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Chifukwa chiyani mtedza wamphamvu umafunikira kuthetsa kuuma kuti mupeze zofunikira

Chifukwa chiyani mtedza wamphamvu umafunikira kuthetsa kuuma kuti mupeze zofunikira
Magawo ena amakhala ndi kupsinjika kwambiri kuposa komwe kumachitika chifukwa cha kusinthana katundu ndi zomwe zimakhudza katundu monga torsion ndikugwada. Pankhani ya mikangano, pansi pamalopo mumavalanso nthawi zonse. Chifukwa chake, zofunikira zamphamvu kwambiri, kuuma kwambiri, kukana kwambiri komanso kuchepa kwamphamvu zimayikidwa kutsogolo kwa magawo ena. Kulimbitsa kokha pamtunda ndi komwe kungakwaniritse izi pamwambapa. Chifukwa cha zabwino za kuchekeka pang'ono komanso kupanga zochulukirapo, kuzimiritsa kwapanja kumagwiritsidwa ntchito kwambiri pakupanga.
Malinga ndi njira zosiyanasiyana zotenthetsera, kuzimiritsa pamtunda kumaphatikizaponso kuyatsa kuzimitsa pamwamba pamoto, kuwotcha kwamoto pamoto, kuzimitsa kwamagetsi.
• kuphatikizira padziko kuumitsa
Kutentha koyambitsa ndikugwiritsa ntchito magetsi ophatikizira pamagetsi kuti apange eddy yomwe ilipo mu workspaper ndikuwotcha chintchito. Poyerekeza ndi kuzimitsa wamba, kuzimitsa pamtunda kumakhala ndi zabwino zotsatirazi:
1. Mphamvu yotentha ili pamwamba pa malo ogwiritsira ntchito, mwachangu kuthamanga ndi kutentha kwakukulu
2. Chifukwa choti chosungira sichikutenthetsedwa chonse, mapangidwe ake ndi ochepa
3. Yotentha nthawi yochepa komanso kuchepera kwa makutidwe ndi okosijeni ndi kuponderezedwa
4. Makulidwe owonekera a work work ndi apamwamba, mphamvu ya notch yaying'ono, zotsatira zolimba, mphamvu ya kutopa ndi kuvala kukonzedwa kumakhala bwino. Ndikopindulitsa kukulitsa luso la zopangira, kupulumutsa kugwiritsa ntchito zinthu ndikusintha moyo wa magawo
5. Zipangizo zowerengera, kugwiritsa ntchito mosavuta komanso malo abwino ogwira ntchito
6. Choyenera pamakina ndi zochita zokha
7. Itha kugwiritsidwa ntchito osati kungotseka pamwambowo komanso kuchepa kwamkati ndi mankhwala othandizira kutentha.
Mfundo zoyambira kuzilimbitsa
Ntchito yolumikizirayo ikayikidwa mu inductor, pomwe inductor ikadutsa zomwe zikusinthika, mphamvu yamagetsi yosinthika ndi ma frequency ofanana ndi omwe amapangidwira mozungulira inductor, ndipo mphamvu yonyengerera yamagetsi imapangidwa mofananamo mu chida cholimbira, chomwe chimapanga zomwe zapangidwira pano pantchito, yomwe ndi Eddy pakalipano. Mothandizidwa ndi kukana kwa chidacho, mphamvu yamagetsi imasinthidwa kukhala mphamvu yotentha, zomwe zimapangitsa kutentha kwa chidutswa cha ntchitocho kufikira kuzima ndi kutentha.
• katundu pambuyo kuphatikizira padziko kuumitsa
1. Kuuma kwa pamwamba: kuuma kwa kapangidwe ka ntchito pambuyo pakuwotchera pafupipafupi komanso kwapakati pafupipafupi kumakhala kutenthetsa masentimita 2-3 (HRC) apamwamba kuposa ozimitsidwa wamba.
2. Kuthana ndi kuvala: kukana kwa zida zogwiritsidwa ntchito pambuyo poti kutsekeka kwapafupipafupi kumakhala kwakukulu kuposa kumene atangozimitsa. Izi zimachitika makamaka chifukwa chazophatikizira zazing'onoting'ono zazingwe za martensite, kupezeka kwa carbide, kuchuluka kwa kuuma kwambiri komanso kupsinjika kwakukulu pamtunda wa zolimba.
3. Kutopa kwamphamvu: kuthamanga komanso kwapakatikati kumazungulira bwino kumalimbitsa mphamvu ya kutopa ndikuchepetsa chidwi cha chidwi. Kwa iwo ogwirira ntchito ndi zinthu zomwezi, mphamvu yotopa imawonjezeka ndi kuwonjezeka kwa kuya kolimba mkati mwa gawo linalake, koma pamene kukula kolimba kuli kouma kwambiri, mawonekedwe osanjikiza amakhala opsinjika kwambiri, kotero mphamvu yakutopa imachepa ndikuwonjezereka kwa kuumitsa kuzama, ndipo kutsika kwa chida chogwirira ntchito kumawonjezeka. Kuzama kwa mawonekedwe owuma kwambiri δ = (10-20)% d. Ndizoyenera kwambiri, pakati pa D. Kodi ndi mainchesi ogwira ntchito.02


Nthawi yolembetsa: Apr-07-2020