Menene Gwajin Maɓallin Kumfa don Matatun Karfe Masu Rarrafe? Cikakken Jagora

Ana iya ƙayyade matattarar ƙarfe mai siminti a matsayin "5 μm," amma wannan lambar kaɗai ba ta gaya wa injiniya girman babbar hanyar buɗewa ba. Ga karafa masu ramuka masu ramuka masu girman uku da ke da hanyar sadarwa ta ramuka masu girma uku, wannan bambanci yana da mahimmanci: babban rami mai zurfi na iya shafar amincin matattarar, daidaito, da kariyar ƙasa koda lokacin da ƙimar ramuka ta bayyana daidai.

Wannan wani dalili neGwajin wurin kumfaana amfani da shi sosai wajen sarrafa ingancin sassan ƙarfe masu ramuka.

Ga karafa masu nitsewa, ɗaya daga cikin mahimman bayanai shineISO 4003:1977,Kayan ƙarfe masu simintin da za a iya zubarwa — Tantance girman ramin gwajin kumfa[1]. Ma'aunin ya shafi matattara, bearings masu ramuka, electrodes masu ramuka, da sauran abubuwan da aka lalata tare da ramuka masu haɗin kai. Mafi mahimmanci, ISO ya bayyana gwajin kumfa a matsayingwajin sarrafa inganci, maimakon hanyar da za a bi don bayyana ainihin girman ramin, cikakken rarraba girman ramin, ko matakin matattara. An sake duba ISO 4003 a ƙarshe kuma an tabbatar da shi a cikin 2022 kuma yana nan daram. [1]

Wannan bambanci yana da mahimmanci wajen fahimtar gwajin kumfa daidai.

A aikace, gwajin maki mai kumfa yana amsa wata tambaya mai amfani ta injiniya:

A wane irin matsin lamba ne iskar gas za ta iya fara fitar da ruwan jika daga mafi girman ramin da ke cikin wannan tsarin ramin?

Amsar za ta iya taimaka wa masana'antun da masu amfani su tantance daidaiton ramuka, gano manyan hanyoyin kwarara marasa kyau, kwatanta rukunin samarwa, da kuma tabbatar da ko wani ɓangaren ƙarfe mai ramuka ya cika ƙa'idodin inganci da aka amince da su.

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Menene Gwajin Maɓallin Bubble?

Gwajin ma'aunin kumfa wata dabara ce ta kwararar ruwa da ake amfani da ita don kwatanta mafi girman ramin buɗewa mai inganci a cikin kayan da ke da ramuka.

Ka'idar asali tana da sauƙi.

Da farko ana cika matattarar mai ramuka da ruwa mai jika. Saboda matsin lamba a saman da kuma ƙarfin capillary, ruwan yana nan a cikin ramukan da suka haɗu.

Ana shafa matsin lamba na iskar gas—yawanci iska mai tsafta ko nitrogen—a gefe ɗaya na matatar da aka jika.

Yayin da matsin lamba ke ƙaruwa a hankali, daga ƙarshe ya isa ya shawo kan ƙarfin capillary da ke riƙe da ruwa a cikin mafi girman ramin da ke shiga. Iskar gas tana ratsa wannan ramin kuma tana samar da kumfa a gefe guda.

Matsin da ke tattare da farawar yanayin kumfa da aka ayyana ana kiransa da:

Matsi a Matsakaicin Matsin Kumfa

ASTM F316, kodayake an rubuta shi ne don matatun membrane maimakon musamman don matatun ƙarfe masu sintered, ya bayyana irin wannan ƙa'idar capillary iri ɗaya: mafi ƙarancin matsin lamba da ake buƙata don tilasta ruwan jika daga rami ya dogara da diamita na ramin, matsin lamba na saman ruwan, da yanayin jika. [2]

Hanya Mai Sauƙi Don Tunani Game da Shi

Ka yi tunanin ƙananan bututun capillary da yawa da aka cika da ruwa.

Yana buƙatar ƙarin matsi don fitar da ruwa daga cikin bututu mai kunkuntar fiye da mai faɗi.

Wannan ƙa'ida ta gama gari ta shafi kayan da ke da ramuka masu haɗin kai:

Babban rami mai inganci → ƙarancin matsin lamba da ake buƙata

Ƙaramin rami mai inganci → matsin lamba mafi girma

Wannan shine dalilin da ya sa matsin lamba na kumfa ke ba da bayanai game da mafi girman ramin da ke cikin matatar mai ramuka.

