Nkhani ku India
DJmolidng's Insert Mold in Injection Molding Service for Indian Companies
Insert nkhungu nthawi zambiri imakhala ngati nkhungu yomwe imapanga mtedza, zigawo zachitsulo kapena zida zapulasitiki zolimba zokhazikika m'mabowo opangira jekeseni.
DJmolding imapereka ntchito yopangira jakisoni wa mlod pamsika waku India, ndipo timapanga zida zapulasitiki zambiri zamafakitale osiyanasiyana, makamaka kwa opanga zida zapanyumba. Ena opanga zida zapanyumba zaku India amagula zida zapulasitiki zomangirazo kwa nthawi yayitali ngati DJmolding. Tili ndi mgwirizano wabwino kwambiri ndi makampani aku India awa.
Ikani jekeseni wa mtedza: zinthu za mtedza zimatha kukhala chitsulo chosapanga dzimbiri, mkuwa, mkuwa ndi chitsulo, nthawi zambiri mtedza wamkuwa umagwiritsidwa ntchito. Mkuwa ndi wosavuta kukumba, zomwe zimathandiza mtedza ndi mapulasitiki kuti azilumikizana bwino. Kulekerera kwa mtedza wamkati wamkati kuyenera kuyendetsedwa mkati mwa 0.02mm, mwinamwake kumayambitsa kuwala ngati kulolerana kupitirira 0.02mm. Poyika nkhungu, muyenera kusonkhanitsa mtedza mu zikhomo kuti muyese. Ngati ili yolimba pakati pa mtedza ndi mapini, zingakhale zovuta kutulutsa mbaliyo ndikuyambitsa zizindikiro zotulutsa kapena zomata. Ngati ndi lotayirira, lingayambitse flash.
Ikani zitsulo zopangira jakisoni:
Zitsulo zimatha kukhala chitsulo chosapanga dzimbiri, aluminiyamu, mkuwa, chitsulo ... etc. Kulekerera kwazitsulo kuyenera kuyendetsedwa mkati mwa 0.02mm, apo ayi ndizovuta kusindikiza zakuthupi komanso kukhala ndi kung'anima kosavuta. Maekala azitsulo sangapangidwe kukhala aakulu kwambiri.
Ngati maekala odzaza zigawo zachitsulo ndi zazikulu kwambiri, zingakhale zovuta kuti mukwaniritse jekeseni wathunthu ngati kusiyana kwakukulu kwa kutentha pakati pa zitsulo. Malo a zitsulo nthawi zambiri amapangidwa pabowo kuti zibowo zisamasunthe, zomwe zimathandiza kupewa kung'anima chifukwa cha zitsulo zomwe zimasiya kuyenda (zikakhala zovuta kwambiri, zitha kuwononga nkhungu). Makamaka, malo azitsulo amatha kupangidwira pachimake kapena pambali pa chinthucho.
Ikani jekeseni wolimba wa pulasitiki:
Nthawi zambiri sankhani mapulasitiki olimba okhala ndi malo osungunuka kwambiri, monga PEEK, PA66+30GF, PP+30GF, PA12+30GF, PPS….etc. Kulekerera kwa mapulasitiki olimbawa kuyenera kukhala kolondola. Zowonongeka monga kuchepa, kuphulika, ndi kupindika sizingakhalepo m'malo osindikizira. Poyika nkhungu, pulasitiki yolimba iyenera kuyikidwa mkati mwa nkhungu kuti iyesedwe, ndikusiyidwa 0.05-0.1mm kukanikizatu mozungulira malo osindikizira kuti musindikize bwino.
Gawo la pulasitiki lolimba siliyenera kupangidwa kukhala lalikulu kwambiri, zomwe zingayambitse kusiyana kwa kutentha ndikupangitsa kuti zikhale zovuta kudzaza jekeseni. Nthawi zambiri pangani gawo la pulasitiki lolimba lokhazikika m'mbali mwabowo, chifukwa chibowo sichisuntha, kupewa kung'anima kapena kuwononga nkhungu pakusuntha. Makamaka, malo azitsulo amatha kupangidwira pachimake kapena pambali pa chinthucho.
