A cikin waɗanne yanayi ne aka yi amfani da santsi-threaded bolts da lallausan zare bi da bi?

A cikin duniyar microscopic na haɗin injiniya, ƙirar zaren na iya zama mai sauƙi, amma a gaskiya, yana ɓoye da yawa.Zaɓin tsakanin zaren daɗaɗɗen zaren da kyawawan zaren ba wai kawai yana rinjayar amincin abubuwan haɗin kai ba, har ma ya shafi ingancin aiki na gabaɗayan tsarin.Wannan labarin ya haɗu da shari'o'in aikin injiniya na duniya da ƙididdige bayanan dakin gwaje-gwaje don ƙaddamar da zurfin dabaru na aikace-aikacen nau'ikan zaren guda biyu, samar da injiniyoyi tare da taswirar zaɓi na tushen yanayi.

1. Rarraba aikace-aikace daga mahangar yanayin zaren

M zaren(misali M12 × 1.75) an san shi don girman farar sa da tsayin zaren sa, kuma an tsara shi tare da manufar babban ƙarfi da taro mai sauri; Youdaoplaceholder0 Fine zaren ‌ (misali M12×1.5) yana samun daidaitaccen sarrafawa da haɓaka damuwa ta hanyar rage farar. Bambance-bambancen halaye na zahiri tsakanin su biyun kai tsaye suna ƙayyade iyakokin yanayin aikace-aikacen:

M zaren ‌ : Matsayin zaren> 3.5°, kaya a kowane juzu'i har zuwa 40%, taurin karaya ≥180MPa·m¹/²

Fine thread ‌ : Thread hawan 75%, gajiya rayuwa sau 3-5 mafi girma fiye da na m zaren

2. Manyan filayen yaƙi guda shida na zaren zare

(1) Kayan aiki mai tasiri mai nauyi

Ƙaƙwalwar hamma (M36 m zaren) na ma'adinan ma'adinan na iya jure nauyin tasiri guda ɗaya har zuwa 82kN kuma har yanzu yana kiyaye kwanciyar hankali a ƙarƙashin tasirin mitoci masu yawa na sau 2000 a cikin minti daya.Sirrin zanensa yana cikin:

An karɓi ƙirar tushen zaren J-dimbin yawa, kuma an rage yawan ƙimar damuwa zuwa 1.8

Ana sarrafa kayan da aka rigaya a cikin kewayon 70% zuwa 80% na ƙarfin yawan amfanin ƙasa

(2). Saurin rarrabawa da tsarin haɗuwa

A wuraren haɗin haɗin kayan aikin kayan aiki a kan layin samar da motoci, ana amfani da ƙwanƙwasa mai ɗorewa (M16) tare da haɗin gwiwa tare da pneumatic wrenches, tare da rarrabuwa guda ɗaya da lokacin taro na ƙasa da 3 seconds, wanda shine 40% mafi inganci fiye da na'ura mai kyau.Mabuɗin fasaha:

Maganin galvanizing na saman yana rage ƙimar juzu'i zuwa 0.12

Saita kewayon juriya na ±5% don ƙimar juzu'i

(3). Haɗin kai a cikin ƙananan yanayin zafi

Flanges na bututun mai da iskar gas na Arctic sun karɓi ASTM A193 B7 ƙwanƙwasa ƙwanƙwasa masu tsauri a cikin yanayin -50 ℃:

Har ila yau tasirin makamashi ya kasance sama da 27J

Matsakaicin raguwar ƙarancin zafin jiki shine kawai 0.02mm/m

(4). Haɗin kayan haɗin gwiwa

Tushen haɗin ruwa na FRP don injin turbines, madaidaicin zaren (M30) a hade tare da abubuwan da ake sakawa na karfe na Helicoil:

Ƙarfin ƙarfi ya kai 320kN

Guji lalata lalata kayan da aka lakafta

(5). Kariya daga mahalli masu lalata

Farantin murfin kiyayewa don kayan aikin sinadarai yana amfani da 316L bakin karfe mara nauyi mai zare kuma yana fasalta tsarin kariya na asali sau uku:

PTFE shafi (kauri 50μm)

Micro-arc oxidation magani (hardness HV800)

Man shafawa na siliki ya cika zaren zaren

(6). Tattalin arzikin taro masana'antu

Layin hada-hadar kayan aikin gida ya zaɓi daidaitattun sassa masu zare (kamar GB/T 5782), yana rage farashin rukunin da kashi 35% da adana sama da yuan miliyan 1.2 a cikin farashin saye a shekara.

