Sandunan Carbide Siminti: Kashin Masana'antu na Kera Zamani

Sandunan siminti na siminti, galibi ana kiranta da "hakoran masana'antu," wani nau'i ne na asali kuma ana amfani da shi sosai na samfurin siminti na siminti. Suna taka muhimmiyar rawa a fagage da yawa saboda kyawawan kaddarorinsu.

Gabatarwa da Manufacturing

Sandunan carbide da aka yi da siminti sandunan silindi ne da aka yi da farko daga barbashi na tungsten carbide masu tsananin gaske waɗanda aka haɗa tare da matrix ɗin ƙarfe na cobalt. Ana samun wannan haɗin ta hanyar matakan ƙarfe na foda, wanda ya haɗa da sintering a yanayin zafi da matsa lamba, wanda ke ba su halaye maras misaltuwa:

Na Musamman Taurin Da Juriya:Taurinsu yana kusanci na lu'u-lu'u, yana ba su tsawon rayuwar sabis har ma a cikin yanayi mai muni.

Ƙarfin Ƙarfin Ƙarfi:Suna iya jure babban matsi ba tare da nakasa ba.

Kyakkyawan Rigidity:Suna kiyaye kwanciyar hankali yayin ayyukan injin, rage girgiza.

Babban Rabewa da Maki

Rarrabewa da zaɓin sandunan siminti na siminti suna da mahimmanci kuma sun dogara da farko akan abun ciki na cobalt da girman hatsin tungsten carbide.

Rabewa ta Abun Cobalt:

● Low-Cobalt Grades (misali, YG6): Waɗannan maki suna da ƙananan abun ciki na cobalt (misali, 3% -6%). Ana siffanta su da tsananin taurin kai da juriya mafi girma, kodayake tare da ƙaramin ƙarfi. Sun dace da kyawawan kayan aikin gamawa da sassan da ke buƙatar babban madaidaici ba tare da matsananciyar lalacewa ba.

● Matsakaici/High-Cobalt maki (misali, YG8, YG15): Waɗannan sun ƙunshi babban abun ciki na cobalt (misali, 8%-15%). Ƙara abun ciki na cobalt yana haɓaka taurin kayan da juriyar tasiri, amma daidai yake yana rage taurin da sa juriya. Sun dace da aikace-aikacen da ke da tasirin tasiri mai mahimmanci, kamar ma'adinan ma'adinai da ƙwanƙwasawa.

Rabewa da Girman hatsi:

● Hatsi mara nauyi: Yana ba da tauri mai kyau da kyakkyawan juriya mai tasiri, wanda aka saba amfani da shi a kayan aikin hakar ma'adinai da ƙwanƙwasawa.

● Matsakaicin Hatsi: Yana haifar da ma'auni tsakanin taurin da tauri, yana mai da shi mafi yawan amfani da kayan aikin injin gabaɗaya.

● Fine kuma Ultra-Fine Grain: Waɗannan fasalulluka masu kyau na hatsi masu kyau, suna haɗa babban taurin tare da ƙarfin fashewa mai ƙarfi, yana haifar da ingantaccen aiki gabaɗaya. Ana amfani da su don kera madaidaicin kayan aikin (kamar PCB micro-drills), kayan aikin yanke kayan wuya, da kayan aikin da ke buƙatar yankan gefuna.

Yankunan Aikace-aikacen Core

Babban amfani da sandunan carbide da aka yi da siminti shine albarkatun ƙasa (blanks) waɗanda suke daidai-ƙasa, yanke, ko siffa ta hanyar EDM cikin manyan kayan aiki da abubuwan haɓaka daban-daban.

● Kayan Aikin Yanke: Wannan shine mafi girman yankin aikace-aikacen su. Ana amfani da sanduna don kera:

● Rarraba Ragewa: Irin su PCB (Printed Circuit Board) ƙananan hazo, murƙushewa, da rawar rami mai zurfi.

● Ƙarshen Mills: Ana amfani da shi a cibiyoyin injin CNC.

● Reamers: Don babban madaidaicin kammala ramuka.

● Kayan aikin Juya: Wasu na'urori na juyawa ana yin su daga sanduna.

● Haƙar ma'adinai da kayan aikin ƙasa: A cikin hakar ma'adinai, haƙon mai, da binciken ƙasa, sanduna sune ainihin kayan da ake amfani da su don yin ɗimbin raƙuman dutse da zaɓe, masu iya shiga cikin sifofin dutse.

● Sassan Juriya na Sawa: A cikin matsanancin yanayin aiki, ana amfani da sanduna azaman zoben hatimi, nozzles, fil ɗin jagora, da rollers, suna ba da damar juriya na musamman don tsawaita rayuwar sabis na kayan aiki.

● Instruments Precision Instruments and Molds: Za a iya amfani da sandunan hatsi masu kyau don kera ingantattun gyare-gyare, bincike, da mandrels na musamman.

Yadda Ake Zaban Damat Cemented Carbide Round Rod?

Zaɓin yana buƙatar nemo ma'auni mafi kyaun tsakanin "taurin wuya/juriya" da "tauri" dangane da takamaiman kayan da ake sarrafa da yanayin aiki:

● Abubuwan da ake sarrafa su: Don sarrafa simintin ƙarfe da ƙarfe mara ƙarfe, maki YG (K) sun dace. Don karfe, maki YT (P) ko maki YW (M) na duniya an fi so.

Yanayin Aiki:

● Ƙarshe Injini, Babban Juriya na Sawa: Zaɓi ƙananan cobalt, makin hatsi masu kyau.

● Injin Rough, Babban Tasiri: Zaɓi matsakaici/maɗaukakin cobalt, makin hatsi.

● Abubuwan Wahalar-zuwa-Machine, Babban Madaidaici: Ba da fifikon makin hatsi masu kyau.

Takaitawa

A ƙarshe, sandunan carbide da aka yi da siminti, tare da fitattun kaddarorinsu na zahiri, muhimmin abu ne na tushe a cikin masana'antun masana'antu da ma'adinai na zamani. Fahimtar rarrabuwar su, halaye, da aikace-aikacen su yana da mahimmanci don zaɓi daidai, haɓaka aikin su, da haɓaka haɓakar samarwa yayin rage farashi.