Pangani mfundo zazikulu
1.Design shrinkage kwa mankhwala okhala ndi mtedza amaika, pamene palibe kufunika kupanga shrinkage kwa zinthu ndi zitsulo mbali ndi zolimba pulasitiki oika. Pamalo omwe amafunikira kulekerera kwambiri, sinthani kukula kwa malonda kukhala apakati.
2.Nthawi zambiri mutengere maziko a nkhungu ndi chipata chokhazikika cha pin-point mu mapangidwe a nkhungu, ndipo mu jekeseni yachiwiri, ikani magawo olowetsamo muzitsulo momwe mungathere. Pa chikhalidwe kupanga amaika atakhazikika patsekeke, ganizirani mmene kupanga mbali kumanzere pachimake pambuyo akamaumba jekeseni, motere, mbali akhoza ejected. Nthawi zambiri onjezani zotanuka muzitsulo ndi zotanuka zomatira kuti gawo likhale pakati. Mtunda wapakati pa midadada zotanuka ndi zomatira sungakhale waukulu kwambiri, apo ayi mphamvu zotanuka zimatha kuyambitsa pulasitiki yolimba kapena mbali zachitsulo. Mtunda wake umapangidwa mkati mwa 2mm, ndipo moyenerera onjezerani kuchuluka kwa zotanuka ndi guluu zotanuka pamene zoyika zachitsulo kapena pulasitiki zolimba zimakhala ndi maekala akulu.
3.Kukula kwazinthu kumakhala bwino mkati mwa 1.3-1.8mm (kuzungulira 1.5mm ndi yabwino kwambiri), ngati sichoncho, muyenera kuyang'ana kupyolera muzojambula zamalonda ndikuwonetsa makasitomala kusintha. Ngati makulidwe azinthu ndi owonda kuposa 1.3mm, ndizovuta kudzaza zinthu, pomwe makulidwe azinthu ndi okhuthala kuposa 1.8mm, kuchepa ndikosavuta kuchitika popanga.
4.Gating ndi yofunika kwambiri mu nkhungu. Kuchuluka kwa zinthu zodzaza pachipata kuyenera kuganiziridwa bwino.Pamene zinthu zimathamangira kumalo kumene zitsulo kapena pulasitiki zolimba zimakhazikika, liwiro la kudzazidwa kwa zinthu ndi kupanikizika kumatsika chifukwa choyikapo kukana ndi kusiyana kwa kutentha.
5.For mold ejector system, Kuchuluka kwa ejecting kuyenera kuganiziridwa kapena kusinthika kudzachitika pambuyo potulutsa. Kwa zigawo sizingasinthidwe moyenera, ziyenera kuganizira kugwa kuti ziwongolere bwino vuto la kapangidwe kake.
6.Kutsimikizira kuyenerera kwa maonekedwe a ziwalo pambuyo potulutsidwa mu jekeseni, chipangizo cha ejector chiyenera kukhala cholimba cha pulasitiki choyikidwa ndi ABS kapena PMMA. Ngati pamwamba pa nkhungu yatsekedwa ndi slide, pangani ma slide pabowo momwe mungathere, chifukwa ma slide omwe ali pabowo amathandizira kuyika nkhungu.
7.Kutsimikizira mphamvu ya kusindikiza SA (chilolezo cha msoko), pazopangidwa kuchokera ku jekeseni kawiri, m'lifupi mwa kusindikiza SA kuyenera kukhala osachepera 0.8mm. Pazinthu zachiwiri za jakisoni ndi pulasitiki yolimba, m'lifupi mwa kusindikiza SA kuyenera kukhala osachepera 1.0mm, apo ayi, pakufunika kulimbikitsa makasitomala kuti asinthe malondawo.
8.Popanga nkhungu, tiyenera kutenga makina opangira jekeseni kuti apangidwe kuti awone mtundu wa makina omwe amatengera, ofukula kapena opingasa. Akuti musapange zibowo zambiri, makamaka nkhungu yokhala ndi othamanga ozizira chifukwa zibowo zambiri zimapangitsa wothamanga kukhala wotalikirapo, kuwononga zinthu komanso kumawononga jekeseni wokwera kwambiri. Kuti tigwirizane ndi makina omangira jakisoni, tiyenera kuganizira ngati ili yophatikizika komanso yololera pamakonzedwe azinthu. Zogulitsazo ziyenera kukhazikitsidwa kuti zitsimikizire kuti zinthuzo zimakhala zofanana nthawi iliyonse zikayikidwa mu nkhungu. Njira ina ndi kachitidwe kachitidwe kachitidwe kuti achenjeze ngati gawolo silili pamalo abwino nkhungu isanatseke, zomwe zimathandiza kusiya kutseka kwa nkhungu. Mwanjira imeneyi, mbali zake zimakhala zofanana mu nkhungu, zomwe zimakweza mitengo yoyenerera ndikuchita bwino pakuumba jekeseni.
