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Nguva Inotonhorera Yejekiseni Yakaumbwa Zvikamu

Chivabvu 15, 2021

Kuverenga kweKutonhodza Nguva yePlastiki Injection Yakaumbwa Zvikamu.

Semuchina wekuumba jekiseni,mu kugadzirwa kwejekiseni, iyo nguva yekutonhodza yemajekiseni epurasitiki akaumbwa zvikamu zvinokwana 80% yenguva yese yekugadzira jekiseni. Kusatonhodza zvakanaka kunowanzo konzera warpage yechigadzirwa kana kuremara kwepamusoro, iyo inokanganisa dimensional kugadzikana kwechigadzirwa. Kurongeka kunonzwisisika kwejekiseni, kubata kudzvanywa uye kutonhora nguva kunogona kuvandudza chigadzirwa kunaka uye kubereka.

Nguva yekutonhodza yechikamu kazhinji inoreva nguva kubva apo plastiki inonyungudika yakazadzwa ne jekiseni mold mhango kusvika apo chikamu chinogona kuvhurwa uye kubviswa. Nguva yakajairwa yekuvhura mold kuti ibudise zvidimbu zvinowanzobva pakuti zvikamu zvanyatsopora, kuva nerimwe simba uye kuoma, uye haizoremara kana kutsemuka kana mold yabviswa.

Kunyange kana mhando imwechete yepurasitiki inoshandiswa pakuumba, nguva yayo yekutonhora inosiyana nekukora kwemadziro, kupisa kwepurasitiki yakanyungudutswa, kupisa kwekudzikisa kwechikamu chakaumbwa, uye kudziya kwejekiseni mold.

Fomula yekuverenga nguva yekutonhodza 100% nemazvo mumamiriro ese haasati aburitswa, asi mafomula chete anogona kuverengerwa pahwaro hwefungidziro dzakakodzera. Iyo yekuverenga formula inosiyanawo zvichienderana netsanangudzo yenguva yekutonhora.
Nekuti iyo IC tray ine huremu huremu, zvinotevera mipimo mitatu anowanzo shandiswa sehwaro hwekutarisa nguva yekutonhora:

â‘ Tembiricha yepakati pechikamu cheiyo gobvu chikamu chepurasitiki jekiseni rakaumbwa chikamu, uye nguva inodiwa kutonhora kusvika pazasi tembiricha yekupisa yepurasitiki;

â‘¡Avhareji tembiricha muchikamu chepurasitiki jekiseni akaumbwa zvikamu, uye nguva inodiwa kutonhora kusvika kune mold tembiricha yechigadzirwa chakataurwa;

â‘¢Tembiricha yenzvimbo yepakati yechikamu chakakora chekristaro inoumba madziro epurasitiki ndiyo nguva inodiwa kutonhora pazasi pekunyungudika kwayo., kana nguva inodiwa kuti usvike iyo yakatarwa muzana yecrystallization.

Pakugadzirisa formula, fungidziro dzinotevera dzinowanzoitwa:

â‘ Purasitiki inobaiwa mu jekiseni mold, uye kupisa kunoendeswa kune jekiseni mold kuti itonhodzwe;

â‘¡Purasitiki iri mugomba rekuumba iri padhuze negomba rekuumbwa uye haizopatsanurwe nekuda kwekutonhora kuderera.. Iko hakuna kupikisa kune kupisa kwekutamisa uye kuyerera pakati pekunyunguduka nemadziro emuumbi.

Tembiricha yekunyunguduka inova yakafanana kana yasangana nemadziro eforoma. Ndizvozvo, apo ipurasitiki yakazadzwa mugomba re mold, kupisa kwepamusoro kwechikamu kwakaenzana nekupisa kwemadziro emadziro;

â‘¢Panguva yekutonhora kwe epurasitiki jekiseni akaumbwa zvikamu, tembiricha pamusoro peiyo jekiseni mold cavity inogara yakafanana;

â‘£Dhigirii yekupisa yekupisa pamusoro peiyo jekiseni mold ndeyechokwadi; (iyo melt yekuzadza process inoonekwa se isothermal process, uye tembiricha yezvinhu zvakafanana)

⑤Iyo pesvedzero yekutarisa uye kushushikana kwekupisa kwepurasitiki pane deformation yechikamu inogona kufuratirwa., uye saizi yechikamu haina mhedzisiro pane yekusimbisa tembiricha.

Kana uine chero mibvunzo pa jekiseni kuumbwa ,plz sunungukai kubvunza FLYSE timu,tichakupa yakanakisa sevhisi!

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