DIN127 washers suna daga cikin mafi yadu ƙayyadaddun lebur washers a Turai injiniyoyin injiniya-duk da haka suna yau da kullum kuskure, a karkashin-kayyade, ko rikita batun tare da DIN 125 ko ISO 7089. Mun gani shi sau da yawa: abokin ciniki jiragen ruwa batch na high-ƙarfi bolts zuwa iska turbine site a arewacin Jamus-7li kawai ga DIN da aka gano a arewacin Jamus. darajar taurin ga Majalisun 10.9. Gyaran? Sake yin aiki, jinkiri, da dabaru marasa shiri. Wannan shine dalilin da ya sa madaidaicin al'amura - ba kawai a cikin kayan ko gamawa ba, amma a cikin daidaitaccen yarda.
Menene ainihin DIN127 Washer?
Mai wanki DIN127 madauwari ce, mai wanki mara nauyi mara nauyi wanda Cibiyar Ƙididdiga ta Jamus (DIN) ta ayyana. DIN 127 Part 1. Yana fasalta madaidaicin diamita na waje, diamita na ciki, da kauri - ƙididdige shi azaman aikin girman guntun ƙididdiga - kuma an tsara shi musamman don amfani tare da kusoshi na hexagon da sukurori masu dacewa da DIN 931, DIN 933, ko ISO 4014/4017. Ba kamar masu wanki masu tauri ba (misali, DIN 6796 ko DIN 2093), DIN127 raka'a ba su da zafi. Yawanci ana ba da su a cikin nau'ikan bakin karfe marasa rufi, galvanized, ko wasu nau'ikan bakin karfe - kuma aikinsu na farko shine rarraba kaya, ba aikin bazara ko kullewa ba.
Mahimman halayen fasaha:
Zaɓuɓɓukan kayan aiki: Karfe (unhardened, ≤300 HV), bakin karfe (A2 / A4), tagulla, aluminum Surface yana gamawa: Plain, hot- tsoma galvanized (HDG), zinc-plated, black oxide, electropolished Iyakar taurin: Max 300 HV-mahimmanci don dacewa tare da babban ƙarfin ƙarfi (Grade 8.8 da sama) Matsayi na haƙuri: Na al'ada (Class N) ta DIN 2211; haƙuri mai kauri ± 0.2 mm don d ≤ 16 mm Nau'o'in DIN127 na Gaskiya guda uku-da kuma Inda suka kasa
A aikace, muna rukuni na DIN127 washers zuwa sassa uku masu aiki - ba ta hanyar ƙarancin hukuma ba, amma ta yadda injiniyoyi ke tura su.
Nau'in A: Madaidaitan Fita-Fit Washers (DIN127-A)
Sigar tsoho. An yi amfani da shi tare da kusoshi har zuwa Grade 8.8 a cikin injunan gabaɗaya, kayan aikin noma, da ƙirar gida. Muna ba da shawarar waɗannan lokacin da dole ne a rage matsa lamba a ƙarƙashin ƙwanƙwasa-amma ba a sa ran kaya mai ƙarfi ko girgiza ba.
Nau'in B: HDG-DIN127 don Injiniyan Waje
Hot-tsoma galvanized DIN127 washers na bukatar kulawa ta musamman. Rufin Zinc yana ƙara ~ 0.05-0.10 mm zuwa kauri - kuma idan ba a lissafta shi ba yayin lissafin juzu'i, ƙarfin ƙarfi ya faɗi da 8-12%. A wurin mu a Yongnian, muna tabbatar da kauri ta hanyar shigar da maganadisu (DIN EN ISO 2178) kafin jigilar kaya. Abokan ciniki da ke amfani da waɗannan tare da bolts ASTM A325 a cikin haɗin gada akai-akai suna ba da rahoton sakin sifili sama da zagayowar sabis na shekaru 5.
