Enwere ụdị mkpụrụ hex anọ a na-ejikarị:
1. GB/T 41-2016 "Ụdị 1 Hex Nut Grade C"
2. GB/T 6170-2015 "Ụdị 1 Hex Nut"
3. GB/T 6175-2016 "Ụdị 2 Hex Nuts"
4. GB/T 6172.1-2016 "Hexagon Mkpa Nut"
Isi ihe dị iche n'etiti mkpụrụ anọ a na-ejikarị eme ihe bụ ndị a:
1. Akụ dị elu dị iche iche:
Dị ka ndokwa nke mba ọkọlọtọ GB/T 3098.2-2015 "Mechanical Properties of fasteners Nuts", e nwere atọ ụdị nut elu:
——ụdị 2, aku dị elu: opekempe ịdị elu mmin≈0.9D ma ọ bụ>0.9D;
——ụdị 1, ọkọlọtọ nut: kacha nta ịdị elu mmin≈0.8D;
——Ụdị 0, akpụrụ dị mkpa: ịdị elu kacha nta 0.45D≤mmn<0.8D.
Mara: D bụ dayameta aha nke eri nut.
N'ime mkpụrụ akụ anọ ndị a na-ejikarị eme ihe:
GB/T 41-2016 "Ụdị 1 Hex Nut Grade C" na GB/T 6170-2015 "Ụdị 1 Hex Nut" bụ Ụdị 1 ọkọlọtọ mkpụrụ, na kacha nta dị elu nke nut bụ mmin≈0.8D.
GB/T 6175-2016 "Ụdị 2 Hex Nuts" bụ ụdị 2 dị elu nut, na kacha nta dị elu nke nut bụ mmin≥0.9D.
GB/T 6172.1-2016 "Hexagon Thin Nut" bụ ụdị 0 dị mkpa, na opekempe ịdị elu nke nut bụ 0.45D≤mmin＜0.8D.
2. Ọkwa ngwaahịa dị iche iche:
A na-ekewa akara ule nke mkpụrụ n'ime akara A, B na C.A na-ekpebi akara akara ngwaahịa site na nha nnabata.Otu akara bụ nke kacha zie ezie na ọkwa C kacha nta ziri ezi.
GB/T 41-2016 "Ụdị 1 Hexagon Nuts Grade C" na-akọwapụta mkpụrụ na ọkwa C nkenke.
GB.
Na GB / T 6170-2015 "Ụdị 1 Hexagonal Nuts", GB / T 6175-2016 "Ụdị 2 Hexagonal Nuts" na GB / T 6172.1-2016 "Hexagonal Thin Nuts", A na-eji ọkwa A maka mkpụrụ na D≤16mm;A na-eji ọkwa B maka mkpụrụ nwere D>16mm.
Dị ka mba ọkọlọtọ GB/T 3103.1-2002 "Fastener Tolerance Bolts, Screws, Studs and Nuts", na esịtidem eri ndidi akara ọkwa nke A-larịị na B-larịị ziri ezi mkpụrụ bụ "6H";Ọkwa nnabata nke eriri ime bụ "7H";ogo nnabata nke akụkụ ndị ọzọ nke mkpụrụ osisi dị iche iche dịka izi ezi nke akara ule A, B na C.
3. Ọkwa dị iche iche nke akụrụngwa akụrụngwa
Dị ka ndokwa nke mba ọkọlọtọ GB/T 3098.2-2015 "Mechanical Properties of Fastener Nuts", bolts mere nke carbon ígwè na alloy ígwè nwere 7 ụdị n'ibu arụmọrụ akara ule n'okpuru ọnọdụ nke gburugburu ebe obibi akụkụ nke 10 ° C ka 35 Celsius C.Ha bụ 04, 05, 5, 6, 8, 10, 12 n'otu n'otu.
