Sandunan brazing da ake amfani da su don walƙiya mai yankan PDC

Menene sandunan brazing

Sandunan brazing ƙarfe ne na filler da ake amfani da su a cikin aikin brazing, wanda wata dabara ce ta haɗawa da ke amfani da zafi da abin cika don haɗa guntuwar ƙarfe biyu ko fiye tare., kamar karfe zuwa karfe ko tagulla zuwa tagulla. Sandunan ƙarfe galibi ana yin su ne da ƙarfe na ƙarfe wanda ke da ƙarancin narkewa fiye da yadda ake haɗa ƙananan ƙarfe. Nau'o'in sanduna na brazing na yau da kullun sun haɗa da tagulla, tagulla, azurfa, da gami da aluminium. Ƙayyadaddun nau'in sandar brazing da aka yi amfani da shi ya dogara da kayan da aka haɗa da abubuwan da ake so na haɗin gwiwa na ƙarshe.

Nau'in sandunan brazing

Nau'in sandunan ƙarfe da aka yi amfani da su ya dogara da takamaiman aikace-aikacen da kayan da ake haɗawa. Wasu nau'ikan sandunan brazing gama gari sun haɗa da:

1. Sandunan Brass Brazing: Waɗannan sandunan an yi su ne da ƙarfe na ƙarfe-zinc kuma ana amfani da su don haɗa tagulla, tagulla, da kayan tagulla.

2. Sandunan Ƙarƙashin Tagulla: Sandunan tagulla ana yin su ne da galoli na tagulla kuma galibi ana amfani da su don haɗa ƙarfe, simintin ƙarfe, da sauran ƙarfe na ƙarfe.

3. Sandunan Brazing na Azurfa: Sandunan azurfa sun ƙunshi babban kaso na azurfa kuma ana amfani da su don haɗa nau'ikan karafa iri-iri, gami da jan karfe, tagulla, bakin karfe, da gami da nickel. Suna samar da haɗin gwiwa mai ƙarfi da aminci.

4. Aluminum Brazing Rods: Waɗannan sanduna an ƙera su ne musamman don haɗa kayan haɗin aluminum da aluminum. Yawanci suna ɗauke da siliki a matsayin babban sinadarin alloying.

5. Sandunan Brazing Mai Rufaffen Flux: Wasu sandunan ƙarfe suna zuwa tare da murfin juzu'i, wanda ke taimakawa wajen cire oxides da haɓaka kwararar ƙarfen filler yayin aikin brazing. Ana amfani da sanduna masu rufaffiyar ruwa don sarrafa tagulla, tagulla, da kayan tagulla.

Tya yi amfani da sandunan brazingPDCabun yanka walda

Masu yankan PDC suna gogayya zuwa jikin karfe ko matrix na PDC drill bit. Bisa ga hanyar dumama, hanyar brazing za a iya raba zuwa harshen wuta brazing, injin brazing, injin watsawa bonding, high-mita induction brazing, Laser katako waldi, da dai sauransu The Flame brazing ne mai sauki aiki da kuma yadu amfani.

Lokacin brazing PDC cutters, yana da mahimmanci a yi amfani da sandar brazing tare da wurin narkewa ƙasa da abin yankan PDC don hana lalacewa ga abin yanka. Tsarin brazing ya haɗa da dumama sandar brazing da taron yanki na PDC zuwa takamaiman zafin jiki, ƙyale gami da brazing don narke da gudana tsakanin mai yankewa da maƙallan, ƙirƙirar haɗin gwiwa mai ƙarfi.Gabaɗaya, ana amfani da alloys ɗin ƙarfe na azurfa don walƙiya mai yankan PDC, yawanci ana haɗa shi da azurfa, jan ƙarfe, da sauran abubuwa don cimma abubuwan da ake so. Waɗannan gami suna da babban abun ciki na azurfa, ƙarancin narkewa da kyawawan kaddarorin jika. Babban abun ciki na azurfa yana tabbatar da jika mai kyau da haɗin kai tsakanin mai yankan PDC da kayan aikin ɗan-jiki.

Akwai sandunan ƙarfe na azurfa da farantin brazing na azurfa, waɗanda za a iya amfani da su don walda masu yankan PDC. Ainihin sandunan brazing na azurfa tare da 45% zuwa 50% azurfa sun dace da walƙiya mai yankan PDC. Shawarar makin sandunan ƙarfe na azurfa da faranti shine maki Bag612, wanda ke da 50% abun ciki na azurfa.

The brazing zafin jiki lokacin walda PDC cutters.

The gazawar zazzabi na polycrystalline lu'u-lu'u Layer yana kusa da 700 ° C, don haka zafin jiki na lu'u-lu'u Layer dole ne a sarrafa a kasa 700 ° C a lokacin walda tsari, yawanci 630 ~ 650 ℃.。

Gabaɗaya, sandunan brazing suna taka muhimmiyar rawa a cikin walda na PDC, suna tabbatar da haɗin gwiwa mai ƙarfi da aminci tsakanin mai yanke PDC darawar jiki, wanda ke da mahimmanci don aiki da dorewa na kayan aikin hakowa a cikin masana'antar mai da iskar gas.

Idan kana buƙatar abin yanka PDC, sandunan brazing na azurfa, ko ƙarin nasihun walda. Barka da zuwa tuntube mu ta imelIrene@zzbetter.com.

Nemo ZZBETTER don sauƙi da sauri na masu yankan PDC!