China OEM isiko ductile intsimbi elahlekileyo waxiimveliso zotyalo-malingomatshini we-CNC, unyango lobushushu kunye neenkonzo zonyango ezingaphezulu.
Ngokuqhelekileyo iphoswe ngokuphosa utyalo-mali, ukuphosa kwesanti eluhlaza kunyeiqokobhe ngundo ukuphosa, Iintsimbi ze-ductile castings zibonelela ngokuguquguquka koyilo kunye nokunciphisa iindleko zokuvelisa ngokubhekiselele kwizinto ezenziwe nge-welded kunye ne-forgings. I-Ductile iron castings ineempawu ezininzi, nangona kunjalo, ayisoloko iyeyona ndlela ingabizi kakhulu kwezinye iialloys ezine-ferrous. Ukongeza, ii-iron ze-ductile zisetyenziswa ngokubanzi kumashishini amaninzi okuvelisa, kubandakanya ezolimo, iimoto, ii-hydaulics, oololiwe bakaloliwe, iilori zorhwebo kunye nemizi-mveliso ye-aerospace.
Intsimbi yokuphosa, ingakumbi i-grey cast iron kunye ne-ductile (i-nodular) i-cast cast isetyenziselwa ubukhulu becala ngeenkqubo zokuphosa isanti, ukubunjwa kweqokobhe, ukuphosa kwesanti egqunyiweyo okanye ukuphosa ugwebu olulahlekileyo. Nangona kunjalo, kwimeko ethile ekhethekileyo, iinkqubo yokuphosa utyalo-mali olulahlekileyoIkwasetyenziswa ngenxa yomgangatho wabo ocolekileyo kunye nokuchaneka okuphezulu. Kwi-RMC, sikwanaso ne-tha isakhono sokuphosa intsimbi engwevu kunye ne-ductile ngokuchaneka okulahlekileyo kotyalo-mali olulahlekileyo kusetyenziswa i-silica sol kunye neglasi yamanzi kwisakhiwo seqokobhe. Ii-ayini zentsimbi zialloyi zeferrous ezinekhabhoni engaphezulu kwe-2%. Nangona iintsimbi eziphothiweyo zinokuba nepesenti yekhabhoni phakathi kwe-2 ukuya kwi-6.67, umda osebenzayo uqhelekile phakathi kwe-2 kunye ne-4%. Ezi zibalulekile ikakhulu ngenxa yeempawu zabo ezibalaseleyo zokusa. Iintsimbi eziphoswe ngengwevu kunye neentsimbi eziphoswe nge-ductile (ekwabizwa ngokuba yi-nodular cast iron okanye i-spheroidal graphite iron).
Xa i-graphite ikhona njengamancinci amancinci, ajikelezayo, kwaye asasazwe kakuhle, umphumo wayo obuthathaka uncinci kwaye iintsimbi ezinjalo eziphosiweyo ziya kuba ne-ductility ephezulu. Olu hlobo lwentsimbi lubizwa ngokuba yi-ductile okanye i-nodular iron okanye i-spheroidal graphite okanye ngokulula i-SG iron. Olu hlobo lwegraphite lunokufezekiswa ngokudibanisa i-elemental magnesium okanye i-cerium okanye indibaniselwano yezinto ezimbini kwintsimbi etyhidiweyo. I-Magnesium yongezwa kubuninzi be-0.07 ukuya kwi-0. 10% ilandelwa ngokongezwa kwe-ferro-silicon ukukhuthaza i-graphitization. Ngexesha lokuqina, i-magnesium inceda ekusasazeni igraphite kuyo yonke isinyithi.
I-Ductile iron inomlinganiselo ongcono wokomelela ukuya kubunzima, ukunyanzeliswa okungcono kunye nexabiso lempembelelo ephezulu. Ngaphezulu, amacandelo entsimbi adityanisiweyo aveliswa ngenkqubo yokuphosa apho ulawulo olungcono lwemilo yecandelo lunokufezekiswa xa kuthelekiswa nokuwisa. Yiyo loo nto, uninzi lwamalungu anje nge crank shafts kunye nee rods ezidityanisiweyo ezenziwe ngokuqhelekileyo ngokufakwa kwedropha ziya zithathelwa indawo yi ductile iron castings.
