Mkuwa wothira phosphor kwa brazing mkuwa

Kawirikawiri, pipeni zamkuwa zimagwiritsidwa ntchito pokonza kayendedwe ka madzi. Kuonjezera apo, zinthu izi zimagwiritsidwa ntchito popanga malo okhalamo monga steampunk. Mosasamala cholinga cha kugwiritsira ntchito zinthu ngati zimenezi, mapaipi amkuwa ayenera mwanjira inayake yogwirizana. Njira yosavuta yochitira izi ndi yamkuwa-phosphorous solder. Pachifukwa ichi, mgwirizanowo udzakhala wabwino komanso wotsimikizika. Pambuyo pake, mapangidwe ake adzakhala olimba ngati phukusi limodzi. Komabe, musanayambe kuyika soldering ndi phulusa-phosphor solder, ndi bwino kuphunzira zina mwazinthu zomwe mukufuna kugwira ntchito.

Zothandiza zokhudzana ndi mkuwa

Zakale zakale zasiliva zinayamba kugwiritsidwa ntchito. Lero, nkhaniyi yakhala yochepa kwambiri, koma kutentha ndi kayendedwe ka madzi opangidwa ndi mapaipi amkuwa ndi okhazikika kwambiri odalirika ndi osatha.

Kuyika kwa mizere imeneyi kumapangidwa ndi soldering. Pogwiritsa ntchito, zitsulo zimagwirizana ndi solder - chinthu chosankhidwa bwino, chomwe chimasungunuka chomwe chiyenera kukhala chochepa kuposa cha workpiece.

Kuchita soldering sikuli kovuta. Chinthu chachikulu ndikusankha mfundo zolumikizira molondola. Kwa ife, ndi phulusa-phosphorous solder. Komanso ndikofunika kusankha njira yothetsera soldering. Pali zambiri.

Njira zothandizira mkuwa

N'zotheka kugwirizanitsa mzere waukulu kuchokera ku mapaipi zamkuwa m'njira ziwiri:

• Kutentha kotsika. Njira iyi ndi yosavuta komanso yosavuta kugwiritsidwa ntchito pakhomo. Pachifukwa ichi, zotsekemera zonunkhira za tini, kutsogolo kapena mapeyala a zitsulo ndi kuwonjezera gawo la siliva ntchito. Pa kutentha kosakanikirana, kutentha kwa kusamba kwa phosphor solder siposa madigiri 450.
• Kutentha kwambiri (kolimba). Kutsekemera koteroko kuli kovuta komanso kofunika kukonza pakhomo, chifukwa panthawiyi, kusungunuka kwa mfundoyi kuyenera kukhala pakati pa 600 ndi 900 madigiri.

Kodi ndi zida ziti zomwe mukufuna kuzigwiritsa ntchito?

Kuti mumagwirizanitse msewu waukulu, muyenera kukonzekera mwamsanga zida zotsatirazi:

• Truborez. Popanda izo, sizingatheke kudula zinthu za thunthu mofanana. Mothandizidwa ndi chodula chitoliro, mungathe kukonza bwino.

• Faskosnimatel. Chida ichi ndi chofunikira pozungulira ndi kutseka pamphepete mwa chitoliro chodula, kuti mukwaniritse mapangidwe apamwamba olowa nawo mbalizo.
• Kutumiza. Ngati kugwiritsidwa ntchito kwa mapuloteni ndi kukonzekera kumakonzedwa pa ntchito, ndiye chifukwa cha chida ichi ndizotheka kuti mwamsanga muwonjezere gawo la chitoliro ku kukula komwe mukufuna.
• Ruffles ndi maburashi. Pambuyo pa soldering, mapaipi ayenera kutsukidwa ndi mafakitale.
• Wosinkhasinkha. Amagwiritsidwa ntchito pamphuno ya moto woyaka moto kuti awatsogolere moto kumadera ena. Ngati chowonetseracho sichiikidwa, pali chiopsezo chowononga zinthu zozungulira.
• Galimoto yotentha gasi. Ndiwothandizira kutentha kwa phulusa-phosphorous solder ikuchitika.

Chida chomaliza chogwira ntchito chiyenera kuuzidwa pang'ono pang'ono.

Galimoto yotentha gasi

Kuti pipeni ikhale yosungunuka bwinobwino, chisamaliro chiyenera kutengedwa kuti chisankhe yoyaka yoyenera. Zida ndi:

• Ndi mabotolo omwe amataya (m'nyumba).
• Ndi baluni yosungira.
• Acetyl-oksijeni.

