Me ya sa ba a ba da shawarar yin gyare-gyaren zinc don ƙarar ƙarfi mai ƙarfi? Kuma waɗanne hanyoyi ne za a iya amfani da su maimakon? Kare kusoshi da sukurori daga lalata ba tare da lalata ƙarfi ko aminci ba.

2026-05-12

Lokacin da injiniyoyi suka bayyana maƙarƙashiya mai ƙarfi (Grade 10.9, 12.9, ko daidai ASTM A325/A490) don haɗin ginin, suna tsammanin matsakaicin aiki mai ɗaukar nauyi. Amma idan kuma ana buƙatar kariya ta lalata, tsoho ilhami shine sau da yawa don tantancewa kawai zinc galvanizing. Wannan zaɓin na iya zama haɗari.

Matsalar al'amari ne da ake kira hydrogen ebrittlement - yanayin gazawar shiru wanda zai iya haifar da karaya ba tare da faɗakarwa ba, kwanaki ko ma makonni bayan shigarwa. Ga abin da kuke buƙatar sani, kuma wanne anti-lalata mafita suna lafiya ga high-tensile fasteners.

Hatsarin Boye: Haɗarin Hydrogen

A lokacin electroplating tsari, atomic hydrogen ana samar da shi azaman samfuri. Lokacin da kusoshi tare da ƙarfin juzu'i sama da 1,000 MPa (taurin> 320 HV) suna ɗaukar wannan hydrogen a cikin lattin ƙarfe nasu, sakamakon shine asarar ductility. Kullin na iya wuce kowane ingantaccen dubawa, jujjuyawa daidai a wurin, sannan kasa ba zato ba tsammani a karkashin al'ada lodi.

Wannan jinkirin gazawar - tare da nakasar filastik ba sifili kuma babu faɗakarwar bayyane - ya sa haɓakar hydrogen ya zama mafi girman haɗari a cikin injiniyan tsarin. Domin socket head hula sukurori, kusoshi hex, da sauran masu daraja fasteners da aka yi amfani da shi a cikin mahimman aikace-aikacen aminci ( gadoji, injin turbin iska, dakatarwar mota), sakamakon zai iya zama bala'i.

Mabuɗin Gaskiya: Ko da yin burodin bayan-plating (samun haɓakar hydrogen) ba zai iya ba da garantin cikakken cire hydrogen a cikin 10.9 da 12.9 bolts. Hadarin baya faduwa zuwa sifili.

Hadarin Galvanizing ta Bolt Grade

Babban darajar Bolt	Ƙarfin Ƙarfin Ƙarfi	SHI Hadari	Shawara
8.8	800 MPa	Ƙananan	Galvanizing m
10.9	1,000 MPa	Babban	Yi amfani da murfin flake na zinc
12.9	1,200 MPa	Mahimmanci	Zinc flake ko bakin karfe

Hot- tsoma galvanizing yana ɗauke da ƙananan haɗarin hydrogen fiye da electroplating, amma kafin magani na acid yana gabatar da hydrogen. Don manyan aikace-aikacen aminci, ba shine mafi kyawun zaɓi ba.

Safe Anti-Corrosion Madadin

To yaya kuke karewa maƙarƙashiya mai ƙarfi kuma sukurori daga tsatsa lokacin da galvanizing ke kashe tebur? Ga hanyoyin da aka tabbatar:

Tufafin Tushen Tushen (Dacromet / Geomet)

Applied mechanically - babu acid wanka, babu electrolysis, sifili hydrogen tsara. Yana ba da juriya na feshin gishiri 600-1,000+. Mafi dacewa don 10.9 da 12.9 bolts, sukurori, da studs.

Mafi kyawun zaɓi

Injiniyan Zinc Plating

Sanyi-welds barbashi na zinc akan saman maɗauri ba tare da wutar lantarki ba. Babu haɗarin hydrogen, wanda ya dace da ƙwanƙwasa hex mai tsayi da kwayoyi.

Babu Hadarin Hydrogen

Bakin Karfe Fasteners

A316 ko A4 (316) bakin karfe da kusoshi suna ba da juriya na lalata. Mafi kyau ga marine, sinadarai, da muhallin waje.

Magani na Premium

PTFE / Fluoropolymer Coating

Yana ba da kyakkyawan juriya na sinadarai da ƙananan gogayya. Sau da yawa a haɗe tare da abin da ke ƙarƙashin zinc don ingantaccen kariyar lalata akan kayan haɗin masana'antu.

Amfani na Musamman

“Madaidaicin maganin lalata yana kare hannun jarin ku. Wanda ba daidai ba zai iya lalata shi.”

- Kungiyar Injiniya ta FUJINRUI

Zabar Magani Mai Kyau

Lokacin zabar wani anti-lalata magani don ku fasteners, la'akari da waɗannan abubuwan:

Babban darajar Bolt- Grade 8.8 da ƙasa na iya amfani da galvanizing gabaɗaya. Don 10.9 da sama, koyaushe zaɓi tukwane flake ko bakin karfe.
Muhalli- Yanayin ruwa da masana'antu suna buƙatar ƙarin sa'o'in fesa gishiri. Geomet shafikuma bakin karfe kusoshi yayi kyau a nan.
Aikace-aikace- Motoci, makamashin iska, da haɗin ginin karfe suna buƙatar haɗarin hydrogen sifili. Tsarin plating na injina da tsarin flake na zinc sune ma'auni.
Farashin vs. Aiki- Tushen flake na Zinc (Dacromet, Geomet) yana ba da mafi kyawun ma'auni na juriya na lalata, amincin hydrogen, da farashi ga yawancin mai nauyi mai nauyiaikace-aikace.

Abin da Wannan ke nufi ga Sayi

Don ƙungiyoyi masu samar da kayan aiki da injiniyoyin aikin, abin da za a ɗauka ya bayyana a sarari: taba tsoho zuwa galvanizing ga high-ƙarfi fasteners. Koyaushe ƙididdige darajar kusoshi da yanayin lalata, kuma kuyi aiki tare da naku fastener manufacturer don zaɓar tsarin sutura wanda ke kawar da haɗarin haɓakar hydrogen.

A FUJINRUI, mu ke samarwa anti-lalata kusoshi, sukurori, kuma al'ada fasteners tare da Dacromet, Geomet, zinc na inji, da PTFE coatings - wanda aka keɓance da aikace-aikacen ku da bukatun muhalli. Ana gwada kowane tsari don ƙarfin injina da juriya na lalata kafin jigilar kaya.

─── ◆ ───

Ana Bukatar Masu Haɗa Lalacewa?

Sami shawarwarin shafi kyauta da faɗi don aikinku. Injiniyoyinmu suna amsawa cikin sa'o'i 24.

TUNTUBE KUNGIYARMU

Prev. Na gaba.

Sabbin labarai