Tingavimba guruu majoini?

Munda pokushandisa namira iri dzaisiyana, rinoshandiswa muna mukugadzira, kuvaka, kugadzirisa uye Modelling. Namira yeimwe zvinoshandiswa paungano kwacho panguva padariro kugadzwa zvivako uye zvinhu. The inonyanya guruu yaishandiswa bepa indasitiri nehuni kugadzira.

Kubvira ayo kare, adhesives uye wemisanganiswa dzakachinjwa. Nemhaka yazvino akaonekwa adhesives pachishandiswa chakaita zvokugadzirwa Inogadzirwa nemasiridzi anobuda mumiti vanokwanisa guruu zvinhu uye chero pemvura. Chakaita zvokugadzirwa adhesives vane yakakwirira elasticity, mvura uye chisimbiso yeimwe uyewo nechokwadi upenyu basa ravo refu. Muenzaniso kwokushandisa chakaita zvokugadzirwa adhesives zvinogona sechinoitika vanoungana PVC nyere nokuda namira chokuedza kana kushandiswa chakaita zvokugadzirwa namira wemisanganiswa kuti kugadzira uye kuchinja Ezvemutauro (pamwe guruu kugadziriswa majoko Inokwana hukawanika uye mumatanga).

The huru nani ari mukuru rakavimbika namira maererano-siyana zvikamu uye hukawanika, kunoitwa pasina zvisina kufanira zvainoita STRUCTURAL okunze (kuchera, ndiro, nomoto).

Chii guruu uye guruu majoini?

The namira musanganiswa kana multi-chinoumba sezvamunoita inoshandiswa kubatanidza siyana constructional okunze uye zvinhu. Namira remubatanidzwa unreleasable, vafuke chisungo achiumbwa pamwe panaakabatanidzwa pamwechete hukawanika ari namira rukoko. Adhesives akasiyana mune sezvamunoita. The nziyo akaumbwa Organic uye inorganic Polymers. Hwaro namira nziyo iri Classified:

• Hot Kurapwa Polymers;
• inotonhorera-Kurapwa Polymers;
• kudziyisa nemishonga Polymers;
• thermosetting uye thermoplastic Polymers;
• Polymers anoshandiswa chakaipa tembiricha siyana.

Kukura kugadzirwa michina uye polymer kemisitiri vakapiwa Kugona nziyo kuti zvinopa simba namira zvisungo zvokuvakisa vane hukawanika haana kare akabudisa yakasimba coupling nesimbi, zvedongo kana girazi. Uyezve zviri polymer chawo ari namira nziyo zvinosanganisira yokuvirisa siyana kupa aida ehupfumi ari namira interlayer uye unhu (kupisa nemishonga, mwando nemishonga, simba, ductility, uye zvichingodaro. D.). chinokosha chinangwa yokuvirisa angava: kurapa nevasori, zvokufembedzwa, colorants, plasticizers, uye dzimwe fillers.

Qualitative unhu uye namira zvivako zviri yeimwe kuvimba kusarudza namira uye kunyatsotevedza Muitiro unobatanidza michina.

Clay: ezvinhu kuziva sarudzo

Pakusarudza namira rakakura basa reDare zvivako uye unhu nezvinhu aiendeswa chokuedza, mamiriro ebasa (mwando, tembiricha), iyo inofungidzirwa upenyu namira ukama uye mutoro pamusoro payo. Kana Pakusarudza namira vanofanira kuteerera mutengo zvoutsanana zvokusarudza, flammability. A chiri zvose namira kubatana ndiro Kushatiswa adhesion chete kwemakore nguva, saka, panguva yose nguva kushanda aparadza namira chisungo.

The kuderera simba interlayer namira uye mukana wokushandiswa imhaka matambudziko tembiricha nokufamba, mwando, uye zvimwe zvirwere. Saka, asati chokuedza chacho mamiriro, nyaya kana muitiro PVC mutopota, namira chokuedza kuzviita akaedzwa kuti mukurumari pasi pokudzora kwomudzimu projected uchishandisa ezvinhu.

