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Okuthembekile kanjani glue amalunga omzimba?

Field kwesicelo kokokunamathisela is nhlobonhlobo, it is asetshenziswa ekukhiqizeni izinto, ukwakhiwa, ukulungisa kanye yokumodela. compounds Yesigcilikisha asetshenziswa inqubo emhlanganweni at the stage of ukufakwa izakhiwo kanye izinto. Isinamathiseli ezivamile obusetshenziswa embonini iphepha nezinkuni ukucubungula.

Kuyo yonke yayo umlando, anamathelayo kanye Izingxube ukushintshwa. Ngosizo lwezobuchwepheshe banamuhla bavele anamathelayo esekelwe zokwenziwa inhlaka uyakwazi glue izinto futhi kunoma iyiphi indawo. anamathelayo Zokwenziwa babe kuyaqina okusezingeni eliphezulu, ungangenisi amanzi kanye ukubekwa uphawu compounds kanye nokuqinisekisa ukuphila kwabo isikhathi eside. Isibonelo ukusetshenziswa ngempumelelo zokwenziwa anamathelayo kungase kubhekwe njengokwelapha ukuhlangana PVC ipayipi nge ingcina kunenze nisondelane noma ukusetshenziswa Izingxube zokwenziwa ingcina iyokhandwa futhi ukulungiswa amathuluzi (nge glue ukulungiswa amajoka Lithatha evele kanye ezivalekile).

Inzuzo main nokwethenjelwa eliphezulu ingcina uxhumano izingxenye ezihlukahlukene kanye evele, kufezwa singanyakazi ngokungadingekile phezu timphawu tesakhiwo (imishini, ipuleti, Welding).

Iyini i-glue glue amalunga omzimba?

I ingcina inhlanganisela noma ukwakheka multi-ingxenye isetshenziselwa ukuxhuma izakhi ezihlukahlukene constructional futhi izinto. Yesigcilikisha kwakwakhe unreleasable, kwakheka isibopho eliqinile le is nge evele elihlangana ungqimba ingcina. Nokuthobela zihlukile kwengoma. I izingoma yakhiwa polymers organic wezinto ezingaphili. Ngesisekelo Ukwakheka ingcina libhekwa:

  • hot sokwelapha polymers;
  • abandayo sokwelapha polymers;
  • ukufudumeza polymers ukumelana;
  • thermosetting futhi Thermoplastic polymers;
  • polymers asetshenziswe evamile lokushisa ububanzi.

Ukuthuthukiswa ubuchwepheshe ukukhiqizwa futhi polymer-chemistry banikezwa amandla ukudala izingoma ukuthi ahlinzeke eqinile izibopho ingcina izinto kabani evele kungukuthi ngaphambilini yathela elihlangana okuqinile metal, Ceramic noma ingilazi. Ngaphezu kwalokho base polymer lichaza ekwakheni ingcina zihlanganisa izithasiselo ehlukahlukene ukuze udlulisele sezindawo wayefisa interlayer ingcina nezici (ukushisa ukumelana, umswakama ukumelana, namandla, ductility, nokunye. D.). ekhethekile injongo izithasiselo okungenzeka kube: ejenti elapha, izihlanzi, colorants, plasticizers, nezinye fillers.

izici qualitative izakhiwo ingcina zezakhi zincike kukhethwa ingcina futhi esiqinile ukunamathela kunenze nisondelane ubuchwepheshe.

Clay: izimo ekutholeni ukukhetha

Lapho ekhetha indima enkulu ingcina eyadlalwa izakhiwo kanye nezici izinto senzelwe kunenze nisondelane, izimo yomsebenzi (umswakama, izinga lokushisa), impilo elilinganisiwe isibopho ingcina futhi umthwalo kuso. Uma ukhetha i-ingcina kufanele sinake izindleko ongakhetha ukukhucululwa kwendle, flammability. Isici esivelele sesimiso uxhumano ingcina ukuwohloka kwezimiso adhesion ne kwesikhath kwesikhathi, ngakho-ke, phakathi nayo yonke inkathi wokusebenza wabhubhisa isibopho ingcina.

