Ukuqonda ABS Shot Molding

Ukubumba ukudubula kwesisu kubhekisa kwinkqubo yokutofa iplastiki enyibilikisiweyo yesisu kwisingundo kuxinzelelo oluphezulu kunye namaqondo obushushu. ZininziUkubumba inaliti ye-ABSizicelo njengoko iyiplastiki esetyenziswa kakhulu kwaye inokufumaneka kwimoto, into yabathengi, kunye namacandelo okwakha phakathi kwabanye.

Yintoni i-ABS Shot Molding?

Ukubumba inaliti ye-ABS (Acrylonitrile Butadiene Styrene) yenye yezona ndlela zikhethwayo zokwenza izinto zeplastiki ze-ABS. Isihlunu sesisu yipolymer yepolycarbonate ehlala ixesha elide kwaye kulula kakhulu ukusebenzisana nayo. Ukubumba ukudutyulwa yinkqubo equka ukutofa i-ABS enyibilikisiweyo kanye kwindawo yokungunda kunye nokungunda. Icandelo le-ABS liyaphola kwaye liyagxothwa. Isitofu sokubumba siyakhawuleza kwaye sithembekile, kwaye sinokusetyenziswa ukuphuhlisa izinto ezahlukeneyo zesisu. Isibini esikhulu sokwenza izinto ezintsha sinokufikelela kwisikali esifanayo kwixabiso eliphantsi elibonelelwa ngokubumba ukudubula.

Izihlunu zesisu zisetyenziswa ngokubanzi ekubumbeni ukudubula ngenxa yezakhiwo ezikhethiweyo. Ezi ziquka ukuqina okuphezulu, ubushushu obuphantsi bokunyibilika, ukuphinda kusetyenziswe, kunye nokumelana kakuhle nemichiza kunye nobushushu. Ngokukwanjalo kulula ukusetyenzwa kwaye inokwenziwa ngokweesayizi neemilo ezahlukeneyo. Ngenxa yoko, i-ABS lolona khetho lufanelekileyo lwezicelo apho kufuneka amandla kunye nokomelela, okunje: iinxalenye zemoto, izixhobo zekhaya losapho, izixhobo kunye nezixhobo zeklinikhi. Lilonke, isihlunu sesisu lukhetho oluguquguqukayo nolubalaseleyo lokubumba inaliti.

Usetyenziso lwe-ABS ye-Injection Molding

Isisu sisetyenziswa kwiimarike ezininzi. Amanye amashishini aqhelekileyo kunye nezicelo zawo ezifanelekileyo zidweliswe ngezantsi.

Iimveliso zabathengi: imisipha yesisu isetyenziswa ngokuqhelekileyo kwicandelo labathengi. Izinto eziqhelekileyo ziquka iLego Ⓡ iibhloko kunye neemfihlo zebhodibhodi yekhompyuter. Izihlunu zesisu zivelisa indawo egudileyo, ecwebezelayo engachaphazelekiyo ekukhuleni kothuli. I-ABS ngokuqinisekileyo iya kusabela kakuhle ekufakweni kwee-pigments kwaye inokupeyintwa ngokulula okanye mhlawumbi i-electroplated ukuba ikhethwa.
Imakethi yolwakhiwo: izihlunu zesisu zisetyenziselwa izindlu ezithengiswayo kwizixhobo ezininzi zamandla ngenxa yokuqina kwayo. Ufakelo lwamandla ombane lwenziwa rhoqo kwi-ABS.
Imarike yeemoto: I-ABS idla ngokusetyenziswa kumacandelo afana nala: iideshibhodi, iinxalenye zebhanti lokhuseleko, iintsimbi zocango, kunye neebhampa ngenxa yokuncipha kobunzima bayo, ukuqina, kunye nokuqina.

