Chodalirika ndi ntchito zake zosiyanasiyana mphira yaiwisi

Mphira kuyambira nthawi ya atulukira America ndi Columbus. Amwenye ntchito utomoni yamkaka wa mphira mtengo Hevea kuti asindikize bottoms mabwato, kupanga mbale, madzi nsapato, komanso kupanga mipira. Koma mu Europe kwa matayala nthawi yaitali si chimagwiritsidwa ntchito (mpaka m'ma XIX). Ndipo onse chifukwa mphira yaiwisi pa nthawi youma ndi timauma. The ndondomeko Kutulukira akubwerera mphira koyamba katundu komanso kutentha olimba analenga Boom wake weniweni kupanga nkhani mphira.

Monga mphira munda sanathe kupereka kufunika likunena kukula, pa nthawi, njira ina yodalirika mphira kupanga, lomwe masiku ano tikugwiritsabe ntchito. Mu masiku popanga ndi yaiwisi jombo ndi mphira mankhwala. Mu maonekedwe ake yaiwisi ntchito kupanga mankhwala osiyanasiyana, monga ulamuliro - kudindidwa ndi kukonza matayala galimoto ndi makamera otentha njira (kuchiritsa). Kuyambira zosakaniza kupereka zosiyanasiyana mankhwala ntchito pafupifupi m'magulu onse. Onse limodzi ndi zinthu zina amapezeka mu mawonekedwe a mapepala kapena mosalekeza Mzere (ukonde). Pangano iwo akhoza kukhala osiyana kwambiri - thanzi, zakudya, dielectric, mafuta zosagwira, etc.

Ntchito mphira yaiwisi zokonzera matayala

Ziziyenda zambiri takumana ndi milandu kuwonongeka mawotchi tayala (komanso makamera). Nthawi zambiri, tayala kuonongeka zikhoza kukonzedwa. Izi zikhoza kuchitika ozizira ndi otentha vulcanization. Cold imagwiridwa ntchito zikuchokera wapadera (butyl activator wosanjikiza), ndi otentha vulcanisation - labala.

The zigawo zikuluzikulu pawiri mphira ndi vulcanization ozizira imagwiridwa popanda kutentha mankhwala. Njira amatenga nthawi yaitali ndipo amafuna potsatira kwambiri luso anakhazikitsa. Hot akuchiritsa angathe kuchitidwa mu zonse, kuphatikizapo ndi m'munda zinthu. Izi zimafuna chabe mphira yaiwisi ndi vulcanizer. Akuchiritsa kungakhale n'kupuma, kunyamula (akuthamanga kuchokera 220) ndi kunyamula (galimoto kuthamanga pa Intaneti).

Kodi kugwiritsa ntchito labala yaiwisi pa vulcanization

Choyamba, malo owonongeka ayenera bwinobwino kutsukidwa dothi, kuchitira sandpaper ndi degrease. Ndiye muyenera kuika pa chigamba kudula kuchokera labala ndipo anaikidwa vulcanizer a. Pofuna kupewa guluu wolimba pakati chigamba ndi pa Kutentha amafotokozera ndi amangoona pepala amaika mumsewu.

Yosakongola mphira limawoneka ngati mtundu wina wa osakaniza pulasitiki, imene vulcanization likulowerera mokwanira mwakuya chotupa ndi adzatsekeredwa embeds izo. Pamene usavutike, amakhala amphamvu, koma amakhalabe kusintha. Kutentha pa zomwe akuchiritsa amapezeka ndi za 140-160 ° ^C. Anawo kutentha izi (anatsimikiza mtima kusintha mtundu wa pepala) vulcanizer sakukhudzidwa. Kamodzi mankhwala kwathunthu utakhazikika, ndi wokonzeka ntchito zina.

Osavomerezeka Pewani kukwezeka kutentha pa 160 ^{° C,} ngati umenewu umatipatsa desiccation wa jombo ndi, monga Motero - imfa ya elasticity.