Harshen wuta na zafi yana feshin kayan aikin thermoplast roba

Harshen wuta na zafi yana feshin kayan aikin thermoplast roba

Gabatarwa

PECOAT® PECT6188 sanye take da keɓaɓɓen bakin karfe mai ƙarfi mai ƙarfi foda wanda ke ba da damar yin amfani da bindigogin fesa lokaci guda. Yana da guguwa powdered gado mai ruwa tsarin samarwa tare da daidaitacce venturi foda absorber da foda mai tsabta. Ci gaba da ƙara foda zuwa mai ciyarwa yana tabbatar da dogon lokaci, kwanciyar hankali, da daidaiton aiki na bindigar feshi. Yanayin haɗaɗɗun iska na musamman da tsarin kariya mai Layer biyu na bindigar feshi yana hana duk wani zafin rai yayin aikin fesa. Yana ba da damar aikace-aikacen EAA da sauri, EVA,PO, PE, epoxy kazalika da sauran thermoplastic da thermoset roba foda. Fushi guda ɗaya na iya ƙirƙirar kauri daga 0.5mm zuwa 5mm.

An ƙera bindigar feshin don yanayin haɗakar iskar gas na musamman da tsarin iskar gas mai karewa Layer Layer, kuma ba za a sami zafi a cikin aikin fesa ba. Yana iya sauri fesa ethylene-acrylic acid copolymer EAA, ethylene-vinyl acetate copolymer. EVA, polyolefin PO, polyethylene PE, polyethylene giciye, epoxy foda, chlorinated polyether, nailan jerin, fluoropolymer foda da sauran thermoplastic foda da thermosetting filastik foda akan ginin ginin. Daya spraying iya samar da wani shafi na game da 0.5-5mm, Ya dace da gina sinadarai shigarwa, manyan kwantena, ajiya tankuna, man fetur da iskar gas da kuma sauran kan-site gini.

Kayan aiki Abun da ke ciki

  1. Gun feshin harshen wuta mai ƙarfi, mai ba da foda, bawul mai daidaitawa.
  2. Ana buƙatar masu amfani don samar da nasu 0.9m3/min iska compressor, oxygen, acetylene, oxyacetylene matsa lamba rage mita, da bututu.

Features

Rufin yana da kauri, yana tabbatar da dorewa da kariya. Ayyukan yana da sauƙi kuma mai amfani. Kayan aikin yana da nauyi kuma mai ɗaukar nauyi, yana sauƙaƙe jigilar kayayyaki.

Abubuwan amfani sun hada da:

  1. low cost saboda babu bukatar musamman feshi ko bushe da dakuna. Bugu da ƙari, ɗaukar kayan aikin yana ba da damar yin gini akan rukunin yanar gizon ba tare da iyakancewa dangane da girman kayan aiki ko siffa ba.
  2. Ana iya amfani dashi a ƙarƙashin yanayi daban-daban na muhalli kamar 100% dangi zafi da ƙarancin zafi.
  3. Mai jituwa tare da kewayon kayan matrix da suka haɗa da ƙarfe, siminti, da dai sauransu, yana ba da izinin aikace-aikacen da yawa.
  4. Rufin yana ba da gyare-gyare; Ana iya gyara ƙananan lahani cikin sauƙi ta dumama saman yayin da manyan lahani za a iya sake fesa gaba ɗaya idan an buƙata.
  5. Foda da canje-canjen launi suna da wuyar aiwatarwa.

Misalai na Aikace-aikace

  1. Daban-daban kwantena masu jure lalata don barasa, giya, madara, gishiri, abinci, da kayan aikin najasa; Ma'aikatar wutar lantarki ta wutar lantarki ta tankunan ruwa da suka haɗa da tankunan ruwa na ultrafiltration, tankunan ruwa na farko, tankunan ruwa na biyu, tankunan ruwa da sauran matakan rigakafin lalata na ciki.
  2. Daban-daban aikace-aikace a karfe tsarin anticorrosion, ado, rufi, sa juriya da gogayya rage: Petrochemical da ikon shuka babban ajiya tank da bututu waldi gyara ta amfani da biyu-Layer PE ko uku-Layer PE anti-lalata coatings; hanyoyin tsaro na babbar hanya; sandunan fitilu na birni; injiniyan grid filin wasa; famfo ruwan famfo; magoya bayan sinadarai; na'urar bugu nailan rollers; mota spline shafts; electroplating hangers.
  3. Tsarin ƙarfe na ruwa da wuraren tashar tashar jiragen ruwa kamar tushen gada, magudanar ruwa, gadoji na faranti, tulin bututun ƙarfe, tulin tulin, tresles, da buoys don hana lalata ruwan teku.

Hotunan Fasa Bindiga

Tsarin Fasa Harshen Harshen

The harshen spraying tsari da farko ya ƙunshi substrate surface pretreatment, workpiece preheating, harshen wuta spraying, ganewa, da sauran procedural st.eps.