Dị ka ndokwa nke mba ọkọlọtọ GB/T 3098.15-2014 "Mechanical Properties of fasteners Stainless Steel Nuts", mgbe gburugburu ebe obibi akụkụ bụ 10 ° C na 35 ° C, arụmọrụ akara ule nke mkpụrụ mere nke igwe anaghị agba nchara dị ka ndị a. :
Akụ mere nke austenitic igwe anaghị agba nchara (gụnyere A1, A2, A3, A4, A5 otu) nwere n'ibu Njirimara nke 50, 70, 80 na 025, 035, 040. (Cheta: The n'ibu arụmọrụ ọkwa nke igwe anaghị agba nchara akụ na-emi esịnede abụọ. akụkụ, akụkụ nke mbụ na-aka akara igwe nchara, akụkụ nke abụọ na-egosi ọkwa arụmọrụ, nkewapụrụ site na dashes, dị ka A2-70, otu n'okpuru)
Akụ mere martensitic igwe anaghị agba nchara nke otu C1 nwere n'ibu Njirimara akara ule nke 50, 70, 110 na 025, 035, 055;
Akụ mere martensitic igwe anaghị agba nchara nke otu C3 nwere n'ibu Njirimara nke 80 na 040;
Akụ nke martensitic igwe anaghị agba nchara nke otu C4 nwere akara akara akụrụngwa nke 50, 70 na 025, 035.
Akụ nke F1 otu ferritic igwe anaghị agba nchara nwere akara akara akụrụngwa nke 45, 60 na 020, 030.
Dị ka ndokwa nke mba ọkọlọtọ GB/T 3098.10-1993 "Mechanical Properties of fasteners - Bolts, Screws, Studs and Nuts Mere of Non-ferrous Metals":
Akụ nke ọla kọpa na ọla kọpa alloys mere nwere akara arụmọrụ arụ ọrụ: CU1, CU2, CU3, CU4, CU5, CU6, CU7;
Akụ mere nke aluminum na aluminum alloys nwere n'ibu arụmọrụ akara ule: AL1, AL2, AL3, AL4, AL5, AL6.
Ọkọlọtọ mba GB/T 41-2016 “Ụdị 1 Hexagon Nut Grade C” dị na ọkwa C hexagon mkpụrụ nwere nkọwa eri M5 ~ M64 na ọkwa arụmọrụ 5.
The mba ọkọlọtọ GB/T 6170-2015 "Ụdị 1 Hexagon Nut" bụ ọdabara na eri nkọwapụta M1.6 ~ M64, arụmọrụ akara ule bụ 6, 8, 10, A2-70, A4-70, A2-50, A4-50 , CU2 , CU3 na AL4 grade A na B hex nuts.
Ọkọlọtọ mba GB/T 6175-2016 “Ụdị 2 Hexagon Nuts” dị na ọkwa A na ọkwa B hexagon isi bolts nwere nkọwa eri M5 ~ M36 na akara ngosi 10 na 12.
The mba ọkọlọtọ GB/T 6172.1-2016 "Hexagon Thin Nut" bụ ọdabara na eri nkọwa M1.6 ~ M64, arụmọrụ akara ule bụ 04, 05, A2-025, A2-035, A2-50, A4-035, CU2, CU3 na AL4 ọkwa A na B hexagonal mkpa mkpụrụ.
Oke dayameta aha n'aha dabara na ụdị nut na ọkwa arụmọrụ ka egosiri na tebụl dị n'okpuru.
Standard mkpụrụ (ụdị 1) na elu mkpụrụ (ụdị 2) mere nke carbon ígwè na alloy ígwè kwesịrị iji na mpụga threaded fasteners na-esonụ table, na mkpụrụ na elu arụmọrụ ike etoju nwere ike dochie mkpụrụ na ala arụmọrụ akara ule.
Akụ ọkọlọtọ (ụdị 1) bụ nke a na-ejikarị eme ihe.
A na-ejikarị mkpụrụ osisi toro ogologo (ụdị 2) eme ihe na njikọ na-achọ ịkwasa ugboro ugboro.
Mkpụrụ dị obere (ụdị 0) nwere ikike ibu ibu dị ala karịa ọkọlọtọ ma ọ bụ mkpụrụ toro ogologo, yabụ na ekwesighi ịmebe ha maka ngwa mgbochi mgbochi.
A na-ejikarị mkpụrụ osisi dị nro (ụdị 0) eme ihe n'ụdị mgbochi-atọpụ abụọ.
Oge nzipu: Mar-06-2023