Jekeseni akamaumba

Pulasitiki jekeseni akamaumba ndiye ambiri ankagwiritsa ntchito imodzi mwa akamaumba pulasitiki. Zipangizo za pulasitiki zopangidwa ndi pulasitiki zimagwiritsidwa ntchito pamagetsi, zamagetsi, zamagetsi, zamankhwala, zoyendera, magalimoto, kuyatsa, kuteteza zachilengedwe, chitetezo, zida zapanyumba, zida zamasewera ndi mafakitale ena ndi zinthu zina.

Kodi akamaumba jekeseni ndi chiyani? Pulasitiki jekeseni akamaumba ndi kupanga njira yopangira magawo mumtundu wina wa kutentha, kudzera pachikuto choyambitsa zinthu zonse zosungunuka za pulasitiki, jekeseni wothamanga kwambiri mu nkhungu, mutatha kuzirala ndikuchiritsa, kuti mupeze njira youmba. Njirayi ndioyenera kupanga mtanda wa magawo ovuta ndipo ndi imodzi mwanjira zofunika kukonza. Pali magawo asanu ndi limodzi: kutsekedwa kwa nkhungu, jekeseni wosungunuka wa pulasitiki, kusamalira kuthamanga, kuzirala, kutsegula kwa nkhungu ndi kutulutsa. Kuthamanga, kupanikizika, malo (sitiroko), nthawi ndi kutentha ndizofunikira 5 pakupanga jekeseni.

Zinthu zitatu za chipinda chopangira jekeseni

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Ntchito mankhwala jekeseni akamaumba

(1) m'zinthu zamagetsi: .Zogulitsa zamagetsi zamagetsi ndi zamagetsi zamagetsi (nyumba zamapulasitiki, zotsekera, bokosi, chivundikiro) Mafoni am'manja, mahedifoni, ma televizioni, mafoni amakanema, makina a POS, belu lapakhomo.

(2) mu zida Zanyumba: Wopanga khofi, juicer, furiji, chowongolera mpweya, makina ochapira zimakupiza ndi uvuni wa mayikirowevu

(3) mu zida zamagetsi: Magetsi amagetsi, bokosi lamagetsi, kabati yamagetsi, chosinthira pafupipafupi, chivundikiro cha kutchinjiriza ndikusintha

(4) mu zida zamankhwala ndi zamankhwala: Magetsi opangira, sphygmomanometer, jakisoni, choyeretsera, botolo la mankhwala, kutikita minofu, chida chochotsera tsitsi, zida zolimbitsa thupi

(5) pamagalimoto: Thupi lakutsogolo, bulaketi ya batri, gawo loyang'ana kutsogolo, bokosi lowongolera, chimango chothandizira mipando, malo osungira, chotetezera, bampala, chivundikiro cha chassis, chotchinga phokoso, chimango chakumbuyo.

(6) Mu zida zamagetsi: Makina azida zamakina, zida, lophimba, kuyatsa.

(7) Chipangizo chamagalimoto ndi zida zamagalimoto (chivundikiro cha nyali, mpanda) Nyali yama siginecha, chikwangwani, choyesa mowa.

Zinthu zitatu za chipinda chopangira jekeseni

Nkhungu, makina opangira jekeseni ndi zinthu zopangira pulasitiki zimapanga gawo loyambira la jekeseni. Nkhungu ndi makina opangira jekeseni ndizida zopangira, ndipo zinthu zopangira pulasitiki zimagwiritsidwa ntchito kupanga zinthuzo.

1. amatha kuumba jekeseni

Jekeseni nkhungu ndi mtundu wa chida kupanga zinthu pulasitiki; ndi chida chothandizira kupangira zinthu za pulasitiki kapangidwe kake ndi kukula kwake. Jekeseni akamaumba ndi mtundu wa njira processing ntchito mtanda kupanga mbali zina zovuta. Makamaka, pulasitiki wosungunulidwayo amalowetsedwa mu nkhungu ndimakina opangira jekeseni atapanikizika kwambiri, ndipo zomwe amapangazi zimapezeka pambuyo pozizira ndikuchiritsa. Jekeseni nkhungu akhoza kugawidwa mu mitundu yosiyanasiyana malinga ndi mamangidwe osiyana nkhungu, zofunika kapangidwe mankhwala, mode kupanga ndi unsembe ndi ntchito akafuna.

