Nkhani

An ng'anjo yosungunula inductionndi ng'anjo yamagetsi yomwe imagwiritsa ntchito kutentha kwa zinthu zotenthetsera kapena kusungunula. Zigawo zazikulu za ng'anjo yolowetsamo zimaphatikizira masensa, thupi la ng'anjo, magetsi, ma capacitor, ndi dongosolo lowongolera.

Zigawo zazikulu za ng'anjo yolowetsamo zimaphatikizira masensa, thupi la ng'anjo, magetsi, ma capacitor, ndi dongosolo lowongolera.

Pansi pa kusinthana kwa ma electromagnetic minda mu ng'anjo yolowera, mafunde a eddy amapangidwa mkati mwazinthu kuti akwaniritse kutentha kapena kusungunuka. Pansi pa kusonkhezera kwa mphamvu ya maginito iyi, mawonekedwe ndi kutentha kwa zinthu zomwe zili mu ng'anjo zimakhala zofanana. The forging Kutentha kutentha akhoza kufika 1250 ℃, ndi kutentha kusungunuka kufika 1650 ℃.

Kuphatikiza pakutha kutenthetsa kapena kusungunuka mumlengalenga, ng'anjo zolowetsamo zimathanso kutentha kapena kusungunuka m'malo opanda mpweya komanso zoteteza monga argon ndi neon kuti zikwaniritse zofunikira zapadera. Ma ng'anjo otenthetsera ali ndi zabwino zambiri pakulowetsa kapena kusungunula ma aloyi ofewa a maginito, ma aloyi okana kwambiri, ma aloyi amagulu a platinamu, osagwira kutentha, osachita dzimbiri, ma aloyi osamva kuvala, ndi zitsulo zoyera. Ng'anjo zopangira induction nthawi zambiri zimagawidwa kukhala ng'anjo zotenthetsera ndi ng'anjo zosungunulira.

Ng'anjo yamagetsi yomwe imagwiritsa ntchito mphamvu yamagetsi yomwe imapangidwa ndi coil induction to heat materials. Ngati zitsulo zotenthetsera zimatenthetsera, ziyikani muzitsulo zopangidwa ndi zipangizo zokana. Ngati kutenthetsa zinthu zopanda zitsulo, ikani zipangizozo mu graphite crucible. Pamene mafupipafupi amakono osinthika akuwonjezeka, mafupipafupi omwe amapangidwira panopa amawonjezeka mofanana, zomwe zimapangitsa kuti kutentha kupangidwe. Ng'anjo yopangira ng'anjo imatentha mofulumira, imakhala ndi kutentha kwakukulu, imakhala yosavuta kugwira ntchito ndi kulamulira, ndipo zipangizo sizimaipitsidwa kwambiri panthawi yotentha, kuonetsetsa kuti zinthu zili bwino. Amagwiritsidwa ntchito makamaka kusungunula zida zapadera zotentha kwambiri, zitha kugwiritsidwanso ntchito ngati zida zotenthetsera ndikuwongolera pakukulitsa makhiristo amodzi kuchokera kusungunuka.

Ng'anjo zosungunulira zimagawidwa m'magulu awiri: ng'anjo za cored induction ng'anjo zopanda coreless.

Ng'anjo yolowera m'makona imakhala ndi chitsulo chodutsa pa inductor ndipo imayendetsedwa ndi magetsi pafupipafupi. Amagwiritsidwa ntchito kwambiri kusungunula ndi kutchinjiriza zitsulo zosiyanasiyana monga chitsulo chosungunuka, mkuwa, mkuwa, nthaka, ndi zina, ndi mphamvu yamagetsi yopitilira 90%. Itha kugwiritsa ntchito zinyalala za ng'anjo, imakhala ndi ndalama zochepa zosungunuka, komanso ng'anjo yotentha kwambiri yokwana matani 270.