Mtundu wotsirizawu ndi woyenera kulumikiza mapaipi amkuwa. Ndizowotcha motero zomwe ziyenera kugulidwa.

Komanso, zipangizo zimasiyana ndi mphamvu ya kutentha kwa solder. Kutentha kumatentha kwambiri, chipangizochi ndi champhamvu kwambiri. Motero:

• Kwa solder yofewa, yoyaka yotsika mtengo komanso yopanda mphamvu ndi yoyenera. Choncho, mutha kugula chipangizo chokhazikika ndi mpweya thermofan. Chowotcha choterocho chingakhale ndi kutentha mpaka madigiri 650. Chofunika kwambiri cha chida chotero ndicho mphamvu yakulamulira kukula kwa lawi la moto. Choncho, n'zotheka kusankha chisamaliro chabwino cha kutentha kwa madzi.
• Kwa solder yolimba, chida cha akatswiri chidzafunidwa, mtengo umene ungakhalepo kangapo. Choncho, sikungakhale kwanzeru kugwiritsa ntchito ndalama pa izo, koma ngati mukufunadi, ndiye bwanji osatero.

Solder

Musanagwiritse ntchito phulusa phosphorous solder mapaipi, muyenera kugula zinthu zomwe zingakhale ngati chigawo chosakanikirana. Solder imakhalanso ndi mitundu iwiri:

• Okhazikika. Solder yoteroyo imapangidwa ngati mawonekedwe aatali. Zopangidwa ndi Cu94 P6 ndi Cu92 P6 Ag2 zothandizira zowonjezereka zikuphatikizapo 6% phosphorous yowonjezera, choncho chidziwitso chapamwamba chokhazikika ndi madigiri 750. Kwa ogulitsa a mtundu wina, palibe zinthu zomwe zimachepetsa kutentha kotheka, kotero iwo akhoza kuyaka mpaka madigiri 900. Zida zamagetsi zimagwiritsidwa ntchito pophatikiza mapaipi a gasi, mpweya wabwino ndi mapaipi amadzi otentha, komanso kukhazikitsa mizere yapamwamba ya mavuto.
• Zofewa. The solder ya mtundu uwu amapangidwa ngati mawonekedwe woonda, omwe mwake sakhala oposa 3 mm. Zinthu zofewa zimagwiritsidwa ntchito kwambiri pamoyo wa tsiku ndi tsiku, pokonzekera magetsi.

Kuonjezerapo, tikulimbikitsidwa kuti tigule kuchuluka kwa wogulitsa phulusa phosphorous. Chinthuchi chogulitsidwa m'zitini ndizofunika kuti aziyeretsa mofulumira bwino magulu a mapaipi. Zomwe zimayenda bwino zimachotsa oksidi kuchokera ku seams, chifukwa chomwe makhalidwe a solder amathandizira kwambiri. Kuonjezerapo, gawoli limalimbikitsa kuyika kwa solder ndi mkuwa pamwamba pake.

Sakanizani amapangidwa kwa zofewa ndi zolimba solder. Choncho, kusankha kusinthasintha ndikofunikira chifukwa cha njira yosankhira mapaipi.

Kuwonjezera pa kutsekemera, zotentha ndi zida zina, zimalimbikitsidwanso kukonzekera zowonjezera. Zidzakhala ngati mukuyenera kusinthana pazipangizo zamadzi. Zinthu izi ndi zotsika mtengo.

Copper-phosphor solder kwa brazing mkuwa: zinthu

Ngati tilankhula za nkhaniyi, tiyenera kumvetsetsa kuti zimasiyanasiyana zabwino. Ikhoza kugwiritsidwa ntchito osati kokha kwa mkuwa, komanso kwazitsulo zina.

Popeza kuti phosphorous ili ndi pulogalamuyi, yomwe ili ndi kutukuka kwa madzi, kutuluka sikungathe kugulitsidwa.

Ogulitsa mtundu wa Copper-phosphorus nthawi zambiri amagwiritsidwa ntchito kugwirizanitsa zinthu mu zipangizo zomwe zimakhala ndi katundu wothamanga. Ngati malembawo akuphatikizapo siliva, ductility ya zigawozi zikuwonjezeka.