Ukwehla interlayer amandla ingcina nakalula kungenxa umthelela lokushisa ekushintshashintsheni, umswakama, kanye nezinye izimo. Ngakho, ngaphambi kunenze nisondelane isakhiwo isakhiwo, indatshana noma inqubo PVC ipayipi, kunenze nisondelane ingcina uye wakwenza lwahlolwa ukuze UKUQINA bedle izimo yokusebenza afakwa.

ubuchwepheshe Jikelele kunenze nisondelane evele

Ubuhlobo obuseduze nqubo ihilela ukulungiswa evele, ukuxutshwa yezingxenye ingcina Ukwakheka (uma kudingeka), ungqimba ezondile ingcina lisetshenziswa ebusweni nokulinda kuze kokuthola a elihlangana eqinile. Esinye sezinyathelo ezibaluleke kakhulu siwukulungisa evele ukuba zihlanganiswa, lokhu kuqinisekisa elihlangana elilungile. Lapho usebenzisa i-glue phezu kwaleyo kufanele sinake nokwanela ukushuba ifilimu. Inhlangano igcwaliswe elapha emalungeni kokokunamathisela ingcina, okumele kwenzeke izimo inqubo elikhulu.

I wokulungiselela ukwelashwa surface isinyathelo kususa noma ikuphi ukungcoliswa, nezixazululo ezikhethekile degreased kwamanzi, basuke roughened. Kuhle Mode ukulungiswa evele lapho ukwehluleka ngokuphawulekayo lebumbene (ukubhujiswa ungqimba astringent) amalunga ingcina. Ukuze ekwelapheni evele kunenze nisondelane usebenzisa kokubili chemical nezindlela mechanical ekuthuthukiseni amandla isibopho.

Indlela isicelo ungqimba ingcina phezu izinga kobuso ngokuhlanganyela ingcina kuncike. I ingcina kufanele nombala basakaza ebusweni, ukushuba ifilimu kufanele zifane futhi ibe uhla 0.1 kuya 0.2 mm. Indlela i-glue isicelo kuncike viscosity kwengoma.

Ngokwesibonelo, cabanga ukukhetha oluthile ingcina kanye obandayo ingcina inqubo ubuchwepheshe uhlelo amanzi ehlanganisa PVC ipayipi.

Kukhethwa ingcina ngoba PVC amapayipi

Pipe ngaphansi kunenze nisondelane ingcina PVC isetshenziswa ngemisebenzi yobunjiniyela ukuze kwakhiwe amanzi ompompi, isetshenziswa Ukushisa izinhlelo kanye indle. Kukhona ubuchwepheshe eziningana uxhumano PVC pipe kanye nokufakwa. kuvame kakhulu ukuba kusetshenziswe okusheshayo Welding Nokho, zithandwa kakhulu futhi kunenze nisondelane ubuchwepheshe ipayipi nokufakwa, njengoba futhi ephumelelisa amandla okusezingeni eliphezulu kunenze nisondelane.

Ezisetshenzisiwe for kunenze nisondelane PVC amapayipi anamathelayo zimumethe a main ingxenye polyvinyl chloride, okuyinto buhlanjululwe kuphela ukuthola ukuvumelana oyifunayo. Ukwakheka ingcina kungenzeka eminye aqukethe izithasiselo ehlukahlukene kanye excipients ezithuthukisa ungangenisi amanzi ingcina kanye nekhono moya. Physical adhesion inqubo yakhiwa ukusebenzisa Ukwakheka ingcina phezu imikhiqizo wenziwa ngaphezulu ukuxuba, uketshezi ayahwamuka nge kwesikhathi, bakha ingcina obuqinile is. Ukusebenzisa PVC ingcina inikeza eziqinile elihlangana evele ezingeni yamangqamuzana ezinto eziphilayo.