I-ABS Shot Molding Refine

Inkqubo yokubumba izihlunu zesisu iyafana nenkqubo ebandakanyekayo ekubumbeni ngokudubula kwezinye ezininzi ezahlukeneyo ze-thermoplastics. Inkqubo yokubumba inaliti ye-ABS iqala ngeepellets zemathiriyeli ye-ABS zityiswa kanye kwisitya. Iipellets zisemva kokuba zinyibilikisiwe kwaye zifakwe ngqo kwi-mold phantsi koxinzelelo oluphezulu. Xa umsipha wesisu otyhidiweyo sele upholile kwaye uqina, inxalenye iyakhutshwa kwi-mold kwaye inkqubo iyaphindwa. Inkqubo yokubumba izihlunu zesisu isisiseko ngokufanelekileyo kwaye iyasebenza, iyenza ibe yeyona nto ifanelekileyo yokwenziwa komthamo ophezulu. I-ABS ngokunjalo inozinzo olukhulu olunobume kwaye inokwenziwa lula ngoomatshini okanye yombiwe emva kokubunjwa.

ABS Shot Molding Strategies

Apha ngezantsi kudweliswe ezinye iindlela ezibalulekileyo ezisetyenziselwa inaliti yokubumba izihlunu zesisu ezineempawu ezahlukeneyo:

Amacandelo anodonga olubhityileyo: I-ABS inobungqingqwa obuphezulu ngokufanelekileyo, kwaye njengoxinzelelo olunjalo lwenaliti kufuneka luphuculwe kwizinto ezinodonga olubhityileyo. Ngaphambi kobushushu bayo beplastiki, i-viscosity ye-ABS iya kuphakama ngokunyuka kobushushu. Ke ngoko, uxinzelelo kuphela olunokwandiswa kumacandelo amancinci anodonga. Ukungunda kufuneka kulungiselelwe ngokukhethekileyo ukuhlangabezana nolu xinzelelo luphakanyisiweyo.
Amacandelo amakhulu aHollow: Isitofu sokubumba izinto ezinkulu, ezincinci, okanye ezingenanto ziyavavanywa. Kunokuba luncedo ukuthatha ithuba lokuncedwa ngamanzi okanye ukuncedwa ngegesiisitofu sokubumbaeyenza ukuba kwenziwe izinto ezinkulu, ezinodonga olucekethekileyo, okanye ezingenanto. Obu buchule busebenzisa amanzi anoxinzelelo oluphezulu okanye irhasi ukutyhala iplastiki enyibilikisiweyo emacaleni obumba ukwenza ingxinano kunye nobungakanani obugudileyo bangaphakathi.
Izahlulo ezinodonga olungqingqwa: Ukwenziwa kweendonga ezishinyeneyo susa amacebo okubumba amatye asemgangathweni anokuvelisa amanqaku e-sink kwicala. Obunye ubuchule bokujikeleza oku kukusebenzisa ukubumba imbumbulu yokucinezela, ethi idipozithe isixa esithile seplastiki etyhidiweyo kanye kwisingundo kunye nokungunda ukwenza indawo yokugqibela. Esi sicwangciso sikwathoba uxinzelelo lwangaphakathi oluqhelekileyo ngokubumba ukudubula. Ngokuchaseneyo, amanqaku e-sink anokunyamekelwa nge-thinner (okanye ngaphezulu iyunifomu) ukungunda kunye nodonga lwamadonga okanye ukunyusa umthamo wokudlulisa i-thermal kwi-mold.
Iimveliso ezininzi: Ukuba amacandelo amaninzi afunekayo, ngoko ke iindlela ezifana nokufaka ukubumba okanye ukugqithisa kungasetyenziswa. Izihlunu zesisu zihlala zisetyenziselwa izixhobo zemizi-mveliso ezifana needrili ezingenazintambo, ezithi iziphatho zazo zigxunyekwe ngaphezulu kwesisu ukuze kuphuculwe ukubanjwa kwesixhobo.

Izinto ezilungileyo zokuMbumba ngesitofu se-ABS

Izinto eziluncedo zokubumba inaliti yezihlunu zesisu zezi:

1. Ukusebenza okuphezulu - Ukusebenza kakuhle

Ukubumba i-shot yindlela esebenza ngokugqithisileyo kwaye enemveliso yokuvelisa kwaye bubuchule obucetyiswayo bokwenza amalungu emisipha yesisu. Inkqubo ivelisa inkunkuma ethintelweyo kwaye inokuvelisa umthamo omkhulu wamalungu ngonxibelelwano olulinganiselweyo lwabantu.

