Yadda za a zabi manne wa roba

Iri na roba ne don haka da yawa, amma su duka fada cikin kungiyoyin biyu: thermoplastics da thermosets.

Saboda haka, domin high quality-gyara na roba kayayyakin bukatar mu san abin da irin roba an yi su, shi zai taimaka wajen sanin abin da manne wa manne da roba na wani rukunin. Ko da a cikin wannan alama uncomplicated zahiri da su dabaru. Alal misali, roba toys za a iya gyara ta amfani da wani al'ada soldering baƙin ƙarfe, amma ga karbalitovoy farantin toka mafi yi amfani da m ga roba iri BF-2. Ina ba da shawara ga la'akari da biyu kungiyoyin more, domin mu fahimci abin da tausasãwa na bonding karayar sassa.

Gyare-gyare da kuma gluing na thermosets

Abubuwan da wannan irin roba ba zai iya yi laushi, narke da kuma sake-nau'i, kuma idan abu ne karya, shi iya kawai manne. Daga wannan roba yin kayayyakinsa, turare kwalba, mashiga, lokuta domin wayoyin da kyamarori, kwasfa da matosai. Dukkan wadannan abubuwa iya karya ko crack zuwa fall, kuma za su bukatar gyara m for roba iri BF-2 da BF-4, kazalika da nitrocellulose, polyvinyl chloride da kuma polyvinyl acetate adhesives.

Bonding ne da za'ayi a dama, saukarwa:

1. Karaya ne a hankali tsabtace daga turɓaya da datti, kuma a tabbatar an degrease. A saboda wannan dalili da ya fashe a details mafi kurkura da ruwan zafi da kuma sabulu.
2. A hankali bushe da manne amfani da surface wani bakin ciki Layer da bushe shi don haka ba zai tsaya ga yatsunsu.
3. Na biyu m Layer ma aka yi amfani a duka saman da yarda ka tsaya ga 1-2 minti, bayan da sassan ake hada da sanya karkashin latsa.
4. A bushewa tsari yana 3-4 kwanaki.

Gyara da kuma bonding na thermoplastics

Robobi kungiyar thermoplastics sauƙi tausasa ta high zafin jiki da kuma zai iya narkar da a karkashin mataki na wasu kaushi. Wannan roba da ake amfani a yi na stationery alkalama, sabulu jita-jita, combs, spectacle Frames da yara toys. A baya can, wadannan abubuwa da aka sanya da combustible roba celluloid, amma yanzu shi ne ƙara maye gurbinsu da wadanda ba flammable cellulose acetate. Kuma ya da sauran roba narkewa a acetone. M na irin wannan za a iya sanya na roba kadai, wannan zai bukaci aiki a so roba irin sauran ƙarfi (2 sassa) da celluloid kwakwalwan kwamfuta (1 part). A sinadaran aka haxa da kuma adana a wani akwati da m murfi.

BONDING thermoplastic daban-daban daga thermosets, shi za a iya aiwatar a hanyoyi da dama:

1 hanya

Yankakken sassa lubricating sakamako a kan roba sauran ƙarfi, kuma jira har sai da tsaga gefuna zai zama m, sa'an nan ya ƙara sama da abubuwa da kuma sa a karkashin latsa don kammala hardening.

hanyar 2

Domin gluing amfani nitrocellulose m for roba alama "Mars", "C-1" da "MC-1".

3 Way

A gefuna da za a bonded an kona sama da haske ne amfani a cikinta, ko narkakkar azurfa, sa'ilin da tausasa baki sassa suna da alaka. Lokacin da dumama wajibi ne su hana kona, cewa kabu ya ba duhu.

Saboda haka, a gyara da abu yana na dogon lokaci da kuma ya ba su rasa tsari, shi ne zama dole a zabi mafi kyau m ga irin wannan roba. Bayan duk, kawai ya kamata a zabi m zai samar da wani abin dogara dangane.