Kuti mankhwalawa akhale okonda makonda, zinthu zambiri zomwe zimapangidwira ziyenera kupakidwa utoto pamwamba. Pali njira zosiyanasiyana zochizira pamwamba pakuyika mankhwala tsiku lililonse. Apa timayambitsa njira zingapo zomwe zimagwiritsidwa ntchito popanga zodzikongoletsera, monga zokutira vacuum, kupopera mbewu mankhwalawa, electroplating, anodizing, etc.
一、Za kupopera mbewu mankhwalawa
Kupopera mbewu mankhwalawa kumatanthawuza njira yokutira yomwe imagwiritsa ntchito mfuti yopopera kapena atomizer ya disc kuti imwazike mu yunifolomu ndi madontho abwino mothandizidwa ndi kukakamiza kapena mphamvu ya centrifugal ndikuyika pamwamba pa chinthu chomwe chiyenera kuphimbidwa. Iwo akhoza kugawidwa mu kupopera mpweya mpweya, kupopera mpweya airless, kupopera mbewu mankhwalawa electrostatic ndi njira zosiyanasiyana lochokera pamwamba pa mitundu kupopera mbewu mankhwalawa, monga mkulu-otaya otsika-anzanu kupopera atomization, kupopera mbewu mankhwalawa matenthedwe, kupopera mbewu mankhwalawa basi, Mipikisano gulu kupopera mbewu mankhwalawa, etc.
二、Ndemanga za kupopera mbewu mankhwalawa
● Chitetezo:
Tetezani zitsulo, matabwa, miyala ndi zinthu zapulasitiki kuti zisawonongeke ndi kuwala, mvula, mame, hydration ndi zina. Kuphimba zinthu ndi utoto ndi imodzi mwa njira zosavuta komanso zodalirika zotetezera, zomwe zingathe kuteteza zinthu ndikuwonjezera moyo wawo wautumiki.
●Zokongoletsa:
Kujambula kungapangitse zinthu "zophimba" ndi malaya okongola, ndi kuwala, gloss ndi zosalala. Malo okongoletsedwa ndi zinthu zimapangitsa anthu kukhala okongola komanso omasuka.
●Ntchito yapadera:
Pambuyo popaka utoto wapadera pa chinthucho, pamwamba pa chinthucho chikhoza kukhala ndi ntchito monga moto, madzi, anti-fouling, chizindikiro cha kutentha, kuteteza kutentha, stealth, conductivity, insecticide, sterilization, luminescence ndi kulingalira.
三、 Mapangidwe a kupopera mbewu mankhwalawa dongosolo
1. Chipinda chopotera
1) Makina owongolera mpweya: zida zomwe zimapereka mpweya wabwino wabwino wokhala ndi kutentha, chinyezi komanso kuwongolera fumbi kumalo opopera.
2) Thupi lopopera mankhwala: lili ndi chipinda choponderezedwa, chipinda choponderezedwa chokhazikika, chipinda chopangira utsi ndi mbale yapansi ya grille.
3) Dongosolo lotolera nkhungu ndi utoto: lili ndi chipangizo chotolera nkhungu, chotengera mpweya komanso njira ya mpweya.
4) Chida chochotsera utoto wotayirira: chotsani nthawi yake zotsalira za utoto wa zinyalala zotayidwa kuchokera pa chipangizo chochapira chopopera, ndikubwezera madzi osefedwa mu dzenje pansi pa malo opopera kuti abwezeretsenso.
2. Mzere wopopera
Zigawo zisanu ndi ziwiri zazikulu za mzere wokutira makamaka zikuphatikizapo: zida chisanadze mankhwala, ufa kupopera mbewu mankhwalawa zipangizo utoto, uvuni, kutentha gwero dongosolo, pakompyuta ulamuliro dongosolo, chopachika conveyor unyolo, etc.
1) Zida zopangira mankhwala
Mtundu wa spray-station multi-station pre-treatment unit ndi zida zomwe zimagwiritsidwa ntchito pochiza pamwamba. Mfundo yake ndikugwiritsa ntchito makina osokera kuti apititse patsogolo kusintha kwamankhwala kuti amalize degreasing, phosphating, kutsuka madzi ndi njira zina. Njira yanthawi zonse yazitsulo zopopera mankhwala ndi: pre-degreasing, degreasing, kutsuka madzi, kutsuka madzi, kusintha pamwamba, phosphating, kutsuka madzi, kutsuka madzi, kutsuka madzi oyera. Kuwombera kuphulika makina oyeretsera angagwiritsidwenso ntchito pochiza chisanadze, chomwe chiri choyenera pazitsulo zachitsulo ndi dongosolo losavuta, dzimbiri lamphamvu, palibe mafuta kapena mafuta ochepa. Ndipo kulibe kuipitsa madzi.
2) Dongosolo la kupopera ufa
Kachipangizo kakang'ono ka cyclone + fyuluta mu kupopera mbewu mankhwalawa ufa ndi chipangizo chotsogola kwambiri chochira chomwe chimasintha mwachangu mtundu. Ndibwino kugwiritsa ntchito zinthu zochokera kunja kwa zigawo zikuluzikulu za dongosolo kupopera ufa, ndi mbali zonse monga ufa kupopera mbewu mankhwalawa ndi magetsi makina kukweza amapangidwa m'nyumba.