3. Maɓalli biyar masu mahimmanci na zaren launi

(1). Daidaitaccen tsarin rufewa

Hatimin injina na babban famfo a cikin tashar makamashin nukiliya ta ɗaukalallausan zare(M20×1.5) don cimma:

Matsin lamba shine 35MPa ba tare da yabo ba

Juyin juzu'i na axial preload ƙarfi bai wuce ± 2%

(2). Kayan aiki mai girma-girma

An tabbatar da bolts na dogo mai sauri (M24×2 fine thread) ta gwajin benci:

Ƙarƙashin girgizar girgizar da ke jere daga 15 zuwa 200Hz, ƙaddamarwar preload bai wuce 8% ba.

A hade tare da Nord-Lock gaskets, anti-loosening sakamako ya kai 98.7%

(3). Haɗin tsari mai bakin ciki

Harsashin alloy na aluminium na tashar tushe na 5G (tare da kauri na bango na 2mm) yana amfani da sukurori mai ɗaukar hoto mai kyau (ST4.2 × 0.7):

Ƙarfin ƙarfi ya fi 1.2kN

Babu fasa cikin tsarin samar da zaren

(4). Daidaita tsarin sakawa

Ganewar kullin daidaitawa (M6 × 0.5 kyakkyawan zaren) don teburin wafer injin lithography:

Matsayi daidai matakin 0.1μm

Kuskuren maimaitawa bai wuce 0.3μm ba

(5). Yanayin zafi mai zafi da yanayin zafi

Ayyukan injunan konewar ɗaki (Inconel 718 fine thread):

The creep ƙarfi a 850 ℃ ya fi 300MPa

Kuskuren daidaitawa na ƙayyadaddun haɓakar haɓakar thermal ya kasance ƙasa da 0.5%

4. Ketare-iyakar aikace-aikace sababbin abubuwa

(1). Tsarin shigar wutar lantarki gauraye

Maɓallin ɓangarorin wani injin turbin 5MW suna ɗaukar nau'ikan haɗin zaren daban-daban:

(2) Sabbin batirin abin hawa makamashi

Tsarin haɗin baturi na Tesla 4680:

Tsarin akwatin: M8 m hakora (sauri a cikin 3 seconds)

Haɗin salula: M5 × 0.5 haƙori mai kyau (juriya na lamba

(3). Innovation na Smart masana'antu

Mai hankalilallausan zarean karɓa don haɗin gwiwar mutummutumi na masana'antu:

Fannin firikwensin fiber na gani a ciki na FBG yana lura da damuwa

Madaidaicin martani na ainihin-lokacin ƙarfin preload shine ± 1.5%

5. Itace yanke shawara mai amfani

Ƙarƙashin bangon canjin dijital, ana ba da shawarar hanyoyin sabbin hanyoyin:

Tabbatar da Twin Dijital: Yin kwaikwayon hawan hawan kaya 100,000 a cikin yanayin kama-da-wane

Tsarin Smart Bolt: Yana watsa bayanan da aka riga aka shigar ta hanyar LoRa

Algorithm na zaɓin AI: Shigar da sigogin yanayin aiki don samar da tsare-tsaren ingantawa ta atomatik

Mahimman zaɓin zaren ya ta'allaka ne a cikin neman mafi kyawun mafita na Pareto a cikin sararin samaniya mai kusurwa uku wanda ya ƙunshi ƙarfi, daidaito da farashi.Lokaci na gaba da kuka fuskanci wahalar zabar zaren, za ku iya tambayar kanku: Shin wannan batun haɗin gwiwar dole ne ya yi tsayayya da rashin ƙarfi na tasirin tasiri ko nacewa kan daidaito?Amsar tana cikin tambayar kanta.