Chifukwa cha kupanga kwakukulu kwa nkhungu, koma moyo wawo wautali komanso magwiridwe antchito apamwamba, amagwiritsidwa ntchito popanga zinthu zambiri. Jekeseni wa jekeseni amagwiritsidwa ntchito popanga zinthu za pulasitiki. Chiwerengero chachikulu cha zinthu zopangira pulasitiki, zomwe zimagawana kwambiri mtengo wopangira nkhungu, chifukwa chake mtengo wopanga wa mankhwala osakaniza amodzi ndiwotsikirapo kuposa njira zina. Pali magawo atatu a nkhungu kapangidwe ndi nkhungu kutsimikizika.

(1) Nkhungu kapangidwe:

Kapangidwe Nkhungu zachokera kapangidwe mankhwala, ntchito kapangidwe mapulogalamu, malinga ndi msinkhu nkhungu kupanga makina processing ndi jekeseni akamaumba ndondomeko ndondomeko, kamangidwe ka lonse limagwirira nkhungu, mbali.

(a) Gawo loyamba ndikuwunika kapangidwe kazinthu zapulasitiki

(b) Gawo lachiwiri ndikusankha zakufa

(c) Gawo lachitatu ndikupanga makina

(d) Gawo lachinayi ndikapangidwe kazinthu za nkhungu

(2) Kukonza nkhungu

Nkhungu processing makamaka kudzera processing makina kumaliza Chojambula review → zakuthupi kukonzekera → processing → nkhungu m'munsi processing → nkhungu pakati processing → elekitirodi processing → nkhungu mbali processing → anayendera → msonkhano → zouluka nkhungu → mayesero nkhungu → kupanga

Kutembenuka kozungulira kwa jekeseni wa jekeseni kumadalira pamavuto ndi gawo lakapangidwe ka nkhungu. Makina ozungulira kupanga ndi masiku 20-60 ogwira ntchito. Makina omwe amagwiritsidwa ntchito pokonza nkhungu: CNC, lathe, makina amphero, chopukusira pamwamba, EDM, WEDM, komanso msonkhano wazida zamanja, zida zoyezera, ndi zina zambiri

(3) Mitundu ya amatha kuumba jekeseni:

Jekeseni wa nkhungu amatha kugawidwa m'mitundu yosiyanasiyana kutengera mawonekedwe a nkhungu, kapangidwe kazogulitsa, kapangidwe kake ndi kukhazikitsa ndi magwiritsidwe ntchito.

(a) Nkhungu ziwiri za mbale: mu jekeseni wopangira jekeseni, nkhungu yosunthira ndi nkhungu zokhazikikazo zimasiyanitsidwa, kenako magawo apulasitiki amatulutsidwa, omwe amadziwika kuti nkhungu ziwiri. Ndi lophweka kwambiri maziko pulasitiki jekeseni nkhungu. Zitha kupangidwa ngati nkhungu imodzi yopangira jekeseni kapena nkhungu zingapo zamkati mwa jekeseni malinga ndi kufunikira. Ndi chimagwiritsidwa ntchito jekeseni nkhungu. Nkhungu zaumba kamodzi kapena kangapo ka jekeseni,

(b) Nkhungu zitatu za mbale: yomwe imadziwikanso kuti nkhungu yopatukana. Poyerekeza ndi chidutswa chimodzi chakunja cha jekeseni, jekeseni wa jekeseni wophatikizika umawonjezera chopukutira pang'ono muntimizere tating'onoting'ono tomwe timapanga pachipata. Chifukwa cha kapangidwe kake kovuta komanso mtengo wokwera kwambiri wopangira, nthawi zambiri sagwiritsidwa ntchito pachikombole chachikulu.

(c) Nkhungu yothamanga yotentha: nkhungu yothamanga yotentha imanena za nkhungu yomwe imagwiritsa ntchito chida chotenthetsera kusungunuka mumsewu osakhazikika nthawi zonse. Chifukwa ndi zosavuta kuposa kupanga nkhungu zachikhalidwe, komanso kupulumutsa zinthu zambiri, nkhungu zothamanga kwambiri m'maiko otukuka amakono ndi zigawo zimagwiritsidwa ntchito kwambiri. Makina othamanga ali ndi njira imodzi yothamanga kwambiri kuposa nkhungu wamba, motero mtengo wake ndi wokwera.