3) Zida zopopera mankhwala
Monga chipinda chopopera mafuta ndi chipinda chopopera mbewu mankhwalawa ndi madzi, chomwe chimagwiritsidwa ntchito kwambiri pakuphimba pamwamba pa njinga, akasupe amasamba agalimoto ndi zonyamula katundu zazikulu.
4) uvuni
Uvuni ndi chimodzi mwa zida zofunika kwambiri pakupangira zokutira. Kufanana kwake kwa kutentha ndi chizindikiro chofunikira choonetsetsa kuti zokutira zili bwino. Njira zotenthetsera ng'anjo zimaphatikizapo ma radiation, kutentha kwa mpweya ndi ma radiation + kutentha kwa mpweya, ndi zina zotero. Malingana ndi pulogalamu yopangira, ikhoza kugawidwa m'chipinda chimodzi ndi mtundu, ndi zina zotero, ndipo mawonekedwe a zipangizo amaphatikizapo mtundu wowongoka. ndi mtundu wa mlatho. Ovuni yozungulira mpweya wotentha imakhala ndi zotsekera bwino, kutentha kofanana mu uvuni, komanso kutentha pang'ono. Pambuyo poyesa, kusiyana kwa kutentha mu uvuni kumakhala kochepa kuposa ± 3oC, kufika pa zizindikiro za ntchito zofananira m'mayiko apamwamba.
5) Njira yopangira kutentha
Kutentha kwa mpweya ndi njira yodziwika yotentha. Amagwiritsa ntchito mfundo ya convection conduction kutenthetsa uvuni kuti akwaniritse kuyanika ndi kuchiritsa kwa workpiece. Gwero la kutentha likhoza kusankhidwa molingana ndi momwe zinthu zilili kwa wogwiritsa ntchito: magetsi, nthunzi, gasi kapena mafuta amafuta, etc. Bokosi lachitsime cha kutentha likhoza kutsimikiziridwa molingana ndi momwe ng'anjo imakhalira: kuyikidwa pamwamba, pansi ndi pambali. Ngati fani yozungulira yopangira gwero la kutentha ndi fan yapadera yolimbana ndi kutentha kwambiri, imakhala ndi zabwino zamoyo wautali, kugwiritsa ntchito mphamvu zochepa, phokoso lochepa komanso kukula kochepa.
6) Njira yoyendetsera magetsi
Kuwongolera kwamagetsi kwa kupenta ndi kupenta mzere kumakhala pakati komanso kuwongolera kwagawo limodzi. Ulamuliro wapakati ukhoza kugwiritsa ntchito programmable controller (PLC) kuwongolera wolandirayo, kuwongolera njira iliyonse malinga ndi pulogalamu yowongolera yomwe idapangidwa, kusonkhanitsa deta ndikuwunika ma alarm. Kuwongolera pamzere umodzi ndiye njira yomwe imagwiritsidwa ntchito kwambiri popanga utoto. Njira iliyonse imayendetsedwa pamzere umodzi, ndipo bokosi loyendetsa magetsi (cabinet) limayikidwa pafupi ndi zida. Ili ndi mtengo wotsika, ntchito mwachilengedwe komanso kukonza bwino.
7) kuyimitsidwa unyolo conveyor
Suspension conveyor ndi njira yotumizira ya mzere wa msonkhano wamafakitale ndi mzere wopenta. Kudzikundikira mtundu kuyimitsidwa conveyor ntchito mashelufu yosungirako ndi L = 10-14M ndi wapadera woboola pakati mumsewu aloyi aloyi zitsulo utoto utoto chitoliro. Chogwirira ntchito chimakwezedwa pa hanger yapadera (yokhala ndi mphamvu yonyamula katundu ya 500-600KG), ndipo kutuluka ndi kutuluka kumakhala kosalala. The turnout anatsegulidwa ndi kutsekedwa ndi ulamuliro magetsi molingana ndi malangizo ntchito, amene amakumana basi zoyendera za workpiece mu siteshoni iliyonse processing, ndi parallelly anasonkhanitsa ndi utakhazikika mu amphamvu kuzirala chipinda ndi malo potsitsa. Chidziwitso cha hanger ndi chipangizo chozimitsa alamu chimayikidwa pamalo ozizira kwambiri.
3. Utsi mfuti
4. Utoto
Utoto ndi chinthu chomwe chimagwiritsidwa ntchito poteteza ndi kukongoletsa pamwamba pa chinthu. Amagwiritsidwa ntchito pamwamba pa chinthu kuti apange filimu yowonongeka mosalekeza ndi ntchito zina ndi kumamatira mwamphamvu, zomwe zimagwiritsidwa ntchito poteteza ndi kukongoletsa chinthucho. Ntchito ya utoto ndi chitetezo, kukongoletsa, ndi ntchito zapadera (zotsutsa-kudzipatula, kudzipatula, kuyika chizindikiro, kuwunikira, kuwongolera, etc.).
