Lokacin da kuka ce 'bakin karfe flange', yawancin samarin siyayya suna tunanin wani abu na kayayyaki. Bincika ma'aunin ASTM A182, daidaita ma'aunin matsa lamba, sanya oda. Anyi. Amma a nan ne cire haɗin farko ya faru. Takaddun bayanai sun gaya muku abin da ya kamata ya kasance, ba abin da yake bayan an yi shi ba, ko mafi muni, bayan ya kasance yana aiki tsawon watanni shida a cikin yanayi mai wadatar chloride. Fahimtar gaske tana farawa ne lokacin da kuka ga flange 316L, wanda ake tsammani cikakke akan takarda, haɓaka lalatawar damuwa akan ramukan kulle saboda shagon mashin ɗin ya yi amfani da kayan aikin da suka yi amfani da shi don ƙarfe carbon, yana gabatar da gurɓatawa. Wannan shine gibin da babu PDF zai iya cikawa.
Tatsuniyar Material da Gaskiyar Mashina
Bari mu yi magana maki. 304, 316, 316L, 904L, Duplex 2205. Kowa yana jefa waɗannan lambobi. Rikicin gama gari yana tsammanin 316 shine kawai 'mafi kyau' fiye da 304. Ya fi jure lalata, i, amma kuma ya fi na'ura. Yana aiki - yana taurare kamar mahaukaci. Na ga ƙwararrun mashinan sun lalata jabun jabun bakin karfe flange blanks saboda sun yi amfani da ƙimar abincin da ba daidai ba, ƙirƙirar shimfidar wuri mai taurare wanda ya sa fuskar wurin zama ta gasket ta ƙare. Bangaren ya kasance cikakke daidai gwargwado, duk da haka guntun aikin.
Wannan shine inda haɗin gwiwa tare da kafaffen kayan aiki wanda kuma ke sarrafa injina a cikin gida, kamar QSY akan a tsingtaocnc.com, yana haifar da bambanci mai ma'ana. Sun shafe shekaru talatin suna yin haka, don haka tsarin su ba a kwance yake ba. Mutumin da ke tafiyar da CNC ya san tsarin hatsi da ke fitowa daga simintin saka hannun jari ko tsarin ƙirar harsashi. Ya san cewa don babban matsi mai ƙarfi mai ƙarfi, kuna iya buƙatar daidaita tsarin mashin ɗin don alloy Duplex tare da daidaitaccen 316L don kiyaye daidaiton lokaci da kaddarorin lalata. Wannan shi ne ilimin da ba ka samu daga shagon aiki wanda kawai ya sayi kayan danye.
Na tuna wani aiki don layin sanyaya ruwan teku. Bayani na ASTM A182F316L Mun samo flanges daga mai samar da kayayyaki. Sun wuce duk MTR cak. Duk da haka, a cikin shekara guda, mun sami fuskar da ta taso. Binciken gazawar ya yi nuni ga abubuwan da aka haɗa da ƙananan ƙananan abubuwa-hanyoyin ƙarfe na kyauta-mai yiwuwa an haɗa su yayin gogewar ƙarshe. Ba a sarrafa tsarin mai ba da kaya don gurɓatawa. Darasi ne mai raɗaɗi cewa ƙa'idar kayan ta yi kyau kamar tsarin ƙarshe da ya bi.
Haɗin Haɗin Kai: Yana cikin cikakkun bayanai
Fuskar flange ta ƙare. RF, FF, RTJ. Ma'aunin ASME B16.5 yana ba ku kewayo don Ra (matsakaicin rashin ƙarfi) akan fuska mai tasowa, yawanci 125 zuwa 250 μin Ra. Amma buga lamba ba shine burin ba. Manufar ita ce ƙirƙirar saman rufewa wanda baya yin gall a ƙarƙashin juzu'in abin rufewa kuma yana ba da damar gasket ɗin ya gudana yadda ya kamata. Santsi sosai, kuma kuna haɗarin zamewa; mai kauri sosai, kuma kuna tauna gaskets masu laushi. Dole ne in yi amfani da profilometer mai ɗaukuwa a wurin don tabbatar wa abokin ciniki cewa matsalar ɗigon su ta samo asali ne daga fuskar gama-bakin madubi da ba ta da takamaiman bayani, ba daga gasket ɗinmu ba.
