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A matsayina na mai kera mold a ƙasar Sin, idan aka kwatanta da mold na cikin gida, farashin mold na fitar da shi ya fi yawa a shekarun da suka gabata, gibin ya samo asali ne daga ma'aunin rashin daidaituwa. Ƙungiyar Masana'antar Roba ta Amurka (SPIAN-102-78) ta raba mold ɗin zuwa rukuni biyar. Waɗannan nau'ikan mold guda biyar suna da buƙatu daban-daban, kuma ma'aunin rarrabuwa ya shafi kawai don daidaita injin allura wanda ke da ƙarfin matsewa ƙasa da tan 400.

Tsawon rayuwar zagayawar har sau miliyan 1, musamman ga ƙarfin samar da samfurin. Zaɓin mafi kyawun ƙarfen zagayawar don ƙera, wanda ya dace da wannan ƙirar yana buƙatar mafi girman farashi. An nuna buƙatun kamar haka:

(1) Ana buƙatar samun cikakkun bayanai game da ƙirar mold.
(2) Bukatun taurin tushen mold aƙalla BHN280 (HRC30).
(3) Ya kamata a yi amfani da saman mold (gami da rami da ƙusoshin tsakiya) aƙalla a cikin kewayon taurin BHN450 (48HRC), duk sauran kayan haɗi kamar sliders, lifters, miƙe lifters, da sauransu.
(4) Tsarin fitar da iska zai kasance yana da tsarin jagora.
(5) Dole ne a sanya wa mai zamiya gefe farantin lalacewa.
(6) Ya kamata a sanya mold na rami, core mold, slider da sauran sassan da ke cikin mold ɗin tare da na'urar auna zafin jiki.
(7) Game da tsawon lokacin da aka yi amfani da shi wajen yin mold, ingancin samfurin zai ragu ko kuma za a tsawaita lokacin yin molding saboda bututun ruwa mai sanyaya ya lalace kowace rana, don haka an shawarci masu sakawa ko faranti na mold su yi maganin hana lalata.
(8) Duk waɗannan ƙirar za a sanya musu tsarin mannewa a layin rabuwa.

AJI NA 2

Tsawon rayuwar injin yana kaiwa sau 500,000 zuwa 1, 000,000. Domin samar da manyan kayayyaki, za a yi amfani da ƙarfe mai inganci don ƙera shi, farashi mai tsada. Bukatun sune kamar haka:

(1) buƙatar samun cikakkun bayanai game da ƙirar mold.
(2) Bukatun taurin tushen mold aƙalla BHN280 (HRC30).
(3) Taurin rami da kuma taurin saman tsakiya ya kamata su kasance cikin kewayon BHN540 (HRC 48), duk sauran kayan aikin da aka yi amfani da su ya kamata a yi musu magani da zafi.
(4) Sanya na'urar auna zafin jiki a kan mold, core mold, sliders da sauran wurare masu yuwuwa.
(5) Duk wani nau'in wannan nau'in za a sanya masa hanyar mannewa tsakanin saman layin rabuwar.
(6) Ana buƙatar ko ba a buƙata ba, dangane da adadin samarwa na ƙarshe. Ana ba da shawarar cewa waɗannan abubuwan suma su yi ƙimar da aka tabbatar.
Tsarin jagorar Ejector, Farantin lalacewa na slider, hana lalata bututun da ke kewaye da rami, Electroplating akan mold na rami (anti-corrosion).

AJI NA 3

Ana amfani da shi a matsayin matsakaicin yawan samfura, farashin ya dace. Bukatun sune kamar haka:

(1) buƙatar samun cikakkun bayanai game da ƙirar mold.
(2) Bukatun taurin tushen mold aƙalla BHN165 (HRC17).
(3) rami da kuma ƙwanƙolin tsakiya dole ne su kasance suna da tauri aƙalla BHN280 (HRC30) ko fiye.
(4) duk sauran kayan haɗi kyauta ne ga masu samar da kayayyaki.

AJI NA 4

Tsawon rayuwar zagayowar rayuwa har sau 100,000. Ga ƙarancin ƙarfin samarwa na samfura, juriyar lalacewa ta kayan mold ba ta da yawa, farashin ya yi ƙasa da matakin da aka saba. Bukatun sune kamar haka:

(1) Shawarar bayar da bayanai game da ƙirar mold.
(2) Tushen mold ɗin zai iya zama ƙarfe mai laushi ko ƙarfe na aluminum.
(3) Tsarin ramin zai iya zama ƙarfe na aluminum, ƙarfe mai laushi ko wani abu da za a iya gano shi.
(4) Duk kayan haɗi kyauta ne ga masu samar da kayayyaki.

AJI NA 5

Lokacin zagayowar ba ya wuce sau 500. Ana amfani da shi don samar da adadi mai iyaka na samfurin farko, farashin yana da arha sosai. Bukatun sune kamar haka:

Tsarin mold ɗin na iya zama kayan da aka yi da ƙarfe, resin epoxy, ko wani abu da ke ba da isasshen ƙarfi don samar da mafi ƙarancin adadin sassa.