samfurori

Yadda Ake Haɗa Maɗaukaki marasa Rauni?

A halin yanzu akwai nau'ikan manne marasa ƙarfi iri biyu don sassauƙan marufi masu sassauƙa, guda ɗaya da abubuwa biyu.Bangaren guda ɗaya ana amfani dashi ne don takarda da marasa saƙa, waɗanda za'a iya sarrafa su ba tare da haɗawa ba kuma ba tare da daidaitawa ba.Ana iya amfani da abubuwa biyu don fim ɗin marufi iri-iri.Dangane da gogewar sirri, wannan shafin zai bayyana yadda ake canza rabon abubuwa biyu don dalilai daban-daban da yadda yake aiki.

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Da fari dai, da hadawa rabo manufa na kaushi-free laminated binders an tsara.

Akwai abubuwa uku zuwa ga tsarin cakuda ƙasa na mannen laminating mara ƙarfi:

1. Gwada daidaita ma'aunin cakude na abubuwan A & B zuwa nauyi.

A / B's m rabon hadawa yana da fa'idar kasancewar nauyi ɗaya.Misali, X shine 100A gauraye da 90B, Y shine 100A da 50B.Canjin 1% na B zai haifar da 1.1% canjin nauyi na A bangaren X da 2% na Y. Gabaɗaya, ana karɓar 2% canji a cikin rabon hadawa yayin aikin samarwa, yana haifar da canjin nauyi na 2. 2 % da 4%.Idan nauyinsu ya bambanta sosai, wannan na iya haifar da rashin daidaituwa masu zuwa:

(1) Abubuwan A / B suna da wahalar haɗuwa sosai don cakuda ya zama ɗanɗano ba bisa ka'ida ba.

(2) Saboda rashi na B, matsa lamba na mahautsini ya yi ƙasa sosai don tabbatar da kwararar ruwa na yau da kullum, wanda ke haifar da ɓatawar adhesives da raguwar samarwa.

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2. Kamar yadda zai yiwu ga danko na abubuwan A & B

Ƙananan danko na bangaren A & B a daidai zafin jiki, mafi kyawun tasirin haɗuwa.Yin la'akari da aikin mai ɗaure, ainihin danko na duka abubuwan da aka gyara ya bambanta sosai.Ya kamata a sarrafa zafin jiki daban don daidaita ƙimar danko.Ƙara yawan zafin jiki na ɓangaren asali tare da mafi girman danko yana sa shi kusa da ɗayan ɓangaren, kuma yana da amfani ga duka na'ura mai haɗawa da na'urar fitarwa.

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3. Ƙara juriya na cakuda A & B

Saboda wasu abubuwan waje a cikin laminating, dole ne a sami wasu sabani a cikin rabon hadawa.Fadada juriyar haɗin haɗin haɗin A / B na iya rama mummunan tasirin wannan karkacewar.Alal misali, na kowa sauran ƙarfi free m WD8118A / B na sabon abu jeri daga wani al'ada saje na 100: 75 zuwa cakuda 100: 60 - 85, dukansu su ne m a cikin amfani da da yawa abokan ciniki samu da kyau.

Abu na biyu, ka'ida da hanyar haɗawa rabo daidaitawa

(1) Daidaita don yanayin zafi da zafi

Gabaɗaya, abun ciki na NCO a cikin sashin A ya fi girma, yayin da martani tare da iska da tururi a cikin fim ɗin a hagu.Duk da haka, a lokacin watanni na rani, lokacin da akwai karin tururi a cikin iska kuma fim din yana da yawan danshi, ya kamata a ƙara sashi A don cinye tururi mai yawa, wanda zai sauƙaƙe amsawar da ta dace na manne.

(2) Daidaita don kayan tawada da ragowar sauran ƙarfi

Mafi m marufi da aka buga fim, da gida bugu tsari ne tare da ƙarfi tawada gravure bugu.A cikin tawada tushen ƙarfi azaman ƙari za a sami diluent da retarder, duka biyun tsarin guduro ne na polyurethane, a cikin m tare da amsawar NCO na iya cinye wasu NCO.

Mun damu da tsabta da danshi abun ciki na ragowar sauran ƙarfi.Za su kasance fiye ko žasa akan bugu, kuma ragowar hydrogen mai aiki zai cinye wasu NCO.Idan ragowar sirara da na baya sun fi girma, za mu iya ƙara bangaren A don inganta sakamako.

(3) Daidaita don canja wurin aluminum

Yawancin kayan marufi masu sassauƙa yanzu suna aluminized, kuma ana iya rage tasirin damuwa akan rufin ta hanyar daidaita daidaitattun abubuwan haɗin A / B don tausasa su, gabaɗaya yana haɓaka ɓangaren B daidai da rage canjin jihar na aluminum ta hanyar adhesives. .

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Lokacin aikawa: Afrilu-22-2021