9.Thandizo lachitsulo liyenera kupangidwa monga momwe jekeseni ya nkhungu imakhala ndi mphamvu yaikulu mu jekeseni (iyenera kukhala 5-10 mm yaikulu kuposa gawo la mawonekedwe ndi kukula kwake). Sipayenera kusiya kusiyana pakati pa magawo ozungulira malo owumbidwa kwambiri, apo ayi gawolo likhala lopanda mawonekedwe pambuyo jekeseni yachiwiri. Kwa magawo opanda SA (msoko allowance) adzafunika kusamala kwambiri pankhaniyi.
10.Air ulendo mosavuta Air ulendo zimachitika mosavuta akamaumba jekeseni, kotero ayenera mokwanira kuganizira potulukira mu kupanga nkhungu. M'makona onse akhungu ndi malo a mizere yamadzi aatali, ayenera kupanga mabowo otulutsira mpweya pamapulasitiki olimba chifukwa ndizovuta kwambiri kudzaza zinthu m'makona akhungu.
11.Kutsimikizira kuti jekeseni wazinthu ndi kukankhira koyenerera kumadzazidwa kwathunthu, njira imodzi ndiyo kupanga ma undercuts pamakona a gawo kuti apititse patsogolo zomatira ndikupangitsa kuti magawo amamatire kwambiri.
12. M'malo osindikizira ndi malo olekanitsa, tisachotse pabowo ndi pachimake, chifukwa mizere yotsekera mu nkhungu ndikumangirira kumapangitsa kung'anima pakuyika nkhungu. Yesani kutsitsa ndi LISS-OFF.
Mitundu yolowera pachipata cha nkhungu yoyika
Chipata cholowetsa nkhungu chikhoza kupangidwa kuti chiziwongolera chipata cha sprue valve, chipata cha sprue pin, chipata cha pin-point, sub gate, m'mphepete ... etc.
Chipata chotentha cha sprue valve: madzi abwino, posankha chosinthika, chipata chaching'ono. Zoyenera kupanga zazikulu komanso zopangidwa ndi makulidwe a khoma. Zingathandize kusunga zinthu, palibe zinyalala zapakhomo, nthawi yochepa yotsogolera, komanso khalidwe lapamwamba. Vuto lokhalo ndilongolowera pang'ono.
Hot sprue pin gate: zabwino zamadzimadzi, udindo kusankha kusinthasintha, yaing'ono pachipata mfundo. Zoyenera kupanga zazikulu komanso zopangidwa ndi makulidwe a khoma. Zingathandize kusunga zinthu, palibe zinyalala zapakhomo, nthawi yochepa yotsogolera, komanso khalidwe lapamwamba. Koma pali zolakwika, monga zinthu za 0.1mm zomwe zasiyidwa mozungulira pachipata, komanso zosavuta kuzimitsa. Muyenera kupanga ma grooves kuti mutseke zinthu zakumanzere kuzungulira pachipata.
Pin-point Gate: posankha kusinthasintha, kufooka kwamadzi, mtunda wautali wothamanga, polowera pang'ono. Zokwanira kupanga magulu ang'onoang'ono. Zinyalala zambiri kuzungulira gate point. Amafunika mikono yamakina kuti mutseke pachipata popanga. Nthawi yayitali. Chilema ndi zinthu za 0.1-0.2mm zomwe zasiyidwa mozungulira pachipata, muyenera kupanga mipope yotsekera zinthu zakumanzere kuzungulira pachipata.
Sub gate: ikhoza kupangidwa pa nthiti muzitsulo, pakati, makoma am'mbali, ndi zikhomo za ejector. Itha kusankha polowera pachipata mosinthasintha, kuthira chipata chodzipatula kumangodzipatula, kutsata pang'ono. Zowonongeka: zosavuta kutulutsa zinthu kuzungulira pachipata, zosavuta kuyimitsa zipsera pamalo olowera, zimafunika kufafaniza ndi dzanja, kutayika kwa makina osindikizira kuchokera pachipata kuchokera pamabowo.
