Iyo jekiseni yekuumba maitiro inoshandisa mold, kazhinji inogadzirwa nesimbi kana aluminium, sechinyakare chishandiso.Iyo mold ine zvinhu zvakawanda, asi inogona kupatsanurwa kuita hafu mbiri.Hafu yega yega inosungirirwa mukati memushini wekuumba jekiseni uye hafu yekumashure inotenderwa kutsvedza kuitira kuti mold ivhurwe nekuvharwa pamwe chete ne mold.mutsara wekuparadzanisa.Izvo zvikamu zviviri zvakakosha zve mold ndeye mold core uye mold cavity.Kana mold yakavharwa, nzvimbo iri pakati pepakati pepakati negomba rekuumbwa inoumba chikamu chegomba, icho chinozadzwa nepurasitiki yakanyungudutswa kugadzira chikamu chinodiwa.Multiple-cavity molds dzimwe nguva inoshandiswa, umo maviri mold halves anoumba akati wandei akafanana chikamu cavities.
Mold base
Iyo mold core uye mold cavity inomisikidzwa kune mold base, iyo inozogadziriswa kune iyomaplatensmukati mejekiseni rekuumba muchina.Iyo yepamberi hafu yechigadziko che mold inosanganisira ndiro yekutsigira, iyo iyo mold cavity yakasungirirwa, iyospruebushing, mukati mayo zvinhu zvichayerera kubva mumuromo, uye mhete yekuwana, kuitira kurongedza chigadziko che mold nemuromo.Iyo yekumashure hafu ye mold base inosanganisira ejection system, iyo iyo mold core inosungirirwa, uye ndiro yekutsigira.Kana iyo clamping unit inoparadzanisa mold halves, iyo ejector bar inosimudzira ejection system.Iyo ejector bar inosundira ejector plate kumberi mukati meiyo ejector bhokisi, iyo inosundidzira ejector mapini muchikamu chakaumbwa.Mapini ejector anosundira chikamu chakaomeswa kubva mumhango yakashama mold.

Mold channels
Kuti ipurasitiki yakanyungudutswa iyerere ichipinda mumakomba ekuumbwa, nzira dzinoverengeka dzakabatanidzwa mukugadzira mold.Kutanga, ipurasitiki yakanyungudutswa inopinda muforoma kuburikidza nesprue.Dzimwe nzira, dzinodanwavamhanyi, takura purasitiki yakanyungudutswa kubva kuspruekumapako ese anofanira kuzadzwa.Pakupera kwemumhanyi wega wega, purasitiki yakanyungudutswa inopinda mugomba kuburikidza negedhiiyo inotungamirira kuyerera.Purasitiki yakanyungudutswa inoomesa mukati meizvivamhanyiinosungirirwa kune chikamu uye inofanira kupatsanurwa mushure mokunge chikamu chacho chabudiswa kubva muhutu.Nekudaro, dzimwe nguva inopisa mumhanyi masisitimu anoshandiswa ayo anozvimiririra kupisa machani, achibvumira izvo zvirimo kuti zvinyungudutswe uye kuvharirwa kubva muchikamu.Imwe mhando yechiteshi inovakwa mu mold inzira yekutonhodza.Migero iyi inobvumira mvura kuyerera nemumadziro ekuumbwa, pedyo negomba, uye kutonhora purasitiki yakanyungudutswa.

Mold design
Pamusoro pevamhanyiuyemagedhi, kune dzimwe nyaya dzakawanda dzekugadzira dzinofanirwa kutariswa mukugadzirwa kwezviumbwa.Chekutanga, mold inofanira kubvumira purasitiki yakanyungudutswa kuti iyerere zviri nyore mumakomba ese.Kukosha zvakaenzana ndiko kubviswa kwechikamu chakasimbiswa kubva mukuumbwa, saka dhizaini yekona inofanirwa kuiswa kumadziro eforoma.Dhizaini ye mold inofanirawo kugarisa chero maficha akaoma pane chikamu, sengeundercutskana shinda, izvo zvinoda mamwe mold zvidimbu.Zvizhinji zvezvishandiso izvi zvinotsvedza muchikamu chegomba kuburikidza nedivi reforoma, uye nekudaro zvinozivikanwa semasiraidhi, kana.divi-zviito.Rudzi rwakawanda rwechiito cherutivi ndiside-coreiyo inogonesa ankunze undercutkuumbwa.Mimwe michina inopinda nekumagumo kwe mold pamwe nenzira yekuparadzana, zvakaita sezvemukati core lifters, iyo inogona kuumba anmukati undercut.Kuumba shinda muchikamu, anmudziyo wekusunungurainodiwa, iyo inogona kutenderera kubva muforoma mushure mekunge tambo dzagadzirwa.