Ukuze ukhethe elikhulu ingcina Ukwakheka ngoba PVC amapayipi, cabangela lokhu okulandelayo:

  • wazi ngokucacile ngayiphi injongo kokokunamathisela lutholwa;
  • ebaluleke kakhulu sokuba bajwayelane ubuchwepheshe ingcina ukulungiselela, kungenzeka polyvinyl anamathelayo chloride ezisekelwe eyakhiwa izingxenye ezimbili, nethonya ngokuqondile amandla Ubuhlobo obuseduze;
  • ukubeka izinga, okuyinto iningi izingoma ingeqi imizuzu 1-2 (kuncike umswakama lokushisa);
  • anamathelayo ngoba PVC amapayipi kufanele lowehlukile;
  • viscosity sokuqanjwa upende.

PVC Technology obandayo amashubhu izindlela ingcina

Isixazululo ingcina kuyinto okuxubile kahle. Uma izingxenye eziyisisekelo iyadingeka ukuxhuma bebodwa, kubalulekile ukugcina olinganise lesifanele. Tube for ingcina kunenze nisondelane ibhalwe kusayithi gluing yokuhlanza kwenziwe futhi degreasing ebusweni. Ukukhweza iqala isicelo ingcina kuya evele kunenze nisondelane. I ingcina sisetshenziswa usebenzisa ibhulashi nge ukusatshalaliswa iyunifomu ebusweni ifilimu akuvunyelwe namagebe discontinuous amasayithi ngabanye. Lapho beqeda ebusweni inqubo ogelezayo nokumanzisa ingcina isixazululo, ipayipi ingxenye edlelana ne-efanelekayo.

Ngemva ukuqondanisa ipayipi kanye kufaneleka, ingcina kunenze nisondelane kumele isandla liguquguquke kuze kuphele 15-20 imizuzwana, okwathi ngemva kwalokho kwakhiwa elihlangana ingcina kanye kokuqala sikhula ingcina. Kubalulekile ukuqinisekisa ukuthi isakhiwo iqinile sikhundla lengiyo ngaphambi kunenze nisondelane, kusukela cranking noma eminye imiphumela akuvunyelwe. Ubuhlobo obuseduze Yesigcilikisha kufanele ahlale uphumule imizuzu engu-15 shabalala uketshezi.

A kunenze nisondelane ngokulandelana zonke izigaba Thepha kohlelo ehlanganisa PVC amapayipi kanye nokufakwa kwayo. Ubuhlobo obuseduze Yesigcilikisha ngemva kwamahora angu-24 kusukela kwaqedwa ukufakwa sihlolelwe yobunzima ukuqina ngaphansi nomthwalo ingcindezi amanzi.

Nokwethenjelwa amalunga ingcina

Izimfuneko ngokuphathelene nokwethembeka amalunga ingcina ethulwa, kuncike izici izinto eziboshiwe nemibandela yokusebenza kwakwakhe. Nokho, kukhona ezinye nemingcele jikelele, okuyinto kufanele kuhambisane nanoma iyiphi kwakwakhe.

izici eziyisisekelo nokwethenjelwa zonke izinhlobo zezakhi ingcina:

  • iyunifomu amandla adherend ne kwakwakhe ingcina;
  • Monolithic ethe njo oluxube ingcina bead;
  • Ukumelana izibopho ingcina kanye ebusweni izinga izinkomba kunqunywa ukuqina kanye nokwethembeka.

