Roj Hmab Kua Nplaum: Yuav Ua Li Cas Xaiv Cov Roj Hmab, Roj Hmab Sib Xyaw Rau Gluing, Qib 88 N Thiab CA, Qhov Zoo Tshaj Plaws Tsis Qhuav Dej Kom Qhuav

2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-18 12:13

Roj hmab kua nplaum yog ib qho tshwm sim hauv peb lub neej. Ua ntej yuav nws, koj yuav tsum tau paub nrog cov hom tseem ceeb ntawm cov qauv nrov no, ntxiv rau nrog lawv lub hom phiaj ncaj qha, yog li qhov kev yuav khoom no muaj txiaj ntsig tiag. Txog kev sib raug zoo ntawm cov khoom siv roj hmab, niaj hnub no koj tuaj yeem pom ntau yam khoom sib txawv, lawv cov yam ntxwv tshwj xeeb cuam tshuam rau cov yam ntxwv ntawm daim ntawv thov, yog li koj yuav tsum tsis txhob xav tias cov kua nplaum zoo li no tuaj yeem yog thoob ntiaj teb.

Nws yog dab tsi

Roj hmab kua nplaum yog cov roj hmab ntuj uas yaj hauv cov khoom tshwj xeeb. Qhov sib xyaw ua ke no muaj kev ywj pheej zoo tom qab nws pib tawv, uas yog vim li cas nws thiaj raug xaiv los ua cov khoom sib txawv. Ua ntej yuav cov khoom lag luam zoo li no, koj yuav tsum nkag siab tias nws yog dab tsi, leej twg tsim nws, yam khoom twg yog nyob rau hauv kev sib xyaw thiab qhov twg nws tau siv ntau zaus.

Yav dhau los, txhua yam khoom nyob rau hauv lub npe "roj hmab kua nplaum" tau muab faib los ntawm GOST rau 2 pawg los ntawm qhov ntim ntawm cov khoom seem qhuav: pab pawg A thiab pab pawg B.

Tom qab kev tshawb fawb ntau, nws tau raug pov thawj tias cov roj hmab zoo tshaj plaws yog tsim los ntawm roj hmab. Nws yuav tsum muaj:

• tus neeg saib xyuas crosslinking;
• ntxiv nrog cov khoom vulcanizing;
• hnyav hnyav.

Qhov no yog yam tsawg kawg ntawm cov khoom uas pab tsim cov kua nplaum rau qhov ua tau zoo ntawm cov nplaim roj hmab rau tib yam roj hmab. Tab sis qhov txuas txuas tau yooj yim dua nyob rau hauv kev thov rau lub hom phiaj kev lag luam, yog li ntawd, ib txwm muaj pes tsawg leeg pib ntxiv nrog ntau yam khoom siv txhawm rau nce kev ua haujlwm ntawm cov kev sib txuas zoo li no.

Ntau zaus, cov roj hmab nplaum tau xaiv rau gluing cov khoom ywj pheej, thiab qhov no yog txhua yam vim tias muaj pes tsawg leeg tom qab nws tawv, zoo li thiab lwm yam khoom, zoo ib yam li roj hmab. Tab sis thaum yuav cov kua nplaum no, koj yuav tsum xaiv ib qho kom thiaj li hais txog nws cov yam ntxwv sib xyaw nws zoo ib yam li cov khoom sib koom . Cov khoom lag luam yuav muaj tsis tsuas yog cov roj hmab ntuj, tab sis kuj nws cov khoom siv hluavtaws analogue. Ethyl acetate lossis lwm yam khoom tuaj yeem siv ua cov kuab tshuaj.

Kev sib xyaw ntawm txhua lub tuam txhab tsim khoom sib txawv, vim tias qhov zoo ntawm cov nplaum ntawm cov khoom sib txawv tuaj yeem sib txawv ntawm ib leeg. Roj hmab nplaum yog qhov tsis zoo thiab pob tshab, nyob ntawm thaj chaw siv thiab muaj pes tsawg leeg.

Peculiarities

Lub ntsiab tseem ceeb ntawm cov kua nplaum no yog lub peev xwm los ua ke nws nrog ntawv, textiles, ntau hom iav, ntoo, hlau thiab ntau qhov chaw. Feem ntau nws tuaj yeem pom hauv rooj tog, khau, thiab tsim khoom pib. Tsis tas li, cov khoom zoo li no feem ntau yuav khoom rau tsev neeg xav tau.

