Vavu kusindikiza pamwamba kutsitsi kuwotcherera aloyi processing valavu anati: osadziwa mmene ndingagwiritsire ntchito ine

Vavu kusindikiza pamwamba kutsitsi kuwotcherera aloyi processing valavu anati: osadziwa mmene ndingagwiritsire ntchito ine

Vavu kusindikiza pamwamba kutsitsi kuwotcherera aloyi processing ndondomeko imakhala ndi masitepe anayi:
Kukonzekera pamaso yomanga, kunja chisanadze kutaya, kupopera mbewu mankhwalawa ndi kupopera mbewu mankhwalawa pambuyo kutaya.
(a) Konzekeretsani zinthu
Kutsimikizira deta, zinthu, zida ndi njira.
Pamaso ndondomeko ayenera kumvetsa zenizeni boma ndi luso la sprayed workpiece pempho theka amasiya kusanthula,
1, makulidwe a zokutira. Monga mwachizolowezi, pambuyo kupopera mbewu mankhwalawa ayenera kusiya makina processing, kuti ❖ kuyanika makulidwe adzasungidwa processing malipiro, komanso kuganizira kukulitsa matenthedwe ndi chidule kupopera mbewu mankhwalawa.
2, kutsimikizira kwa deta yophimba. Malingana ndi chisankho ndikuti deta yophimba iyenera kukhutitsidwa ndi chidziwitso cha ntchito yopopera mankhwala, pempho wamba, pempho la luso ndi maziko a nkhaniyo, kusanjikiza kophatikizana ndi deta yosanjikiza nkhani zimalekanitsidwa.
3, magawo ena: kupanikizika, kukula kwa ufa, mfuti ya spray ndi kusuntha kwa workpiece.
(2) chisanadze kutaya workpiece kunja
Kukonzekera kwakunja ndiko kukakamiza kwa mphamvu yolumikizirana ya zokutira ndi masanjidwewo
1, concave kudula chithandizo, pali wosanjikiza wotopa ndi zina zazikulu mavuto poyambira zizindikiro kunja, pansi pa mfundo ya mphamvu kulolerana, akhoza kusiya kudula kutaya, kupereka danga kuphatikiza kupopera mbewu mankhwalawa matenthedwe.
2, kuyeretsa kunja, kuchotsa kuipitsidwa kwa mafuta, dzimbiri, utoto wosanjikiza, kuti kunja kwa workpiece kukhale koyera, utoto woipitsa mafuta ukhoza kuchotsedwa ndi zosungunulira zosungunulira, ngati mafuta alowa mu data ya matrix, amatha kuchotsedwa ndi kutentha kwamoto. , wosanjikiza dzimbiri akhoza kusiya asidi leaching, makina akupera kapena mchenga kuphulika kuchotsa.
3, kutukusira kwakunja, cholinga chake ndikulimbitsa mgwirizano wa zokutira ndi masanjidwewo, kuthetsa kupsinjika, kugwiritsa ntchito mosowa kwa sandblasting, nthiti yotseguka, kukoka tsitsi,
Yankho: Kuphulika kwa mchenga ndikosowa kwambiri, mchenga ukhoza kusankha mchenga wa quartz, mchenga wa alumina, mchenga wachitsulo wozizira, zinthu zamchenga mpaka zakuthwa ndi zolimba, ziyenera kukhala zaukhondo ndi zouma, m'mbali zakuthwa ndi ngodya. Kukula kwake, kukula kwa kuthamanga kwa mumlengalenga, kuphulika kwa ngodya, nthawi, ndi nthawi ziyenera kuyimitsidwa malinga ndi momwe zilili.
B: Wamipata, nthiti, wodzigudubuza. Pofuna kuchiza makina a shaft ndi manja kunja, poyambira angagwiritsidwe ntchito kutaya udzudzu wa nkhono wa galimoto, ndipo kuuma kwa mphuno ndi nthiti kunja kuli koyenera RA6.312.5. Palibe choziziritsa komanso chonyowa chomwe chimawonjezedwa pokonza kuti muthane ndi nthiti yagalimoto ya tanki, yomwe imatha kugudubuza mawonekedwewo kunja, koma kupewa ngodya zakuthwa.
