Kune 4 mhando dzehex nzungu dzinowanzoshandiswa:
1. GB/T 41-2016 “Type 1 Hex Nut Giredhi C”
2. GB/T 6170-2015 “Type 1 Hex Nut”
3. GB/T 6175-2016 “Type 2 Hex Nuts”
4. GB/T 6172.1-2016 “Hexagon Thin Nut”
Misiyano mikuru pakati penzungu ina dzinowanzo shandiswa ndedzinotevera:
1. Kureba kwenzungu kwakasiyana:
Zvinoenderana nezvinodiwa zveNational standard GB/T 3098.2-2015 "Mechanical Properties yeFasteners Nuts", kune marudzi matatu ehurefu hwenzungu:
——Type 2, yakakwira nzungu: kureba kushoma mmin≈0.9D kana >0.9D;
——Type 1, yakajairika nati: kureba kushoma mmin≈0.8D;
——Type 0, nzungu nhete: kureba kushoma 0.45D≤mmin<0.8D.
Cherechedza: D ndiyo dhayamita yezita reshinda ye nzungu.
Pakati pepamusoro mana anowanzo shandiswa nzungu:
GB/T 41-2016 “Type 1 Hex Nut Giredhi C” uye GB/T 6170-2015 “Type 1 Hex Nut” iType 1 yakajairika nzungu, uye hurefu hushoma hwenzungu immin≈0.8D.
GB/T 6175-2016 "Type 2 Hex Nuts" imhando 2 yakakwira nut, uye hurefu hwehurefu hwacho ndeye mmin≥0.9D.
GB/T 6172.1-2016 “Hexagon Thin Nut” imhando 0 nzungu dzakatetepa, uye hurefu hwenzungu i0.45D≤mmin＜0.8D.
2. Zvigadzirwa zvakasiyana siyana:
Magiredhi echigadzirwa chenzungu akakamurwa kuita A, B uye C mamakisi.Iwo magiredhi echigadzirwa anotemwa nehukuru hwekushivirira.Giredhi ndiro rakanyatsojeka uye giredhi reC ndiro rinenge rakaderera.
GB/T 41-2016 “Type 1 Hexagon Nuts Grade C” inotsanangura nzungu dzine giredhi C nemazvo.
GB/T 6170-2015 “Type 1 Hexagonal Nuts”, GB/T 6175-2016 “Type 2 Hexagonal Nuts” uye GB/T 6172.1-2016 “Hexagonal Thin Nuts” inotaura nzungu dzine giredhi A uye giredhi B nemazvo.
MuGB/T 6170-2015 “Type 1 Hexagonal Nuts”, GB/T 6175-2016 “Type 2 Hexagonal Nuts” uye GB/T 6172.1-2016 “Hexagonal Thin Nuts”, Giredhi A rinoshandiswa kune nzungu dzine D≤16mm;Grade B inoshandiswa kunzungu dzine D>16mm.
Zvinoenderana neiyo yenyika standard GB/T 3103.1-2002 "Fastener Tolerance Bolts, Screws, Studs and Nuts", iyo yemukati shinda yekushivirira giredhi yeA-level uye B-level precision nzungu ndeye "6H";Chiyero chekushivirira chetambo yemukati ndeye "7H";mamakisi ekushivirira emamwe mativi enzungu akasiyana zvichienderana nekurongeka kwemagiredhi A, B uye C.
3. Mhando dzakasiyana dzema mechanical properties
Zvinoenderana nezvinodiwa zveNational standard GB/T 3098.2-2015 "Mechanical Properties yeFastener Nuts", mabhaudhi akagadzirwa nekabhoni simbi uye alloy simbi ane 7 marudzi emakanika ekuita mamakisi pasi pemamiriro ezvakatipoteredza 10 ° C kusvika 35. °C.Iwo ari 04, 05, 5, 6, 8, 10, 12 zvichiteerana.