Mng'anjo ya coreless induction ilibe pachimake chachitsulo chodutsa mu inductor, ndipo imagawidwa mu ng'anjo yopangira mphamvu pafupipafupi, ng'anjo yopangira ma frequency atatu, ng'anjo yamagetsi yamagetsi yapakati, thyristor medium frequency induction ng'anjo, ndi ng'anjo yotentha kwambiri.

Zida zothandizira

Zida zonse za ng'anjo yapakatikati yopangira ng'anjo imaphatikizapo: magetsi ndi gawo lowongolera magetsi, gawo la thupi la ng'anjo, chipangizo chotumizira, ndi njira yozizirira madzi.

mfundo yoyendetsera ntchito

Kusinthasintha kwamakono kumadutsa pa koyilo yolowetsamo, mphamvu ya maginito yosinthira imapangidwa mozungulira koyiloyo, ndipo zinthu zomwe zili mung'anjoyo zimapanga mphamvu zoyendetsedwa ndi mphamvu yamagetsi yosinthira. Mphamvu yamagetsi (eddy current) imapangidwa pamtunda wina pamwamba pa ng'anjo yamoto, ndipo ng'anjo yamoto imatenthedwa ndikusungunuka ndi eddy current.

(1) Kutentha kwachangu, kuthamanga kwambiri, kutsika kwa okosijeni ndi decarbonization, kupulumutsa zinthu ndi kupangira ndalama zofa.

Chifukwa cha mfundo yotenthetsera yapakati pafupipafupi kukhala ma electromagnetic induction, kutentha kwake kumapangidwa mkati mwa chogwiriracho chokha. Ogwira ntchito wamba atha kupitiliza kugwira ntchito zopeka pakatha mphindi khumi atagwiritsa ntchito ng'anjo yamagetsi yapakatikati, popanda kufunikira kwa akatswiri ogwira ntchito m'ng'anjo kuti aziwotcha ndi kusindikiza pasadakhale. Osadandaula za kuwonongeka kwa ma billets otentha mu ng'anjo ya malasha chifukwa cha kuzimitsa kwa magetsi kapena kuwonongeka kwa zida.

Chifukwa cha kuthamanga kwachangu kwa njira yotenthetsera iyi, pali okosijeni pang'ono. Poyerekeza ndi zoyatsira malasha, toni iliyonse ya forgings imapulumutsa osachepera 20-50 kilogalamu yazitsulo zopangira zitsulo, ndipo mphamvu yake yogwiritsira ntchito zinthu imatha kufika 95%.

Chifukwa cha kutentha kwa yunifolomu komanso kusiyana kochepa kwa kutentha pakati pa pachimake ndi pamwamba, njira yotenthetsera iyi imawonjezera kwambiri moyo wautumiki wa forging kufa popanga, komanso kuuma kwapang'onopang'ono kumakhalanso kosakwana 50um.

(2) Malo apamwamba ogwirira ntchito, malo ogwirira ntchito bwino komanso chithunzi cha kampani kwa ogwira ntchito, chosaipitsa, komanso kugwiritsa ntchito mphamvu zochepa

Poyerekeza ndi masitovu a malasha, ng'anjo zotenthetsera zotenthetserako sizimachititsanso antchito kuti aziwotcha ndi kusuta masitovu a malasha padzuwa lotentha, kukwaniritsa zofunika zosiyanasiyana za dipatimenti yoteteza zachilengedwe. Panthawi imodzimodziyo, amakhazikitsa chithunzi chakunja cha kampaniyo komanso chitukuko chamtsogolo chamakampani opanga zinthu.