Isibonakaliso eyinhloko ukuthembeka ngokuhlanganyela ingcina ukuhlinzeka amandla isibopho alinganayo noma aphakeme amandla Monolithic ingxenye adherend. Ukuthembeka nenqubo kwakwakhe ingcina esekelwe yokusebenza izici, kungaba:

  • Ukumelana amanzi: Ikhono we interlayer ingcina ukuba simelane nemiphumela elimazayo yamanzi;
  • ukushisa ukuzinza: ikhono ukugcina amandla ingcina isibopho, ubuqotho nokuqinisela ngaphansi okushisa aphakeme;
  • ukuzinza yemvelo: ikhono ungqimba ingcina futhi uxhumano ukuze alondoloze izakhiwo yokuqala ngaphansi kwethonya elimazayo izinqubo yezinto eziphilayo.

Izinzuzo amalunga ingcina

Ukusetshenziswa Izingxube ingcina esekelwe zokwenziwa polymers ancibilike kakhulu endaweni ukusetshenziswa amapulasitiki ukunwetshwa. ingcina Zokwenziwa, iliphi ikhambi (esibunjiweyo) polymer Ukwakheka liwumkhiqizo ukucutshungulwa plastic. Inzuzo enkulu ye zokwenziwa ingcina kunenze nisondelane - ekulondolozeni nemingcele ngokomzimba futhi yobuhle izinto okumele eziboshiwe. Esinokwethenjelwa uxhumano evele phezu izindawo ezinkulu unikeze anamathelayo polymer. kwakwakhe Yesigcilikisha kusukela izingoma polymer asetshenziswa ngempumelelo elihlangana izindawo ezinkulu futhi indawo kunenze nisondelane izakhi ezincane kwesakhiwo.

9 izizathu ngokukhetha kunenze nisondelane

  1. Nokuthobela uyakwazi ukwakha amalunga omzimba enamandla phakathi izinto kokuba Izakhiwo ezahlukene kanye Ubukhulu. Ubuhlobo obuseduze technology luphakeme eziningi obunye ubuchwepheshe, kufaka Welding, ngoba ikhono ukuxhuma izakhi ukukhanya-gage futhi izinto ziyaqothuka.
  2. Ubuhlobo obuseduze ikuvumela ngokulinganayo ukusabalalisa ukucindezeleka phezu bonke ubuso, kunzima ukufeza usebenzisa ashiselwe noma amalunga omzimba riveted. Ukusebenzisa emalungeni ashiselwe futhi riveted libhekene lokuhlushwa eliphezulu iphuzu ukucindezeleka kuphela ezindaweni coupler.
  3. uxhumano Yesigcilikisha ahlinzeke high speed inhlangano imiklamo, ukusebenza kahle ngaleyo ndlela libhekene. Ubuhlobo obuseduze technology ufundwa emhlabeni wonke futhi Ungashintshanisa izindlela eziningana ngokuhlanganisa izakhi.
  4. I athuthukile ukukhiqizwa ubuchwepheshe kanye ezihlukahlukene Izingxube ingcina evumela ukusetshenziswa kwabo emazingeni ahlukahlukeneko wendlela inqubo ukukhiqizwa.
  5. Izindleko amandla ingcina nomkhulu ngokuvamile idlula izibalo ohambelana embodiments okunye kwakwakhe izakhiwo kanye izakhi. Compounds zenziwe glue, babe nesisindo esingaphansi uma ziqhathaniswa uxhumano eziphothene noma riveted.
  6. izinto Yesigcilikisha abe nekhono ahlukile ukumuncwa, ukusatshalaliswa futhi ukudluliswa ekucindezelekeni yonkana indiza emkhatsini wetincenye teluhlaka ukwakhiwa. Kuyaqina kanye deformation ikhono ungqimba ingcina kwandisa ukuthembeka izixhumi.
  7. I ingcina ongaphumelela sihlanganise izinto futhi izakhi ukuthi ebucayi ukufudumeza kukhona, okungase amakhefu noma deform ngaphansi isenzo ukushisa.
  8. I ingcina ingaba njengesihluthulelo impahla kubekwa uphawu, ukuhlinzeka uxhumano isakhiwo aligcini nje, kodwa ukumelana ngempumelelo imiphumela elimazayo umswakama futhi amakhemikhali reagents. amalunga omzimba Yesigcilikisha kukhona ukushisa kahle vimbela futhi umsindo insulators kakhulu.
  9. Kunezindlela eziningana izingoma ingcina eyenzelwe izimo ezinzima kwemvelo, ngosizo lwabo Ukuzesithole ikakhulukazi glue amalunga omzimba. Ukusetshenziswa ekhethekile glue ukwakhiwa kwenza ukwakhiwa kanye izakhi ngaphandle Ukushisa imishini ngaphansi kwamazinga okushisa aphansi kanye nomswakama eliphezulu.

