Technical mavuto a kutentha mankhwala a kuwotcherera msoko wa welded chitoliro

The kuwotcherera ndondomeko mkulu-pafupipafupi welded zitsulo chitoliro (erw) ikuchitika pansi pa chikhalidwe cha kudya Kutentha mlingo ndi mkulu kuzirala.Kusintha kwachangu kwa kutentha kumayambitsa kupsinjika kwina kowotcherera, ndipo mawonekedwe a weld amasinthanso.Kapangidwe ka malo owotcherera pakati pa weld ndi Low-carbon martensite ndi dera laling'ono la ferrite yaulere;chigawo cha kusintha chimapangidwa ndi ferrite ndi granular pearlite;ndipo kapangidwe ka makolo ndi ferrite ndi pearlite.Choncho, ntchito ya chitoliro zitsulo ndi chifukwa cha kusiyana kwa microstructure metallographic wa weld ndi kholo thupi, zomwe zimabweretsa kuwonjezeka mphamvu index wa weld, pamene plasticity index amachepetsa, ndipo ndondomeko ntchito kuwonongeka.Pofuna kusintha ntchito ya chitoliro chachitsulo, chithandizo cha kutentha chiyenera kugwiritsidwa ntchito kuthetsa kusiyana kwa microstructure pakati pa zitsulo zowotcherera ndi zitsulo za makolo, kotero kuti mbewu zowonongeka zimayeretsedwa, kapangidwe kake ndi yunifolomu, kupsyinjika komwe kumapangidwa panthawi yozizira komanso yowotcherera. imachotsedwa, ndipo ubwino wa weld ndi chitoliro chachitsulo ndizotsimikizika.Tekinoloje ndi makina katundu, ndi atengere zofunika kupanga wa wotsatira kuzizira ntchito ndondomeko.

Pali mitundu iwiri ya njira zochizira kutentha kwa mipope yowotcherera yolondola:

(1) Annealing: Ndi makamaka kuthetsa kuwotcherera nkhawa boma ndi ntchito kuumitsa chodabwitsa ndi kusintha weld plasticity wa welded chitoliro.Kutentha kwa kutentha kuli pansi pa gawo la kusintha kwa gawo.
(2) Normalizing (normalizing mankhwala): Iwo makamaka kusintha inhomogeneity wa mawotchi katundu wa welded chitoliro, kuti mawotchi katundu kholo zitsulo ndi zitsulo pa weld ndi ofanana, kuti kusintha zitsulo microstructure. ndi kuyenga mbewu.Kutentha kwa kutentha kumatenthedwa ndi mpweya pamalo omwe ali pamwamba pa kusintha kwa gawo.

Malinga ndi zofunikira zosiyanasiyana ntchito mipope mwatsatanetsatane welded, akhoza kugawidwa mu weld kutentha mankhwala ndi wonse kutentha mankhwala.

1. Weld kutentha mankhwala: akhoza kugawidwa mu Intaneti kutentha mankhwala ndi offline kutentha mankhwala

Chithandizo cha kutentha kwa msoko wa weld: Chitoliro chachitsulo chikawotchedwa, zida zotenthetsera zapakati pafupipafupi zimagwiritsidwa ntchito pochiza kutentha motsatira njira ya axial ya msoko wa weld, ndipo m'mimba mwake amakula molunjika pambuyo poziziritsa mpweya ndi kuziziritsa madzi.Njirayi imangotenthetsa malo otsekemera, sichimaphatikizapo matrix achitsulo chubu, ndipo cholinga chake ndi kukonza ndondomeko yowotcherera ndikuchotsa nkhawa zowotcherera, popanda kufunikira kukonza ng'anjo yotentha.Msoko wowotcherera umatenthedwa pansi pa sensa yamakona anayi.Chipangizocho chili ndi chipangizo chodziwikiratu cha chipangizo choyezera kutentha.Pamene kuwotcherera msoko wapatuka, akhoza basi pakati ndi kuchita kutentha chipukuta misozi.Itha kugwiritsanso ntchito kuwotcherera zinyalala kutentha kupulumutsa mphamvu.Choyipa chachikulu ndi malo otentha.Kusiyana kwa kutentha ndi malo osatenthedwa kungayambitse kupsinjika kwakukulu kotsalira, ndipo mzere wogwira ntchito ndi wautali.

2. Chithandizo chonse cha kutentha: chikhoza kugawidwa mu chithandizo cha kutentha kwa intaneti ndi chithandizo cha kutentha kwapaintaneti

1) Chithandizo cha kutentha pa intaneti:

Chitoliro chachitsulo chikawotchedwa, gwiritsani ntchito zida ziwiri kapena zingapo zapakatikati kuti mutenthetse chitoliro chonse, tenthetsani kutentha komwe kumafunikira kuti mukhazikike kwakanthawi kochepa kwa 900-920 ° C, sungani kwa nthawi inayake. kwa nthawi, ndiyeno muziziziritsa mpaka pansi pa 400 ° C.Kuzizira kwachizolowezi, kuti gulu lonse la chubu likhale bwino.

2) Chithandizo cha kutentha mu ng'anjo yowotcha pa intaneti:

Chida chonse chochizira kutentha kwa mapaipi owotcherera chimaphatikizapo ng'anjo yachipinda ndi ng'anjo yopumira.Mpweya wosakanikirana wa nayitrogeni kapena wa hydrogen-nitrogen umagwiritsidwa ntchito ngati mlengalenga woteteza kuti musapeze okosijeni kapena dziko lowala.Chifukwa cha kuchepa kwamphamvu kwa ng'anjo zam'chipinda, ng'anjo zamoto zodzigudubuza zomwe zimagwiritsidwa ntchito nthawi zonse zimagwiritsidwa ntchito.Makhalidwe a chithandizo chonse cha kutentha ndi: panthawi ya chithandizo, palibe kusiyana kwa kutentha mu khoma la chubu, palibe kupsyinjika kotsalira komwe kungapangidwe, nthawi yotentha ndi yogwira ikhoza kusinthidwa kuti igwirizane ndi zovuta zowonjezera kutentha, ndipo Komanso akhoza basi kulamulidwa ndi kompyuta, koma wodzigudubuza pansi mtundu.Zida za ng'anjo ndizovuta ndipo mtengo wogwiritsira ntchito ndi wokwera.


Nthawi yotumiza: Dec-20-2022