General Michina kwokuva hukawanika

Bonding chidobi kunosanganisira kwegadziriro hukawanika, vaiitawo ari namira nziyo zvinoriumba (kana waida), nhete paiva namira rinoshandisirwa nomumativi kumirira kusvikira okutambirwa yakaoma akabatanidzwa pamwechete. Imwe nhanho inokosha ndiko kugadzirira hukawanika kuti waakaita, ichi chokuti Zvakanyanya Kunaka Panguva Yepamuviri akabatanidzwa pamwechete. Kana kushandisa guruu padenga pamusoro vanofanira kuteerera zvakakwana firimu ukobvu. Gungano rapera paakarapa namira Hudyu namira, izvo zvinofanira kuitika munzvimbo optimum muitiro ezvinhu.

The regadziriro pamusoro kurapwa nhano inobvisa kutombosvibiswa, chaizvo zvinogadzirisa degreased pamusoro, ivo roughened. Best Mode achigadzirira hukawanika umo cohesive chaizvo kutadza (kuparadzwa astringent rukoko) kuti namira mapfundo. Nokuti kurapa chokuedza hukawanika kuposha zvemakemikari uye zvemaziso nzira kuvandudza chisungo simba.

The nzira pokushandisa namira rukoko pamusoro pechiso kunaka namira muhudyu kunoenderana. The namira inofanira noruvara richiparadzirwa pamusoro penyika, firimu ukobvu inofanira yunifomu kuva kuwanda 0.1 kusvika 0.2 mm. Nzira guruu chikumbiro kunoenderana viscosity pakati murwiyo.

Somuenzaniso, funga nezveimwe kusarudza namira uye nokuwedzera namira Michina muitiro mvura gadziriro rine PVC nenyere.

Pakusarudza namira nokuda PVC pombi

Pipe pasi namira chokuedza pamusoro PVC rinoshandiswa ouinjiniya basa kuvaka mvura mugadziriro, rinoshandiswa kudziyisa hurongwa uye sewers. Kune akawanda ruzivo pezvinopiwa PVC nyere uye Fittings. Zvinowanzoshandiswa diffusion nomoto, zvisinei, kwakakurumbira chaizvo uye Muitiro unobatanidza michina nenyere Fittings, sezvo neniwo inowana mukuru Muitiro unobatanidza simba.

Rakashandiswa Muitiro unobatanidza PVC pombi adhesives vanoumba huru pakuderedza polyvinyl chloride, iyo rakasanganiswa solvent kuwana zvinodiwa kusachinja-chinja. The namira sezvamunoita anogona zvakare rine yokuvirisa siyana uye Excipients hunowedzera namira mvura uye airtight kugona. Physical adhesion kwacho unotora kushandisa namira murwiyo pamusoro pemvura mishonga rinoitwa zvikuru nokusanganisa, ari solvent iri Ipwa nokufamba kwenguva, munhu namira ukama hwakasimba aumbwa. Uchishandisa PVC namira kunopa simba coupling hukawanika panguva samolecular chechetere.

Kusarudza optimum namira murwiyo nokuda PVC pombi, funga zvinotevera:

• zvakajeka kuziva chii chinangwa namira inogona kuwanwa;
• Zvakakosha kuzivana naye namira pakugadzirira michina, polyvinyl chloride anotsanangura adhesives ringaumbwa yenhengo maviri, zvakananga simba chokuedza simba;
• kuisa zvazvingava, izvo vakawanda nziyo hakuiti kusapfuudza maminitsi 1-2 (zvichienderana mwando netembiricha);
• adhesives nokuti PVC pombi akasiyana ruvara;
• ari viscosity of pendi sezvamunoita.

PVC Technology vanomhanyisa sepombi namira rinoreva

The namira anogadzirisa kwazvo yakavhenganiswa. Kana dzinokosha zvinoriumba hunodiwa kubatanidza pachavo, zvakakosha kucherechedza zvakarurama kukura. Tube nokuti namira chokuedza rinogadzirirwa pa nzvimbo gluing akaita kuchenesa uye degreasing pemvura. Kubhururuka rinotanga kushandiswa namira kuti chokuedza hukawanika. The namira rinoshandisirwa kushandisa bhurasho pamwe yunifomu kuparadzira pamusoro pemvura firimu hazvibvumirwi uye Makwanza discontinuous mumwe nzvimbo. Panopera pamusoro wetting nzira namira mhinduro, nyere chidimbu iri dzichienderana wakakodzera.

