NKHANI

Pamene zitsulo kuponyera opanga kuponya castings, iwo nthawi zambiri zimayambitsa zofooka mu castings chifukwa ❖ kuyanika mavuto khalidwe.Anthu ambiri amasokonezeka kuti kupaka ndi sitepe yaing'ono chabe.Kodi zimenezi zingatheke bwanji?M'malo mwake, palibe masitepe akuluakulu kapena ang'onoang'ono pakuponya.Kulakwitsa mu sitepe iliyonse ngakhale yosadziwika bwino kumabweretsa mavuto abwino kapena kuchotsedwa kwa kuponyera.Cholinga cha kupaka utoto pachitsanzo ndikuwongolera kung'anima kwa malo oponyera ndikupewa zolakwika zoponya monga mchenga adhesion, zomwe zimakhala zothandiza kwambiri.

Pamene refractoriness wa ❖ kuyanika sikokwanira, zochita mankhwala zimachitika pamene ❖ kuyanika abwera kukhudzana ndi mkulu kutentha chitsulo chosungunuka, kuchititsa mchenga kumamatira pamwamba kuponyera;pamene kusauka kwamadzimadzi ndi kukhuthala kwapamwamba kwa zokutira kumapangitsa kuti zokutira ziyende pansi osati kudontha, ndiye kuti wopanga zitsulo amadutsa Zaka zambiri zoponyedwa zapeza kuti zizindikiro zotuluka zidzachitika pamwamba pazitsulo zoponyera;pa ❖ kuyanika ndi kupopera mbewu mankhwalawa, osauka interlayer adhesion pakati pa gawo lapansi ndi utoto kumabweretsa mavuto penti peeling, kupanga castings opangidwa ndi vuto.Mavuto amtundu, mawonekedwe osawoneka bwino komanso mawonekedwe abwino, owopsa amayenera kuchotsedwa ndikukonzedwanso, zomwe zimachedwetsa nthawi yopanga;kuponyera zokutira kumakhalanso ndi kukana kwa mchenga wabwino, kukana ming'alu, kusungidwa, ndi mphamvu zina za pamwamba, ndi zina zotero, kotero kuti zokutira zimakhazikika Zingalepheretse kuwonongeka kwa nkhungu pamene mukukumana ndi zokopa zakunja, zoyendetsa, kuyika pachimake ndi kutseka kwa bokosi.Ngati zokutira sizikhala ndi zotsatira zabwino izi, mavuto ambiri oponyera amachitika pakupanga.

Choncho, opanga zitsulo zopangira zitsulo ayenera kusankha zokutira zapamwamba, zomwe zingathe kupeŵa mchenga wamakina ndi mankhwala omwe amamatira pamwamba pa castings, komanso kupititsa patsogolo mawonekedwe a pamwamba ndi khalidwe lamkati la castings.

Zhejiang Jinhua Shanvim Industry and Trade Co., Ltd., yomwe inakhazikitsidwa mu 1991.Zogulitsa zazikuluzikulu ndizovala zosagwira ntchito monga malaya, mbale ya mbale, mbale ya nsagwada, nyundo, nkhonya, mphero yamagetsi, ndi zina zotero. Sing'anga ndi mkulu chromium kuponyedwa chitsulo zipangizo, etc.. Iwo makamaka umabala ndi kupereka kuvala zosagwira castings kwa migodi, simenti, zomangira, zomangamanga zomangamanga, mphamvu ya magetsi, mchenga ndi miyala aggregates, makina kupanga ndi mafakitale ena.