Omuringo gw’okukora ebintu ebitari bimwe na bimwe eby’obuveera okukira munonga n’okusheenya, okusheesheka, n’okukyendeeza obucweka bw’emipiira kuba ebintu ebihweire. Ni omuringo gw’okwotsya reero okakyendeeza. Kandi n’omuringo gw’okuhindura obuveera kuruga omu bicweka bikye kuza omu bishushani bitarikushushana. Enkora neija kushoboororwa kuruga omu miteekateekyere y‘enkora y‘emitendekyere etari emwe n‘emwe.
1.Okushuuma
Ekirikureeta obutagatsi omu kikwato eki nikireetera obucweka bw’ebintu ebitari bimwe na bimwe kusheenya mpora mpora bikahinduka amaizi, ekirikukirayo kurungi omu kuhindura obutagatsi bw’ebintu ebitari bimwe na bimwe ebitari bimwe na bimwe. Okwongyera aha bwire bw’obwire nikiija kureetaho okurahuka kw’ebintu ebitari bimwe na bimwe, ekirikubaasa kwongyera aha busingye kwonka nikibaasa kutahamya ebirikurugamu. Kiine kuba kiri Balance ehikire. Okwongyera ahari ekyo, ekirungi ekirikurugamu n‘emitwarize y‘okusharaho kw‘okwotsya kw‘ahaiguru kwa PP n‘okugira ngu nikirungi kukora ngu ebintu ebikozirwe omu itaka bigyende gye kuhika aha kufa omu bwire bw‘okukora okwetantara okujwisa okutarikumara nari okugaruka enyima. Okugaruka enyima nikimanyisa ngu okugaruka enyima kw‘ebintu ebitari bimwe na bimwe nikurahuka kukira omubaro gw‘ebirikurugamu. Okwongyera aha nkora y‘okusheeshasheesha kwa purayimare nikwingana n‘okwongyera aha MFR, eri gumwe aha miringo eriho ey‘okukora, kwonka kandi neereetaho okugabwa kwa MFR okutari kwa buriijo, ekirikubaasa kureetera okweyongyera kw‘obutagumizamu, ekirikubaasa kwongyera aha mubaro gw‘oburemeezi. Kwonka, ebintu ebihweire PP ti bintu ebiine obuhame bw‘ahaiguru ahabw‘okubikozesa, n‘ahabw‘ekyo ebirikurugamu ti bingi.
2. Sikuruu
Ebicweka bingi eby’okukora PP nibivugwa ekikwato ky’okuteeraho kuvuga amaizi, n’ahabw’ekyo oku ekikwato kyakozirwe kiine eki kirikukora kihango. Obuhango bwa diamita nibukwata aha birugiremu, kandi omubaro gw’okunyigirizibwa nigukwata aha muheendo gwa pressure n’ebirikurugamu n’ekirikurugamu ekihweire. Eki nikitwariramu n’ebintu bitari bimwe na bimwe. (Erangi masterbatches, eby’okwongyeramu n’eby’okuhindura) okutabura ebirikurugamu. Okutambura kw’ebintu ebikozirwe okukira munonga nikurugiirira aha kirikureetaho okuhemba, kwonka obutagatsi bw’okuteerana bw’ebintu ebikozirwe nabwo nibwija kureetaho obutagatsi bw’okuteerana kutunguura okusheesheka, n’ahabw’ekyo omubaro gw’okuteerana kw’ekikwato ky’okuteerana (screw compression ratio) ni mukye kandi okutambura ni kukye, kandi omuvuyo gw’okuzihindura guteekwa kwongyerwaho. Okwotsya kw’okuteerana nikwija kuba kwingi kukira okw’ekikwato ky’okuteerana ekiine omubaro muhango gw’okuteerana. Nahabwekyo, nikikira kugambwa ngu tihariho muhangu omukukora obuveera, kandi omuntu orikwetegyereza kurungi oku ekyoma kirikukora niwe muhangu. Okwotsya kw‘ebintu ebitari bimwe na bimwe ti kwotsya kwonka, kureka n‘okwotsya kw‘okuteerana n‘obwire bw‘okufuka. Nahabwekyo eki n‘ekizibu ky‘omugasho, kandi obumanyi nibuhwera omu kumaraho ebizibu by‘okukora n‘okukora gye. Ekikwato kyaba nikyetengyesa kugira okutabura okurungi munonga, obumwe ebikwato by‘okutabura eby‘emitendekyere ebiri nari ebikwato by‘amapapa nibikorwa kandi ebikwato by‘emiringo etari emwe n‘emwe nibibaganisibwamu ebicweka kubaasa kutunga ebikwato by‘okutabura ebitarikushushana.
