A wane zafin jiki ne OPPAIR zai iya yimatse iskar damfaraaikin mota ya zama ruwan dare?
Matsayin rufin mota yana nufin matakin juriyar zafi na kayan rufi da aka yi amfani da su, wanda aka raba zuwa maki A, E, B, F, da H. Ƙarar zafin da aka yarda da ita tana nufin iyakar zafin motar idan aka kwatanta da zafin yanayi na yanayi.
Ƙara yawan zafin jiki yana nufin ƙimar cewa zafin na'urar naɗe stator ya fi zafin yanayi a ƙarƙashin yanayin aiki na injin (an ƙayyade zafin jiki na yanayi a matsayin 35°C ko ƙasa da 40°C, idan ba a yiwa takamaiman ƙimar alama akan farantin suna ba, 40°C ne)
| Ajin zafin jiki na rufi | A | E | B | F | H |
| Matsakaicin zafin da aka yarda da shi (℃) | 105 | 120 | 130 | 155 | 180 |
| Iyakar hauhawar zafin jiki mai lanƙwasa (K) | 60 | 75 | 80 | 100 | 125 |
| Zafin aiki (℃) | 80 | 95 | 100 | 120 | 145 |
A cikin kayan lantarki kamar janareto, kayan rufewa shine mafi rauni. Kayan rufewa yana da saurin kamuwa da zafi mai yawa da tsufa da lalacewa cikin sauri. Kayan rufewa daban-daban suna da halaye daban-daban na juriya ga zafi, kuma kayan lantarki masu amfani da kayan rufewa daban-daban na iya jurewa Ikon zafin jiki mai yawa ya bambanta. Saboda haka, kayan lantarki gabaɗaya suna ƙayyade matsakaicin zafin jiki don aikinsa.
Dangane da iyawar kayan rufi daban-daban don jure zafi mai yawa, an ƙayyade musu matsakaicin zafin jiki guda 7 da aka yarda da su, waɗanda aka tsara su daidai da zafin jiki: Y, A, E, B, F, H da C. Yanayin aiki da aka yarda da su sune: Sama da 90, 105, 120, 130, 155, 180 da 180°C. Saboda haka, rufin aji B yana nufin cewa zafin da ke jure zafi na rufin da janareta ke amfani da shi shine 130°C. Lokacin da janareta ke aiki, mai amfani ya kamata ya tabbatar da cewa kayan rufi na janareta bai wuce wannan zafin ba don tabbatar da aikin janareta na yau da kullun.
Kayan rufi masu aji B galibi ana yin su ne da mica, asbestos, da kuma gilashin filaments da aka manne ko aka cusa su da manne na halitta.
OPPAIR sukurori na iska damfara
T: A wane zafin jiki ne injin zai iya aiki yadda ya kamata? Menene matsakaicin zafin da injin zai iya jurewa?
OPPAIRmatse iskar damfaraA: Idan zafin da aka auna na murfin motar ya wuce zafin yanayi na yanayi da sama da digiri 25, hakan yana nuna cewa yawan zafin jiki na motar ya wuce matsakaicin da aka saba. Gabaɗaya, yawan zafin jiki na motar ya kamata ya kasance ƙasa da digiri 20. Gabaɗaya, an yi na'urar injin da waya mai enamel, kuma lokacin da zafin waya mai enamel ya fi digiri 150, fim ɗin fenti zai faɗi saboda yawan zafin jiki, wanda hakan zai haifar da ɗan gajeren zagaye na na'urar. Lokacin da zafin na'urar ya fi digiri 150, zafin na'urar yana da digiri 100, don haka idan ya dogara ne akan zafin na'urar sa, matsakaicin zafin da injin zai iya jurewa shine digiri 100.
T: Zafin motar ya kamata ya kasance ƙasa da digiri 20 na Celsius, wato, zafin murfin ƙarshen motar ya kamata ya wuce zafin yanayi da ƙasa da digiri 20 na Celsius, amma menene dalilin da yasa motar ke zafi sama da digiri 20 na Celsius?
OPPAIRmatse iskar damfaraA: Lokacin da injin ke aiki a ƙarƙashin kaya, akwai asarar wutar lantarki a cikin injin, wanda daga ƙarshe zai zama makamashin zafi, wanda zai ƙara zafin motar kuma ya wuce zafin yanayi. Darajar da zafin motar ya fi zafin yanayi ana kiranta da ramp-up. Da zarar zafin ya tashi, injin zai watsa zafi zuwa ga kewaye; mafi girman zafin, da sauri watsar da zafi. Lokacin da zafin da injin ke fitarwa a kowane lokaci ya yi daidai da zafin da aka watsa, zafin motar ba zai ƙara ƙaruwa ba, amma zai kiyaye yanayin zafi mai ɗorewa, wato, a cikin yanayin daidaito tsakanin samar da zafi da watsar da zafi.
T: Menene ƙarin zafin da aka yarda da shi a cikin dannawa gabaɗaya? Wane ɓangare na motar ne ya fi shafar hauhawar zafin motar? Ta yaya aka bayyana shi?
OPPAIRmatse iskar damfaraA: Lokacin da injin ke aiki a ƙarƙashin kaya, ya zama dole a taka rawar da ta dace gwargwadon iyawa. Girman nauyin, mafi kyawun ƙarfin fitarwa (idan ba a yi la'akari da ƙarfin injin ba). Amma girman ƙarfin fitarwa, mafi girman asarar ƙarfi, mafi girman zafin jiki. Mun san cewa mafi rauni a cikin injin shine kayan rufewa, kamar waya mai enamel. Akwai iyaka ga juriyar zafin kayan rufewa. A cikin wannan iyaka, halayen kayan rufewa na zahiri, sinadarai, na inji, na lantarki da sauran halaye na kayan rufewa suna da ƙarfi sosai, kuma rayuwarsu gabaɗaya tana kusan shekaru 20. Idan aka wuce wannan iyaka, rayuwar kayan rufewa tana gajarta sosai, har ma tana ƙonewa. Ana kiran wannan iyakacin zafin jiki da aka yarda da shi na kayan rufewa. Zafin da aka yarda da shi na kayan rufewa shine zafin da aka yarda da shi na injin; rayuwar kayan rufewa gabaɗaya shine rayuwar motar.
Lokacin Saƙo: Agusta-22-2022
