Umatshini ekubumbeni ngumatshini processing zeplastiki. Emva kokuba ulwelo lweplastiki lutshiziwe, umoya ovuthuzwa ngumatshini usetyenziselwa ukuvuthela umzimba weplastikhi ubume obuthile bomngundo wokwenza imveliso. Olu hlobo lomatshini lubizwa ngokuba ngumatshini wokubumba. Iplastikhi iyanyibilika kwaye ikhutshiwe ngobuninzi kwiscrew extruder, emva koko yenziwa ngefilimu yomlomo, emva koko ipholile ngomsesane womoya, emva koko itrektara itsalwa ngesantya esithile, kwaye i-winder iyisongele ibe ngumqolo.
I-alias: Umatshini wokubumba ovaliweyo
Igama lesiNgesi: ukubumbela
Ukubetha ukubetha, okwaziwa nangokuthi ukubumba okuvuthayo, kuyindlela ekhulayo yokukhawulezisa iplastiki. Iparison yeplastiki yeplabhulikhi efunyenwe kukuqengqeleka okanye ngenaliti yokubumba i-resin ye-thermoplastic ibekwe kwisikhunta esahluliweyo ngelixa kushushu (okanye shushu kwimo ethambileyo). Emva kokuvalwa kwesikhunta, umoya oxinanisiweyo utofelwe kwiparison ukuvuthela iplastikhi Iyanda kwaye inamathele kudonga lwangaphakathi lwesikhunta, kwaye emva kokupholisa nokudiliza, kufunyanwa iimveliso ezahlukeneyo. Inkqubo yokuveliswa kwefilimu evuthelweyo iyafana kakhulu kumgaqo wokuvuthela ukubumbela iimveliso ezingenanto, kodwa ayisebenzisi ngumngundo. Ukusuka kwimbono yokuhlelwa kwetekhnoloji yeplastiki, inkqubo yokubumba yefilimu evuthelweyo ihlala ifakiwe kwi-extrusion. Inkqubo yokubumba yayisetyenziselwa ukuvelisa iingqayi ze-polyethylene ezisezantsi ngexesha leMfazwe yesibini (II) yeHlabathi. Ngasekupheleni kweminyaka yama-1950, ngokuzalwa kwe-polyethylene ephezulu kunye nophuhliso loomatshini bokubumba, iteknoloji yokubumba yayisetyenziswa kakhulu. Umthamo wesikhongozeli esingenanto unokufikelela kumawaka eelitha, kwaye imveliso ethile yamkele ulawulo lwekhompyuter. Iiplastikhi ezifanelekileyo ekubumbeni ngesibetho kubandakanya i-polyethylene, i-polyvinyl chloride, i-polypropylene, i-polyester, njl njl.
Ngokwendlela yemveliso yeparison, ukubumba okuqhekezayo kunokwahlulwa kube ngumngundo we-extrusion kunye nenaliti yokubumba. Isanda kuphuhliswa ekubunjweni kwamanqwanqwa amaninzi kunye nokubumba ukubetha.
Ukugcina amandla
Ukonga umbane kumatshini wokubumba ovuthayo kunokwahlulwa kubini: enye yinxalenye yamandla kwaye enye yinxalenye yokufudumeza.
Ukonga umbane kwinxalenye yamandla: Uninzi lweziguquli zisetyenzisiwe. Indlela yokonga umbane kukonga intsalela yamandla eemoto. Umzekelo, amandla okwenene emoto yi-50Hz, kwaye ufuna kuphela i-30Hz kwimveliso ukuze yanele imveliso, kwaye ukusetyenziswa kwamandla okugqithisileyo kulilize Ukuba kuyachitheka, inverter kukutshintsha amandla okuphuma Imoto ukufezekisa amandla okonga umbane.
Ukonga umbane kwinxalenye yokufudumeza: Uninzi lokonga umbane kwinxalenye yokufudumeza kukusetyenziswa kwezifudumezi zombane, kwaye inqanaba lokonga umbane limalunga ne-30% -70% yekhoyili endala yokumelana namandla.
1. Xa kuthelekiswa nokufudumeza ukuxhathisa, i-heater ye-electromagnetic has a extra layer of insulation, eyonyusa izinga lokusetyenziswa kwamandla obushushu.
2. Xa kuthelekiswa nokufudumeza ukuxhathisa, isifudumezi-mbane esisebenza ngombane ngokuthe ngqo sisebenza kwityhubhu yezinto ukufudumeza, ukunciphisa ukulahleka kobushushu kokudluliswa kobushushu.
3. Xa kuthelekiswa nokufudumeza ukumelana, isantya sokufudumeza isifudumezi-mbane esingaphezulu kwesinye kwisine ngokukhawuleza, nto leyo enciphisa ixesha lokufudumeza.