(3) Kutentha kwa yunifolomu, kusiyana kochepa kwa kutentha pakati pa pachimake ndi pamwamba, ndi kuwongolera kutentha kwakukulu

Kutentha kwa induction kumatulutsa kutentha mkati mwa chogwiriracho chokha, zomwe zimapangitsa kutentha kofanana ndi kusiyana kochepa kwa kutentha pakati pa pachimake ndi pamwamba. Kugwiritsa ntchito dongosolo lowongolera kutentha kumatha kukwaniritsa kuwongolera kutentha, kuwongolera mtundu wazinthu komanso kuchuluka kwa ziyeneretso.

pafupipafupi mphamvu

Industrial frequency induction ng'anjo ndi induction ng'anjo yomwe imagwiritsa ntchito ma frequency a mafakitale (50 kapena 60 Hz) ngati gwero lamagetsi. Mng'anjo yamagetsi yamagetsi yamagetsi yapangidwa kukhala chida chosungunulira chomwe chimagwiritsidwa ntchito kwambiri. Amagwiritsidwa ntchito makamaka ngati ng'anjo yosungunuka kuti asungunuke chitsulo chonyezimira, chitsulo chosungunuka, chitsulo chosungunuka, ndi chitsulo cha alloy cast. Kuphatikiza apo, imagwiritsidwanso ntchito ngati ng'anjo yotsekera. Momwemonso, ng'anjo yopangira mphamvu pafupipafupi yalowa m'malo mwa cupola ngati gawo lopangira

Poyerekeza ndi cupola, ng'anjo yamagetsi yopangira mafakitale imakhala ndi zabwino zambiri, monga kuwongolera kosavuta kwa chitsulo chosungunula ndi kutentha, mpweya wochepa komanso kuphatikizika muzoponyera, kusaipitsa chilengedwe, kusungitsa mphamvu, komanso kuwongolera magwiridwe antchito. Chifukwa chake, m'zaka zaposachedwa, ng'anjo zamagetsi zamagetsi zamakampani zakula mwachangu.

Zida zonse zopangira ng'anjo yamagetsi yamagetsi zimaphatikizapo magawo anayi akuluakulu.

1. Chigawo cha thupi la ng'anjo

Thupi la ng'anjo yamagetsi yosungunula chitsulo chosungunula limapangidwa ndi ng'anjo ziwiri zopangira (imodzi yosungunulira ndi ina yosungira), chivundikiro cha ng'anjo, chimango cha ng'anjo, silinda yamafuta akung'anjo, ndi chivundikiro cha ng'anjo yotsegula ndikutseka.

2. Gawo lamagetsi

Gawo lamagetsi limapangidwa ndi ma transfoma amphamvu, zolumikizira zazikulu, zolumikizirana, ma capacitor owongolera, ma capacitor olipira, ndi zowongolera zamagetsi.

3. Madzi ozizira dongosolo

Dongosolo la madzi ozizira limaphatikizapo kuziziritsa kwa capacitor, kuziziritsa kwa inductor, ndi kuzizira kwa chingwe chosinthika. Njira yamadzi ozizira imakhala ndi mpope wamadzi, thanki yamadzi yozungulira kapena nsanja yozizirira, ndi mavavu apaipi.

4. Dongosolo la Hydraulic

Dongosolo la hydraulic limaphatikizapo thanki yamafuta, pampu yamafuta, mota yapampopi yamafuta, mapaipi amtundu wa hydraulic system ndi mavavu, ndi nsanja yamagetsi yama hydraulic.

Mafupipafupi apakati

Ng'anjo yopangira mphamvu yokhala ndi ma frequency amagetsi amtundu wa 150-10000 Hz imatchedwa ng'anjo yapakatikati, ndipo ma frequency ake akulu amakhala mumitundu ya 150-2500 Hz. Magetsi ang'onoang'ono akunyumba ang'onoang'ono opangira ng'anjo amakhala ndi ma frequency atatu: 150, 1000, ndi 2500 Hz.

ng'anjo yapakatikati yopangira ng'anjo ndi zida zapadera zazitsulo zoyenera kusungunula zitsulo zapamwamba kwambiri ndi ma alloys. Poyerekeza ndi ng'anjo zoyendetsera ntchito, ili ndi zabwino izi:

(1) Kuthamanga kwachangu kusungunuka komanso kuchita bwino kwambiri. Kuchulukitsitsa kwamphamvu kwa ng'anjo zapakati pafupipafupi ndikwambiri, ndipo kasinthidwe kamphamvu pa tani imodzi yachitsulo ndi pafupifupi 20-30% kuposa momwe amapangira ng'anjo zamagetsi pafupipafupi. Choncho, pansi pa zikhalidwe zomwezo, kuthamanga kwa ng'anjo yapakatikati yothamanga kwafupipafupi kumathamanga ndipo kupanga bwino kumakhala kwakukulu.

