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Болты с полной и неполной резьбой: руководство
2026-06-11
Marka la soo saarayo boolal, boolal, iyo xirxirayaasha dhismaha, mishiinada, ama mashaariicda kaabayaasha, hal qeexid oo muhiim ah oo inta badan la ilduufo waa qaabeynta dunta. Ma waxaad dooran kartaa xadhig si buuxda u xidhan ama qayb qayb ka mid ah dunta (dudhka badh)? Jawaabtu waxay si weyn u saamaysaa xoogga wadajirka ah, hufnaanta isu-ururinta, iyo cimri dhererka muddada dheer. Maqaalkani wuxuu caddaynayaa kala duwanaanshaha muhiimka ah wuxuuna bixiyaa hagitaan wax ku ool ah injineerada, maareeyayaasha wax soo iibsiga, iyo qeexayaasha mashruuca.
Erayada muhiimka ah ee la daboolay: boolal, boolal, xirxirayaal, xargaha dunta oo buuxa, xargaha dunta qayb ahaan, boolal hex, boolal hex culus, ulo dunsan, xidheyaal-ka-hortagga daxalka, boolal galvanized-kulul, boolal dacromet leh.
1. Goorta La Isticmaali Karo Xargaha Buuxda
Xirmooyinka dunta buuxda ayaa aad ugu fiican codsiyada halka ugu badnaan looga baahan yahay ka qaybgalka dunta. Waa kuwan xaaladaha aasaasiga ah:
Shirarka gidaarka-dhuuban: Marka la isku dhejiyo taarikada khafiifka ah, xaashida, ama qaybaha halka dhererka xajintu uu gaaban yahay, dunta buuxda waxay hubisaa ka qaybgalka ku habboon ee adkeynta qulqulka habboon.
Xidhiidhada daloolka la taabtay: Marka duntu si toos ah u gasho dalool la taabtay halkii la isticmaali lahaa lowska, dunta buuxda waxay siinaysaa awoodda ugu badan ee haynta gudaha qoto dheer ee walxaha la heli karo.
Hagaajinta iyo Isku-qabsiga: Qalabka, jigsiyada, iyo shirarka la hagaajin karo halkaasoo boodhku u shaqeeyo sidii wax isku dhejinta ama meelaynta, dunta buuxda waxay ogolaataa hagaajin joogto ah oo dhererka oo dhan ah.
Isku-dhafka Shear-Dominant: Xidhiidhada halka boolalku ay ugu horrayn iska caabiyaan xoogaga dhogorta halkii ay ka ahaan lahaayeen culaysyada xajinta, dunta buuxda ayaa si fiican u shaqeysa sababta oo ah qaybta duntu waxay si buuxda ula shaqaysaa labada xubnood ee ku biiray.
Xidhayaasha Dhexroor-yar (
2. Goorta la Isticmaalayo Bolts-ka Qaybaha ah
Xirmooyinka dunta qayb ka mid ah ayaa ah doorashada la door bidayo marka daacadnimada wadajirka ah ay ku xiran tahay wareejinta saxda ah ee saabka birta. Xaaladaha codsiga muhiimka ah waxaa ka mid ah:
Isku xirka Birta Dhismeed: Boolal hex culus (ASTM A325, A490, A193 B7) ee loo isticmaalo dhismayaasha, buundooyinka, iyo munaaradaha waxay u baahan yihiin jeex siman si ay isaga caabiyaan dhogorta diyaaradda wadajirka ah. Qaybta qabsashada aan la daabicin ayaa bixisa dhexroor buuxa oo dhan, oo muhiim u ah isku xirka simbiriirixiinta.
Bolting-Xiisad Sare (> Dhererka 100 mm): Boolal ka badan 100 mm, dunta qayb ka mid ah waxay yaraynaysaa feejignaanta diilinta dunta diyaaradda xiirta. Gacan-ku-jilicsan wuxuu u qaybiyaa xoogga isku-xidhka si siman xubnaha wadajirka ah.
Isku-duwayaasha Tuubooyinka iyo Flange: Dhalooyinka Flange (DIN 6921, ASME B18.2.1) waxay isticmaalaan dunta qayb ahaan si ay u ilaaliyaan saxnaanta isku xidhka flangeska. Shankku waxa uu u shaqeeyaa sidii dool-helidda, isaga oo ka hortagaya dhaqdhaqaaqa qaraabada ah ee u dhexeeya garabyada marka cadaadisku saaran yahay baaskiil wadida.