  1. Substrate pretreatment surface: Manyan abubuwa ko kwantena za su iya jurewa matakai kamar sandblasting, polishing, pickling, ko phosphating don kawar da saman mai, tsatsa, ko wasu abubuwa masu lalata. Bincike ya nuna cewa fashewar yashi da phosphating sune hanyoyin da suka fi dacewa don haɗawa da murfin feshin harshen wuta.
  2. Preheating: The workpiece ta surface dole ne a mai tsanani sama da narkewa batu na roba foda kafin aikace-aikace. Wannan matakin yana da mahimmanci kuma ana iya samunsa ta amfani da bindigar fesa wuta. Foda daban-daban na filastik da sifofi/ ƙayyadaddun ƙayyadaddun aiki na buƙatar yanayin zafin zafi daban-daban. Cikakken bayani a kan daban-daban roba powders' shawarar workpiece preheating yanayin zafi da aka bayar a cikin wadannan fesa sigogi.
  3. Ƙarfin wuta na bindigar fesa yana da ƙarfin ƙarfin iskar gas da kuma yawan kwararar ruwa, tare da wutar lantarki mai ƙarfi wanda ke haifar da lalata foda na filastik, yayin da ƙananan wutan iskar gas yana haifar da mummunan mannewa da rashin cikar filastik. Ƙarfin wuta musamman depends akan girman ɓangarorin foda na filastik, inda ƙaƙƙarfan foda ke buƙatar feshin harshen wuta mai ƙarfi da kyaun foda suna buƙatar fesa wuta mai ƙarancin ƙarfi.
  4. Nisa Fasa: Lokacin amfani da foda na thermoplastic tare da girman barbashi na kusan raga 60-140, nisa da aka ba da shawarar yana kusa da 200-250mm. Don thermosetting filastik foda tare da girman barbashi na kusan raga 100-180, yana da kyau a kula da nisa mai nisa tsakanin 140-200mm.
  5. Matsakaicin iska, carbon dioxide, da nitrogen ana amfani da su azaman iskar kariya yayin ayyukan feshi. Daga cikin su, carbon dioxide yana ba da ingantaccen sakamako mai sanyaya yayin da nitrogen ya dace da kariya ta fesa kayan nailan. Ƙaƙƙarfan foda na buƙatar ƙarancin kariya ta iska idan aka kwatanta da foda mai kyau. Matsayin da aka ba da shawarar don iskar gas mai karewa daga 0.2 zuwa 0.4MPa.
  6. Gabaɗaya magana, adadin ciyarwar foda don robobin da aka fesa wuta ya faɗi tsakanin kewayon 60 zuwa 300g/min. Idan ana son kauri mai rufi fiye da 0.3mm ba tare da wani pores ba a cikin rufin rufin, wannan adadin ciyarwa ya kamata a kiyaye shi daidai.
  7. Dangane da nau'ikan robobi daban-daban da ake amfani da su, lokacin amfani da foda mai adadin 300g/min da nufin kauri na fim na 1mm a cikin sa'a ta amfani da bindiga mai fesa guda ɗaya na iya samun ingantaccen aiki daga 12 zuwa 15m² / awa.
  8. Ya kamata a zaɓi hanyoyin ganowa cikin hankali bisa ga buƙatun kauri na fim; yawanci yin amfani da ma'aunin kauri ko na'urorin gano leak na EDM.

Aikin Shiri    

  1. Mai kwampreshin iska: Kwamfutar iska ya kamata ya sami matsuguni na aƙalla 0.9m3/min da matsa lamba mai aiki daga 0.5 zuwa 1Mpa. Ya kamata ya isar da busasshiyar iska mai tsabta a cikin kayan aikin feshi bayan wucewa ta hanyar tace mai da ruwa.
  2. Haɗin bututun fesa gun da foda: Haɗa babban tiyo mai matsa lamba tare da diamita na ciki na φ15mm zuwa jimillar mahaɗin shigar iska na foda feeder. Sa'an nan kuma, haɗa haɗin bawul ɗin ƙwallon iska na hagu da dama a wurin ma'aunin ma'aunin iska na foda feeder zuwa riƙon bindigar fesa ta amfani da babban tiyo mai matsa lamba mai tsayin ciki na φ10mm. Hakanan, haɗa haɗin haɗin gas mai kariya na ƙasa na hagu (ɗaya don kowane bindiga mai fesa). Haɗa madaidaicin hoses na filastik tare da diamita na ciki na φ12mm bi da bi zuwa ga haɗin gwiwa na ciyar da foda na hagu da dama, da kuma zuwa ga haɗin gwiwa na ciyar da foda na ƙasan dama akan kowane riƙon bindiga mai fesa (kowane rukuni yana da bindiga guda ɗaya). An ƙera mai ciyar da foda don fesa lokaci guda da bindigogin feshi guda biyu. Idan aka yi amfani da bindigar feshi guda ɗaya, ko dai na hagu ko dama na gurɓataccen iska da haɗin abinci na foda za a iya rufe shi daban.
  3. Fesa bindiga da haɗin bututun iskar gas na iskar oxygen/acetylene: Kai tsaye haɗa bututun iskar gas na acetylene zuwa babban haɗin iskar gas acetylene na hagu a bayan hannun bindigar fesa, sannan ta haɗa tiyon oxygen kai tsaye zuwa mai haɗin iskar oxygen na dama na sama a bayansa.
  4. Aiki na fesa: Fara tafiyar da kwampreshin iska na mintuna 3-5 har sai an kai ma'aunin ma'aunin iska mai karanta ≥5MPa akan sashin mai ciyar da foda. Cire manyan matosai da ke kan murfin babba da ƙananan ɓangaren ganga ɗin sa a gaba da agogo baya; Buɗe bawul ɗin busa baya a gaba da agogo baya don cire duk sauran foda daga ganga/bututun abinci; kusa da baya busa bawul a gefen agogo; a ƙarshe toshe baya manyan skru da aka cire a baya.

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