4. Xa kuthelekiswa nokufudumeza ukumelana, isantya sokufudumeza isifudumezi-mbane sikhawulezisa, kwaye ukusebenza kwemveliso kuyaphuculwa. Imoto ikwisimo esigcweleyo, esinciphisa ilahleko yamandla ebangelwa ngamandla aphezulu kunye nemfuno ephantsi.
La manqaku mane angentla zizizathu zokuba iFeiru ye-electromagnetic heater ingonga amandla ukuya kuthi ga kwi-30% -70% kumatshini wokubumba wokubetha.
Ulwahlulo lomatshini
Oomatshini bokubumba abazahlulwa ngokwamacandelo amathathu: oomatshini bokubumba i-extrusion, oomatshini bokubumba inaliti kunye nolwakhiwo olukhethekileyo loomatshini bokubumba. Ukolula oomatshini bokubumba abanokubakho kwezi ndidi zingasentla. Umatshini wokubumba wokubumba ngumdibaniso wokudibanisa, ukubumba umatshini wokubumba kunye nendlela yokubumba yokubumba, equlathe i-extruder, i-parison die, isixhobo sokunyuka kwamaxabiso, indlela yokubumba yokubumba, inkqubo yokulawula ubukhulu be-parison kunye nendlela yokuhambisa. Ukufa kweparison lelinye lezinto ezibalulekileyo ezichonga umgangatho weemveliso ezibunjiweyo. Kuhlala kukho ukutya okusecaleni kwaye ukutya okuphakathi kuyafa. Xa iimveliso ezinkulu zibunjiweyo, uhlobo lwesilinda lokugcina luhlala lusetyenziswa. Itanki yokugcina inomthamo omncinci we-1kg kunye nomthamo omkhulu we-240kg. Isixhobo solawulo lobukhulu beparison sisetyenziselwa ukulawula ubukhulu bodonga lweparison. Amanqaku olawulo anokufikelela kumanqaku ayi-128, ngokubanzi amanqaku angama-20 ukuya kuma-30. Umatshini wokubumbela wokugubungela i-extrusion unokuvelisa iimveliso ezingenanto kunye nomthamo osusela kwi-2.5ml ukuya kwi-104l.
Inaliti machine igalelo yokubumba yindibaniselwano umatshini ziphene yokubumba kunye nendlela igalelo yokubumba, kubandakanya indlela plasticizing, inkqubo kubunzulu baphantsi komhlaba, ukulawula izixhobo zombane kunye namanye amalungu ngoomatshini. Iindidi eziqhelekileyo zizitishi ezintathu zokubumba umatshini wokubumba kunye nesitishi sezitishi ezine zomatshini wokubumba. Umatshini wezikhululo ezintathu unezikhululo ezintathu: parison esele ikhethiwe, ukunyuka kwamaxabiso kunye nokonakalisa, isikhululo ngasinye sahlulwe yi-120 °. Umatshini wesikhululo esine unesikhululo esinye sokwakha ngaphambili, isikhululo ngasinye ngama-90 ° ngokwahlukana. Ukongeza, kukho isitya esiphindwe kabini kwisitya sokubumba umatshini nge-180 ° ukwahlukana phakathi kwezitishi. Isikhongozeli seplastiki esiveliswe ngumatshini wenaliti yokubumba ngenaliti sinemilinganiselo echanekileyo kwaye ayifuni ukuqhubekeka okwesibini, kodwa iindleko zokungunda ziphezulu kakhulu.
Ulwakhiwo olukhethekileyo kumatshini wokubumba ngumatshini wokubumba osebenzisa amashiti, izinto ezincibilikiweyo kunye nezikhewu ezibandayo njengeziporho zokuvuthela imizimba yokubumba kunye nemilo ekhethekileyo kunye nokusetyenziswa. Ngenxa yeemilo ezahlukeneyo kunye neemfuno zeemveliso ezivelisiweyo, ubume bomatshini wokubumba wokubetha nawo wahlukile.
Iimpawu kunye nezibonelelo
1. Isikulufu esisezantsi shaft nesilinda zenziwe nge-38CrMoAlA chromium, molybdenum, aluminium alloy ngonyango lwe-nitrogen, enezinto eziluncedo ngobukhulu obuphezulu, ukuxhathisa umhlwa kunye nokunxiba ukuxhathisa.
2. Intloko yokufa ine-chrome-plated, kwaye ulwakhiwo lwe-screw screw lwenza ukukhutshwa ngakumbi nangakumbi kwaye kugudile, kwaye kugqibe ngcono ifilimu evuthelweyo. Ubume obuntsonkothileyo bomatshini wokuvuthela ifilimu benza ukuba imveliso yegesi ifane ngakumbi. Iyunithi yokunyusa yamkela isakhelo seqonga lesikwere, kwaye ukuphakama kwesakhelo sokuphakamisa kunokuhlengahlengiswa ngokuzenzekelayo ngokweemfuno ezahlukeneyo zobugcisa.
3. Isixhobo sokukhuphela sisebenzisa izixhobo ezijikelezayo zokujikeleza kunye nezixhobo ezijikelezayo, kwaye samkela imoto ye-torque ukulungelelanisa ukuhambisa kwefilimu, ekulula ukuyisebenzisa.