Qhov tsis zoo ntawm cov nplaum niaj hnub no:

• tsis zoo-nrhiav seam;
• ntxhiab tsw;
• tsuas yog siv hauv cov chav qhib uas muaj cua nkag sai;
• nws nyuaj rau thov, vim nws tuaj yeem lo rau txhua yam (thiab rau tes ib yam nkaus), nws tuaj yeem ntog;
• tuaj yeem tawm qhov kub hnyiab yog tias ua tib zoo saib xyuas, thiab tsis muaj qhov xwm txheej yuav tsum tau nkag mus rau hauv lub qhov muag;
• txhuam rau kev thov cov muaj pes tsawg leeg tom qab siv tsis tuaj yeem ntxuav.

Cov yam ntxwv ntawm kev sib txawv ntawm cov kua nplaum sib txawv ntawm ib leeg. Txawm tias cov kua nplaum los ntawm cov tuam txhab sib txawv qhuav hauv ntau txoj kev - tam sim lossis dhau ob peb teev.

Saib

Kev faib cov nplaum los ntawm hom yog nqa tawm raws li ob qhov sib txawv: los ntawm qhov ntim ntawm qhov seem qhuav thiab los ntawm cov roj hmab nws tus kheej. Raws li GOST, qhov ntim qhuav qhuav tuaj yeem yog 6-8% txog 8-12%. Cov kua nplaum, yog tias nws muaj los ntawm 6 txog 8% ntawm qhov seem qhuav, paub tias yog qib A (muaj cov khoom sib xyaw ua kom yooj yim dua), thiab thaum qhov ntsuas yog los ntawm 8 txog 12%, tom qab ntawd nws yog kua nplaum tso rau hauv qab hom B.

Kev faib ntau tshaj plaws yog siv raws li cov yam ntxwv ntawm cov roj hmab uas muaj hauv nws.

Cov kua nplaum zoo li no yuav tsis haum rau qee thaj chaw ntawm kev lag luam, yog li ntawd, tau tsim cov khoom sib cais, lub hauv paus uas yog cov khoom siv hluavtaws. Cov kua nplaum roj hmab tiag tiag tsis tuaj yeem tiv thaiv kev txhoj puab heev ntawm txhua yam ntawm ib puag ncig thiab qhov kub thiab txias rau nws.

Hom khoom siv roj hmab feem ntau yog:

• Cov khoom siv roj hmab ntuj. Cov tshuaj no muaj cov leej faj. Cov kua nplaum no tau xaiv rau gluing ntu ua los ntawm duab los qhia, tawv lossis ntaub. Haum rau ntaub pua plag.
• Chloroprene muaj pes tsawg leeg. Txog kev ua tiav ntawm vulcanization, divalent hlau oxides tau suav nrog hauv nws. Cov muaj pes tsawg leeg yog qhov zoo heev hais txog kev sib txuas zoo, thiab yog li nws tau xaiv rau gluing hlau thiab lwm yam ntsiab lus.
• Adhesive nrog kev suav nrog nitrile butadiene roj hmab. Sulfur kuj ua raws li lub ntsiab lus vulcanizing ntawm no, tab sis tsuas yog nrog ntxiv ntawm thiuram. Cov nplaum no tsis muaj dej thiab tau xaiv rau ntau yam khoom siv nrov.
• Silicone kua nplaum. Nws cov tawv tawv tshwm sim tsuas yog nyob hauv kev cuam tshuam ntawm tetrabutoxylane. Nws tsis tshua muaj siv, vim nws tsuas tuaj yeem ua kua nplaum homogeneous.
• Styrene butadiene nplaum. Nws muaj lub peev xwm ua kom tsis muaj zog thiab yog li ntawd tsuas yog yuav rau kev tsim khoom, piv txwv li, rau kev tsim cov kab xev. Lwm yam khoom siv roj hmab tuaj yeem yog lub hauv paus ntawm cov kua nplaum no, tab sis lawv qhov kev siv tsuas yog txwv.

Cov nplaum rau cov roj hmab tau muab faib raws li lawv lub hom phiaj xav tau: rau kev siv hauv tsev thiab hauv tsev (rau gluing ntau txheej txheej hauv tsev). Cov kua nplaum muaj siv hauv kev tsim khoom, nws tau tsim tawm hauv qhov loj, thiab nws tau thov rau txheej txheej uas siv cov cuab yeej tshwj xeeb.