Zvinoenderana nezvinodiwa zveNational standard GB/T 3098.15-2014 "Mechanical Properties of Fasteners Stainless Steel Nuts", kana chiyero chezvakatipoteredza chiri 10 ° C kusvika 35 ° C, mamakisi ekuita kwenzungu dzakagadzirwa nesimbi isina tsvina inotsanangurwa sezvinotevera. :
Nzungu dzakagadzirwa ne austenitic stainless simbi (kusanganisira A1, A2, A3, A4, A5 mapoka) ane mechanical zvimiro zve 50, 70, 80 uye 025, 035, 040. (Cherechedza: The mechanical performance grade ye Stainless simbi nzungu inoumbwa nembiri. zvikamu, chikamu chekutanga chinoratidza boka resimbi, uye chikamu chechipiri chinoratidza giredhi rekuita, rakaparadzaniswa nemadheshi, akadai seA2-70, zvakafanana pazasi)
Nuts akagadzirwa nemartensitic Stainless simbi yeboka C1 ane mechanical property mamakisi e50, 70, 110 uye 025, 035, 055;
Nuts yakagadzirwa nemartensitic simbi isina tsvina yeboka C3 ine mechanical properties ye80 uye 040;
Nzungu dzakagadzirwa nemartensitic Stainless simbi yeboka C4 ine mechaniki zvivakwa mamakisi e50, 70 uye 025, 035.
Nzungu dzakagadzirwa neF1 boka ferritic simbi isina simbi ine mechaniki zvivakwa mamakisi e45, 60 uye 020, 030.
Zvinoenderana nezvinopihwa neNational standard GB/T 3098.10-1993 "Mechanical Properties of Fasteners - Mabhaudhi, Zvikurukuru, Matudhi uye Nuts Made of Non-ferrous Metals":
Nzungu dzakagadzirwa nemhangura nemhangura alloys dzine mechanical performance mamakisi: CU1, CU2, CU3, CU4, CU5, CU6, CU7;
Nzungu dzakagadzirwa nealuminium uye aruminiyamu alloys ane mechanic kuita mamakisi: AL1, AL2, AL3, AL4, AL5, AL6.
Iyo yenyika standard GB/T 41-2016 "Type 1 Hexagon Nut Giredhi C" inoshanda kune giredhi C hexagon nzungu ine tambo yakatarwa M5 ~ M64 uye giredhi rekuita 5.
Iyo yenyika standard GB/T 6170-2015 "Type 1 Hexagon Nut" inoshanda kune tambo yakatarwa M1.6~M64, magiredhi ekuita ari 6, 8, 10, A2-70, A4-70, A2-50, A4-50. , CU2 , CU3 uye AL4 giredhi A uye B hex nzungu.
Iyo yenyika standard GB/T 6175-2016 "Type 2 Hexagon Nuts" inoshanda kune giredhi A uye giredhi B hexagon mabhaudhi emusoro ane shinda yakatarwa M5~M36 uye kuita mamakisi 10 ne12.
Iyo yenyika standard GB/T 6172.1-2016 "Hexagon Thin Nut" inoshanda kune tambo yakatarwa M1.6~M64, magiredhi ekuita ari 04, 05, A2-025, A2-035, A2-50, A4-035, CU2, CU3 uye AL4 giredhi A uye B hexagonal nzungu nzungu.
Iyo yezita dhayamita renji inoenderana nerudzi rwenzungu uye giredhi rekuita inoratidzwa mutafura iri pazasi.
Nzungu dzakajairwa (rudzi rwekutanga) uye nzungu dzakakwirira (rudzi rwechipiri) dzakagadzirwa nekabhoni simbi uye alloy simbi dzinofanira kushandiswa nekunze dzakarukwa fasteners mutafura inotevera, uye nzungu dzine mazinga esimba epamusoro anogona kutsiva nzungu nemagiredhi ekuita mashoma.
Nzungu dzemhando (rudzi rwekutanga) ndidzo dzinoshandiswa zvakanyanya.
Nzungu dzakareba (rudzi rwechipiri) dzinowanzo shandiswa mukubatanidza kunoda kudzokororwa kakawanda.
Nzungu dzakatetepa (Type 0) dzine kutakura mitoro yakaderera pane yakajairwa kana kureba nzungu, saka haifanirwe kugadzirwa maanti-tripping application.
Nzungu dzakatetepa (mhando 0) dzinowanzo shandiswa mune kaviri-nzungu anti-kusunungura zvimiro.
Nguva yekutumira: Mar-06-2023