Daidaitaccen rami na Bolt. Sauti maras muhimmanci, daidai? Amma tare da manyan diamita, faɗi 24-inch Class 150 bakin karfe flange, thermal faɗaɗa da machining tolerance stacking iya cizon ku. Idan an huda ramukan aron ƙyalli tare da flange kwance, amma an haɗa shi cikin bututun da ke gudana a tsaye, nauyin na iya haifar da ɗan murdiya. Kuna ƙarewa da kusoshi waɗanda ba za su zamewa cikin yardar kaina ba. Gyaran? Wani lokaci yana ƙayyadaddun cewa ramukan ƙulla suna ƙarewa bayan an haɗa kushin walda, ko aƙalla tabbatar da mai ƙirƙira yana amfani da jig ɗin da ke kwaikwayi tsarin da aka shigar. Waɗannan ƙananan sarrafawar tsari ne ke raba ingantaccen shigarwa daga filin sake yin mafarki mai ban tsoro.
Sannan akwai wuyan walda da mahawarar zamewa. Don nauyi mai ƙarfi ko yanayin zafi mai tsayi, wuyan walda shine sarki. Canjin cibiya mai ɗorewa yana rarraba damuwa. Amma na ga zamewa-kan flanges da aka ƙayyade don tanadin farashi akan layin tururi, kawai don samun walƙiyar fillet a mahadar cibiya zuwa bututu daga hawan keken zafi. An share ajiyar kuɗin farko sau goma ta hanyar rufewa da gyarawa. Zaɓin ba kawai game da ƙimar matsin lamba ba; game da halayen tsarin ne - yadda yake zafi, sanyi, girgiza.
Simintin gyare-gyare vs. Ƙirƙira: Zaɓin yanayi
Tsoffin masana'antu don sabis mai mahimmanci ƙirƙira ce ta flanges. Kyakkyawan kwararar hatsi, ƙarfi mafi girma, ƙarancin lahani masu yuwuwa. Zaɓin lafiya ne. Amma ga hadaddun, ƙaramar ƙaranci, ko ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun simintin simintin gyare-gyaren simintin gyare-gyare mai inganci hanya ce mai yuwuwa kuma galibi ta fi tattalin arziki. Makullin shine 'high-quality'. A harsashi mold simintin gyaran kafa daga gwani kamar Qingdao Qiangsenyuan Technology Co., Ltd.(QSY) na iya cimma yawa da kaddarorin injina waɗanda suka dace da ƙa'idodin ƙirƙira don aikace-aikace da yawa, musamman ma lokacin da kuke ma'amala da galoli na tushen nickel waɗanda ke da mafarki mai ban tsoro don ƙirƙira da ƙanƙanta.
Mun yi amfani da wasu simintin gyare-gyare na 310S bakin karfe don aikace-aikacen tanderun zafin jiki na ɗan lokaci kaɗan. Geometry yana da leɓan garkuwar zafi wanda zai yi tsada da tsadar injin daga ƙirƙira. Yin simintin gyare-gyaren, tare da ingantattun injina na CNC na wuraren rufewa da ramukan kulle, ya yi kyau. Darasin a nan shine kada a watsar da simintin kai tsaye. Yana da game da sanin iyawar kafuwar. Tarihinsu na shekaru 30 a cikin ƙirar harsashi da saka hannun jari, kamar yadda aka gani a rukunin yanar gizon su, yana nuna cewa sun kawar da matsalolin raguwa da rashin ƙarfi waɗanda ke ba da mummunan suna.
Inda har yanzu zan nace akan ƙirƙira shine don ɗaukar nauyi mai ƙarfi. Yi tunanin kwampreso ƙwanƙwasa ganguna ko babban matsi mai jujjuyawa famfo buga kai. Isotropy na jabun ɓangaren yana ba da ɓangarorin aminci wanda ke da wahalar jayayya da shi. Amma duk da haka, ƙirƙira yana buƙatar maganin zafi mai kyau. Flange F51 Duplex wanda ba a warware shi ba kuma an kashe shi daidai zai sami juriya na lalata, ba tare da la'akari da yadda aka samar da shi ba.