C: Chogwirira ntchito chokhala ndi kuuma kwakukulu chikhoza kuyimitsa kujambula kwa EDM ndi kufota. Komabe, chotchingira chocheperako chiyenera kugwiritsidwa ntchito mosamala. Njira yokokera tsitsi ya EDM imagwiritsa ntchito waya wabwino wa nickel kapena waya wa aluminiyamu ngati electrode. Mothandizidwa ndi arc, deta ya electrode ndi kunja kwa matrix zimasakanikirana pang'ono, zomwe zimapangitsa kuti kunja kukhale kovuta. Pambuyo kuonekera kwa latsopano kunja coarsening, ayenera kupewa kuyeretsedwa, mosamalitsa koletsedwa kukhudza, kusungidwa mu ukhondo, youma zinthu, coarsening posachedwapa pambuyo kupopera mbewu mankhwalawa, monga mwachizolowezi kupopera mbewu mankhwalawa nthawi si chitha maola awiri.
4. Chophimba cha ziwalo zosapopera
Kupopera mbewu mankhwalawa kunja pafupi kupopera mbewu mankhwalawa, chivundikirocho ayenera kugwiritsa ntchito kutentha zosagwira galasi nsalu kapena asibesitosi ndi chotchinga, ayenera molingana ndi makina lophimba poyankha pamene achepetsa chivundikirocho, koma ndi kulabadira zambiri fixture deta ayenera kukhala ndi mphamvu inayake. , ndipo izo zikutanthauza zochepa ntchito otsika osungunuka mfundo aloyi, kuwopa kuyeretsedwa ❖ kuyanika, keyway kunja, kuthana ndi masanjidwewo mafuta dzenje salola mbali ya kutsitsi, monga Ikhoza oletsedwa ndi graphite chipika kapena choko lathyathyathya kapena pang'ono. apamwamba kuposa kunja. Pambuyo kupopera mbewu mankhwalawa kuthetsa, kulabadira kuwonongeka kwa ❖ kuyanika, m'mbali ndi ngodya kuti blu.
(3) Kupopera mankhwala
Preheat mpaka 100 mpaka 200 digiri Celsius musanapopera mbewu mankhwalawa kuti muchepetse kusiyana kwa kutentha. Zidutswa zing'onozing'ono zimatha kutenthedwa kale mu uvuni.
Utsi wosanjikiza wosanjikiza wowongolera pansi pakati pa mawaya khumi mpaka mawaya makumi awiri, ufa wokhala ndi malawi osalowerera kapena kumpoto, mutatumiza mtolo wofiyira wamoto, ndi utsi wabuluu ndi wofiira. Ngati mapeto ndi woyera wowala mtundu, fotokozani kuti pali zizindikiro za kuvulala ayenera kusintha lawi kapena kuchepetsa kuchuluka kwa ufa, ngati mdima wofiira, kufotokoza kuti palibe kusungunuka, kuwonjezera lawi, kulamulira kuchuluka kwa ufa ndi otaya mlingo. Ngati mlingo wa lawi ndi ufa uli wothandiza, kukula kwake kwa ufa kungasinthidwe ndi nickel, ndipo ufa wokhala ndi faifi ukhoza kusinthidwa kukhala ufa wouma kapena ufa wokhala ndi faifi wochuluka. Utsi ayenera perpendicular kwa kupopera mbewu mankhwalawa kunja, imeneyi mu ulamuliro ambiri pa 180200MM.