(2) Kusinthasintha kwamphamvu komanso kugwiritsa ntchito mosavuta. Ng'anjo iliyonse ya ng'anjo yapakati pafupipafupi imatha kutulutsa chitsulo chosungunuka, ndikupangitsa kuti ikhale yabwino kusintha kalasi yachitsulo; Komabe, madzi achitsulo mu ng'anjo iliyonse ya ng'anjo yamagetsi yamagetsi samaloledwa kutulutsidwa kwathunthu, ndipo gawo lamadzimadzi achitsulo liyenera kusungidwa kuti ng'anjo yotsatira iyambe. Choncho, kusintha kalasi yachitsulo sikoyenera ndipo ndikoyenera kusungunula chitsulo chimodzi chokha.

(3) Mphamvu yamagetsi yamagetsi ndi yabwino. Chifukwa cha mphamvu yamagetsi yamagetsi yoyendetsedwa ndi chitsulo chamadzimadzi mosagwirizana ndi muzu wapakati wamagawo amagetsi, mphamvu yolimbikitsa yamagetsi apakati ndi yaying'ono kuposa mphamvu yamagetsi yamagetsi. Kuchotsa zinyalala, yunifolomu mankhwala zikuchokera, ndi yunifolomu kutentha mu zitsulo, kusonkhezera zotsatira sing'anga pafupipafupi magetsi ndi zabwino. Mphamvu yowonjezereka ya mphamvu yamagetsi yowonjezera mphamvu yowonjezera mphamvu yowonjezera mphamvu yachitsulo pazitsulo za ng'anjo yamoto, zomwe sizimangochepetsa mphamvu yoyenga komanso zimachepetsanso moyo wa crucible.

(4) Yosavuta kuyambitsa ntchito. Chifukwa champhamvu yapakhungu yapakatikati yapakatikati yomwe ikukulirakulirapo kuposa mphamvu yama frequency apano, palibe chofunikira chapadera pazida za ng'anjo panthawi yoyambira ng'anjo yapakatikati. Pambuyo potsitsa, imatha kutenthedwa mwachangu ndikutenthetsa; Ng'anjo yamagetsi yamagetsi yamafakitale imafuna chipika chotsegulira mwapadera (pafupifupi theka la kutalika kwa crucible, monga chitsulo choponyedwa kapena chitsulo) kuti iyambitse kutenthetsa, ndipo kutentha kumayenda pang'onopang'ono. Chifukwa chake, pogwira ntchito nthawi ndi nthawi, ng'anjo zapakati pafupipafupi zimagwiritsidwa ntchito kwambiri. Ubwino winanso wosavuta woyambira ndikuti umatha kupulumutsa magetsi nthawi ndi nthawi.

Chipangizo chowotcha ng'anjo yapakatikati chimakhala ndi ubwino wa voliyumu yaying'ono, kulemera kwake, kuyendetsa bwino kwambiri, khalidwe labwino kwambiri lopangira matenthedwe, komanso malo abwino. Ikuchotsa mwachangu ng'anjo za malasha, ng'anjo za gasi, ng'anjo zoyaka mafuta, ndi ng'anjo wamba zosakanizidwa, ndipo ndi m'badwo watsopano wa zida zotenthetsera zitsulo.

Chifukwa cha zabwino zomwe tazitchula pamwambapa, ng'anjo zapakatikati zapakatikati zakhala zikugwiritsidwa ntchito kwambiri popanga zitsulo ndi ma aloyi m'zaka zaposachedwa, komanso zakula kwambiri popanga chitsulo chosungunula, makamaka pamisonkhano yoponyera ndi ntchito nthawi ndi nthawi.