Khadka mashiinka xaashida EVA

EVA (etylene vinyl acetate copolymer) xaashida waa badeecad caag ah oo aad u caadi ah, oo si ballaaran loo isticmaalo meelo kala duwan sida qalabka kabaha, boorsooyinka, qalabka isboortiga, alaabta lagu ciyaaro, baakadaha barkinta alaabta elektarooniga ah, sagxadaha sagxadda, filimada dhejiska kulul, iwm sababtoo ah jilicsanaantiisa, dabacsanaanta, daahfurnaanta, xasiloonida kiimikada, iyo waxqabadka wanaagsan.

Habka ugu muhiimsan ee soo saarista xaashida EVA waa qaabaynta extrusion, iyo qalabka u dhigma waa khadka soo saarista xaashida EVA. Khadka wax-soo-saarkani wuxuu la mid yahay xariiqda xaashida PP / PE ee hore loo sheegay, laakiin sababtoo ah sifooyinka walxaha EVA (inta badan jilicsanaanta, dabacsanaanta wanaagsan, iyo suurtogalnimada xumbo), qalabku wuxuu kaloo leeyahay sifooyin gaar ah.

Khadka mashiinka xaashida EVA oo dhamaystiran wuxuu ka kooban yahay qaybaha soo socda:

1. Nidaamka farsamaynta alaabta ceeriin

Shaqada: Alaabta ceeriin EVA waxay u badan tahay qaab granular ah. Haddii la soo saarayo xaashida EVA xumbo leh, waa lagama maarmaan in lagu daro walxaha xumbo-samaynta (sida wakiilada xumbo-samaynta AC) iyo waxyaabo kale oo lagu daro (wakiilada isku-tallaabta, saliidaha, iwm.).

Qalabka:

· Mashiinka quudinta tooska ah: Ka soo qaad walxaha EVA ee silooga una gudbiya hopper-ka.

Habka quudinta cabbirka: Kani waa qalab muhiim u ah soo saarista xaashida xumbo. Sida caadiga ah, miisaanka cabbiraadda miisaanka oo yaraada waxaa loo isticmaalaa in si sax ah oo joogto ah isku daraan qaybaha EVA, wakiilka xumbo Masterbatch, colorants, iwm in saamiga iyo iyaga ku quudiyaan extruder ah si loo hubiyo in xasiloonida buuxda ee ratio formula, taas oo shardi u ah helitaanka tayada xumbo uniform.

2. Extruder

Shaqada: dhalaali, balaastig, oo si siman u walaaq alaabta ceeriin EVA. Waraaqaha xumbada, sidoo kale waa lagama maarmaan in si siman loo kala firdhiyo wakiilka xumbo ee dhalaalka.

Nooca:

Soo saarista furaha kaliya: ku habboon soo saarista xaashida EVA ee caadiga ah ee aan xumbo lahayn ama xumbo jabinaysa, oo leh qaab dhismeed fudud iyo qiimo jaban.

Barbarro iyo mataano isku wareeg ah{0}}screw extruder: doorasho caadi ah oo hufan. Saameynteeda isku dhafka ah waa mid aad u fiican, taas oo si fiican u kala firdhi karta wakiilada xumbo-samaynta iyo midabada, hubinta heerkulka dhalaalka isku midka ah, oo soo saara tayada xaashida oo xasilloon. Gaar ahaan ku habboon buuxinta sare iyo xumboynta alaabta EVA.

3. Beddelka shabakada

·Shaqaynta: Kala shaandhaynta wasakhda iyo walxaha aan balaastik ahayn ee dhalaalka, ka hortagga caaryada xannibaadda, oo hubi nadiifnimada alaabta iyo tayada dusha sare. Caadi ahaan, waa beddeliyaha shaashad otomaatig ah oo biyo ah oo beddeli kara shaashadda shaandhada iyada oo aan la joojin mashiinka, hubinta wax soo saarka joogtada ah.

