Enwere bolts hexagon anọ a na-ejikarị:
1. GB/T 5780-2016 "Hexagon Isi Bolts Klas C"
2. GB/T 5781-2016 "Hexagon isi bolts na zuru eri C ọkwa"
3. GB/T 5782-2016 "Hexagon Isi Bolts"
4. GB/T 5783-2016 "Hexagon isi bolts na zuru eri"
Isi ihe dị iche n'etiti bolts anọ a na-ejikarị eme ihe bụ ndị a:
1. Ogologo eriri dị iche iche:
Ogologo eriri nke bolt bụ eri zuru oke na eri anaghị ezu oke.
N'ime bolts anọ ndị a na-ejikarị eme ihe
GB/T 5780-2016 "Hexagon Head Bolts Class C" na GB/T 5782-2016 "Hexagon Head Bolts" bụ ihe na-abụghị eriri eriri.
GB/T 5781-2016 "Hexagon Head Bolts Full Thread Class C" na GB/T 5783-2016 "Hexagon Head Bolts Full Thread" bụ eriri eriri zuru oke.
GB/T 5781-2016 "Hexagon Head Bolts Full Thread Grade C" bụ otu ihe ahụ dị ka GB/T 5780-2016 "Hexagon Head Bolts Grade C" ma e wezụga na ngwaahịa ahụ bụ nke zuru eri.
GB/T 5783-2016 "Hexagon isi bolts na zuru eri" bụ otu ihe ahụ dị ka GB/T 5782-2016 "Hexagon isi bolts" ma e wezụga na ngwaahịa na-mere nke zuru eri na nominal ogologo nke họọrọ ogologo nkọwa bụ ruo. 200mm.
Ya mere, na nyocha na-esonụ, ọ dị mkpa naanị iji kwurịta ọdịiche dị n'etiti GB / T 5780-2016 "Hexagon Head Bolts Class C" na GB / T 5782-2016 "Hexagon Head Bolts".
2. Ọkwa ngwaahịa dị iche iche:
A na-ekewa akara akara ngwaahịa nke bolts na akara A, B na C. A na-ekpebi ọkwa ngwaahịa site na nha nnabata. Otu akara bụ nke kacha zie ezie, na C ọkwa kacha nta ziri ezi.
GB/T 5780-2016 "Hexagon isi bolts C ọkwa" na-akọwapụta bolts nkenke ọkwa C.
GB/T 5782-2016 "Hexagon isi bolts" na-akọwapụta bolts na ọkwa A na ọkwa B nkenke.
Na GB / T 5782-2016 "Hexagon Head Bolts", A na-eji ọkwa A maka bolts na d=1.6mm～24mm na l≤10d ma ọ bụ l≤150mm (dị ka obere uru); A na-eji ọkwa B maka bolts na d>24mm ma ọ bụ Bolts nwere l> 10d ma ọ bụ l> 150mm (nke ọ bụla dị obere).
Dị ka mba ọkọlọtọ GB/T 3103.1-2002 "Tolerance Bolts, kposara, Studs na Nuts maka fasteners", mpụga eri ndidi ọkwa nke bolts na ọkwa A na B nkenke bụ "6g"; Ogo nnabata nke eriri mpụga bụ "8g"; Ọkwa ntachi obi ndị ọzọ nke bolts dịgasị iche dabere na izi ezi nke akararị A, B na C.
3. Njirimara igwe dị iche iche:
Dị ka ndokwa nke mba ọkọlọtọ GB / T 3098.1-2010 "Mechanical Properties nke fasteners Bolts, kposara na studs", na n'ibu Njirimara nke bolts mere nke carbon ígwè na alloy ígwè n'okpuru ọnọdụ nke gburugburu ebe obibi akụkụ nke 10 ℃ ~ 35 ℃ Enwere ọkwa 10, 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 9.8, 10.9, 12.9, 12.9.
Dị ka ndokwa nke mba ọkọlọtọ GB / T 3098.6-2014 "Mechanical Properties nke fasteners - igwe anaghị agba nchara bolts, kposara na Studs", n'okpuru ọnọdụ nke gburugburu ebe obibi akụkụ nke 10 ℃～35 ℃, arụmọrụ akara ule nke bolts mere nke igwe anaghị agba nchara. steel bụ ndị a:
Bolts mere nke austenitic igwe anaghị agba nchara (gụnyere A1, A2, A3, A4, A5 otu) nwere n'ibu ihe onwunwe klas 50, 70, 80. (Cheta: The n'ibu ihe onwunwe ọkwa akara nke igwe anaghị agba nchara bolts mejupụtara abụọ akụkụ, nke mbụ akụkụ akara. otu ígwè, na akụkụ nke abụọ na-egosi ọkwa arụmọrụ, nkewapụrụ site na dashes, dị ka A2-70, otu n'okpuru)
Bolts mere nke C1 otu martensitic igwe anaghị agba nchara nwere usoro ihe onwunwe akara akara nke 50, 70, na 110;
Bolts mere nke C3 otu martensitic igwe anaghị agba nchara nwere a n'ibu ihe onwunwe klas nke 80;
Bolts mere nke C4 otu martensitic igwe anaghị agba nchara nwere akara akụrụngwa akụrụngwa nke 50 na 70.
Bolts mere nke F1 martensitic igwe anaghị agba nchara nwere ihe eji arụ ọrụ akara akara 45 na 60.
Dị ka mba ọkọlọtọ GB/T 3098.10-1993 "Mechanical Njirimara nke fasteners - Bolts, kposara, studs na mkpụrụ mere nke na-abụghị ferrous ọla":
The n'ibu Njirimara nke bolts mere ọla kọpa na ọla kọpa alloys bụ: CU1, CU2, CU3, CU4, CU5, CU6, CU7;
Ihe eji arụ ọrụ nke bolts mere nke aluminom na aluminom alloys bụ: AL1, AL2, AL3, AL4, AL5, AL6.
Ọkọlọtọ mba GB/T 5780-2016 "Klas C Hexagon Head Bolts" dabara maka C ọkwa hexagon isi bolts nwere nkọwa eri M5 ruo M64 na akara arụmọrụ 4.6 na 4.8.
The mba ọkọlọtọ GB/T 5782-2016 "Hexagon isi bolts" kwesịrị ekwesị maka eri nkọwa M1.6～M64, na arụmọrụ akara ule bụ 5.6, 8.8, 9.8, 10.9, A2-70, A4-70, A2-50, A4-50, ọkwa A na B hex bolts maka CU2, CU3 na AL4.
Ihe dị n'elu bụ isi ihe dị iche n'etiti 4 ndị a na-ejikarị bolts.
N'ime ngwa bara uru, enwere ike iji bolts zuru ezu karịa nke na-enweghị eriri na-arụ ọrụ nke ọma, na-arụ ọrụ ọkwa ọkwa dị elu kama iji obere ọkwa ọkwa dị ala.
Otú ọ dị, bolts ndị nwere eriri zuru ezu nke otu nkọwa dị oke ọnụ karịa bolts na-enweghị eriri zuru ezu, na akara ngosi dị elu dị oke ọnụ karịa akara ngosi dị ala.
Ya mere, n'oge nkịtị, a ga-ahọrọ bolts dị ka mkpa dị n'ezie, na naanị n'oge pụrụ iche kwesịrị "dochie mmejọ niile" ma ọ bụ "dochie elu na lows".
Oge nzipu: Ọktoba 20-2022