(d) Mitundu iwiri ya nkhungu: amatchedwa mitundu iwiri ya zida zapulasitiki mu makina omwewo opangira makina opangira jekeseni, awiri kuwumba, koma nkhunguyo kamodzi kokha. Nthawi zambiri, izi ntchito akamaumba amatchedwanso wachiphamaso jekeseni akamaumba, amene nthawi zambiri anamaliza ndi ya nkhungu, ndipo amafuna wapadera awiri mitundu makina jekeseni akamaumba.

(4) Kapangidwe kazomangamanga ka jekeseni ndi motere

Nkhungu ya jekeseni nthawi zambiri imakhala ndi makinawa:

(a) Makina otsegulira. Limatanthawuza njira yoyendera pulasitiki mu nkhungu kuchokera ku nozzle ya jekeseni kupita pamimbamo. Dongosolo lodziwika bwino la gating limapangidwa ndi sprue, wogulitsa, chipata ndi dzenje lozizira.

(b) Kutsekemera pambali ndi makina okoka pakati.

(c) Njira zowongolera. Mu nkhungu ya pulasitiki, imakhala ndi ntchito yokhazikitsa, kuwongolera ndikunyamula mbali zina kuti zitsimikizire kulondola kwa kusunthika ndi kutsekedwa kwa nkhungu. Makina otsogolera otsekedwa amapangidwa ndi mzati wowongolera, malaya owongolera kapena dzenje lotsogolera (lotsegulidwa mwachindunji pa template) ndikuyika kondomu pamwamba.

(d) Kutulutsa / kuwononga makina. Kuphatikiza kukankhira kunja ndi makina oyambira kukoka. Amagwiritsidwa ntchito kutulutsa ziwalozo kuchokera ku nkhungu. Amakhala ndi ejector ndodo kapena chitoliro jacking kapena kukankhira mbale, ejector mbale, ejector ndodo atathana mbale, bwererani ndodo ndi kukoka ndodo.

(e) Njira zowongolera kutentha. Zozizira ndi zotenthetsera.

(f) Njira yotulutsa utsi.

(g) mbali akamaumba amatanthauza mbali zimene zimapanga nkhungu patsekeke. Zimaphatikizira kwambiri: nkhonya, kufa kwa akazi, pachimake, kupanga ndodo, kupanga mphete ndikuyika.

(h) Zida zokhazikika ndi zoyikika. .

(5) Zofunika amatha kuumba

Nkhungu zamapulasitiki zimaphatikizapo nkhungu zotentha komanso zotentha za pulasitiki. Chitsulo cha nkhungu ya pulasitiki chimafunika kukhala ndi zinthu zina monga mphamvu, kuuma, kuvala kukana, kukhazikika kwa matenthedwe ndi kukana kwazitsulo. Kuphatikiza apo, imafunikanso kukhala ndi magwiridwe antchito abwino, monga chithandizo chazing'ono chazakudya, magwiridwe antchito abwino, kukana kutu bwino, kugaya bwino ndikupukuta, kukonza bwino kuwotcherera, kukhathamira kwakukulu, kutentha kwabwino matenthedwe komanso kukula kolimba ndi mawonekedwe akugwira ntchito mikhalidwe.

Kodi mtundu wa zinthu jekeseni ntchito nkhungu jekeseni kumakhudza kwambiri pa kusankha nkhungu zitsulo. Ngati othandizira kapena othandizira ena awonjezeredwa, monga galasi CHIKWANGWANI, kuwonongeka kwa nkhungu ndikwabwino, kotero kusankha kwa zinthu kuyenera kuganiziridwa mozama. Zipangizo zamapulasitiki zamphamvu ndi PVC, POM, PBT; ofooka acid zipangizo zamapulasitiki ndi PC, PP, PMMA, PA. Nthawi zambiri, S136, 1.231, 6420 ndi zida zina za nkhungu zimasankhidwa kuti zikhale ndi mapulasitiki olimba, pomwe S136, 1.2316420, SKD61, NAK80, pak90718, ndi zina zambiri zimatha kusankhidwa kukhala mapulasitiki owola. Zofunikira pakuwonekera kwa zinthu zimathandizanso pakusankhidwa kwa zida za nkhungu. Kwa zinthu zowonekera komanso zopaka magalasi oyipitsa, zinthu zomwe zilipo ndi S136, 1.2316718, NAK80 ndi pak90420. Nkhungu yokhala ndi zowonekera bwino iyenera kusankha S136, kenako 420. Ngati zingakwaniritse zofunikira za mankhwala osaganizira za mtengo ndi mtengo wake, sangakhale wopanga wabwino, mtengo wopanga nkhungu ndichinthu chofunikira kwambiri