Gate Gate: pulasitiki yosungunuka imayenda kudzera pachipata, imayikidwa pambali mofanana, kuchepetsa nkhawa; kuchepetsa mwayi wolowera mpweya, pewani kuyambitsa mikwingwirima ndi thovu. Zowonongeka: Kuthira chipata sikungalekanitse kuchokera ku gawo lokha, zizindikiro zakumanzere za sprue m'mphepete mwa gawo, zimafunikira zida zopangira kuthira chipata chathyathyathya. Chipata cha m'mphepete chimatha kuthandizira jekeseni ndi kukakamiza kukakamiza, komanso ndi yabwino kugwiritsira ntchito ndi kudyetsa, motere, ndi bwino kuwongolera mizere ya mpweya, zizindikiro zoyenda ... etc.
Kukonzekera ndi kuyika kwa nkhungu yoyikapo
1.Musanayambe kukonza, gwiritsani ntchito ukadaulo wokonza nkhungu. Sankhani makina opangira olondola kwambiri, makina othamanga kwambiri, makina odulira pang'onopang'ono a NC, galasi la EDM (makina otulutsa magetsi) etc.
2.Design 0.05-0.1mm kumanzere mu malo a chisanadze kukanikiza.
3.Note mwatsatanetsatane zofunikira pakukonza maziko a nkhungu, fufuzani kulekerera mutatha kupeza maziko a nkhungu ndipo musagwiritse ntchito ngati kulekerera kuli kosayenera.
4.Ikani mtedza, zigawo zachitsulo ndi pulasitiki zolimba mkati mwa nkhungu kuti zigwirizane ndi nkhungu. Ngati mupeza zovuta pakuyika nkhungu, yang'anani mu mtedza, zitsulo, pulasitiki zolimba ndi nkhungu kuti muwone yomwe ili yolakwika. Sinthani gawo molingana ndi zojambula momwe mungathere, zomwe zimathandiza kufufuza deta m'tsogolomu.
5.Simungagwiritse ntchito chopukusira popanga nkhungu. Tembenukira ku makina owongolera pomwe kuyika nkhungu sikuli bwino.
6.Yesani kuyesa musanayesedwe, pewani kuphonya ndikusokonekera molakwika. Kusonkhanitsa molakwika kungayambitse kuwonongeka kwa nkhungu.
Kuyesa nkhungu pakuyika nkhungu
1.Pakuyesa nkhungu, munthu ayenera kudziwa bwino za kutsegulira, kutseka ndi kutulutsa nkhungu. Mvetserani mawonekedwe ndi mawonekedwe a zitsulo ndi zida zapulasitiki zolimba.
2.Dziwani momveka bwino za kuchuluka kwa zitsanzo zomwe kasitomala amafunikira, konzani mtedza wokwanira, zigawo zachitsulo ndi mapulasitiki olimba, chifukwa zimafunikira zitsanzo zambiri pakuyesa nkhungu.
3.Dziwani ngati angayese nkhungu popanda kuika mtedza, zitsulo kapena mapulasitiki olimba. Ngati kuyika mtedza, zitsulo ndi mapulasitiki olimba sanasonkhanitsidwe mu nkhungu, gawolo likhoza kukhala ndi zolakwika monga kumamatira ku nkhungu kapena kuwombera mwachidule.
4.Nthawi zambiri, muyenera kusintha mbale yamadzi pa nkhungu, koma nthawi zina sizingasinthe mbale yamadzi mumtundu wina woyikapo potengera kapangidwe kawo, kapena choyipa kwambiri, nkhungu imakakamira kwambiri ndipo ikufunika kusinthidwa, kapena nkhungu ikuwonongeka kutsegula.
5.Mavuto amatha kuchitika poyesa nkhungu, monga kuwombera kochepa, maulendo apamlengalenga, kuwala, kapena kumamatira ku nkhungu. Ngati zovuta zitha kutsimikiziridwa pamakina opangira jakisoni, ndikwabwino kuwathetsa.
DJmolding ali ndi zaka zopitilira 10+ zopanga, ngati muli ndi funso, chonde titumizireni.
