Chikamu chine rondedzero chimiro uye nedarebar. Iwe unogona kusarudza kuti ndeipi yekuratidzira neiyi catgory kana akagadzirisa chikamu chimwe. Iwe unogona kusarudza pasina parutivi kana nedanho, ine zvinyorwa zvinyorwa kana isina mufananidzo kana necumn maitiro. Zviri nyore kwazvo.
Acrylic inonzi kemikari inonzi polymethyl methacrylate (PMMA muChirungu). Nekuda kwekukanganisa kwePMMA pamusoro kuomarara, nyore kukwenya, low impact resistance, urombo kuumbwa fluidity, Nekuti iyo IC tray ine huremu huremu, kugadziridzwa kwePMMA kwakaonekwa imwe mushure meimwe. Zvakadai secopolymerization yemethyl methacrylate ine styrene uye butadiene, kusanganiswa kwePMMA nePC, nezvimwewo. Kuyerera kwePMMA kwakaipa kupfuura izvozvo …
The pesvedzero epurasitiki kudziyisa kumhanya Kazhinji kutaura, panguva yekudzima kupisa, iyo inokurumidza kukurumidza kupisa kwepurasitiki, iyo yakanyanya kushushikana kwekushisa kunogadzirwa mu mold, izvo zvinogona kukonzera deformation uye kuputika kwe mold. Kunyanya kune alloy simbi uye high-alloy simbi, nekuda kwehurombo hwavo hwekupisa conductivity, chenjedzo dzakakosha dzinofanira kutorwa. Kupisa, kune mamwe maumbirwo akaoma e …
Iyo mold inosangana nezvinodiwa zvemamiriro ekushanda Pfeka kuramba Kana iyo isina chinhu ichiremara mupurasitiki mugomba rekuumbwa., inoyerera uye inotsvedza nepamusoro pegomba, kukonzera kukweshana kunotyisa pakati pepamusoro pegomba nepasi, izvo zvinoita kuti mold ikundikane nekuda kwekupfeka. Naizvozvo, kupikisa kupfeka kwechinhu chimwe chete …
Mapoinzi matanhatu makuru epp jekiseni molding.Kugadziriswa kwepurasitiki mbishi zvinhu kunonyanya kunyungudika, kuyerera, chimiro, uye wozotonhorera muchigadzirwa chakapedzwa. Inzira yekudziisa uyezve kutonhora. Iyo zvakare maitiro ayo epurasitiki anochinja kubva pamapellets kuenda kune akasiyana maumbirwo. Izvi zvinotevera zvinotsanangura kugadzirisa kubva pamaonero akasiyana …
Idzo njodzi huru shanu dzekukwira zvakanyanya tembiricha yemuchina wekuumba jekiseni ndidzo: thermal deformation yemuchina, yakaderedzwa mafuta viscosity, deformation yezvisimbiso zverubha, accelerated mafuta oxidation uye kuora, uye kuderedzwa kwechikamu chemhepo. Imwe yenjodzi: thermal deformation yemuchina Zvikamu zvinofamba zvine akasiyana coefficients ekuwedzera kwemafuta muzvikamu zvehydraulic zvakanamira. …
Sarudzo chaiyo yerudzi uye zvakatemwa zvemushini wejekiseni usati washandiswa zvine simba rakakura pamutengo wekugadzira, kunaka uye kushanda zvakanaka kwekugadzirwa kwejekiseni rakaumbwa zvigadzirwa. Usati wasarudza zvakatemwa uye mhando dzejekiseni molding muchina, tanga watarisa maitiro ekuita parameter maitiro ejekiseni rekugadzira muchina mune chigadzirwa chekuraira bhuku rinopihwa ne …
Mhando dzakasiyana dzesimbi dzinoshandiswa semapuranga epurasitiki, uye maitiro avo emakemikari uye mechanical properties zvakasiyana, saka nzira dzekugadzira nzira dzakasiyana; zvakafanana, marudzi akasiyana epurasitiki mold steels anoshandisa maitiro akasiyana-siyana ekurapa kupisa. Ichi chikamu chinonyanya kuunza nzira yekugadzira nzira uye maitiro ekupisa kwekupisa maitiro epurasitiki mold. Tsanangudzo ye …
Mhedzisiro yekumanikidza kumashure pakuumbwa kwejekiseni yakakosha, uye inobata zvakananga kuzadza kwekunyunguduka uye kunaka kwezvikamu zvepurasitiki. (1) Kudzvinyirirwa kwakakodzera kumashure kunogona kuvandudza mhando yezvigadzirwa â‘ Iyo inogona kubatanidza kunyungudika mudhiramu, kuwedzera density, uye kuvandudza huwandu hwejekiseni, chigadzirwa uremu uye dimensional kugadzikana; â‘¡The …
Maitiro ekupfupisa jekiseni rekuumba kutenderera muchina jekiseni rekuumba muchina? Munzanga yebhizimisi iri kuwedzera kukwikwidzana, kunatsiridza kugadzirwa kwakanaka inyaya inofanirwa kutariswa. Ichi chinyorwa chinotsanangura nzira dzakasiyana-siyana dzekuvandudza kutenderera kwejekiseni nekushandisa iripo kana ichangobva kugadzirwa china jekiseni rekuumba michina kana molds Injection cycle Iyo jekiseni kutenderera kwe hydraulically. …
Yefekitari yekuumba jekiseni, kushandiswa kwesimba kwejekiseni molding process kunotora nezve 60%. Naizvozvo, zvinobudirira kuderedza kushandiswa kwesimba kwejekiseni molding machine inzira inokosha yekuchengetedza simba mufekitari yekuumba jekiseni. Nekuenderera mberi kwekuvandudza kwesimba rekuchengetedza simba-rekuchengetedza simba rejekiseni rekuumba pachayo, kuderedza iyo yakazara simba rekushandisa …
Zvikamu zvakapetwa zveiyo jekiseni rekuumba muchina, pano zvinoreva: Shandisa "dummy" slug kuisa mujekiseni nozzle tipi kuvhara kuyerera chaiko kwezvinhu, rakanyungudika mbiya, Musoro weRabha, rabha reti, Rubber Gasket. Kana iyo jekiseni kuumbwa muchina iri kushanda, zvikamu zvakapetwa zvakaita semavhiri emota. Chero bedzi zvavakatangwa, Vachaiswa pasi pekumanikidzwa, kukanganisa, kupokana, uye svina. Kune iyo tireyi, kutyaira …
Kazhinji kutaura, Vazhinji vevatengi vanga vari vanga vari mujekiseni rekuumba maindasitiri kwemakore mazhinji, Iva nekugona kuzvitonga uye kusarudza iyo yakakodzera china jekiseni muchina kugadzira. Zvisinei, Mune zvimwe zviitiko, mutengi angangoda rubatsiro rwemugadziri pakusarudza kuti ndeupi muchina wekuumba jekiseni wokushandisa, kana kunyange mutengi anogona kungova neiyo …
