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Болты с полной и неполной резьбой: руководстvо
2026-06-11
Mgbe ị na-enweta bolts, skru, na ngwa ngwa maka owuwu, igwe, ma ọ bụ ọrụ akụrụngwa, otu nkọwa dị oke mkpa a na-elegharakarị anya bụ nhazi nke eriri. Ị ga-ahọrọ eriri zuru oke ma ọ bụ eriri nke nwere akụkụ (ọkara eriri)? Azịza ya na-emetụta nke ukwuu ike nkwonkwo, arụmọrụ mgbakọ na ogologo oge. Edemede a na-akọwapụta isi ihe dị iche iche ma na-enye nduzi bara uru maka ndị injinia, ndị na-ahụ maka ịzụ ahịa, na ndị na-akọwapụta ọrụ.
Isi okwu kpuchie: bolts, skru, fasteners, full thread bolts, partial thread bolts, hex bolts, stud bolts, heavy hex bolts, threaded stick, anti-corrosion fasteners, hot-mip galvanized bolts, dacromet mkpuchi bolts.
1. Mgbe a ga-eji eriri eriri zuru oke
Ngwunye eri zuru oke na-eme nke ọma na ngwa ebe achọrọ njikọ eri kacha. Nke a bụ ọnọdụ ndapụta mbụ:
Mgbakọ obere mgbidi: Mgbe ị na-akụchi efere, mpempe akwụkwọ, ma ọ bụ ihe ndị dị mkpa ebe ngụkọta njide ogologo dị mkpụmkpụ, eri zuru oke na-eme ka njikọ aka zuru oke maka ịgbatị ike.
Njikọ oghere enwetara: Mgbe eriri eriri na-abanye ozugbo n'ime oghere enwetara (threaded) kama iji akị, eri zuru oke na-enye ike njide kacha n'ime omimi ihe dị.
Ndozi na ịmachi: N'ime ihe ndozi, jigs, na mgbakọ a na-agbanwe agbanwe ebe bolt na-arụ ọrụ dị ka ihe njide ma ọ bụ ndonye, eriri zuru ezu na-enye ohere mgbanwe na-aga n'ihu n'ogologo dum.
Njikọ Shear-Karịrị: Na njikọ ebe bolt bụ isi na-eguzogide ndị agha shear kama ibu ibu tensile, eri zuru oke na-arụ ọrụ nke ọma n'ihi na eriri eriri na-ejikọta ya na ndị otu abụọ jikọtara ọnụ.
Ihe nkwụnye obere dayameta (
2. Mgbe a ga-eji obere eriri eriri
Ihe mgbochi eriri akụkụ bụ nhọrọ kacha mma mgbe iguzosi ike n'ezi ihe na-adabere na mbufe ibu ziri ezi site na bolt shank. Ihe ndapụta ngwa gụnyere:
Njikọ Steel Ọdịdị: Ihe mkpuchi hex siri ike (ASTM A325, A490, A193 B7) eji n'ime ụlọ, àkwà mmiri, na ụlọ elu chọrọ ka ọkpụkpụ dị larịị iji guzogide shisie na ụgbọ elu njikọ. Akụkụ njide na-enweghị eriri na-enye elu nke nwere dayameta zuru oke, dị oke mkpa maka njikọ dị egwu na-amị amị.
Ọgba aghara dị elu (> Ogologo 100 mm): Maka bolts karịrị 100 mm, eriri akụkụ na-ebelata nrụgide nrụgide na mgbọrọgwụ eri n'ime ụgbọ elu shear. Ọkpụkpọ ahụ dị nro na-ekesa ike nke ọma n'ofe ndị otu nkwonkwo.
Mgbakọ ọkpọkọ na flange: Flange bolts (DIN 6921, ASME B18.2.1) na-eji eri ele mmadụ anya n'ihu na-edobe izi ezi na njikọ flange. Shank na-arụ ọrụ dị ka ebe a na-achọta dowel, na-egbochi mmegharị n'etiti flanges n'okpuru ịgba ígwè nrụgide.
Ibu na-agbanwe agbanwe na dị egwu: N'ime igwe nwere vibration ma ọ bụ cyclic loading, na unthreaded shank na-egbochi iwe iwe ma na-ebelata ihe ize ndụ nke ike ọgwụgwụ mgbawa mmalite na eri mgbọrọgwụ.
