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Akuyika amatha kuumba mchenga dothi: ubwino

The njira ya ulimi foundry wa akusowekapo zitsulo amachitika m'njira zosiyanasiyana. Monga mankhwala chifukwa zimadalira maziko a makhalidwe pa maziko a chinthu yoyerekeza, ndiko kuti, mawonekedwe, mwini chimadzaza tsogolo la zinthu workpiece. Mmodzi wa umisiri wotchuka kwambiri ndi kuwatayira amatha kuumba mchenga dothi, amene amapereka zambiri za ubwino. Njira akale ndithu, koma ntchito mwakhama kupanga magulu - kuchokera zokambirana ang'onoang'ono makampani akuluakulu.

General zokhudza sayansi

Akamaumba ndondomeko ndi ndondomeko luso zinachititsa ku osungunula zitsulo kale anapanga billet kapena chotsirizidwa ndi zofunika magawo geometrical. Pofuna kukwaniritsa mawonekedwe ankafunila lolingana zofunikira za chitsanzo ntchito. Chonyamulira ndi maziko kuponyera mu nkhani iyi ndi amatha kuumba mchenga dothi. Iwo aumbike mwa magulu awiri a zigawo. Mu gawo loyamba la zirconia ndi mchenga silika, ndipo chachiwiri - kaolin wa ndi bentonite dongo. Potero kupanga osakaniza anasonyeza limodzi, lomwe pa ntchito amalandira workpiece chuma m'tsogolo. Koma izi si onse zigawo zikuluzikulu limene kuponyera ali anazindikira mu mawonekedwe a mchenga ndi dongo. luso si popanda zida chitsanzo, limene ndi mtundu wa chitsanzo kukolola m'tsogolo. Pakuti ichi kayeseleledwe ntchito mollusks kapena ofewa mu Machining zipangizo - monga matabwa kapena zitsulo kuwala. Komabe, maziko sikutanthauza amangonena kuti tidziteteze m'pofunika kutsanzira chandamale katunduyo. Koma izo zimachitika kuti mbuye kuthana ndi mankhwala okonzeka zopangidwa, lomwe magawo ayenera mobwerezabwereza mwa kuchita. Tsopano m'pofunika usapite phindu njira imeneyi.

A zosiyanasiyana

Kuvuta ntchito njira kwambiri ndi zitsanzo akuponya ndi luso sasamalira chiwonongeko cha dongosolo lawo. Izi kwambiri zimasokoneza njira ya opaleshoni, ntchito ndi ogwira ntchito complicating. Pankhani ya maonekedwe mchenga dothi malire kulibe, chifukwa njira poyamba adzatenge ntchito nkhungu umodzi. Komabe, izi sizikutanthauza kuti zipangizo reusable ndi mfundo mulibemo. Chifukwa cha mawonekedwe chuma zikhoza kugwiritsidwa ntchito malonda, ngati osati malinga ndi zofunika za zotsatira komaliza kwa ndondomekoyi. Luso ndi gulu ubwino akuyika amatha kuumba mchenga dothi kwakukulukulu anatsimikiza ndi malowedwe athu kwa gawo yeniyeni ya ntchito. Pankhani ya munthu-chidutswa tooling amadalira m'zigawo za nkhungu popanda kuwononga, ndipo kupeza castings ndi magawo chofunika. Izi kawirikawiri amagwiritsidwa ntchito castings yosavuta. Koma pamene izo zifika kamangidwe ka workpieces zovuta, ntchito kugawanika anagwa mawonekedwe, umene basi palibe chiletso mawu a magawo mankhwala chofunika.

Zopangapanga kupezeka ndondomeko gulu

Chitsanzo cha ntchito amatha kuumba mchenga kwa kuponyera likuwonetsa momwe zaphindu kungakhale chikhalidwe kupanga njira pa panopa. Pankhaniyi amayamba ndi kuponyera yosavuta gulu. Ntchito Tiyenera anapereka tatchulawa zipangizo mawerengeredwe mawonekedwe ndi tooling, amene sikutanthauza njira yovuta. Pulayimale chitsanzo akamaumba akhale nkhuni monga chida kuphunzira kalipentala. Pokhapokha udindo mafakitale kupanga castings wa mawonekedwe zovuta zosungidwazo zimagwiritsidwa ntchito ndi processing zina ndi impregnating nkhaniyi. Komanso, zovuta zosiyanasiyana kuponyera mchenga ndi mawonekedwe dongo amapangidwa ndi zitsulo ndi pulasitiki. Koma, mobwerezanso, izo zifika kupanga apadera. Khalani limasonyeza kuti dziko za 80-90% ya castings zonse chopangidwa ntchito zipangizo yosavuta mu mawonekedwe a zipangizo zidutswa ndi ochiritsira kuyanika zipinda.

