Karfe liyi ptfe kayan aiki yawanci sanya tare da fitarwa tashar jiragen ruwa, feed tashar jiragen ruwa, hangen zaman gaba madubi, da dai sauransu, amma yadda za a samu nasarar amfani da irin wannan tashar bututu a cikin hadaddun shugaban intersecting line, ba shakka, mu amsar ne waldi, to, yadda za a walda? Yadda za a sarrafa zafin jiki na ptfe waldi? A kasa muna gaya daya bayan daya.
Karfe liyi ptfe kayan aiki yawanci sanya tare da fitarwa tashar jiragen ruwa, feed tashar jiragen ruwa, hangen zaman gaba madubi, da dai sauransu, amma yadda za a samu nasarar amfani da irin wannan tashar bututu a cikin hadaddun shugaban intersecting line, ba shakka, mu amsar ne waldi, to, yadda za a walda? Yadda za a sarrafa zafin jiki na ptfe waldi? A kasa muna gaya daya bayan daya.
1, ptfe kai bututu bakin samar
PTFE bututu waldi a kan sealing kai da farko, ya kamata mu yi PTFE sealing shugaban bututun ƙarfe, bisa ga girman bututun ƙarfe diamita karfe shugaban kuma bisa ga wani rabo ta amfani da foda gyare-gyaren tsari masana'antu bututun ƙarfe, 8 hours of sintered karkashin 380 da ko rage 5 digiri Celsius, bayan kammala sintering mai kyau bututun ƙarfe tare da lathe mota zuwa daidai size, zuwa taya murna na PTFE tube a wannan lokacin da ka gama.
2, ptfe budewar kai
Sanya shugaban da aka cire a cikin shugaban karfe, kuma amfani da ka'idar watsa haske don buɗe kai daidai, kula da kai ptfe dole ne ya dace da shugaban karfe, ko kayan aiki na ƙarshe yana da haɗari ga kumbura, fashewa da sauran haɗari masu haɗari. .
3, ptfe bututu bakin walda
Ta matakai biyu na farko, za mu iya aiwatar da walda na PTFE.A nan mun san cewa akwai hanyoyi guda biyu na walda (welding matsa lamba da kuma zafi iska waldi).Za mu yi bayanin su daya bayan daya.
(1) zafin walda
Kafin zafi matsa lamba waldi ya kamata mu san zama dole ka'idar ilmi, zafi matsa lamba waldi ne wani irin zafi waldi, samar da isasshen zafi da kuma isasshen matsa lamba.A nan, dole ne mu tabbatar da cewa waldi dubawa zafin jiki dole ne kai 673.15k da matsa lamba ya kai 1-2mpa. .Saboda haka, domin tabbatar da waldi, muna bukatar mu yi m molds don tabbatar da nasarar kammala da thermal matsa lamba waldi.Lokacin da aka yi duk, da FEP fim za a iya welded ta hanyar matsawa da dumama da ke dubawa tsakanin bututun ƙarfe da kai.
(2) waldawar iska mai zafi
Hakazalika, ptfe zafi iska waldi ne mai irin zafi waldi, wanda shi ne da yawa sauki fiye da zafi matsa lamba waldi kuma baya bukatar haka da yawa kyawon tsayuwa.Bayan sanya bututu bakin, PFA waldi sanda da zafi iska waldi gun sama 713K ana amfani da preheat PFA da farko sa'an nan sanya shi a kan waldi kabu domin ci gaba waldi.
Lura: ko yana da zafi matsa lamba waldi ko zafi iska waldi zafin jiki zai zama mafi girma fiye da narkewa batu na ptfe, ptfe ne zai yiwu a karkashin zafin jiki fatattaka, samar a kan aiwatar da pyrolysis perfluorinated isobutylene da sauran guba gas, don haka waldi ya kamata a cikin. yanayi na samun iska, lokacin da yanayin bai yarda ba kamar waldawar tankin da ake samarwa na fluorine guda huɗu a samarwa dole ne a yi amfani da tabbacin isar da iskar fan da sanya abin rufe fuska don tabbatar da tsaro a lokaci guda.
Lokacin aikawa: Juni-24-2019