4. Caaryada

· Shaqada: U qaabee balaastii la dhalaaliyay ee balaadhka iyo dhumucda la rabo.

Nooca: Inta badan iyadoo la isticmaalayo hanger nooca madaxa dhinta flat, naqshadeeda kanaalka qulqulka ayaa hubin kara in walxaha dhalaalay ay si siman ugu qaybsan yihiin ballaca oo dhan, si ay u helaan xaashiyo leh dhumuc joogto ah.

· Astaamaha: bushimaha caaryada ahi waxay inta badan la timaadaa ganaax{0}}qalab hagaajin kara oo si fiican u hagaajin kara farqiga meelo kala duwan si loo xakameeyo dulqaadka dhumucda xaashida.

5. Saddex rodol oo duub ah

Shaqada: Kani waa qalabka qaabaynta xudunta u ah soo saarista xaashida EVA.

Qaboojinta iyo qaabaynta: Sarreeysa - kulaylka dhalaalka ah ee ka soo baxaya caaryada ayaa isla markiiba la geliyaa farqiga u dhexeeya saddexda rolal, si degdeg ah u qaboojiya biyaha qaboojiyaha gudaha rollers, oo la adkeeyey oo qaabeeyey.

Go'aami dhumucda iyo saamaynta dusha sare: Dhumucda ugu dambeysa iyo dhalaalka dusha sare (gloss ama matte) ee xaashida waxaa lagu go'aamiyaa farqiga u dhexeeya saddexda rolalley iyo simannaanta dusha sare ee rollers.

· Astaamaha: Saddexda rollers waxay si madax-bannaan u hagaajin karaan xawaaraha iyo heerkulka si ay u buuxiyaan shuruudaha nidaamka kala duwan.

6. Unugga jiidashada

Shaqada: Si tartiib ah ugu hag xaashida la qaboojiyey ee qaabaysan dhanka aaladda dabaysha.

· Halabuurka: Caadi ahaan waxa uu ka kooban yahay hal ama dhowr lammaane oo caag ah ama roller silikoon ah, taasoo bixisa jiid jiid isku mid ah oo ka hortagaya qallafsanaanta fidsan.

7. Qalabka lagu ogaanayo khadka (ikhtiyaar laakiin muhiim ah)

Shaadhka beta ama cabbiraadda dhumucda infrared: Sawirka wakhtiga dhabta ah iyo soo bandhigida qalooca dhumucda leexinta xaashida ee qaybta jiidista, waxayna ka jawaabi kartaa xogta nidaamka habaynta dibnaha tooska ah ee caaryada si loo gaadho xakamaynta dhumucda tooska ah (ATC), oo si weyn u hagaajinaysa joogteynta tayada.

8. Winder

Shaqada: U rogo xaashida qaab duuban. Jilicsanaanta xaashida EVA awgeed, xakamaynta xiisadda dabaylaha ayaa muhiim ah.

Nooca:

· Mashiinka dabaysha dhexe: dabaysha iyada oo u kaxaysa xudunta si uu u wareego, oo ku habboon tilmaamo kala duwan.

· Mashiinka dabaysha oogada: Waxa uu kaxeeyaa dusha sare ee gariiradda si uu ugu wareego is jiid jiid, kaas oo aad ugu habboon walxaha jilicsan oo si fudud u qalloocan oo si fiican u ilaalin kara qaabka nadiifsan ee gariiradda. Waa habka dabaysha oo caadi ahaan loo isticmaalo xaashida EVA.

Qalabka sare{0}} waxa ku qalabaysan laba isteeshin rotary rewinder, kaas oo bedeli kara giraangiraha iyada oo aan la joojin mishiinka, si toos ah u gaara wax soo saar joogto ah.

9. Nidaamka xakamaynta korantada

Shaqada: 'maskaxda' ee khadka wax soo saarka. Qaadashada kontoroolka PLC iyo shaashadda taabashada isku dhafan, dhammaan cabbirada nidaamka sida heerkulka, xawaaraha isbedbeddelka, xawaaraha rullaluistuadka, jiidashada iyo dabaylaha ee qayb kasta si sax ah ayaa loo dejin karaa loona xakameyn karaa.

