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Mfundo zofunika kuziganizira pomanga zitsulo - mizere ptfe chitoliro

M'moyo watsiku ndi tsiku tikhoza kuona chubu ptfe, kotero, ptfe chubu m'kati processing tiyenera kulabadira zimene nkhani?

Pomanga zitsulo zokhala ndi PTFE chitoliro, mfundo zotsatirazi ziyenera kukumbukiridwa:

1. Chitoliro chosasunthika chachitsulo molingana ndi kukula kwenikweni kwa zinthu, chitoliro chachitsulo ndi kuwotcherera mphete, mpheteyo imatha kugwiritsa ntchito kuwotcherera kwa argon arc, kuwotcherera splash ndi fayilo kuyeretsa, ndi fillet weld mu ngodya yozungulira, palibe lakuthwa. m'mphepete.

2. Gwirani kabowo kakang'ono kumapeto kwa chitoliro chachitsulo, lembani bwino, ndipo musatseke.Bowoli limagwiritsidwa ntchito potulutsa mpweya wotsalira pakati pa chitoliro chachitsulo ndi chitoliro cha tetrafluoroethylene pakuwotha, ndipo imagwiritsidwa ntchito kuwona ngati chitoliro cha tetrafluoroethylene chawonongeka ndikutuluka pakuyezetsa kukakamiza.

3. Chitoliro chachitsulo chiyenera kukhazikitsidwa kale chisanachitike.Cholowacho chidzasonkhanitsidwa ndi golide wa asbestos wa makulidwe oyenera, kuti agwirizane ndi zofunikira zonse za kukula pambuyo pakuyala.

4. pambuyo pa msonkhano wa zitsulo chitoliro chosakanizidwa ndi mchenga kuphulika mankhwala, kuchotsa mkati khoma dzimbiri, ndiyeno ndi wothinikizidwa mpweya kuyeretsa chubu patsekeke.Ikani chubu la tetrafluoroethylene mu chubu chachitsulo.Ngati ena tetrafluoroethylene chitoliro si kuzungulira ndipo sangathe anaikapo, madzi otentha, nthunzi kapena sing'anga pafupipafupi Kutentha ng'anjo ayenera kugwiritsidwa ntchito kutenthetsa chitoliro tetrafluoroethylene, kutentha kutentha si upambana 100 ℃.

5. Ganizirani kutalika kwa flanging podula chitoliro cha teflon.Nthawi zambiri, kutalika kwa 35-40 kumayikidwa pambali pamwamba pa mphete yowotcherera.Gasito lagolide la asbestos liyenera kuyikidwa pa chubu la TEflon lisanawombe.Kumangirira chubu cha teflon mu masitepe awiri, choyamba kukhala belu, ndikumangirira uku pogwiritsa ntchito chidutswa cha aluminiyamu cha tapered.Pamene flanging, kutentha vivipary ndi lawi la oxyacetylene.Kutentha kwa chipangizocho kumayesedwa ndi semiconductor surface thermometer.Kutentha kusakhale kokwera kwambiri.Kutentha kuyenera kuyendetsedwa pakati pa 260 ℃ ndi 280 ℃.Pamene flanging, pang'onopang'ono akanikizire pansi mkangano tapered kubala.Chovalacho chikafika m'mphepete mwa mphete yowotcherera, musakanizenso.Panthawiyi, muziziziritsa ndi madzi ndipo chotsani zida zoberekera zikazizira mpaka kutentha kozungulira.The flanging wa sitepe yachiwiri mowonjezera plasticizes nozzle.Iyi ndi yafulati.

6. mutatha kutentha, yesani pang'onopang'ono ndikusindikiza kwathunthu, kenako kuziziritsa ndi madzi kutentha kozungulira, ndikuchotsa pulagi.

7. Chitoliro cham'mimba chokhala ndi mbale yabwino yakhungu, mu silinda yapadera yotentha yolumikizidwa ndi chubu cha mpweya wothinikizidwa, kutenthetsa silinda ndi njira yapakatikati yotentha yotentha, kuti kutentha kwapaipi mpaka pafupifupi 280 ℃, kenako pang'onopang'ono. 8-LOKGF/cm2 wothinikizidwa mpweya.Ikani chubu cha tetrafluoron mu thanki yamadzi, kumiza chubu m'madzi, pang'onopang'ono kudutsa mu mpweya woponderezedwa wa 15kgf / cm2, fufuzani ngati pali thovu pa dzenje, ngati zapezeka, zimatsimikizira kuti chubu cha tetrafluoron chasweka.Chifukwa chake makamaka chifukwa cha kutentha kosafanana kapena kuthamanga kwa inflation mwachangu kwambiri.Chitoliro chachitsulo chokhala ndi mizere chiyenera kusindikizidwa kumbali zonse ziwiri ndi matabwa akhungu kuti asawonongeke chitoliro cha tetrafluoron.


Nthawi yotumiza: May-23-2022