Yambirani pa PC / PMMA PANGANO NDI NTCHITO jason@mclsheet.com +86-187 0196 0126
Anzanu ambiri atha kukumana ndi zomwe ma sheet a PC akuphulika kapena kusweka atayiyika kwa nthawi yayitali atagula? Adzakayikira kuti mtundu wa mankhwalawo si wabwino, motero ayamba kupempha wopanga kuti abweze, ndipo adzakwiya kwambiri. Koma sizongokhudza khalidwe lazogulitsa, pakhoza kukhala zifukwa zina zowonongeka.
Kodi chinayambitsa nchiyani kwenikweni?
1 、 Kulephera kugwiritsa ntchito mphamvu panthawi yoika chifukwa cha kuphulika.
Musanakonze mbale ndi zomangira, dzenje loyendetsa liyenera kubowoledwa ndi mainchesi 6-9mm kukula kuposa m'mimba mwake wa wononga zomangira kuti mupewe kufutukuka ndi kutsika kwa matenthedwe ndikuletsa mbaleyo kuphulika chifukwa cha kupanikizika kwambiri. Tsamba la PC lili ndi nkhawa zamkati, zomwe zimapangidwira panthawi ya kuumba kwa extrusion ndi kuzizira, pomwe mawonekedwe awo amakhala osasinthika. Pakuyika kapena kugwiritsidwa ntchito, zidzadutsa
Kuchepetsa kupsinjika kunathetsa pang'ono zovuta zina zamkati. Komabe, mapepala a PC omwe amangopumula pang'ono ndi ovuta kuthetsa kupsinjika kumeneku, chifukwa amasungabe zovuta zamkati ndikuwonjezera kupsinjika kwakunja komwe kumachitika mukamagwiritsa ntchito.
Ngati kupsinjika kuli kokulirapo, malo osinthika am'deralo adzachitika pamtunda ndikuyandikira pamwamba, zomwe zimapangitsa kuti pakhale malo osatetezeka. Choncho pa unsembe ndondomeko, zingachititsenso akulimbana.
2 、 Kunyalanyaza mayendedwe ndi njira zosungiramo madzi kumakhalanso chifukwa chosweka.
Kuyika bwino, kuyika, ndi kuyika kwapansi ndikofunikira panthawi yoyendetsa ndi kusungirako, chifukwa kuwonongeka pang'ono pamwamba pa mapepala a PC kudzakhala ming'alu. Ndipo mapepala a PC sayenera kusungidwa pamalo omwewo monga mankhwala ena, monga zinthu zosasunthika zingayambitse kupsinjika kwa mankhwala pamwamba pa mapepala a PC. Mapepala a PC oti ayikidwe pamalo omanga ayeneranso kuchitidwa motere. Khalani kutali ndi zinthu za acidic monga simenti, ndipo musagwiritse ntchito zomatira za acidic pakuyika.
3 、 Kusankhidwa kolakwika kwa zida zopangira kungayambitsenso kusweka.
Mosasamala mtundu wa kukonza, zida zodulira kapena zida zomwe zimagwiritsidwa ntchito siziyenera kuwononga mbali zomwe sizinapangidwe za pepala la PC, ndipo kudula kuyenera kukhala kosalala. Chifukwa ngakhale kuwonongeka kochepa kungayambitse kusweka kwakukulu. Chifukwa chake pama shedi akunja opangidwa ndi makampani amapepala a PC, ngati kudula m'mphepete ndikofunikira, makina odulira mwala wa nsangalabwi ayenera kugwiritsidwa ntchito kapena chopukusira chamanja, ndipo kudula kuyenera kukhala kosalala.
4 、 Pa nthawi yoyika, chidwi chiyenera kuperekedwanso pazinthu zina.
1. Osawononga kapena kuchotsa filimu yoteteza musanayike kuti mupewe kukanda pamwamba.
2. Sichiloledwa mwamtheradi kukhomerera mwachindunji pepala la PC pa chigoba, apo ayi zipangitsa kupsinjika kwakukulu chifukwa chakukula kwa pepala la PC ndikuwononga m'mphepete mwake.
3. Ndikofunikira kugwiritsa ntchito sealant ndi gasket yoyenera pulasitiki ya polycarbonate. Chosindikizira chonyowa chiyenera kugwiritsidwa ntchito pamisonkhano yonyowa. Nthawi zambiri tikulimbikitsidwa kugwiritsa ntchito zomatira za polysiloxane pamisonkhano yonyowa yama PC, koma chidwi chapadera chiyenera kulipidwa pakuwunika kusinthika kwa zomatira musanagwiritse ntchito. Amino, phenylamino, kapena mankhwala ochiritsa a methoxy sayenera kugwiritsidwa ntchito pochiza zomatira za polysiloxane, chifukwa mankhwalawa amatha kuyambitsa kusweka kwa pepala, makamaka ngati pali kupsinjika kwamkati. Osagwiritsa ntchito PVC ngati chosindikizira chosindikizira, popeza mapulasitiki mu PVC amatha kutsitsa ndikuwononga bolodi, zomwe zimapangitsa kuti pakhale kusweka komanso kuwononga pepala lonse.
5 、 Mapepala a PC amatha kusweka akakumana ndi ma acid ndi alkalis.
PC dzenje mapepala sayenera kukhudzana ndi zinthu zamchere ndi zikuwononga organic zinthu monga alkali, mchere zofunika, amines, ketoni, aldehydes, esters, methanol, isopropanol, phula, etc. Zinthu izi zingayambitse kupsinjika kwakukulu kwa mankhwala.
6 、 Digiri yopindika yoyika isakhale yocheperako kuposa radius yotchulidwa.
Ngati kupindika kozungulira kwa pepala lopindika la PC kuli kochepa kwambiri, mphamvu yamakina ndi kukana mankhwala a pepala la PC kudzachepa kwambiri. Kuti mupewe kupsinjika kowopsa kumbali yowonekera, utali wopindika wa pepala la PC suyenera kukhala wocheperako zomwe zatchulidwa. Mapepala angapo a PC osanjikiza sayenera kupindika molunjika kwa nthiti, chifukwa amatha kuphwanyidwa kapena kuswa pepalalo. Pepalalo liyenera kupindika molunjika ku nthiti.
Malingana ngati tikudziwa chomwe chimayambitsa ming'alu, tikhoza kuchipewa panthawi yake ndikuchitapo kanthu pa nthawi yake.