四、Basic process flow
Njira zokutira ndi njira za zolinga zosiyanasiyana ndizosiyana. Timatenga njira wamba zokutira zigawo za pulasitiki monga chitsanzo kufotokoza ndondomeko yonseyi:
1. Njira yochiritsiratu
Pofuna kupereka maziko abwino oyenerera kupaka ndi kuonetsetsa kuti chophimbacho chili ndi zinthu zabwino zotsutsana ndi zowonongeka ndi zokongoletsera, zinthu zosiyanasiyana zakunja zomwe zimayikidwa pamwamba pa chinthucho ziyenera kuchitidwa musanaphike. Anthu amatchula ntchito yomwe yachitika motere monga chithandizo chambiri chophikira (pamwamba). Amagwiritsidwa ntchito kwambiri pochotsa zowononga pazinthu kapena roughen pamwamba pa zinthuzo kuti awonjezere kumamatira kwa filimu yokutira.
Pre-degreasing: Ntchito yayikulu ndikutsitsa pang'ono pamwamba pazigawo zapulasitiki.
Main degreasing: Choyeretsa chimatsitsa pamwamba pazigawo zapulasitiki.
Kutsuka madzi: Gwiritsani ntchito madzi apampopi aukhondo kuti mutsuka ma reagents otsalira pamwamba pazigawozo. Kutsuka madzi awiri, kutentha kwa madzi RT, kuthamanga kwa utsi ndi 0.06-0.12Mpa. Kutsuka madzi oyera, gwiritsani ntchito madzi atsopano oyeretsedwa kuti muyeretse bwino pamwamba pa zigawozo (chofunikira cha chiyero cha madzi a deionized ndi conductivity ≤10μm / cm).
Malo opumira mpweya: Njira yodutsa mpweya pambuyo pochapira madzi mumsewu wochapira madzi imagwiritsidwa ntchito kutulutsa madontho amadzi otsala pamwamba pazigawo ndi mphepo yamphamvu. Komabe, nthawi zina chifukwa cha kapangidwe kazinthu ndi zifukwa zina, madontho amadzi m'zigawo zina sangathe kuphulika kwathunthu, ndipo malo owumitsa sangathe kuumitsa madontho amadzi, zomwe zimapangitsa kuti madzi adzikundikirane pamwamba pa zigawozo. zimakhudza kupopera mbewu mankhwalawa. Choncho, pamwamba pa workpiece ayenera kufufuzidwa pambuyo lawi mankhwala. Izi zikachitika, pamwamba pa bumper iyenera kufufutidwa.
Kuyanika: Nthawi yowumitsa mankhwala ndi 20min. Uvuni umagwiritsa ntchito gasi kutenthetsa mpweya wozungulira kuti kutentha kwa njira yowumitsira kufikire mtengo wake. Zinthu zotsuka ndi zouma zikadutsa munjira ya uvuni, mpweya wotentha wa mu uvuni umawumitsa chinyontho pamwamba pa zinthuzo. Kuyika kwa kutentha kwa kuphika sikuyenera kungoganizira za evaporation ya chinyezi pamwamba pa mankhwala, komanso kusiyana kwa kutentha kwa zinthu zosiyanasiyana. Pakali pano, mzere wokutira wa chomera chachiwiri chopangira zinthu umapangidwa makamaka ndi zinthu za PP, kotero kutentha kwake ndi 95 ± 5 ℃.
Chithandizo chamoto: Gwiritsani ntchito lawi lamphamvu la oxidizing kuti mukhale ndi okosijeni pamwamba pa pulasitiki, onjezerani kugwedezeka kwa pulasitiki pamwamba pa gawo lapansi, kuti utotowo ugwirizane bwino ndi gawo lapansili kuti utoto ukhale womatira.
Zoyambira: Zoyambira zimakhala ndi zolinga zosiyanasiyana ndipo pali mitundu yambiri. Ngakhale kuti sichingawonekere kunja, chimakhala ndi mphamvu yaikulu. Ntchito zake ndi izi: onjezerani kumamatira, kuchepetsa kusiyana kwa mitundu, ndi mawanga opunduka a chigoba pazinthu zogwirira ntchito.
Chophimba chapakati: Mtundu wa filimu yophimba yomwe imawonedwa pambuyo pojambula, chinthu chofunika kwambiri ndikupangitsa chinthu chophimbidwa kukhala chokongola kapena kukhala ndi thupi labwino ndi mankhwala.
Kupaka pamwamba: Kupaka pamwamba ndi gawo lomaliza la zokutira mu ndondomeko yophimba, cholinga chake ndi kupereka filimu yophimba pamwamba gloss ndi zabwino zakuthupi ndi mankhwala kuti ateteze chinthu chophimbidwa.
五、Kugwiritsa ntchito pakupanga zodzikongoletsera
Njira yokutira imagwiritsidwa ntchito kwambiri popaka zodzikongoletsera, ndipo ndi gawo lakunja la zida zosiyanasiyana za milomo,mabotolo agalasi, mitu yapope, zipewa za botolo, ndi zina.
Chimodzi mwazinthu zazikulu zopaka utoto
Nthawi yotumiza: Jun-20-2024