Okumbi amalunga ingcina

I yokuntula main compounds ingcina, ngokukhethekile etholwe usebenzisa zokwenziwa anamathelayo, kuba ukungabi nakwenzeka kwento ukusetshenziswa kwabo ezindaweni ngesandla esiqinile nokhahlo kakhulu.

Compounds kwezakhiwo esebenzisa glue kudinga ukunemba kwawo kanye isigaba ukulawula ukubulawa kwabo. Labo nekhono kudingekile ukuqapha imingcele futhi izindlela kunenze nisondelane zokunamathela ingcina elapha ubuchwepheshe kanye nomklamo ukuphumula ngesikhathi kumiswa coupler. Ihlola compounds etholwe, uchwepheshe akuyona njalo bakwazi ukuhlonza kungenzeka kunenze nisondelane zamehlo.

Kwabaningi anamathelayo zezimboni ubuchwepheshe ukuqina kuhilela ukusetshenziswa Ukushisa izakhi. Ubuhlobo obuseduze ashisayo-ngokuvamile asikwazi ukwenziwa lapho yokuxhuma ntathu izakhiwo eziyinkimbinkimbi.

Kuyini kubalulekile ukwazi, ucabangela emalungeni glue?

  1. Zonke ubuchwepheshe kunenze nisondelane adinga ukwelashwa olunzulu multistage ebusweni, okuyinto kakhulu inkimbinkimbi inqubo. Inqubo elapha isibopho ingcina kumele lube khona izimo ezithile nomswakama, nokugcina ingcindezi kanye lokushisa izimo njalo. Ngaphezu kwalokho, ephelele sokwelapha isikhathi kungaba isikhathi. Yezinhlobo ezithile anamathelayo zezimboni kunenze nisondelane wenziwa isinyathelo amalahle uxhumano ingcina.
  2. kwakwakhe Yesigcilikisha eziklanywe ngokucophelela, yokuhlaziya okwenziwe ongoti eqine okuseqophelweni uyaxebuka kubalwa voltages ezivukayo ngenxa umehluko ezishisayo ukunwetshwa Coefficient kanye indiza kunenze nisondelane we ngokuhlanganyela ingcina.
  3. amalunga omzimba Yesigcilikisha, naphezu izakhiwo zalo ezinhle, babe ethile abalulekile - abampofu ukushisa ukumelana. Ukusetshenziswa anamathelayo ukuze kwakhiwe inhlangano kukhawulwe esimweni ezisebenza isakhiwo at okushisa aphakeme. Ngaphezu kwalokho, izinhlobo eziningi amalunga omzimba ingcina zingephulwa ngaphansi kwethonya ukudledlezela.
  4. Izici izakhi kunenze nisondelane zikwenza ukulawula ngokugcwele izinga uxhumano.
  5. Zezakhi etholwe kunenze nisondelane, non-separable, ngenxa yalesi sizathu, ukusetshenziswa ingcina inkimbinkimbi inqubo disassembly nofana izakhiwo ukuliqaqa. Ngaphansi kwezimo ukusetshenziswa kakhulu ezindaweni elinenzondo noma ukusebenza ngendlela elukhuni akunakwenzeka ukubala UKUQINA isibopho ingcina.

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