Jinsi ya kutumia gundi kwa mabomba ya PVC

2025-08-19

Wakati wa ufungaji wa mabomba ya PVC, matumizi sahihi ya gundi ni kiungo muhimu ili kuhakikisha kuwa muunganisho ni thabiti na muhuri hauvuji. Yafuatayo yataanzisha mchakato wa kawaida na tahadhari za kutumia gundi kwa mabomba ya AD mabomba ya PVC kwa undani, ili kusaidia wafanyakazi wa ujenzi kusanifu uendeshaji na kuboresha usalama na uimara wa mfumo wa bomba.

I. Maandalizi ya awali

1. Ukaguzi wa vifaa vya bomba

Thibitisha kwamba mabomba ya AD mabomba ya PVC yaliyotumiwa yanalingana na vipimo vya vifaa vya bomba, na bandari ni gorofa bila nyufa, mifadhaiko na kasoro zingine. Inapendekezwa kuchagua vifaa vya bomba vya PVC vya ubora wa juu vya bidhaa zinazojulikana kama vile mabomba ya AD ili kuhakikisha usahihi wa dimensional na utangamano wa nyenzo wa bidhaa.

2. Matibabu ya kusafisha uso

Safisha kikamilifu nje ya tundu la bomba na ndani ya tundu la bomba kwa kitambaa kavu au sandpaper ili kuondoa mafuta, vumbi, unyevu na safu ya oksidi ya uso. Ikiwa bomba lina burrs baada ya kukata, inahitaji kung'arishwa na chamfer au sandpaper ili kuepuka kuathiri athari ya kuziba.

3. Weka alama ya kina cha kuingizwa

Weka alama ya mstari wa kina wa kuingizwa na penseli au alama kwenye mwisho wa kuingizwa kwa bomba. Kina cha kuingizwa kwa kawaida ni 2/3 ya kina cha tundu la bomba ili kuhakikisha kuwa muunganisho unaweza kuwekwa kwa usahihi.

Pili, uteuzi wa gundi na vipimo vya maombi

1. Uteuzi maalum wa gundi

unapaswa kutumika na wambiso maalum wa PVC-U unaolingana na bomba la AD. Angalia uzalishaji Kabla ya kufungua gundi, angalia kama ufungaji uko katika hali nzuri na uepuke kutumia bidhaa zilizoimarishwa au zilizoharibika.

2. Gundi kuchochea na kupiga mswaki

Fungua kofia ya chupa ya gundi na koroga gundi sawasawa na brashi (ni marufuku kupunguza na maji). Kwanza piga mswaki ndani ya tundu la bomba na utumie sawasawa kando ya mwelekeo wa axial ili kuunda filamu inayoendelea, unene unafaa kufunika uso wa matuta madogo; kisha piga mswaki nje ya tundu la bomba. Urefu wa brashi unapaswa kuwa 5-10mm mrefu kuliko mstari wa kina uliowekwa alama ili kuhakikisha kuwa gundi inaweza kujaza kabisa pengo baada ya kuingizwa.

3. Kutumia udhibiti wa kasi

Kitendo cha kupiga mswaki kinapaswa kuwa endelevu na haraka ili kuepuka gundi kuonyeshwa hewani kwa muda mrefu sana na kusababisha kiunganishi. Ikiwa joto la mazingira ni la juu (zaidi ya 30 ° C), inapendekezwa kufupisha muda wa kupiga mswaki ili kuzuia gundi kutoka kuponya mapema.

Tatu, uunganisho na uponyaji wa uendeshaji pointi

1. Pangilia na kuziba haraka

Mara baada ya gundi kukamilika, panga tundu la bomba na katikati ya tundu la bomba, weka mhimili sambamba, na uzunguke vizuri na kuingiza kwenye nafasi ya mstari wa kuashiria. Pembe ya mzunguko haipaswi kuzidi 90 ili kuepuka gundi kuwa extruded na kuathiri kuziba.

2. Rekebisha na matibabu ya kufurika

Weka bomba na vifaa vya bomba bado kwa mkono kwa zaidi ya sekunde 30 baada ya kuziba ili kuzuia kuanguka mbali. Wakati wa kuponya Udhibiti

Wakati joto la mazingira ya ujenzi ni karibu 20 ° C, inapendekezwa kuwa wakati wa kuponya sio chini ya dakika 30; mazingira ya joto la chini (chini ya 10 ° C) inahitaji kupanuliwa hadi saa 1-2. Ni marufuku kuhamisha bomba au kufanya upimaji wa mkazo kabla ya kuponya kamili. Kwa wakati maalum wa kuponya, tafadhali rejelea maelezo ya bidhaa ya gundi ya bomba la AD kutumika.

IV. Tahadhari za usalama na ubora

1. Ulinzi wa usalama wa ujenzi

Vaa glavu za mpira wakati wa operesheni ili kuweka tovuti ya ujenzi vizuri na kuepuka mkusanyiko wa gesi tete za gundi. Ni marufuku kabisa kutumia gundi karibu na chanzo cha moto. Wakati wa kuhifadhi, inahitaji kufungwa na kulindwa kutokana na mwanga.

2. Matibabu ya Maswali Yanayoulizwa Mara kwa Mara

Ikiwa ni vigumu kuziba baada ya kuunganisha, inaweza kuwa kwamba maombi ni nene sana au bomba limeingizwa kwa mchepuko wa pembe. Uso unapaswa kutolewa mara moja na kusafishwa tena na kufunikwa tena na gundi; ikiwa kiolesura kinavuja, kiolesura kinapaswa kuondolewa baada ya gundi kupona kabisa, na operesheni inapaswa kuendeshwa tena kulingana na vipimo.

Kwa kufuata hatua zilizo hapo juu, ubora wa uhusiano wa bomba la PVC la bomba la AD unaweza kuboreshwa kwa ufanisi. Wakati wa mchakato wa ujenzi, tahadhari inapaswa kulipwa kwa maelezo ili kuhakikisha kwamba kila mchakato unakutana na vipimo, ili kuhakikisha uendeshaji thabiti wa muda mrefu wa mfumo wa bomba la PVC.


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