2. Uyilo lwaMacandelo aNxibelele

Shot ukubumbainokuvelisa amacandelo amaninzi, antsonkothileyo anokuthi aqulathe izinto ezifakelwayo zentsimbi okanye ii-handholds zokubamba ezithambileyo. Ubugocigoci bamalungu buthintelwe nje liqela lemigangatho ebekekileyo yemveliso (DFM) eyenzelwe ngokukodwa ukubumba inaliti.

3. Ukonyuka kokuqina

Isisu siqinile, i-polycarbonate ekhaphukhaphu esetyenziswa kakhulu kwiimarike ezahlukeneyo ngenxa yezi zakhiwo. Ke ngoko, ukubumba inaliti kwi-ABS ilungile kwizicelo ezifuna ukomelela okongeziweyo kunye namandla omatshini ngokubanzi.

4. Ukuguquguquka koMthunzi kunye neMveliso

Isisu sinombala ngokufanelekileyo kunye neentlobo ezahlukeneyo ze-shades; oku kubonakala ngeebhloko zeLego Ⓡ ezenziwe ngezihlunu zesisu. Kufuneka kuqatshelwe, nangona kunjalo, ukuba i-ABS ayinakuxhathisa imozulu kwaye inokonakala kukukhanya kwe-UV kunye nexesha elide ngaphandle kokuvezwa ngokuthe ngqo. Iindaba ezimnandi zezi, i-ABS inokupeyintwa kwakhona kwaye ifakwe i-electroplated ngentsimbi ukuphucula ukuxhathisa kwayo kokusingqongileyo.

5. Inkunkuma ethotyiweyo

Ukubumba i-shot yimveliso ephantsi yenkcitho yetekhnoloji yanamhlanje njengesiphumo somthamo omkhulu wokwenziwa kwenaliti eyenzelwe yona. Xa kusenziwa izinto ezininzi ngonyaka ngamnye, naluphi na uhlobo lobungakanani benkcitho bongeza kwixabiso elikhulu ngokuhamba kwexesha. Ekuphela kwenkunkuma zizinto ezikwi-sprue, ii-joggers, kunye nokudanyaza phakathi kweziqingatha zokungunda.

6. AbaSebenzi abafikelelekayo

Ngenxa yobume obuzisebenzelayo bokubumba ukudubula, ungenelelo olulinganiselweyo lomntu luyafuneka. Ukuthotywa kongenelelo lwabantu kukhokelela ekuthotyweni kwamaxabiso abasebenzi. Oku kuncitshiswa kweendleko zabasebenzi ekugqibeleni kukhokelela ekufikeleleni kwinxalenye nganye.

Imiba engalunganga yokuBunjwa kwesitofu se-ABS

Iingxaki zokubumba inaliti ye-ABS zidweliswe apha:

1. Iindleko eziphezulu zokuSebenza kunye namaxesha aPhambili awandisiweyo okuSeta

Ukubumba i-Shot kufuna isimbo kunye nokuveliswa kwesikhunta esineendleko kunye nexesha lemveliso liphakamisa ngokuntsonkotha kwecandelo. Ngokunjalo, utyalo-mali lokuqala lwezemali ekubumbeni ukudubula luphezulu, kwaye ixabiso kufuneka liqwalaselwe xa lithelekiswa nemiyinge yemveliso elindelekileyo. Imiyinge yokwenziwa kwemveliso esezantsi ayinakwenzeka ngokwezoqoqosho.

2. Imida yoyilo oluyinxenye

Uyilo lwecandelo elakhiweyo lisikelwe umda yingqokelela yemithetho ethe yaphuhliswa ngobuchule ukuze kuphuculwe umgangatho wenxalenye eyakhiweyo kunye nokungaguquguquki. Le migaqo ichaza ukulinganiselwa kodonga, indawo yokuphucula iimpawu ezifana neembambo, kunye nendawo efanelekileyo yokuvula kunye nobukhulu. Ke ngoko, izitayile kufuneka zenziwe ukuba zihambelane nale migaqo-nkqubo ukuqinisekisa iziphumo ezifanelekileyo. Kwezinye iimeko, ezi zikhokelo zinokuqinisekisa ukuba izitayela azinakwenzeka.