EVA particles+foam masterbatch+colorant ->weight loss metering feeding system ->twin-screw extruder (melting, mixing, foaming agent decomposition) ->screen changer (filtering impurities) ->hanger mold (forming) ->three roll calender (cooling, shaping, calendering) ->traction machine ->thickness gauge (online detection) ->winding machine (rolling) ->xaashida Eva oo dhammaatay

Xumbaynta sifada Qalabka xaashida EVA ee caadiga ah

Nidaamka alaabta ceeriin waa in lagu qalabeeyaa - cabbirada cabbiraadda miisaanka luminta saxda ah si loogu daro walxaha xumbo-samaynta. Mashiinka quudinta caadiga ah wuxuu buuxin karaa shuruudaha.

Dibuxiyuhu waxa uu leeyahay shuruudo aad u saraysa oo loogu talagalay isku darka iyo kala firdhinta kaabadaha, iyo mataanaha{0}} furayaasha furaha ayaa la door bidaa. Kaashashka keliga ah ama furaha mataanaha ayaa la isticmaali karaa.

Xakamaynta nidaamku waxay u baahan tahay saxnaan dheeraad ah. Xakamaynta heerkulku waxay si toos ah u saamaysaa saamiga xumbo iyo qaab dhismeedka unugyada. Marka la eego fudud.

Qaab dhismeedka caaryada ayaa la mid ah, laakiin nashqadaynta waxay u baahan tahay inay tixgeliso dareeraha dhalaalka oo ay ku jiraan wakiilka xumbo. Qaabka caadiga ah ee caaryada madaxa.

Qalabka soo socda, saddexda caleenta duubka, ayaa muhiim u ah xakamaynta dhumucda iyo dusha xaashida xumbo. Saddex duub duub ayaa sidoo kale loo baahan yahay.

1. Meelaynta badeecada: cadee in wax soo saarka ugu weyn uu yahay xumbo ama go'yaal aan xumbo ahayn? Waa maxay saamiga xumbayntu? Tani waxay si toos ah u go'aaminaysaa xulashada kuwa extruders iyo hababka quudinta.

2. Qeexitaannada alaabta: Ballaca wax soo saarka ugu badan (sida 1000mm, 1300mm, 1500mm, iwm) iyo dhumucdiisuna (sida caadiga ah 0.5mm-10mm).

3. Heerka Automation-ka: Ma u baahan tahay quudin cabbiraad toos ah, beddelka shaashadda, jawaab celinta cabbirka dhumucda tooska ah (ATC), iyo dabaylo toos ah? Kuwani waxay si weyn u wanaajin karaan tayada badeecada iyo xasilloonida, laakiin sidoo kale waxay kordhin karaan kharashyada.

4. Shuruudaha wax soo saarka: Go'aami xajmiga qaabka extruder (dhexroorka qulqulka).

5. Xulashada alaab-qeybiyaha: Habaynta EVA waxay u baahan tahay khibrad heer sare ah. Alaab-qeybiyeyaasha leh tignoolajiyada geeddi-socodka qaan-gaadhka ah, oo awood u leh inay bixiyaan hagitaan qaacido, rakibid iyo hawlgelin, iyo tababbarka habka waa in la doortaa.

Soo koobid: Qalabka xaashida EVA waa khad soo saarid farsamo ahaan bislaaday, laakiin qaabaynteedu aad ayay u kala duwanaan kartaa iyadoo ku xidhan wax soo saarka xumbo ama aan xumbo lahayn. Xuddunta waxay ku jirtaa gaadiidka saamiga alaabta ceeriin ee saxda ah, dhalaalid wax ku ool ah, qaboojin sax ah, iyo dabayl deggan. Kahor intaadan maalgelin, waxaa lama huraan ah inaad si buuxda ula xiriirto shuruudaha alaabtaada alaab-qeybiyaha.

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