Kupopera zinthu wosanjikiza: pambuyo kupopera mbewu mankhwalawa olowa wosanjikiza kuchotsa phulusa ufa ndi okusayidi filimu ndi waya burashi, ntchito chitsulo ufa ndi kumpoto carbonization lawi, kugwiritsa ntchito mkuwa ufa ayenera kugwiritsa ntchito ndale lawi, ndi ntchito faifi tambala ufa pakati pa awiriwo. , malingana ndi umunthu wake ndi kusintha kwake. Kuwongolera kwapakati pakati pa 180200MM, nthawi yopopera ndi yayikulu kwambiri, kutentha kosungunuka ndi kotsika, kutsika kumachepa komanso mphamvu sizikwanira, mphamvu yolumikizirana ndi yotsika, kapangidwe kake ndi kotayirira, nthawi yopopera ndi yaying'ono kwambiri, ufa sungatheke. , mphamvu yamphamvu ndi yowonjezereka, mphamvu yodzikundikira ndiyochepa, mphamvu ya mgwirizano ndi yochepa. Kusuntha, chifukwa cha 70150MM/S, kuyeza ndi thermometer, kudutsa madigiri 250 kuyenera kuyimitsidwa kupopera mbewu mankhwalawa.
Pambuyo kupopera mbewu mankhwalawa workpiece kuzirala: kuzirala nthawi, mavuto ndi kuteteza ❖ kuyanika peeling ndi mapindikidwe workpiece. Makamaka mawonekedwe apadera, njira zodzitetezera ziyenera kuchitidwa, monga kuziziritsa kwachilengedwe kwa olamulira atali kumbali ya makina, kapena kuyipachika molunjika kuti izizirike.
(4) Kutaya pambuyo kupopera mankhwala
Kusindikiza dzenje, kukonza makina ndi njira zina.
❖ kuyanika nkhani pafupifupi khumi ndi zisanu peresenti ya voliyumu, porosity ndi pore ganizo la ena olumikizidwa kwa makina ake abwino kwambiri mikangano awiri, akhoza kukantha kuika makina mu yosalala pambuyo kutsitsi mafuta, ntchito pore pore pore pore pore pore poreservoir n'kopindulitsa, koma kuthana ndi makina a hydraulic, pore komanso kutayikira kosavuta, kuthana ndi kupopera mbewu mankhwalawa, amayenera kugwiritsa ntchito njira yosindikizira mabowo kuyimitsa kusindikiza kwa dzenje.
Kufunsira wosindikiza: permeability wabwino, kukana mankhwala, palibe kuvunda, palibe metamorphosis. Khola ntchito pa kutentha, akhoza kulimbikitsa ❖ kuyanika ntchito, osowa sera, epoxy, phenolic ndi zina zotero.
Pamene olondola dimensional pambuyo kupopera mbewu mankhwalawa ndi roughness wa kunja sangakhoze kukhutitsidwa ndi pempho, m`pofunika kusiya makina processing, angagwiritse ntchito kutembenukira kapena akupera processing.
Valve adati: sindikudziwa momwe ndingagwiritsire ntchito zofunikira zanga zodulira valavu motsika momwe ndingathere, kutayikira kwa valve yofewa kumakhala kocheperako, kudulidwa kwake kumakhala kwabwino, koma osavala, kudalirika kosadalirika.
Kutsika kwa valavu yodulira kutayikira, ndiye kuti kutayikira kwa valavu yosindikizira yofewa kumakhala kocheperako, kutsika kwake kumakhala kwabwino, koma sikutha kuvala, kudalirika kosadalirika.
1. N'chifukwa chiyani kumakhala kosavuta kuyendayenda pamene valavu ya mipando iwiri ndi yotseguka yaying'ono?
Kwa pachimake chimodzi, pamene sing'anga ikutuluka mtundu wotseguka, kukhazikika kwa valve ndikwabwino; Pamene sing'anga imatsekedwa, kukhazikika kwa valve kumakhala kosauka. Valve yapampando iwiri imakhala ndi spool ziwiri, spool yapansi ili mumtsinje wotsekedwa, spool yapamwamba imakhala yotseguka, kotero, mu ntchito yaing'ono yotsegulira, kutuluka kwa mtundu wa spool ndikosavuta kuyambitsa kugwedezeka kwa valve, izi. ndi chifukwa chake valavu yokhala ndi mipando iwiri singagwiritsidwe ntchito potsegula ntchito yaying'ono.