Xws li kev sib xyaw yog kua nplaum 88, 88 N thiab 88 CA . Lawv tau pom nyob hauv kev tsim kho kev lag luam - rau kev teeb tsa ntawm ntau qhov chaw ua tiav, hauv kev lag luam tsheb - rau gluing cov khoom siv roj hmab, hauv kev tsim cov rooj tog thiab cov khau. Cov khoom no yog tsim rau gluing roj hmab thiab gluing nws mus rau hlau, ntawv, ntoo.

Yooj yim ziab khaub ncaws universal " Sijhawm-1 ". Nws yog qhov zoo dua los xaiv nws rau gluing roj hmab, ntoo, hlau, tawv thiab hnov, yas thiab iav, ntxiv rau cov khoom siv hauv tsev. Lub zog muaj zog muaj pes tsawg leeg yog tshuaj lom heev thiab tuaj yeem kub hnyiab tau, yog li nws tuaj yeem siv tau tsuas yog hauv huab cua lossis hauv chav uas muaj cua nkag, thaum ua kom muaj pes tsawg leeg ntawm cov nplaim taws qhib.

Nws tau siv rau hauv txheej txheej uas tuab tshaj plaws ntawm ob lub ntsiab lus ua kom qhuav, uas yog thawj zaug ntawm txhua qhov ntxuav thiab degreased, tom qab ntawd lawv tau khaws cia txog li 15-20 feeb kom txog thaum qhuav tas. Tom qab ntawd, ob lub ntsej muag raug sib zog ua haujlwm ib leeg tsuas yog 10-15 vib nas this.

Koj tseem tuaj yeem pom ntau yam xws li roj hmab kua nplaum ua kua roj hmab-nws yog pob tshab polyurethane kua nplaum-tshuaj rau kev ua haujlwm kho, tiv thaiv saum npoo thiab lawv cov dej tsis zoo. Cov tshuaj no muaj qhov sib txawv los ntawm nws qhov tsis kam hnav thiab rhuav, hloov pauv, nws ua tiav qhov khoob uas twb muaj lawm, thiab tsis ntshai qhov kub hloov pauv.

Nws kuj tseem tsim nyog hais txog cov roj hmab nplaum nplaum-qhov no yog lub zog ua kom muaj zog uas xav tau rau kev kho kom zoo ntawm cov ntsaws ruaj ruaj hauv lub qhov rooj thiab lub qhov rais. Nws tawv tawv heev thiab ua tau zoo rau cov khoom ntxeem tau thiab tsis ntxeem tau.

Hom nto moo thiab tshuaj xyuas

• Cov kua nplaum 88 N . Qhov kev sib xyaw no ua raws cov ntaub ntawv roj hmab rau hlau zoo thiab ntev. Thaum qhuav, nws tau diluted me ntsis nrog benzene mus rau lub xeev ntawm cov qaub cream zoo tib yam, thaum cov kua nplaum nws tus kheej yuav tsum tsis txhob los ntawm txhuam los yog rub tawm nrog xov. Nws tau lubricated nrog roj hmab (lossis lwm yam khoom siv) thiab qhuav li ntawm 3-5 feeb, tom qab uas txheej thib ob tau siv rau cov roj hmab thiab thawj txheej rau hlau. Ob lub ntsiab lus yuav tsum tau qhuav rau 5-6 feeb. Tom qab ntawd ob qho tib si tau muab tso rau ntawm ib leeg - qhov no yog li cas lawv qhuav li ib hnub, tso rau hauv qab nias zoo.
• Roj hmab kua nplaum yog 5 lossis 7% roj hmab yaj hauv cov roj av yam tsis muaj impurities. Hnub no nws feem ntau hloov los ntawm cov roj hmab hluavtaws sib txuas. Hom nrov tshaj plaws xws li nplaum – 88 CAJ . Nws yog cov tshuaj colloidal ntawm cov roj hmab thiab cov roj hmab, uas tau sib xyaw nrog nefras thiab ethyl acetate. Xaiv rau kev sib txuas cov roj hmab thiab cov pob zeb ua ke nrog rau iav thiab ntoo. Qhov sib xyaw ua ke no haum zoo rau kev tso cov plag tsev ntawm cov cement lossis ntoo, sib koom ua npuas dej thiab ua npuas dej ua ke. Koj tseem tuaj yeem siv cov kua nplaum no los ua haujlwm nrog ntaub thiab tawv, txhawm rau kho sai ntawm txhua nkawm khau. Glue 88 CA tsis muaj dej, nws tsis tig mus ua tshuaj lom thaum raug cua, nws tuaj yeem tiv taus qhov kub ntawm -500 txog +700 degrees.