Ogulitsa osiyanasiyana kwa mkuwa

Pogwiritsa ntchito mapaipi kuchokera muzinthu izi, zipangizo zotsatirazi ndizoyenera:

• 102. Mu gawo la magawo atatu la mkuwa ndi phosphorus mulibe zoposa 2% za siliva. Chifukwa cha kuchepa kwa pulasitiki, zolembazo zimafalikira pang'onopang'ono. Zokwanira pa zinthu zowonongeka zomwe sizikumana ndi mantha aakulu kapena kuthamanga.
• 105. Solder phosphorus solder ndi siliva (5%) imafalikira pang'onopang'ono, koma ili ndi pulasitiki yapamwamba. Msoka womwe unathandizidwa ukhoza kupirira zochepa zazing'ono kuchokera kumagwedezeke.
• 115. Chinthu china chokhazikitsira magawo atatu, omwe, kuphatikizapo mkuwa ndi phosphorous, ali ndi siliva 15 peresenti. Izi ndi zinthu zopangidwa ndi pulasitiki, zomwe mungapange magalimoto pamsewu, ndikukumana ndi katundu wolimba kwambiri.

Kusankha zigawo zonse zofunika, kumakhalabe kuyamba kugwira ntchito.

Brazing ndi soft solder

Kuwomba kwa kutentha kwapansi kumapangitsa kukonza makina otentha kapena madzi ngati kutentha kwawotentha sikudutsa madigiri 130, ndipo mapaipi a zamkuwa sali oposa 10 cm.

Kuti mupange soldering, muyenera:

• Peel zowonjezera.
• Ikani kusintha kwa iwo.

• Sakanizani zinthu mkati mwa wina ndi mnzake.
• Sakanizani malo ogwirizana ndi zotentha mpaka madigiri 200-250.
• Ikani solder kumphepete mwa zigawozo.
• Kusunthira nthawi zonse zotentha, kutentha kugwirizana kwa masekondi 15-20.
• Pamene kutuluka kumakhala mdima, muyenera kuika zowonjezera pang'onopang'ono pa gawo la soldering. Pamene nkhaniyo ili kutentha, imayamba kusungunuka ndi kudzaza danga pakati pa chitoliro ndi belu.

Brazing ndi solder

Njira imeneyi yolumikizira mapaipi ndi yofunika ngati kutentha kwa kayendedwe ka mapaipi kupitirira madigiri 110. Pachifukwa ichi, soldering ikuchitidwa ndi njira yamoto ndipo kumagwiritsidwa ntchito powonjezeredwa.

Pogwiritsira ntchito mfundo zolimba, palibe chifukwa chochitira mankhwala opaleshoni.

Kuti mugwirizanitse, muyenera:

• Sungani ndi kubwezeretsanso msonkhano wothandizira.
• Lembani solder wathanzi kumalo kumene belu ndi chubu zimagwirizana.
• Sungani zinthuzo ndi gasi. Izi ziyenera kutsimikiziridwa kuti mankhwalawa sagwedezeka, choncho ndibwino kuti wopserezayo azisuntha nthawi zonse.
• Pamene choyamba chimagwirizanitsa thunthu chimachitika, tembenuzani chitoliro ndikuwombera solder yosungunuka kufupi ndi gawo.

Njira yothetsera soldering ndi yovuta kwambiri kuposa njira yapitayi, koma ili ndi ubwino wambiri:

• Maseŵerawa amakhala otalirika komanso odalirika.
• Zimakhala zotheka kuchepetsa kuchepa kwazowonjezera, kuti msoko uwoneke bwino.

Kuonjezera apo, njirayi ikugwiritsidwa ntchito pakuyika machitidwe omwe amagwira ntchito pa kutentha kwakukulu.

Brazing wa mkuwa ndi mkuwa-phosphor solder ikugwiritsidwa ntchito pogwiritsa ntchito teknoloji yomweyo.

Zolakwitsa zomwe zingathe kulekerera pokhakha

Pogwira ntchito, anthu ena samaganizira zolakwika pa malo a zinthu zomwe zikugwirizana. Kawirikawiri amapezeka atadula mapaipi. Ngati musiya zolakwika izi mosasamala, ndiye mthunzi sungakhale wodalirika momwe uyenera kukhalira.

Kuthamanga kuyenera kugwiritsidwa ntchito mofanana, popanda kusowa. Ngati palibe papepala iliyonse, pipeline ikhoza kuyamba kutentha mofulumira.

Ngati chitoliro chikuwotcha, phala losakaniza lidzangotentha. Izi sizilinso zabwino kwambiri.

Kuntchito, n'zosavuta kuti ziwotchedwe kwambiri (osati kuchokera kumoto wa moto woyaka moto, komanso kulankhulana ndi zinthu zowonongeka), kotero musanayambe kutsekemera, valani magolovesi oteteza, mapepala ndi zovala.