2. Chifukwa chiyani valavu yosindikizira iwiri singagwiritsidwe ntchito ngati valavu yodula?
Ubwino wa valavu ya valavu yokhala ndi mipando iwiri ndikuti mphamvu yolinganiza mphamvu imalola kusiyana kwapakati kukhala kwakukulu, pamene choyipa chake chapadera ndi chakuti malo awiri osindikizira sangakhale ogwirizana nthawi imodzi, zomwe zimapangitsa kuti pakhale kutaya kwakukulu. Ngati agwiritsidwa ntchito mwachisawawa komanso mokakamiza kuti adutse mwambowu, mwachiwonekere zotsatira zake sizili zabwino, ngakhale zitakhala kuti zasintha zambiri (monga valavu yosindikizira kawiri), sizofunika.
3, ndi ntchito yanji yowongoka yoletsa mavavu yomwe sikuyenda bwino, magwiridwe antchito otsekereza ma valve ndi abwino?
Chowongoka chowongoka cha valve spool ndi vertical throttling, ndipo sing'anga ndi yopingasa yolowera mkati ndi kunja kwa chipinda cha valve chodutsa njira iyenera kubwerera mmbuyo, kotero kuti njira yothamanga ya valve imakhala yovuta kwambiri (mawonekedwe monga "S" mtundu wopindika). Mwanjira iyi, pali madera ambiri akufa, omwe amapereka danga la mvula ya sing'anga, ndipo m'kupita kwa nthawi, zimayambitsa kutsekeka. Mayendedwe a Angle stroke valve throttling ndi njira yopingasa, sing'anga imalowa ndi kutuluka mopingasa, ndipo ndikosavuta kuchotsa sing'anga yodetsedwa. Panthawi imodzimodziyo, njira yothamanga ndi yophweka, ndipo malo otsetsereka apakati ndi ochepa kwambiri, choncho valve ya Angle stroke imakhala ndi ntchito yabwino yoletsa.
4. Chifukwa chiyani tsinde la valavu yowongoka yowongoka ndi yowonda?
Zimaphatikizapo mfundo yosavuta yamakina: mikangano yayikulu yotsetsereka ndi mikangano yaying'ono. Molunjika sitiroko valavu tsinde mmwamba ndi pansi kayendedwe, kunyamula pang'ono mbamuikha pang'ono, izo adzaika valavu tsinde wokutidwa zolimba kwambiri, kutulutsa lalikulu kumbuyo kusiyana. Pachifukwa ichi, tsinde la valavu lapangidwa kuti likhale laling'ono kwambiri, ndipo kulongedzako kumagwiritsidwa ntchito kawirikawiri ndi kagawo kakang'ono kamene kakukangana PTFE kulongedza, kuti achepetse kusiyana, koma vuto ndiloti tsinde la valve ndilochepa, losavuta kupindika. , ndipo moyo wonyamula katundu ndi waufupi. Kuti athetse vutoli, njira yabwino ndikugwiritsa ntchito tsinde la valve yoyendayenda, yomwe ndi mtundu wa Angle stroke wa valve yowongolera, tsinde lake la valve ndi 2 ~ 3 nthawi zokulirapo kuposa tsinde la valve yowongoka, ndi kusankha kwa moyo wautali wa graphite filler. , kuuma kwa tsinde ndikwabwino, kulongedza moyo ndi wautali, torque yamakangana ndi yaying'ono, kusiyana kwakung'ono kobwerera.
5. Chifukwa chiyani kusiyana kwa kuthamanga kwa Angle stroke valve kumakhala kwakukulu?
Angular stroke mtundu valavu kudula kuthamanga kusiyana ndi lalikulu, chifukwa sing'anga mu spool kapena valavu mbale zotsatira mphamvu pa kasinthasintha shaft torque ndi yaing'ono kwambiri, choncho, akhoza kupirira kupanikizika kwakukulu kusiyana.
6. Chifukwa chiyani moyo wautumiki wa sing'anga yamadzi yothira mchere wokhala ndi valavu ya gulugufe ndi valavu ya fluorine yokhala ndi diaphragm uli waufupi?