2.1njection akamaumba equipments

(1). Jekeseni akamaumba makina:

Ndi zida zazikulu zopangira kupanga ma thermoplastic kapena ma thermosetting plastiki m'mitundu yosiyanasiyana yazinthu zapulasitiki ndi pulasitiki akamaumba nkhungu Makina opanga jekeseni, makina opangira jekeseni, makina awiri owumba jekeseni, makina amagetsi amagetsi amtundu uliwonse Komabe, ziribe kanthu kuti ndi zotani makina opangira jekeseni, ntchito zake zoyambirira ndi ziwiri:

(a) Thirani pulasitiki kuti isungunuke.

(b) Kuthamanga kumayikidwa kupulasitiki wosungunuka kuti atulutse ndi kudzaza patsekopo. Magawo akuluakulu amakina opangira jekeseni ndi awa: kukakamiza mphamvu, kuchuluka kwa jekeseni wambiri, kuchuluka kwakapangidwe kocheperako, kusuntha kwa stroko, kukoka ndodo, kukwapula kwa ejection ndi kuthamanga kwa ejection. Kwa magawo okhala ndi mitundu yosiyanasiyana, zomangamanga ndi zida, komanso amatha kuumba mosiyanasiyana ndi mitundu, mitundu yosiyanasiyana ndi magawo amakina opangira jekeseni ayenera kusankhidwa. Full makina magetsi jekeseni akamaumba ubwino wa liwiro jekeseni mkulu, ulamuliro yeniyeni ndi dzuwa mkulu kupanga. Izo ntchito akamaumba jekeseni mbali zina mwatsatanetsatane.

(2) Zida Zothandizira:

(a) Makina opangira makina opangira jekeseni ndi zida zokhazokha zopangira zomwe zitha kutsanzira ntchito zina za miyendo yakumtunda ya munthu, ndipo zimatha kuzilamulira kuti zizinyamula zinthu kapena kugwiritsa ntchito zida malinga ndi zomwe zidakonzedweratu. Wogwiritsira ntchito angathe kuonetsetsa kuti kayendetsedwe kake kasasinthasintha, kusintha khalidwe ndikupanga chitetezo. Ndi chitukuko mofulumira makampani pulasitiki processing ku China, mlingo wa zokha ya zida jekeseni akamaumba ndi kukhala apamwamba ndi apamwamba. Makina amakono opangira jekeseni nthawi zambiri amakhala ndi zida zopangira makina kuti apange bwino pakupanga.

(b) chotenthetsera mafuta / madzi otentha: Kutenthetsa kapena kuziziritsa ndimadzi oyenda kudzera mu nkhungu, kutentha kutentha kwa nkhungu, kuwongolera mawonekedwe apamwamba, kapena kuchepetsa kutentha kwa nkhungu kukonza zokolola.

(c) Choumitsira chopumulira: chotsani chinyezi kuchokera kuzinthu zapulasitiki potentha ndi kuwomba.

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Jekeseni nkhungu msonkhano

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Jekeseni akamaumba kupanga mzere

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Mbali za pulasitiki zojambula

Zipangizo 3.Plastic

Ma resin apulasitiki omwe amagwiritsidwa ntchito popanga jekeseni: M'munsimu muli ma thermoplastics omwe amagwiritsidwa ntchito popanga jekeseni: Acrylonitrile Butadiene Styrene, Acrylonitrile Butadiene Styrene (ABS), ndi opera ma thermoplastic komanso amorphous polima. ... Polyethylene. ... Polycarbonate. ... Polyamide (nayiloni) ... High Impact Polystyrene. ... Polypropylene