3. Obubumba nari omutwe gw’okufa
Okugaruzaho obuveera nikurugiirira aha mutwe gw’ekibumbe nari ogw’okufa. Ekintu ekirikubumbwa omu nshaho nikiba kiine emiringo eshatu, kandi ekibumbe eki kigumire munonga. Omubaro gw’okukyendeeza guteekwa kuteekateekwaho. Ebindi nibishushana n’emitwe y’ebintu ebirikuguma nibishusha nk’empeta, erimu ebicweka, kandi nibishushana n’empeta. Ku biraabe biri eby‘omutaano, Nikishoroorwa nk‘ebitarikushushana kandi nibyetenga kuta omutima aha buremeezi bw‘okukyendeeza n‘okubumba ahonaaho. Ebyoma by’obuveera ebingi bikozirwe nk’empiso z’okuteera, kandi amaani g’okushohoza agarikuvugwa ekikwato ky’okushohoza nigaija kureetera okugyemeserezibwa kwingi aha bicweka bikye ebirikurugamu, kiyongyere aha kukora gye. Omutwe gw’okufa gwaba gutebeekanisiibwe nk’enyonyi, oku orikubaasa kugabanisa ebintu ebikuru omu muringo ogurikushushana aha itaka ryona, okutebeekanisa kw’omutwe gw’okufa ogw’okuhanika ni kikuru munonga, kandi omugisha gw’okunyiganyiga ogurikushemeza nigweyongyera aha kuha ebintu ebitari bimwe na bimwe ebigumire eby’omu pampu y’ebihimba by’eby’enyanja.
4. Okukyendeeza
Oyihireho omuryango gwa sprue ogurikushuka ebintu ebitari bimwe na bimwe, ekibumbe ky’okuteeramu enjegyere nakyo kiine omuhanda gw’okukyendeeza amaizi g’okukyendeeza aha nkora y’ebintu ebitari bimwe na bimwe. Okubumba kw’okushohoza (extrusion molding) nikwesiga omuhanda gw’amaizi g’okukyendeeza obutagatsi omu rubaaho kubaasa kutunga ekirikukyendeeza obutagatsi, okwihaho omusyo gw’omuyaga, amaizi g’okukyendeeza obutagatsi nigashukwa butunu aha nsaho y’okufuka, n’omuringo gw’okufuka nk’okufuka omu nshaho.
5. Okwongyezibwaho
Okugaruka kukora n’okwongyera aha kintu ekihweire nikiija kwongyera aha nkora. Nk’eky’okureeberaho, omusipi gw’okusiba niguvugwa ebikwato by’omu maisho n’eby’enyima aha sipiidi zitari zimwe na zimwe kureetera okutunguuka. Amaani g‘okuteerana g‘ekicweka ky‘okutunguura ekirikugyendera aha kintu ekihweire nigahamibwa kandi ti kyorobi kusheenya, kwonka kyorobi munonga kusheenya omu rubaju orurikuraba. Okugabwa kw’oburemeezi bwa molekyu nakwo nikukwata aha nkora y’okutunguuka omu bwire bw’okukora eby’okurya omu sipiidi mpango. Ebintu byona ebishohoziibwe obariiremu n’ebihimba biine ebicweka ebitarikushushana. Okukora omuyaga n’omuyaga nabyo nibibaasa kuteekateekwaho nk’omuringo ogundi gw’okutunguuka.
6. Kukyendeera
Ekintu kyona ekikozirwe kiine oburemeezi bw’okukyendeera. Okukyendeera nikureetwaho okutunguuka kw’okwotsya n’okukyendeera kw’obufuki n’okuteganisibwa kw’omunda okurikubaho omu bwire bw’okukora kw’ekibiriiti. Okutwarira hamwe, okutunguuka kw’okwotsya n’okukyendeera nikwanguha kusingura. Nikibaasa kukorwa orikwongera obwire bw’okukyendeeza omu kukora, n’okugumizamu n’okurinda pressure. Ekintu ekikozirwe nk’ekibiriiti nikikira kuba kiine entaaniso mpango y’okukyendeeza aha kintu ekitaine mubiri, ekirikuhika nk’ekicweka kimwe kya rukumi ahari PP. Ikumi na mukaaga, kwonka ABS eri nk’enkumi ina zonka. Ekicweka eki eky’entaaniso ni kihango munonga. Ekicweka eki kiine kusingurwa aha kicupuri, nari eby‘okwongyeramu ebirikukyendeeza okukyendeera nibikira kwongyerwamu kusingura ekizibu kya LDPE nikikira kwongyerwa aha rupapura orushohoziibwe kutunguura ekizibu ky‘okuteera enshaya.
Ebyoma bya GTMSMART ekyoma ky'okukora eby'okwotsyas:
Obwire bw'okuhandiika: Okwaikumi-18-2020