 Hexagonal Nuts", GB / T 6175-2016 "Nau'in 2 Hexagonal Nuts" da GB / T 6172.1-2016 "Hexagonal Thin Nuts", Ana amfani da Grade A don kwayoyi tare da D≤16mm;Ana amfani da darajar B don kwayoyi tare da D> 16mm.
A cewar ka'idar kasa ta kasa GB / T 3103.1-2002 "Tsoro mai haƙuri na fasts, studs da kwayoyi mai haƙuri da kwayoyi da kwayoyi masu haƙuri shine" 6h ";Matsayin haƙuri na zaren ciki shine "7H";Makin haƙuri na sauran nau'ikan goro ya bambanta bisa ga daidaiton maki A, B da C.
3. Daban-daban maki na inji Properties
Bisa ga tanadi na kasa misali GB/T 3098.2-2015 "Mechanical Properties na Fastener Kwayoyi", kusoshi sanya daga carbon karfe da gami karfe da 7 nau'i na inji yi maki a karkashin yanayin muhalli girma na 10 ° C zuwa 35 °C.Su ne 04, 05, 5, 6, 8, 10, 12 bi da bi.
Dangane da tanade-tanaden ma'aunin GB/T na kasa 3098.15-2014 “Kayan aikin Injini na Fasteners Bakin Karfe Kwayoyi”, lokacin da yanayin muhalli ya kasance 10°C zuwa 35°C, an ayyana matakan aikin goro na bakin karfe kamar haka :
Kwayoyin da aka yi da bakin karfe austenitic (ciki har da A1, A2, A3, A4, A5 kungiyoyin) suna da kaddarorin inji na 50, 70, 80 da 025, 035, 040. sassa, kashi na farko yana alamar rukunin karfe, sashi na biyu kuma yana nuna alamar wasan kwaikwayon, wanda aka raba ta dashes, kamar A2-70, iri ɗaya a ƙasa)
Kwayoyi da aka yi da bakin karfe na martensitic na rukunin C1 suna da maki mallakar injiniyoyi na 50, 70, 110 da 025, 035, 055;
Kwayoyi da aka yi da bakin karfe na martensitic na rukunin C3 suna da kaddarorin inji na 80 da 040;
Kwayoyin da aka yi da bakin karfe na martensitic na rukunin C4 suna da maki mallakar injiniyoyi na 50, 70 da 025, 035.
Kwayoyin da aka yi da rukunin F1 ferritic bakin karfe suna da maki mallakar injiniyoyi na 45, 60 da 020, 030.
Dangane da tanade-tanaden ma'aunin GB/T 3098.10-1993 “Ayyukan Injini na Fasteners – Bolts, Screws, Studs and Nuts made of Non-ferrous Metals”:
Kwayoyin da aka yi da jan karfe da gami da jan ƙarfe suna da matakan aikin injiniya: CU1, CU2, CU3, CU4, CU5, CU6, CU7;
Kwayoyin da aka yi da aluminum da aluminum gami suna da matakan aikin injiniya: AL1, AL2, AL3, AL4, AL5, AL6.
Ma'auni na ƙasa GB/T 41-2016 "Nau'in 1 Hexagon Nut Grade C" ya dace da matakin C hexagon kwayoyi tare da ƙayyadaddun zaren M5 ~ M64 da aikin aiki na 5.
Ma'auni na ƙasa GB/T 6170-2015 "Nau'in 1 Hexagon Nut" yana dacewa da ƙayyadaddun zaren M1.6 ~ M64, matakan aiki sune 6, 8, 10, A2-70, A4-70, A2-50, A4-50 , CU2 , CU3 da AL4 maki A da B hex kwayoyi.
Ma'auni na ƙasa GB/T 6175-2016 "Nau'in 2 Hexagon Nuts" ya dace da matakin A da na B hexagon head bolts tare da ƙayyadaddun zaren M5 ~ M36 da matakan aiki 10 da 12.
Ma'auni na ƙasa GB/T 6172.1-2016 "Hexagon Thin Nut" yana dacewa da ƙayyadaddun zaren M1.6 ~ M64, matakan aiki sune 04, 05, A2-025, A2-035, A2-50, A4-035, CU2, CU3 da AL4 aji A da B siraren hexagonal.
Ana nuna kewayon diamita na ƙididdiga daidai da nau'in goro da darajar aiki a cikin tebur da ke ƙasa.
Ya kamata a yi amfani da daidaitattun kwayoyi (nau'in 1) da manyan kwayoyi (nau'in 2) da aka yi da ƙarfe na carbon da ƙarfe na ƙarfe tare da maɗauran zaren waje a cikin tebur mai zuwa, kuma goro tare da matakan ƙarfin aiki mafi girma na iya maye gurbin kwayoyi tare da ƙananan matakan aiki.
Daidaitaccen goro (nau'in 1) sune aka fi amfani da su.
Dogayen goro (nau'in 2) gabaɗaya ana amfani da su a cikin haɗin gwiwa waɗanda ke buƙatar rarrabuwa akai-akai.
Kwayoyi masu bakin ciki (Nau'in 0) suna da ƙarancin ɗaukar nauyi fiye da daidaitattun goro ko tsayi, don haka bai kamata a tsara su don aikace-aikacen hana tashin hankali ba.
Nau'in ƙwaya (nau'in 0) gabaɗaya ana amfani da su a cikin sifofin hana sako-sako na goro biyu.
Lokacin aikawa: Maris-06-2023