kuthekera zachuma

Childs, ntchito amatenda anasonyeza limodzi ndi ndondomeko mtengo. Choncho, kuthetsa zosankha pokha pokha kwambiri, ngati mufuna kubala mbali yosiyanasiyana kapangidwe mwambo. Koma kachitidwe n'zosiyana zikusonyeza foundry. Akuyika amatha kuumba mchenga dothi wolungama ndalama, ngakhale milandu pamene ntchito wawononga maziko. Izi akhoza zimachitika ndalama-bwino ndi mawonekedwe palokha, ndipo pa dongosolo la mawerengeredwe.

The amagwiritsidwa ntchito mwanjira ya umisiri

Pali zina mwa zitsanzo za ulimi, umene akhoza kuchepetsa kuchuluka kwa ntchito njira imeneyi. Izo ntchito makampani, zomangamanga, kupanga yaing'ono-mtanda ndi chidutswa mbali koyenera, zokambirana makamaka, ndi zina zotero. D. Ngati wapadera mkulu-mwatsatanetsatane kupanga mizere musalole ndondomeko imeneyi chifukwa sangathe kupereka mlingo woyenera wa lolondola makhalidwe workpiece. Komanso ku mawonedwe a ntchito zachitsulo chimasungunula titchuke amagwiritsidwa ntchito mwanjira chionekera bwino umisiri ena akuyika mawonekedwe mchenga. Mwachidule kusonyeza zosayenera ntchito gulu zitsulo refractory kungakhale alloyed mitundu. zitsulo Traditional umapangidwa mwangwiro yabwino ntchito opaleshoni akamaumba.

zopindika zotheka kuponyera

Mfundo ofooka njira imeneyi, monga taonera pamwambapa, ndi lolondola otsika magawo a workpiece lapansi. Zamgululi analandira waukali, osati nthawi zonse symmetrical, ndi kukhalapo vuto ena. nuance Izi ndi mbali n'zosiyana wa roughness ndi omasuka kupanga tooling. Kuwonjezera akuponya mawonekedwe mchenga amalola mavuto kulowa kuponyera zikuchokera inclusions nonmetallic. Malinga zitsulo yokha zichitike ndi mpweya porosity. Koma zimenezi sizikutanthauza kuti ziwonongeke kukhala cholepheretsa ntchito ambiri luso mchenga akamaumba. Zoperewerazo sangathe zimenezi zingakhale zoletsedwa ndi malamulo a kuponyera khalidwe.

Malangizo kwa preform khalidwe

Technology Nsonga kutsatira malamulo zofunikira ziwiri adzabwera pafupi ndi kupeza chifukwa ankayembekezera. Choyamba, muyenera kupewa kugwiritsa ntchito njira mu fluidity otsika zitsulo. chakuti mtengo mkulu kuzirala akhoza kulimbikitsa kwambiri kuzirala kwa Sungunulani, zimene zimachititsa mapangidwe mphambano ndi underfilling. nuance chachiwiri kukusalani limene palibe mtengo akatswiri umodzi kuponyera mchenga dothi mitundu nkhawa akupanga ndi kulolerana zing'onozing'ono voliyumu ya preform lapansi. Kuwonjezeka zoikamo koyamba zina amalola umakaniko kusintha mankhwala popanda chiopsezo kuwonongeka osasinthika.

Pomaliza

njira yosavuta angakwanitse, koma sizikutanthauza kuti siyikhuzana chitukuko. M'madera ena akuyika amatha kuumba mchenga dothi amagwiritsidwa akweza, konza moyenera ndondomeko komanso kuthetsa ena mwa zolakwa zake. The olemekezeka ndi zingamuthandize nthambi ya njira imatengedwa kusamutsidwa mawonekedwe. Mfundo za ntchito mchenga kukhala zofanana, mwachoncho, monga dongo binder chigawo gulu maziko Pankhaniyi Kwaletsedwa.

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