Wareegtada iyo Xamuulka firfircoon: Mashiinnada gariirka leh ama rarka wareegta ah, jeexjeexa aan la faafin ayaa ka hortagaya xirashada xanaaqa waxayna yaraynaysaa halista dillaaca daalka ee xididdada dunta.
Codsiyada ka-hortagga daxalka: Galvanized hot-dip galvanized (HDG), dacromet, ama boolal PTFE-dahaarka leh, suufka siman wuxuu aqbalaa daaha si ka sii siman marka loo eego qaybaha dunta leh, isagoo siinaya ilaalin sare oo daxalka aagga culeyska xambaarsan.
Qalabka Culus iyo Macdanta: Boolal-xoog-sare ah (Fasalka 8.8, 10.9, 12.9) ee qodayaasha, burburinta, iyo hababka wax-qaadista waxay ku tiirsan yihiin naqshadaynta dunta qayb ahaan si ay u maareeyaan culaysyada xiirta iyo xajinta ee isku dhafan ee deegaan adag.
3. Isbarbardhigga Degdegga ah: Xarig Buuxa vs. Qayb Qayb ah
| Shuruudaha | Xarig buuxa Bolt | Xarig Qaybeed Bolt |
| Dhererka caadiga ah | <100 mm (heer) | ≥ 100 mm (standard) |
| Daboolista Xadhkaha | 100% ka mid ah shank | 40-60% ka mid ah hilibka lo'da |
| Iska caabin xiiran | Hoose (la dhimay qaybta iskutallaabta) | Sare (dhexroor jeex ah oo buuxa) |
| Saxnaanta Toosan | Dhexdhexaad | Aad u fiican (Shak sida dowel) |
| Qiyaasta hagaajinta | Dherer buuxa | Qayb xadhig ah oo keliya |
| Waxqabadka Daalka | Dhexdhexaad | Ka sii fiican (ma jiro dunta aagga rarka) |
| Labbiska Dahaarka | Ku fiican dunta | Aad ugu fiican shank siman |
| Ugu Wanaagsan | Isku-duubni, godadka la taabtay, hagaajinta, xirmooyinka yaryar | Qaab dhismeed, tuubooyin, firfircoon rar, qalab culus |
. Darajooyinka agabka iyo daawaynta dusha sare
FUJINRUI waxa ay siisaa dunta dunta oo dhan iyo qayb ka mid ah xadhiga dunta oo dhan fasalo badan oo kala duwan:
- Fasalka 4.8 / 8.8 (Q235, Q355B, Q355D birta kaarboon) - codsiyada qaabdhismeedka caadiga ah
- Fasalka 10.9 / 12.9 (40Cr, 35CrMo aluminium bir ah) - dhejis adag
- Steel A2/A4 (304, 316) - bay'ad daxalaysa
Ikhtiyaarada dahaarka ka-hortagga daxalka waxaa ka mid ah:
- Hot-Dip Galvanized (HDG) - bannaanka iyo bey'ada badda ee culus
- Dacromet / Geomet - iska caabbinta daxalka sare iyada oo aan lahayn khatarta embrittlement hydrogen
- PTFE / Xylan - caabbinta kiimikada iyo heerkulka sare
5. Samaynta Doorashada Saxda ah
Go'aanka u dhexeeya dunta buuxda iyo xadhigga qayb ahaan waxay hoos ugu dhacdaa dhowr arrimood oo muhiim ah: nooca wadajirka ah (dalool la taabtay vs. dhex-bolt), dhererka boolka (kor ama ka hooseeya 100 mm), jihada culeyska (xiirid vs. xiisadda), iyo xaaladaha deegaanka. Markaad shaki gasho, la tasho heerka ku habboon (ISO, DIN, ASTM) codsigaaga gaarka ah, ama la xiriir kooxdayada injineernimada si aad u hesho taageero farsamo.
Markay tahay FUJINRUI, waxaanu soo saarnay oo aanu dhoofinnaa xidhayaasha ka-hortagga daxalka - oo ay ku jiraan biraha laba-dhamaadka ah, boolal hex, boolal flange, lowska, iyo dhaqida - labadaba dunta buuxda iyo qaabaynta dunta qayb ahaan. Alaabooyinkayagu waxay u adeegaan macaamiisha guud ahaan Koonfur-bari Aasiya, Bariga Dhexe, Yurub, iyo Ameerika qaybo ay ka mid yihiin dhismaha, kiimikaalka batroolka, korontada, iyo mashiinnada culus.
Свяжитесь скомпанией FUJINRUI по вопросам.
© 2026 FUJINRUI Fastener Co., Ltd. Данная статья носит информационный характер.