Nau'in C: Bakin DIN127 don Muhalli masu lalacewa
A4-80 bakin karfe DIN127 washers (kowane DIN 127-2) tsayayya da gishiri don> 1,000 hours. Amma ga abin da ake rasawa sau da yawa: bakin wanki yana faɗaɗa thermally 30% fiye da kusoshi na ƙarfe na carbon. A cikin aikace-aikacen hawan keke na zafi-kamar masu bin diddigin hasken rana a cikin yanayin hamada-mun ga asarar matsewar gasket lokacin da masu amfani suka tsallake lalatawar zafi. Maganin mu? Haɗa A4-80 DIN127 tare da A4-80 bolts-kuma ƙayyade ƙimar ƙarfin aiki a yanayin aiki, ba yanayi ba.
Girman Girma Ba kawai "M6" ko "M12" ba - Tsari ne
Girman DIN127 yana bin ƙaƙƙarfan ma'auni na geometric - ba diamita na sabani ba. Don kullin M10 (d = 10 mm), diamita na ciki na mai wanki shine 11.1 mm, diamita na waje shine 22 mm, kauri kuma shine 2.5 mm. Kau da kai daga waɗannan dabi'u, kuma kuna haɗarin cizo gefen, canja wurin kaya mara daidaituwa, ko tsoma baki tare da haɗin gwiwar zaren.
Muna kula da cikakken DIN127 hannun jari daga M3 zuwa M64-ciki har da ma'aunin awo da zaren lallausan-kuma muna tabbatar da kowane mai yawa akan DIN 2211 cak cak. Abubuwan sa ido na yau da kullun da muke kamawa:
Yin amfani da M12 DIN127 tare da M12 × 1.25 ƙwanƙwasa mai kyau (rashin daidaituwar diamita na ciki → haɗin kai kawai a maki 3) Sauya DIN125 (mai kauri, taurare) inda aka ƙayyade DIN127 (yana haifar da juzu'i da zare) Zaton "DIN127" yana nuna juriya na lalata-lokacin da nau'in carbon na fili ya yi tsatsa a cikin makonni a cikin iska na bakin teku. Aikace-aikacen da ke Buƙatar DIN127-Kuma Me yasa Madadin Gajeru
DIN127 ba na zaɓi ba ne a cikin yankuna huɗu masu mahimmanci:
Haɗin Karfe TS EN 1090-2 Ana buƙata a ƙarƙashin Eurocode 3 don haɗin gwiwa da aka rufe inda masu wanki ke hana sanyawa cikin saman flange Railway rolling stock TS EN 15227 - An ba da izini don hawan motsi - masu wanki mara izini yana haifar da gazawar dubawa. Modulolin dandamali na ketare (DNV-OS-F101): Dole ne ya dace da taurin ƙulli don guje wa fashewar hydrogen a cikin sabis mai tsami. Firam ɗin na'urar likitanci (ISO 13485): Ƙarshen saman Ra ≤ 0.8 µm da ake buƙata - DIN127-A4 ya sadu da wannan ba tare da gogewa na biyu ba. Wave Wave ko Bellevilles ba za su maye gurbin DIN127 a nan ba. Suna hidimar kimiyyar lissafi daban-daban: DIN127 tana sarrafa damuwa mai ɗaukar nauyi. Wasu suna sarrafa hasara mai ƙarfi na preload. Rikita su kamar yin amfani da maƙarƙashiya a matsayin guduma—mai yiwuwa, amma mai halakarwa.
Me yasa Hebei Dewell ke Ba da Amintattun DIN127 Washers
A Hebei Dewell Metal Products Co., LTD, muna samar da DIN127 washers a karkashin cikakken tsari iko - daga raw mashaya dubawa (spectrometric bincike ta DIN EN ISO 14284) zuwa karshe girma takardar shaida. Kowane oda ya haɗa da lambobin zafi da za a iya ganowa, rahotannin gwaji mai ƙarfi, da tabbatar da kauri. Muna riƙe kaya a cikin bambance-bambancen 12 DIN127-ciki har da HDG, A2, A4, da zaɓuɓɓukan kauri na al'ada-da jigilar ma'auni masu girma a cikin kwanaki 5-10 a duniya.
Idan kuna ƙayyadaddun DIN127 don sabon aikin: duba matakin kullin ku, yanayi, da hanyar juzu'i da farko. Sa'an nan daidaita taurin wanki, gamawa, da lissafi-ba lakabin kawai ba. Domin a cikin amincin injiniya, ƙaramin sashi yana saita rufi don aikin tsarin.
