Me yasa kwayoyi masu ƙarfi suna buƙatar lalata ƙarfi don biyan bukatun
Wasu sassa suna ɗaukar nauyi sama da cibiyar a ƙarƙashin aikin sauƙin nauyin da nauyin kaya kamar yatsar hannu da lanƙwasa. A cikin batun gogayya, farfajiyar farfajiya ana kuma sawa a kullun. Saboda haka, buƙatun babban ƙarfi, ƙarfi mai ƙarfi, jure juriya da ƙarancin mai ƙarfi ana sanya su gaba don ɓangaren ɓangaren ɓangarorin. Strengtheningarfafa ƙarfafa ne kawai zai iya biyan bukatun. Saboda fa'idodin ƙananan lalacewa da haɓakar haɓaka, ana amfani da daskararren yanayi a samarwa.
Dangane da hanyoyi daban-daban na dumama, narkarda dumama saman ya hada da shigar zafi dumama yanayi, harshen wuta yana jin dumin duminsa, wutar lantarki yana tuntu6ar yanayin dumama, da sauransu.
• tashin tauraron saman ruwa
Shiga ciki shine amfani da induction na lantarki don samar da fitowar sabon abu a cikin kayan aiki da kuma sanya zafi a bangaren aikin. Idan aka kwatanta su da na yau da kullun, ciwan ƙurar ƙasa yana da fa'idodi masu zuwa:
1. Tushen zafi yana kan saman aikin kayan aiki, tare da saurin dumama mai sauri da ingantaccen aiki mai zafi
2. Domin aikin ba mai zafi bane baki daya, lalatawar tayi karami
3. Shortarancin lokacin dumama da ƙasa ƙona abu da iskar shaka
4. The hardness na workpiece ne high, daraja gwaninta shi ne karami, tasiri tauri, ƙarfi gajiya da sa juriya suna inganta sosai. Yana da fa'ida don haɓaka damar kayan abu, adana abubuwan amfani da haɓaka rayuwar sabis
5. Karamin kayan aiki, ingantaccen amfani da yanayin aiki mai kyau
6. Dace da injin aiki da aiki da injina
7. Ana iya amfani dashi ba kawai a cikin lalata jiki ba har ma a cikin dumama cikin zafin rana da maganin zafi mai guba.
Babban ka'idodin induction dumama
Lokacin da aka sanya workpiece a cikin inductor, lokacin da inductor ya ratsa ta wurin alternating current, madadin filin magnetic tare da mitar guda daya kamar yadda aka samo asalin a kusa da inductor, kuma ana haifar da karfin lantarki daidai gwargwadon aikin, wanda yake samar da jawo a halin yanzu a kan workpiece farfajiya, wato eddy current. A karkashin aikin juriya na aikin yanki, wutar lantarki yana canzawa zuwa makamashi mai zafi, wanda ke sa zazzabi na farfajiyar kayan aikin ya isa yanayin kwanciyar hankali da dumama.
• kaddarorin bayan buguwa saman bugun zuciya
1. hardarfin farfaɗar wahalar ƙarfe: yanayin ƙarfin aikin kwalliya bayan girman induction na nesa da na matsakaici shine yawanci kashi 2-3 (HRC) ya fi na naƙuda na yau da kullun.
2. Saurin jurewa: saurin jure kayan aikin bayan fitowar mitar sa ya fi wanda yake bayan tashin hankali na yau da kullun. Wannan shi ne yafi saboda haɗuwa da ƙananan ƙwayoyin martensite, watsawar carbide mai ƙarfi, rabo mai ƙarfi da kuma matsanancin damuwa a farfajiya na rufi mai ƙarfi.
3. iguearfin gajiya: higharfin matsakaici da matsakaici na ɗimbin ƙarfi yana inganta ƙarfin gajiya da rage ƙwarewar jiyya. Ga kayan aiki tare da abu guda, ƙarfin gajiya yana ƙaruwa tare da haɓaka zurfin hardening a cikin wani kewayon, amma lokacin da zurfin bugun ya yi zurfi sosai, farfajiyar farfajiya tana cikin damuwa, don haka gajiya tana raguwa tare da karuwar hardening zurfin, kuma brittleness na workpiece ƙaruwa. Zurfin farin hargitsi mai zuwa δ = (10-20)% d. Ya fi dacewa, tsakanin abin da D. Shin, ƙarancin ƙarfin aiki ne na aikin aikin.