Desalting water sing'anga imakhala ndi asidi otsika kapena alkali, amawononga kwambiri mphira. Kuwonongeka kwa mphira kumadziwika ndi kukulitsa, kukalamba ndi mphamvu zochepa. Kugwiritsa ntchito valavu ya butterfly ndi diaphragm valve yokhala ndi mphira ndikosavuta. Chofunikira ndichakuti mphira sulimbana ndi dzimbiri. Pambuyo mphira akalowa diaphragm valavu ndi bwino kuti dzimbiri kukana fluorine ali mzere diaphragm valavu, koma diaphragm wa fluorine alimbane diaphragm valavu sangathe kuyimirira ndi pansi lopinda ndi wosweka, chifukwa mawotchi kuwonongeka, moyo wa valavu ndi lalifupi. Tsopano njira yabwino ndikugwiritsa ntchito madzi pochiza valavu ya mpira, ikhoza kugwiritsidwa ntchito kwa zaka 5 mpaka 8.
7. Chifukwa chiyani valavu yodulidwa iyenera kusindikizidwa mwamphamvu momwe zingathere?
Kutsika kwa valavu yodulira kutayikira, ndiye kuti kutayikira kwa valavu yosindikizira yofewa kumakhala kocheperako, kutsika kwake kumakhala kwabwino, koma sikutha kuvala, kudalirika kosadalirika. Kuchokera pakutayikira ndi kakang'ono, kusindikiza komanso kudalirika kawiri, kudulidwa kofewa kuli bwino kuposa kudulidwa kolimba. Monga valavu yoyang'anira yowunikira kwambiri, yosindikizidwa ndi yodzaza ndi chitetezo cha alloy chosavala, kudalirika kwakukulu, kuthamanga kwa 10 ~ 7, yatha kukwaniritsa zofunikira za valve yodulidwa.
8. N’chifukwa chiyani valavu ya m’manja inalowa m’malo mwa valavu imodzi kapena iwiri koma osakwaniritsa cholinga chake?
Valve ya manja, yomwe idatuluka m'ma 1960, idagwiritsidwa ntchito kwambiri kunyumba ndi kunja m'ma 1970, ndipo valavu yamanja mufakitale ya petrochemical yomwe idayambitsidwa m'ma 1980 idapanga chiŵerengero chokulirapo. Panthawiyo, anthu ambiri ankakhulupirira kuti valavu ya manja imatha kusintha valavu imodzi ndi iwiri yokhala ndi mipando yambiri ndikukhala mbadwo wachiwiri wa mankhwala. Masiku ano, izi siziri choncho, valavu ya mpando umodzi, valavu yokhala ndi mipando iwiri, valve ya manja imagwiritsidwa ntchito mofanana. Izi ndichifukwa choti valavu ya manja imangowonjezera mawonekedwe a throttling, kukhazikika ndi kukonza bwino kuposa valavu imodzi yokha, koma kulemera kwake, kutsekereza ndi zizindikiro zowonongeka zimagwirizana ndi valavu imodzi ndi iwiri yokhala ndi mpando, ingasinthe bwanji valavu imodzi ndi iwiri ya mpando. ? Choncho, iyenera kugawidwa.
9. N’cifukwa ciani kusankha n’kofunika kwambili kuposa kuŵelenga?
Kuwerengera ndi kusankha poyerekeza, kusankha ndikofunikira kwambiri, zovuta kwambiri. Chifukwa kuwerengera ndi njira yosavuta yowerengera, sizitengera kulondola kwa chilinganizo chokha, koma kulondola kwa magawo omwe apatsidwa. Kusankhidwa kumaphatikizapo zambiri, kusasamala pang'ono, kudzatsogolera kusankhidwa kosayenera, osati kungoyambitsa kuwonongeka kwa anthu, chuma chakuthupi, chuma chachuma, komanso kugwiritsa ntchito zotsatira zake sikoyenera, kubweretsa mavuto angapo ogwiritsira ntchito, monga kudalirika. , moyo, khalidwe la ntchito, etc.