Zakuthupi Kuchulukitsitsa Nkhungu
Kupindika
Mbali Ntchito
Galamu / cm3 %
ABS(Acrylonitrite Butadiene Masitayelo) 1.04, 1.08 0.60 Khola kukula, wabwino mabuku makina,zosavuta electroplating, zosavuta jekeseni akamaumba nyumba pulasitiki zopangira zamagetsi
PC (Zamgululi 1.18 ~ 1.20 0.50 Mphamvu zabwino, kukula kolimba komanso kutchinjiriza kwabwino.Kukanika kwakanthawi kwa dzimbiri komanso kuvala kukana nyumba pulasitiki, chivundikiro zoteteza, magawo ang'ono opatsirana opangira zamagetsi, zamagetsi
PMMA(Polymethyl methacrylate) 1.17 mpaka 1.20 0.60 Ili ndi transmittance yabwino ya 92% komanso yabwino yamakina mphamvu.Notch mphamvu yamphamvu ndi yotsika, yosavuta kupanikizika Mandala Transparent ndi anasonyeza oyimba mafano zida za chida
PP(Polypropylene) 0.89 ~ 0.93 2.00 Ili ndi kuchepa kwakukulu, kukana chinyezi,kutentha kwambiri ndipo sikovuta kung'amba.Low mubvale kukana, zosavuta ukalamba, osauka otsika ntchito kutentha Makontena azakudya, tableware, mayikirowevu uvuni mabokosi, muli mankhwala
(mankhwala enaake) 1.38-1.41 1.50 Zolimba, zosagwira, zotchinjiriza bwino, Kupanga magwiridwe antchito ovuta kwambiri, otentha kwambiri Kupanga mapaipi ndi mbiri
Nayiloni 1.12 ~ 1.15 0.7-1.0 Zolimba, zosagwira, zosagwira madzi, kutopa kugonjetsedwa, kutchinjiriza bwino. Kuterera kwakukulu, kolozera Mbali Machine, mbali mankhwala, zida zotumizira
POM (Polyacetel) 1.42 2.10 Katundu wabwino kwambiri, mphamvu yayikulu komanso kuuma, kuvala kukana komanso kukana kwamphamvu. Kukhazikika kwamafuta Mbali Machine, mbali mankhwala, magawo opatsirana, magawo amikangano ndi magawo opatsirana omwe amagwira ntchito kutentha
TPU(Thermoplastic Polyurethane) 1.05 ~ 1.25 1.20 Elastomer, kuvala zosagwira, mafuta kugonjetsedwa, Kutentha kwakukulu komanso kutsika, kosakhala poizoni Amagwiritsidwa ntchito kwambiri kuchipatala, chakudya, zamagetsi ndi malo otsika kutentha

Njira yopangira jekeseni ndi njira yomwe zinthu zosungunuka zimapanikizika, jekeseni, kuzirala ndikulekanitsidwa kuti apange mawonekedwe ena azigawo zomaliza. The ndondomeko jekeseni akamaumba mbali pulasitiki makamaka zikuphatikizapo magawo 7. : Kukhazikitsa kwa parameter -> kutseka kwa nkhungu- kudzaza -> (kuthandizidwa ndi gasi, kuthandizidwa ndi madzi) kuthamanga -> kuzirala -> kutsegula nkhungu -> kuwononga.

Kuthamanga, kupanikizika, malo (sitiroko), nthawi ndi kutentha ndizofunikira zisanu pazinthu zopangira jekeseni. Popanga jekeseni akamaumba, ndikofunikira kukonza izi kuti zikwaniritse ndikupeza kukula ndi mawonekedwe oyenerera.

Zisanu ndi ziwiri lililonse luso jekeseni akamaumba

1. Kawiri jekeseni akamaumba

2. jekeseni Wowumba kwambiri

3. Hot wothamanga jekeseni akamaumba

3. IMD: mu-nkhungu jekeseni yokongoletsera

4. Jekeseni wa magawo akulu

5. Jekeseni akamaumba mbali yosangalatsa

6. Jekeseni akamaumba mbali galimoto

7. Mbali zopindika zamakoma jekeseni

Kukonzekera positi

Titha kukupatsirani magawo anu apulasitiki opangidwa ndi ma jekeseni angapo opangira ma jekeseni komanso mulingo wa 0.1gram-10kgs omwe mukufuna. Kuphatikiza apo, titha kuwerengera zolumikizira zomangirizidwa, zolumikizira zachitsulo kapena zina zopangira jekeseni wa pulasitiki kuti mupatse mankhwala anu kumaliza. Sub-misonkhano akhoza analengedwa monga gawo la misonkhano yathu pulasitiki jekeseni akamaumba ndi mmatumba anu amafuna. Zomwezo zimagwiranso ntchito pomaliza, kuphatikizapo:

* Kupaka pulasitiki ya Chrome

* Kujambula

* Zithunzi zadijito

* Pad yosindikiza

* Kuteteza kwa RF

* Kukhazikitsa ndi stillage's

* Kuwongolera jekeseni wa jekeseni Timaperekanso zida zothamangitsa mwachangu, zotchingira ndi kutumizira positi.