Pragmatism Sarkar Supply
Lokutan jagora. Kowa yana son komai jiya. Ƙirƙirar bakin flange daga babban injin niƙa na iya samun lokacin jagora na mako 20. Wannan shine inda masana'anta masu sassauƙa tare da hadedde matakai na iya gajeriyar hanya. Idan suna da ikon samar da jikin flange ta hanyar simintin gyare-gyare sannan kuma injina duka a ƙarƙashin rufin ɗaya, kamar yadda QSY ke yi, wani lokacin kuna iya aske makonni daga jadawalin. Ba batun yanke sasanninta ba ne; yana game da tsarin haɗin kai yana kawar da lokutan layi tsakanin masu siyarwa daban-daban.
Ba za a iya ganowa ba. Lambobin zafi, rahotannin PMI (Tabbataccen Shaidar Kayan aiki), takaddun shaida. Amma bayan rubutun, akwai alamar gano ta jiki. Ina godiya ga masu samar da kayayyaki waɗanda, a matsayin al'amari, a sauƙaƙe daidaita darajar kayan da lambar zafi a kan tashar flange. Karamin abu ne, amma lokacin da kake yin bincike bayan shekaru goma, wannan alamar ta dindindin tana da daraja fiye da fayil ɗin PDF. Yana nuna tunanin da ke fahimtar yanayin rayuwar samfurin.
A ƙarshe, 'fit' tare da ƙirƙira. Aika cikakke, ingantacciyar injuna bakin karfe flange zuwa mai ƙirƙira spool spool wanda ya maƙale shi a cikin vise ɗin ƙarfe na carbon ko yana amfani da dabaran abrasive akan fuska shine girke-girke na raunin zuciya. Wani lokaci, sabis mafi mahimmanci da mai samar da flange ke bayarwa shine ilimi na asali - sassan jigilar kaya tare da suturar kariya a kan fuskoki, gami da umarnin kulawa, har ma da bayar da horo kan rukunin yanar gizo. Yana juyar da ma'amala zuwa haɗin gwiwa wanda a zahiri ke tabbatar da ɓangaren yana aiki kamar yadda aka tsara.
Rufe Shi: Abubuwan Gaibu
Don haka, me kuke siyan gaske? Ba ka siyan hunk na bakin karfe mai siffa. Kuna siyan mutuncin girma, daidaiton ƙarfe, yanayin saman, kuma a ƙarshe, garantin amincin haɗin gwiwa ƙarƙashin takamaiman yanayin sabis. Bambancin farashi tsakanin dillalai sau da yawa yakan tashi zuwa nawa tabbacin da aka toya a cikin wannan farashin. Zaɓin mafi arha ba lallai ne ya yanke sasanninta akan abu ba; ƙila sun yanke sasanninta akan sarrafa tsari, matakan dubawa, ko gudanarwa.
Idan aka waiwaya baya kan gazawar, ba kasafai ake yin su ba saboda rashin lissafin matsi. Suna faruwa ne saboda tarin ƙananan ƙetare: ɗan ƙaramin sinadari wanda ke rage juriya na CREP, burar mashin ɗin da ke yanke gasket, gurɓataccen saman da ke fara rami. Sarrafa waɗannan karkatattun shine abin da kuke biya.
Yana dawo da ni zuwa ga masana'antun da aka haɗa. Lokacin da mahaɗin ɗaya ke sarrafa tsari daga gyare-gyare ko simintin gyare-gyare har zuwa wucewar CNC na ƙarshe, akwai layin kai tsaye na lissafi. Madaidaicin martani gajere ne. Idan an gano matsalar injina zuwa ga rashin daidaituwa, wannan darasin yana ci gaba da komawa cikin ginin. Wannan shine nau'in tsarin ingancin rufaffiyar madauki wanda, sama da shekaru 30, yana haɓaka ƙwarewa don yin sauƙi. bakin karfe flange dogara m. Kuma a cikin wannan kasuwancin, rashin daidaituwa shine yabo mafi girma.