• Lwm qhov sib xyaw - paub zoo rau txhua tus caw 4508 . Nws tsis ntshai dej, muab kev ywj pheej rau cov nqaws, thiab muaj cov nplaum zoo. Qhov sib xyaw no tuaj yeem pom hauv kev tsim cov khoom lag luam, tsim ntau yam khoom lag luam roj hmab, tiv thaiv tshwj xeeb, cov ntaub qhwv roj hmab. Kev ywj pheej siab tso cai rau nws los ua neeg nyiam thaum gluing PVC lub nkoj, tawv tawv haberdashery, haum rau cov neeg nuv ntses.
• Kev tshuaj xyuas zoo muaj kev sib xyaw Loctite uas yog ceev heev. Siv nws, koj tuaj yeem kho lub nkoj hauv qhov xwm txheej nyuaj hauv 5-7 feeb. Cov sib xyaw no tseem muaj qhov rho tawm - gluing tam sim, uas yuav sib txawv hauv kev sib txuas tsis sib xws thoob plaws hauv cheeb tsam.

• Cov kua nplaum "Radical ". Ntau tus neeg nuv ntses qhia tias koj ib txwm muaj cov nplaum nplaum no nrog koj. Nws tuaj yeem tiv taus lub siab ncaj ncees thiab muaj kev nyuaj siab. "Radical" tsis ntshai qhov kub tsis zoo, nws ua haujlwm tau zoo hauv ob qho tib si tshiab thiab dej ntsev. Cov kua nplaum no suav tias yog qhov tsis tseem ceeb rau kev kho sai ntawm cov nkoj roj hmab.
• Cov kua nplaum nplaum . Nws yog cov khoom siv roj hmab ntuj. Nws yog dej tsis tau thiab yog li ntawd tuaj yeem siv rau gluing ntau yam roj hmab thiab cov khoom lag luam: cov nkoj, tsheb thiab tsheb kauj vab lub koob yees duab, tawv haberdashery.

Xaiv thiab thov

Txhawm rau kom tau txais cov nplaum zoo tshaj plaws rau cov roj hmab, nws tsim nyog teb tag nrho cov lus nug: qhov twg nws yuav raug siv.

Ua ntej yuav khoom muaj pes tsawg leeg, koj yuav tsum tau teb lwm cov lus nug uas yuav pab txheeb xyuas qee yam tshwj xeeb ntawm cov khoom ntawm cov kua nplaum xaiv:

• Puas yog cov khoom ua kom sov lossis txias? Ntau yam qauv muaj peev xwm tiv taus qhov kub sib txawv. Yog tias koj npaj yuav siv cov kua nplaum hauv cov xwm txheej nyuaj, koj yuav tsum ua kom ntseeg tau tias nws yog cov tshuaj uas tsis ntshai cov xwm txheej no.
• Cov khoom puas tuaj yeem ua rau muaj kev poob siab ntau zaus, muaj kev co, lossis hloov pauv loj thaum ua haujlwm? Yuav luag txhua tus kws tshaj lij roj hmab nplaum tiv taus cov khoom siv dag zog. Tab sis muaj ntau yam uas tau ua rau muaj zog tiv taus tearing quab yuam. Lawv tuaj yeem siv rau gluing qhov rooj ntsaws ruaj ruaj lossis rau lub tshuab nqus roj hmab.

• Cov nqaws twg yuav tsum tau siv rau cov khoom kom raug sib khi? Rau hom nqaim nqaim, cov kua nplaum tau xaiv, rau cov tuab - nrog cov tuab tuab.
• Yam khoom dab tsi koj xav tau los nplaum? Txhawm rau xaiv cov kua nplaum zoo, koj yuav tsum tau paub txog qhov kev siv ntawm nws. Piv txwv li, yog tias nws yog qhov tsim nyog los lo rau hauv pem teb npog nrog cov kua nplaum.
• Puas muaj pes tsawg leeg tuaj ntsib nrog zaub mov? Qee hom nplaum yog tshuaj lom heev. Yog li ntawd, txhawm rau kho cov tais thiab cov tais, koj yuav tsum yuav cov khoom muaj kev nyab xeeb tshaj plaws.

Txhua tus yam ntxwv ntawm cov kua nplaum tuaj yeem pom hauv nws cov lus qhia rau kev siv. Nws raug nquahu kom nug tus muag khoom rau cov lus qhia ntawm qhov muaj ntawm cov nplaum uas nws muag.

