Asanalankhule zankhunguzipangizo, choyamba tiyenera kumvetsa zinthu zofunika za jakisoninkhungu.Choyamba ndi kagulu kankhungu.Nthawi zambiri, nkhungu zimagawidwa m'magulu asanu malinga ndi kutalika kwa moyo wautumiki.Gawo loyamba ndi nthawi zoposa milioni imodzi, ndipo mlingo wachiwiri ndi 500,000- - 1 miliyoni, mlingo wachitatu uli pakati pa nthawi 300,000 ndi 500,000, mlingo wachinayi uli pakati pa nthawi 100,000 ndi 300,000, ndipo mlingo wachisanu uli pansipa nthawi 100,000. .Onse oyamba ndi achiwirinkhunguakuyenera kugwiritsidwa ntchito Kutentha mankhwala zitsulo ndi kuuma za HRC50, apo ayi n'zosavuta kuvala, ndi jekeseni.kuumbidwamankhwala n'zosavuta kukhala kunja kulolerana.Choncho, chitsulo chosankhidwa chiyenera kukhala ndi ntchito yabwino yochizira kutentha ndi ntchito yabwino yodula pansi pa kuuma kwakukulu.Kumene, alinso Pali maganizo ena.Chifukwa ine kawirikawiri kukumana ndi pulasitiki zowetankhunguchitsulo, nditha kungoyambitsa zida zotumizidwa kunja zomwe zimagwiritsidwa ntchito ku Pearl River Delta.Nthawi zambiri sankhani 8407, S136 ku Sweden, 420, H13 ku United States, 2316, 2344, 083 ku Ulaya, kapena SKD61, DC53 ku Japan (zinthu zakale zachitsulo, zomwe zimagwiritsidwa ntchito panthawi yapadera).Kuphatikiza apo, zida zopangira jekeseni ndi zowonjezera zowonjezera zimakhudza kwambiri kusankha, makamaka ulusi wagalasi umavala kwambirinkhungu.
Zida zina zapulasitiki zimawononga asidi, ndipo zina zimawonjezedwa ndi zolimbitsa thupi kapena zosintha zina.Mwachitsanzo, ulusi wa galasi ukhoza kuwononga kwambiri nkhungu.Choncho, kuganizira mozama kuyenera kuperekedwa pakusankha zipangizo.Kwa mapulasitiki owononga kwambiri, nthawi zambiri sankhani zitsulo zamtundu wa S136, 2316, 420, ndi mapulasitiki ofooka omwe amawononga, kuwonjezera pa S136, 2316, 420, pali SKD61, NAK80, PAK90, 718M.Zida zapulasitiki zokhala ndi acidic kwambiri ndi: PVC, POM, PBT.Zida zamapulasitiki zofooka zikuphatikizapo: PC, PP, PMMA, PA,
Zofunikira za mawonekedwe a mankhwalawa zimakhudzanso kwambiri kusankha zinthu za nkhungu.Pazigawo zowonekera ndi zinthu zokhala ngati galasi, zida zomwe zilipo ndi s136, 2316, 718S, NAK80, PAK90, 420, ndinkhungundi zowonekera kwambiri ziyenera kusankhidwa.S136, kutsatiridwa ndi 420.
Zomwe zili pamwambazi ndizokwaniritsa zofunikira zazinthu, koma monga wopanga, ngati mungoganizira izi, simudzalephera kukhala wopanga bwino, mutha kukhala ndi mavuto ndi ntchito yanu, komanso mtengo wankhungukukhudza ndikofunikira.Chinthu chachikulu ndichoti muyenera kuganizira mtengo.Yerekezerani s136 ndi 2316. Kusiyana kwake ndi 55-60 yuan pa kilogalamu.Mukasankha molakwika, bwana wanu angalephere kulandira kapena kugwa.
Pali zida zambiri zowumitsidwa zisanachitike paziwombolo zamtundu wachitatu, magiredi ndi: S136H, 2316H, 718H, 083H, kuuma kwake ndi HB270—-340, nkhungu zamtundu wachinayi ndi wachisanu zimagwiritsa ntchito P20, 718, 738, 618, 2311, 2711, pazofunikira zochepa kwambiri Kwankhungu,n'zotheka kugwiritsa ntchito S50C, 45 # zitsulo, ndiko kuti, kuti patsekeke mwachindunji pankhungumaziko.guluu wagalasi lopanda chipolopolo)