Pashure inogara nenyere uye wakakodzera, namira chokuedza anofanira nokuramba wakaomerera panzira wakaiswa nokuda 15-20 masekonzi, pashure iyo yakaumbwa namira coupling uye kutanga namira richikora. Zvakakosha kuva nechokwadi chokuti chivako ndee mu zvakarurama nzvimbo pamberi chokuedza, kubva cranking kana zvimwe zvinokonzerwa haabvumirwi. Namira Bonding vanofanira kuramba ndakazorora kwemaminitsi 15 kuti ipfungaire pamberi solvent.

A anotevedzana Bonding zvose pombi zvikamu kwegadziriro rine PVC nenyere Fittings. Namira Bonding pashure maawa 24 kubva okuguma installation ichinge kuongororwa kuti tightness uye mukurumari pasi mutoro mvura nevezera.

Rakavimbika namira majoini

The zvinodiwa maererano rakavimbika namira majoini dzinoturwa, zvichienderana zvechadenga waakaita zvinhu uye anodawo mamiriro akakura. Zvisinei, pane dzimwe parameters nokudenga, izvo zvinofanira kuita chero remubatanidzwa.

Basic unhu rakavimbika kuti marudzi ose namira yeimwe:

• dzakafanana simba adherend pamwe namira mukomboni;
• monolithic glued pamwe namira bead zvinhu;
• nemishonga ine namira zvisungo uye pamusoro unhu zviratidzi vakatsunga mukurumari uye rakavimbika.

The chikuru chiratidzo rakavimbika namira muhudyu ndiko kupa chisungo simba zvakaenzana kana mukuru simba monolithic chikamu adherend. Kuvimbika nzira namira remubatanidzwa kwakavakirwa anodawo unhu, angava:

• mvura nemishonga: The mano namira interlayer kudzivisa kukuvadza mvura;
• kupisa Kugadzikana: kukwanisa kuchengeta namira chisungo simba, kuvimbika uye kushinga pasi kumusoro tembiricha;
• zvoutachiona Kugadzikana: nekugona namira rukoko uye zvose kwokubatana kuchengetedza chepakuvamba ehupfumi pasi pokudzora kuparadza zvoutachiona kwendangariro.

Zvakanakira namira majoini

Kushandiswa namira wemisanganiswa yakavakirwa chakaita zvokugadzirwa Polymers uye zvinonyauka yekudyidzana kuwedzera nzvimbo kushandisa mapurasitiki. Chakaita zvokugadzirwa namira, iyo mhinduro (wakaumbwa) polymer sezvamunoita chibereko kubudiswa epurasitiki. The chikuru mukana chakaita zvokugadzirwa namira chokuedza - kuchengetedza utano uye aesthetic parameters nezvinhu kuti waakaita. Hwakavimbika kubatana hukawanika pamusoro munzvimbo huru vanopa polymer adhesives. Namira remubatanidzwa kubva polymer nziyo vari kubudirira kushandiswa coupling nzvimbo huru uye kuti gwapa chokuedza duku STRUCTURAL zvinhu.