Umgaqo wokuSebenza / Isishwankathelo esifutshane:
Kwinkqubo yemveliso yefilimu, ukufana kobungqingqwa befilimu sisalathiso esiphambili. Ukufana kobukhulu be-longitudinal kunokulawulwa kukuzinza kwesantya kunye nesantya sokuhamba, ngelixa ukufana kobunqamle befilimu ngokubanzi kuxhomekeke kwimveliso echanekileyo yokufa. , Kwaye utshintshe notshintsho lweenkqubo zemveliso. Ukuphucula ukufana kwefilimu kwicala elinqamlezayo, kufuneka kwenziwe inkqubo yolawulo lokujiya oluzenzekelayo. Iindlela eziqhelekileyo zokulawula zibandakanya intloko yokufa ezenzekelayo (ulawulo lokususa ubushushu) kunye nomoya ozenzekelayo. Apha ikakhulu singenisa umgaqo womoya ozenzekelayo kunye nesicelo.
Esisiseko
Ubume bendandatho yomoya ezenzekelayo yamkela indlela yokuphuma yomoya ephindwe kabini, apho umthamo womoya weplaji yomoya esezantsi ugcinwa rhoqo, kwaye indawo ephezulu yomoya yahlulwe yaziindawo ezininzi zomoya. Indlela nganye yomoya yenziwe ngamagumbi omoya, iivelufa, iinjini, njl.njl. Imoto iqhuba ivalve ukuze ilungelelanise ukuvulwa kombhobho womoya Lawula ivolumu yomoya yendlela nganye.
Ngexesha lenkqubo yolawulo, umqondiso wokuqina kwefilimu obhaqwe ngophenyo lokulinganisa ubukhulu uthunyelwa kwikhompyuter. Ikhompyuter ithelekisa umqondiso wobungqongqo kunye nobukhulu be-avareji yeseti yangoku, yenza ukubala kususelwa kuphambuko lobukhulu kunye notshintsho lwejika, kunye nokulawula imoto ukuqhuba ivalve ukuba ihambe. Xa ibhityile, imoto iya phambili kwaye i-tuyere iyavalwa; ngokuchaseneyo, iimoto zihamba kwicala eliphambeneyo, kwaye i-tuyere iyanda. Ngokutshintsha ivolumu yomoya kwindawo nganye kwisangqa sesangqa somoya, lungelelanisa isantya sokupholisa kwindawo nganye ukulawula ukuphambuka komda wefilimu kuluhlu ekujoliswe kulo.
Isicwangciso solawulo
Isangqa somoya esizenzekelayo yinkqubo yolawulo lwexesha lokwenyani kwi-intanethi. Izinto ezilawulwayo zenkqubo ziinjini ezininzi ezisasazwa kwisangqa somoya. Ukuhamba komoya okupholileyo okuthunyelwa ngumlandeli kuhanjiswa kwindawo nganye yomoya emva koxinzelelo rhoqo kwigumbi lomoya. Imoto iqhuba ivalve ukuba ivule kwaye isondele ukuze ilungelelanise ubungakanani be-tuyere kunye nevolumu yomoya, kwaye utshintshe isiphumo sokupholisa ifilimu engenanto xa kukhutshwa idisk. Ukulawula ubukhulu befilimu, ngokwembono yenkqubo yolawulo, akukho buhlobo bucacileyo phakathi kotshintsho lobukhulu befilimu kunye nexabiso lolawulo lweemoto. Ubukhulu befilimu kunye nendawo yevalve yenguqu yevalve kunye nexabiso lolawulo azihambelani kwaye azifani. Ngalo lonke ixesha i-valve ihlengahlengiswa Ixesha linempembelelo enkulu kumanqaku angabamelwane, kwaye uhlengahlengiso lune-hysteresis, ukuze amaxesha ahlukeneyo ahambelana. Olu hlobo lwe-nonlinear, ukudibanisa okunamandla, ukwahluka kwexesha kunye nokulawula inkqubo engaqinisekanga, imodeli yayo ethe ngqo yemathematics phantse ayinakuyilwa, nokuba ngaba imodeli yemathematics inokusekwa, inzima kakhulu kwaye kunzima ukuyisombulula, ukuze ingabinayo Ixabiso elifanelekileyo. Ulawulo lwesiNtu lunefuthe elingcono lolawulo kwimodeli yokulawula ethe ngqo, kodwa inefuthe elibi lokulawula ukungahambelani okuphezulu, ukungaqiniseki, kunye nolwazi olunzima lwengxelo. Nokuba ungenamandla. Ukujonga oku, sikhethe i-fuzzy control algorithm. Kwangelo xesha, indlela yokutshintsha imeko ye-fuzzy ye-quantization yamkelwe ukuze ikwazi ukuziqhelanisa notshintsho lweeparameter zenkqubo.