Amma akwai wani muhimmin bambanci:

Wannan bambancin yana da matuƙar muhimmanci musamman idan ana kimanta ƙarfe masu ramuka a cikin ƙasa.

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Yaya Gwajin Maɓallin Bubble yake Aiki?

Gwajin da aka saba yi na kumfa ya ƙunshi matakai huɗu na asali.

Mataki na 1: Jika Matatar Mai Lanƙwasa Gaba ɗaya

An cika ɓangaren ƙarfe mai ramuka da ruwa mai dacewa.

Ruwan dole ne ya shiga cikin ramukan da suka buɗe, waɗanda suka haɗa kai maimakon kawai ya jika saman waje.

Dangane da tsarin gwajin da kayan aiki, ruwan da ya dace na iya haɗawa da ruwan da aka yi da barasa ko wasu takamaiman ruwan da aka yi gwaji.

Ruwan da ke cikin ruwa yana da mahimmanci saboda yana datashin hankali a samanyana tasiri kai tsaye ga dangantakar da ke tsakanin matsin lamba da diamita na ramin da aka ƙididdige.

Nufin wannan:

Matsi mai ma'aunin kumfa ba tare da bayani game da ruwan gwaji da hanyar ba cikakken bayani ne.

Dakunan gwaje-gwaje guda biyu za su iya gwada matatun da suka yi kama da juna ta amfani da ruwaye masu bambancin matsin lamba a saman kuma su sami matsin lamba daban-daban na kumfa ba tare da ɗayansu ya zama kuskure ba.

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Mataki na 2: A hankali a shafa matsi na iskar gas

Ana shafa matsi na iskar gas a gefe ɗaya na matatar mai da aka jika.

Ya kamata a ƙara matsin lamba ta hanyar da aka tsara.

Da farko, ƙarfin capillary na ruwan jika yana hana iskar gas ta hanyar hanyar sadarwa mai cike da ruwa.

Yayin da matsin lamba daban-daban ke ƙaruwa, iskar gas ɗin tana fara fitar da ruwa daga hanya mafi sauƙi ta kwarara.

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Mataki na 3: Gano Wurin Bubble

A wani matsin lamba, iskar gas tana ratsawa ta cikin rami mai inganci kuma kumfa yana bayyana a gefen ƙasa.

Dangane da tsarin gwajin da aka ƙayyade, mai aiki ko kayan aikin yana ƙayyade yanayin wurin kumfa da aka ƙayyade.

ASTM F316 ya bayyana matsin lamba na wurin kumfa dangane da matsin lamba da kwararar kumfa ke bayyana a lokacin gwajin membrane ɗinsa. [2]

Ga QC na masana'antu, yana da mahimmanci masu samar da kayayyaki da abokan ciniki su yarda da hanyar gwaji da ƙarshen amfani maimakon kwatanta lambobin matsi ba tare da sanin yadda aka samo su ba.

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Mataki na 4: Yi Rijista Matsi sannan Ka Kimanta Sakamakon

Ana iya bayar da rahoton sakamakon a matsayin matsin lamba, misali:

•KPa bar psi

Hakanan za'a iya canza shi zuwa wanigirman ramin gwajin kumfata amfani da alaƙar da aka ƙayyade tsakanin matsi, halayen ruwa mai jika, da kuma yanayin rami.

Don samar da QC, masana'antun za su iya kwatanta wannan sakamakon da kewayon yarda da aka amince da shi ko bayanan tsarin tarihi.

 

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Yaya Matsi a Wurin Kumfa Yake Da Alaƙa da Girman Pole?

Ka'idar zahiri da ke bayan gwajin kumfa ta fito ne daga matsin lamba na capillary.

Alaƙa mai sauƙi da aka saba amfani da ita ita ce:

D = 4γ cosθ / ΔP inda:

•D= diamita mai inganci na rami

•Γ= tashin hankali a saman ruwan jika

•Θ= kusurwar hulɗa tsakanin ruwan da saman rami

•ΔP= matsin lamba daban-daban a wurin kumfa

Dangantakar ta gaya mana wani abu mai matukar amfani:

Saboda haka:

Wannan yana da amfani wajen kwatanta irin waɗannan matatun da aka ƙera kuma aka gwada a ƙarƙashin yanayin da aka sarrafa.

Duk da haka, lissafin bai kamata ya jarabce mu mu yi tunanin matattarar ƙarfe mai narkewa a matsayin tarin bututun capillary masu silinda ba.

Ba haka bane.