9 zvikonzero kusarudza chokuedza

1. Adhesives inokwanisa nokuumba majoini simba pakati zvinhu vane utano zvivako zvakasiyana uye miganhu. Bonding zvemichina inopfuura nhamba dzimwe ruzivo, kusanganisira nomoto, sezvo kugona kubatanidza chiedza-gage zvinhu uye pfava zvokuvakisa.
2. Bonding unokubvumira zvakaenzana ugovere kunetseka pamusoro pepasi, zvakaoma kuita kushandisa welded kana riveted majoini. Kushandisa majoini welded uye riveted dzinoratidzwa mukuru wevasungwa pfungwa kushushikana chete munzvimbo coupler.
3. Namira kwokubatana zvinopa kumhanya gungano mazano, saka dzinoratidzwa kunyatsoshanda. Bonding zvemichina pose uye anogona kutsiva nzira dzakawanda kubatanidza zvinhu.
4. The dzakabudirira kugadzirwa zvemichina uye zvakasiyana-siyana namira wemisanganiswa inobvumira kushandisa kwavo panguva dzakasiyana nzendo kugadzirwa kwacho.
5. Mari namira chisungo simba uye kazhinji akapfuudza runoenzanirana kwokufananidzira kungaitwa embodiments remubatanidzwa zvivako uye zvinhu. Compounds akaita kushandisa guruu, vane zvishoma uremu tichienzanisa welded kana riveted kubatana.
6. Namira zvinhu vane rakasiyana anokwanisa Absorção de Água, kuparadzirwa uye kuchinjwa kunoitwa mhiri ndege pakati pakuvaka zvinhu. Elasticity uye deformation mano namira rukoko anowedzera rakavimbika connectors.
7. The namira angabudirira chokubatanidza zvinhu uye zvinhu kuti vanoziva kuti vakuchidzire, izvo zvinogona kutyora kana deform pasi zvinoitwa kupisa.
8. The namira anogona kuita somunhu chisimbiso zvinhu, ichipa kwete chete yakavimbika kubatana chimiro, asi chinobudirira kurwisa zviri kukuvadza migumisiro unyoro uye namakemikari reagents. Namira majoini vari zvakanaka putira kupisa uye ruzha zviri kwazvo insulators.
9. Pane zvinhu zvinoverengeka namira nziyo rakagadzirirwa ezvinhu akaoma zvakatipoteredza, achibatsirwa wavo vawane kunyanya zvakavimbika guruu majoini. Kushandiswa chinokosha guruu Formulations inoita kuvaka uye zvinhu pasina kudziyisa midziyo yakaderera tembiricha yakakwirira mwando.

Zvazvakashatira namira majoini

The chikuru zvazvakashatira namira yeimwe, zvikurukuru vakawana vachishandisa chakaita zvokugadzirwa adhesives, ndicho chisingabviri zvavo kushandiswa vanachandagwinyira uye zvikuru hasha runyararo.

Compounds pezvivako achishandisa guruu zvinoda mukuru nemazvo uye Pasika kudzora kuuraya dzavo. Avo nyanzvi zvakakodzera kuongorora parameters uye modes kwokuva kuomerera namira achirapa zvemichina uye magadzirirwo zororo panguva paumbwe coupler. Kuongorora yeimwe vakawana, nyanzvi asingakwanisi kuziva zvinoita chokuedza zvikanganiso nguva dzose.

Nokuti vazhinji maindasitiri adhesives Michina nokuomesa kwacho kunosanganisira kushandisa kudziyisa zvinhu. Bonding hot-kazhinji hazvigoni kuitwa apo unobatanidza ndeiya yakaita hurongwa dzakaoma.

Chii chakakosha kuziva, kufunga guruu majoini?

1. All ruzivo Bonding zvinoda anonyatsotsvaka multistage pamusoro kurapwa, izvo yekudyidzana zvinoomesa muitiro. Muitiro achirapa namira chisungo inofanira kuitwa mune zvimwe mwando zvinhu, kuramba kugara kumanikidzwa netembiricha ezvinhu. Mukuwedzera, kwakakwana okurapa nguva kunogona kuva nguva unoparadza. Nokuti mamwe maindasitiri adhesives chokuedza rinoitwa tichifambirana muchidziisa namira papi.
2. Namira remubatanidzwa nounyanzvi, ari kuongorora kwakaitwa vanachiremba tensile uye peeling mitoro vari dzaona voltages anomuka nokuda musiyano pakati chafariz kuwedzera coefficient uye Muitiro unobatanidza Ndege yacho namira rwakashodoka.
3. Namira majoini, pasinei zvakwakanakira zvivako, kuchikosha drawback - murombo kupisa nemishonga. Kushandiswa adhesives pakuvaka kereke zvakawanda zvakaitika kushanda maumbirwo panguva akakwidziridzwa tembiricha. Uyezve, marudzi akawanda namira mapfundo anogona uchaputswa pasi pokudzora zvokuimba kuvhunduka.
4. Features kwokuva zvinhu kuti zvisingabviri kudzora zvizere unhu papi.
5. The yeimwe yaunganidzwa chokuedza, muri dzisiri kupatsanurwa, nokuda kwechikonzero ichi, kushandiswa namira zvinoomesa ari disassembly muitiro kana dismantling zvakagadzirwa. Pasi ezvinhu zvakasimba kushandiswa mamiriro ezvinhu akaoma kana vanachandagwinyira oparesheni hazvibviri kuverenga mukurumari yacho namira chisungo.