Kuumba zopindika ndi kusaka zovuta

Pambuyo kuumba, pali kusiyana pakati pa magawo apulasitiki ndi miyezo yakukonzekereratu (miyezo yoyendera), yomwe singakwaniritse zofunikira munjira yotsatira. Ichi ndi chilema cha ziwalo za pulasitiki, zomwe nthawi zambiri zimatchedwa mavuto amtundu wabwino. Tiyenera kuphunzira zomwe zimayambitsa zolakwika izi ndikuzichepetsa. Nthawi zambiri, zovuta izi zimayambitsidwa ndi izi: nkhungu, zopangira, magawo amachitidwe, zida zachilengedwe ndi antchito.

1. Zofooka wamba:

(1). Mtundu kusiyana: ngati mtundu wa mbali jekeseni akamaumba ndi wosiyana ndi chitsanzo muyezo umodzi mtundu ndi maso maliseche, adzaweruzidwa ngati kusiyana mtundu pansi pa gwero muyezo kuwala.

(2). Kukwanira kosakwanira (kusowa kwa guluu): ziwalo zopangira jekeseni sizodzaza, ndipo pali thovu, ma voids, mabowo ochepera, ndi zina zambiri, zomwe sizikugwirizana ndi template yokhazikika, yotchedwa kusowa kwa guluu.

(3). Kupindika kolowera: mawonekedwe am'mapulasitiki adzazungulira ndikupindika atawonongeka kapena munthawi ina. Ngati mbali yowongoka ikuyang'ana mkati kapena kunja, kapena gawo lathyathyathya lili ndi zokwera ndi zotsika, ngati phazi lazogulitsalo silofanana, limatchedwa kupindika, komwe kumatha kugawidwa kukhala kosintha kwakomweko.

(4). Zingwe za Weld (mizere): zotsalira pamtunda wa magawo apulasitiki, opangidwa ndi kusakanikirana kwa mapulasitiki mu nkhungu, koma kusungunuka sikumaphatikizana kwathunthu pamphambano yawo, kotero kuti sangaphatikizidwe chimodzi. Amakhala mzere wowongoka, wopangidwa kuchokera kuzama mpaka kuzama. Zodabwitsazi zimakhudza mawonekedwe ndi mawonekedwe amakina.

(5). Ripple: pamwamba pa jekeseni mbali zopangidwa kumakhala kozungulira kapena mtambo ngati kukwiya, kapena mkati mwazinthu zowonekera zili ndi mtundu wavy, wotchedwa ripple.

(6). Kudutsa (kung'anima, Cape).

(7). Kusiyana kwa gawo: kuchepa ndi kugwedezeka kwa magawo opangira jekeseni pakuumba

2. Kuwongolera bwino ndikusintha: Zimaphatikizapo ukadaulo ndi kasamalidwe

(1). Mulingo waluso: kusankha koyenera kwa zinthu, kapangidwe kazinthu zopangidwa ndi kapangidwe kake, kusankha kwa zida zoyenera nkhungu, kukhathamiritsa kwa kapangidwe ka nkhungu kuti athandize kudzaza, kutulutsa ndi kuchotsa magawo, malo oyenera otsegulira, njira yolowera ndi polowera mphira; ntchito zida zapamwamba jekeseni akamaumba kapena ndondomeko.

(2). Mulingo woyang'anira: kuwongolera kwabwino kwa zinthu zomwe zikubwera, kukhazikitsidwa kwa mfundo ndi miyezo yabwino, maphunziro aukadaulo, kupanga njira zoyeserera, kujambula ndikuwunika, ndikupanga dongosolo labwino.

Kampani ya Mestech imapanga nkhungu mazana ndi mamiliyoni azinthu zapulasitiki kwa makasitomala am'deralo komanso padziko lonse lapansi pachaka. Ngati mukufuna kudziwa zambiri kapena kufunsa za ogwidwawo za akamaumba pulasitiki jekeseni, lemberani lero.