3. Amacandelo eMicimbi eNcinane enexabiso liLithuba

Ngenxa yexabiso eliphezulu lotyalo-mali lwemali yokuqala xa kusenziwa isitofu, kukho ubuncinci bobungakanani benxalenye ekufuneka yaphulwe kumaxabiso asetyenzisiweyo kuyilo kunye nokwenziwa kwesixokelelwano. Le ndawo yokuphumla ikwaxhomekeke kwixabiso elichongiweyo lokuthengisa lemveliso yokugqibela. Ukuba ixabiso lentengiso liphezulu– ngenxa yecandelo elisetyenziselwe usetyenziso olukhethekileyo- kuyenzeka ukuba kwenziwe izinto ezincinci. Nangona kunjalo, amacandelo angabizi kakhulu abiza amanani aphezulu kwi-10s yamawaka ukuba afikeleleke.

Ezinye iiNgxaki eziqhelekileyo kwi-ABS Shot Molding

• Ukutyeba: Ngokungafaniyo nezinye iiplastiki ezininzi ze-amorphous, i-viscosity ye-ABS iyenyuka xa ishushu ngaphezu kobushushu bayo beplastiki. Oku kwanda kobungqimba kuthetha ukuba inqanaba lobushushu lokunyibilika kwezihlunu zesisu kufuneka ligcinwe okanye lingaphantsi kweli nqanaba lobushushu leziphumo ezifanelekileyo njengoko i-viscosity eyandisiweyo iya kwenza kube nzima ukubumba kunye nokungunda izinto ezinodonga olubhityileyo.
• Ukuthotywa kweThermal: Ngaphandle kokunyuka okungafunekiyo kobungqingqwa kunye nobushushu obunyusiweyo, i-ABS ihlala ithande ukuba buthathaka ngokwekhemikhali ukuba igcinwe kumaqondo obushushu ngaphezulu kwenqanaba lobushushu leplastikhi.
• Ukugoba: Ukugoba kwenzeka xa iplastiki yesisu iphola ngokungaqhelekanga, okukhokelela ekugqwetheni. Ukuguquguquka kunokuthintelwa ngokusebenzisa ukungunda kunye nokungunda ngothungelwano lwemeko yomoya olunezithuba ezifanayo. Ukukhupha iinxalenye kubungundi kunye nokungunda ngaphambi kokuba zikwazi ukuphola ngokupheleleyo nako kunokukhokelela ekujikeni.
• Amanqaku eSink: Amanqaku e-sink angenzeka xa iplastiki yesihlunu sesisu iyancipha ngokungafaniyo ngexesha lokupholisa, idala iindawo ezitshoneyo kumphezulu wecandelo. Ezinye izinto ezinokuthi zibe ngunobangela woxinzelelo olungonelanga lwenaliti okanye iqondo lobushushu eligqithisileyo. Amanqaku e-sink anokumiswa ngokusebenzisa isikhunta esinoxinzelelo oluphezulu lwesango, ukudala inxalenye eneendonga zangaphandle ezihambelanayo, kunye nokunciphisa iimbambo zokuqinisa ngaphakathi ukuya malunga ne-50% yoxinaniso lweendonga zangaphandle.

Imveliso eSetyenziselwe ukuBunjwa kwesitofu

Isitofu sokubumba sinokusetyenziswa malunga nalo naluphi na uhlobopolycarbonate. I-Thermoplastics inokugcwala izongezo ezomelezayo njengeglasi okanye iifayibha zekhabhoni. Izinyithi zinokongezwa ukuba zihlanganiswe kunye nempahla yokuzalisa iplastiki ukwenza ukuba umgubo wentsimbi uphume kubumba. Nangona kunjalo, i-sintering eyongezelelweyo iyafuneka ekubumbeni inaliti yentsimbi.