Ua ntej gluing, qhov saum npoo yog degreased thiab ntxuav ntawm cov av. Txhawm rau ua qhov no, koj tuaj yeem siv acetone, uas yuav pab tsis tau tsuas yog ua kom huv zoo, tab sis kuj ua rau cov qauv roj hmab softer. Ntau yam kab mob sib kis tuaj yeem ua rau txo qis hauv kev ua nws tus kheej thiab txo qhov ua kom ntev ntawm cov muaj pes tsawg leeg, thiab tom qab ntawd cov ntu yuav xav tau glued dua tom qab qee lub sijhawm.

Kev sib khi yog ua tau zoo tshaj ob peb theem. Ib txheej txheej txheej yuav tuaj yeem pab tau ntawm no, uas yuav pab cov kua nplaum los qhia qhov ua tau zoo.

Txhawm rau txhim kho qhov ua tau zoo, nws yog qhov zoo dua los siv lub tshuab ziab plaub hau - thaum siv nws, qhov kev sib txuas ua kom sov zoo (txog 60 degrees). Tab sis koj tsis tuaj yeem nqa cov kua nplaum rau cua sov mus rau qhov qhib nplaim taws.

Cov Tswv Yim

Txhawm rau kom tau txais txiaj ntsig zoo thaum siv cov nplaum rau cov roj hmab, nws yog ib qho tseem ceeb heev uas yuav tsum tau soj ntsuam cov cuab yeej tshwj xeeb thaum gluing - feem ntau nws tau qhia ntawm lub hwj ntawm kua nplaum nws tus kheej lossis nws lub raj.

Nws yog qhov tseem ceeb, ua ntej tshaj plaws, txhawm rau ua kom muaj qhov ua tau zoo ua ntej txheej txheem txheej txheem. Roj hmab tuaj yeem ua paug nrog cov khoom seem ntawm txhua yam khoom siv, hmoov av lossis roj uas tau tiv tauj nrog nws. Koj tuaj yeem tshem tawm hom kab mob paug no los ntawm kev siv cov tshuaj sib xyaw tshwj xeeb lossis cov tshuaj hnyav tshwj xeeb. Yog tias cov nplaim roj hmab tau ntxuav kom huv nrog cov neeg ua haujlwm txhuam ua ntej lo, tom qab ntawd koj yuav tsum tshem tawm txhua qhov seem ntawm cov hmoov av uas tau ua nrog cov tshuaj ntxuav lossis ua kom tag nrho cov av tau sau rau saum npoo.

Cov tshuab siv kua nplaum xav tau qhov ua tiav ntawm cov lus qhia kom ua tiav qhov txiaj ntsig zoo tshaj plaws. Yog li, nws tsim nyog paub tias muaj ob hom gluing: kub thiab txias.

Thawj txoj hauv kev, gluing tau ua tiav ntawm qhov kub ntawm 70 txog 160 degrees, thiab lub sijhawm ua cov txheej txheem tuaj yeem siv sijhawm 5-10 feeb. Qhov kev xaiv thib ob yuav tsum tau muab lo rau ntawm chav sov ib txwm, tab sis lub sijhawm kho yuav nce mus txog 2-3 kaum teev.

Cov nplaim uas yuav tsum tau lo yuav tsum tau npaj kom zoo kom thiaj li tau txais kev sib raug zoo. Ua ntej degreasing cov roj hmab thaum gluing, koj yuav tsum tau kho nws nrog cov ntawv zoo - qhov no yuav ua rau thaj chaw sib cuag.

Rau qhov ua kom zoo dua qub, koj tuaj yeem siv qee yam hnyav uas ua kom yooj yim, piv txwv li, acetone zoo tib yam lossis txawm tias roj av.

Ib tug xov tooj ntawm cov sib txuas tuaj yeem ua kom tuab thiab tom qab ntawd lawv tuaj yeem raug diluted. Tsis muaj ib yam dab tsi hauv ntiaj teb uas muaj qhov sib xws. Thiab txawm hais tias txhua lub rubber tuaj yeem yooj yim yaj hauv cov khoom siv roj carbon, rau txhua tus ntawm lawv koj yuav tsum xaiv hom sib txawv.

Rau cov roj hmab nitrile butadiene, nepras lossis ethyl acetate tau xaiv. Ua ntej diluting 88 kua nplaum, koj yuav tsum tau ua kom sov nws hauv chav da dej kom txog 40-45 degrees. Qhov kev npaj no yuav pab tiv thaiv kom tsis txhob muaj cov qog ua.