Ngwa mgbochi corrosion: Maka galvanized na-ekpo ọkụ (HDG), dacromet, ma ọ bụ mkpuchi mkpuchi PTFE, shank dị nro na-anabata mkpuchi n'otu n'otu karịa ngalaba eri, na-enye nchebe corrosion dị elu na mpaghara dị oke egwu.
Akụrụngwa dị arọ na Ngwuputa Ngwuputa: bolts ike dị elu (Grade 8.8, 10.9, 12.9) na ndị na-egwupụta ihe, ndị na-etipịa ihe, na sistemu ihe na-ebufe na-adabere n'ichepụta eri akụkụ iji na-ejikwa nhịahụ jikọtara ọnụ na ibu tensile na gburugburu ebe siri ike.
3. Ntụle ngwa ngwa: Eriri zuru oke vs. eriri akụkụ
| Usoro | Bolt eriri zuru oke | Ihe mkpuchi akụkụ akụkụ |
| Ogologo Ogologo | <100mm (ọkọlọtọ) | ≥ 100 mm (ọkọlọtọ) |
| Mkpuchi eri | 100% nke afọ | 40-60% nke mkpụrụ osisi |
| Nguzogide Shia | N'okpuru (nke gbadara ala) | Nke dị elu (dayameta nchara zuru ezu) |
| Nhazi nkenke | Na-agafeghị oke | Ọ dị mma (ntụgharị dị ka dowel) |
| Oke mmezi | Ogologo zuru oke | Naanị akụkụ eriri |
| Ịrụ ọrụ ike ọgwụgwụ | Na-agafeghị oke | Kamma (enweghị eriri na mpaghara ibu) |
| Ịdị n'otu mkpuchi mkpuchi | Ọ dị mma na eri | Kachasị mma na shank dị nro |
| Kachasị mma maka | Na-amachi, oghere oghere, ukpụhọde, obere fasteners | Nhazi, ọkpọkọ, ike ibu, ngwá ọrụ dị arọ |
. Ọkwa ihe na ọgwụgwọ elu
FUJINRUI na-enye ma eriri zuru oke na eriri akụkụ n'ofe ọtụtụ akara ule:
- Ọkwa 4.8 / 8.8 (Q235, Q355B, Q355D carbon ígwè) - ọkọlọtọ nhazi ngwa
- Ọkwa 10.9 / 12.9 (40Cr, 35CrMo alloy steel) - ike dị elu
- Igwe anaghị agba nchara A2/A4 (304, 316) - gburugburu na-emebi emebi
Nhọrọ mkpuchi mgbochi corrosion gụnyere:
- Hot-Dip Galvanized (HDG) - ọrụ dị arọ n'èzí na gburugburu mmiri
- Dacromet / Geomet - nguzogide corrosion kacha elu na-enweghị ihe egwu embrittlement hydrogen
- PTFE / Xylan - kemịkalụ na nguzogide oke okpomọkụ
5. Ime nhọrọ ziri ezi
Mkpebi dị n'etiti eriri zuru ezu na eriri eriri akụkụ na-agbadata na isi ihe ole na ole: ụdị nkwonkwo (oghere tapped vs. site-bolt), ogologo bolt (n'elu ma ọ bụ n'okpuru 100 mm), ntụziaka ibu (shiee vs. esemokwu), na ọnọdụ gburugburu ebe obibi. Mgbe ị na-enwe obi abụọ, lelee ọkọlọtọ dabara adaba (ISO, DIN, ASTM) maka ngwa gị akọwapụtara, ma ọ bụ kpọtụrụ ndị otu injinia maka nkwado teknụzụ.
Na FUJINRUI, anyị na-arụpụta na mbupụ mgbochi corrosion fasteners - gụnyere abụọ-njedebe studs, hex bolts, flange bolts, nuts, na washers - na ma zuru eri na akụkụ nke eri nhazi. Ngwaahịa anyị na-ejere ndị ahịa ahịa n'ofe Ndịda Ebe Ọwụwa Anyanwụ Eshia, Middle East, Europe, na America na mpaghara gụnyere ihe owuwu, petrochemical, ike, na igwe dị arọ.
Свяжитесь с компанией FUJINRUI.
© 2026 FUJINRUI Fastener Co., Ltd. Ngwa ngwa ngwa. Данная статья носит информационный характер