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Fahimtar Injiniya: Ramin ƙarfe mai kauri ba cikakken rami ba ne

Nan ne fassarar bayanan maki na kumfa ke ƙara zama abin sha'awa.

Farantin da aka haƙa da laser na iya ƙunsar ramuka masu siffar geometric. Matatar foda mai narkewa ba ta da shi.

A lokacin da ake yin siminti, ƙwayoyin ƙarfe suna haɗuwa tare yayin da suke barin hanyar sadarwa ta hanyar ramuka masu haɗin kai. Waɗannan hanyoyin na iya canza sashe, reshe, sake haɗawa da kuma bin hanyoyin da ba su da kyau ta cikin kayan.

Tsarin da aka samar yana da girma uku.

Don haka lokacin da lissafin maki na kumfa ya samar da "diamita mai inganci na ramin," bai kamata a fassara shi ta atomatik kamar wani ya haƙa rami mai zagaye daidai da diamita ta cikin matatar ba.

ASTM F316 yayi irin wannan gargaɗin game da gwajin membrane: girman ramin da aka ƙididdige shi ya dogara ne akan samfurin ramin capillary da aka tsara kuma baya wakiltar ainihin riƙewar barbashi kai tsaye. [2]

Ga karafa masu niƙa, mun yi imanin cewa wannan bambanci ya fi mahimmanci a yi magana a sarari.

Ma'aunin kumfa siffa ce ta hanyar hanyar sadarwa ta ramuka—ba ƙaramin ruler da ke auna kowane rami a cikin ƙarfe ba.

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Menene Gwajin Ma'aunin Bubble yake aunawa a zahiri?

Ana haɗa kalmomi da yawa akai-akai a cikin ƙayyadaddun bayanai na ƙarfe mai porous:

•Girman rami mafi girma girman rami matsakaicin girman rami gwajin kumfa girman rami ƙimar tacewa rarrabawar riƙe ramin barbashi

Ba a iya musanya su.

1. Mafi Girman Inganci Ta Hanyar Rami

Wannan shine siffa mafi kusanci da wurin kumfa na farko.

Mafi girman hanyar buɗewa mai inganci gabaɗaya yana buƙatar mafi ƙarancin matsin lamba don maye gurbin ruwan jika.

Wannan ya sa gwajin kumfa ya zama da amfani musamman don gano manyan hanyoyin buɗewa ba zato ba tsammani.

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2. Girman ramin da ba a san shi ba

Matsayin micron na masana'anta shine takamaiman samfurin ko rarrabuwa.

Bai kamata a ɗauka cewa ta atomatik ya yi daidai da girman ramin da aka samo daga gwajin kumfa ba.

Matatar da aka sayar a matsayin matakin "5 μm" ba lallai bane ta samar da girman ramin gwajin kumfa da aka ƙididdige na daidai 5.00 μm.

Lambobin biyu suna bayyana abubuwa daban-daban.

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3. Matsakaicin Girman Rami

Bai kamata a fassara ma'aunin kumfa ɗaya a matsayin matsakaicin diamita na dukkan ramuka a cikin tsarin ƙarfe mai narkewa ba.

ISO 4003 ya yi gargaɗi a fili game da amfani da gwajin kumfa a matsayin hanyar tantance ainihin girman rami da kuma rarraba girman ramin. [1]

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4. Rarraba Girman Rami

Idan aikace-aikacen yana buƙatar ƙarin bayani game da rarraba ramuka ta hanyar, hanyoyi kamarporometry na kwararar capillaryzai iya zama mafi bayani.

Waɗannan hanyoyin suna bincika yanayin kwararar iskar gas da danshi da bushewa a cikin kewayon matsin lamba maimakon dogaro kawai akan yanayin farko na ci gaba.

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5. Rike Ƙwayoyin Cuku

Wannan wani abu ne da ya zama ruwan dare gama gari wajen ruɗani.

Girman ramin gwajin kumfa da aka ƙididdige ya yiba ta atomatik daidai da girman ƙaramin ƙwayar da matattara za ta riƙe ba.

Ainihin aikin tacewa na iya dogara ne akan:

•Zurfin ramin ramin ramin juyawa siffar barbashi-girman rarrabawar kek Tsarin kek ɗin dabi'un ruwa saurin kwarara hulɗar saman matsi daban-daban

ASTM F316 ya yi nuni da cewa bai kamata a yi amfani da sakamakon maki na kumfa a matsayin abin da kawai ke bayyana riƙewar ƙwayoyin cuta da gurɓatattun abubuwa ba. [2]

Fahimtar Injiniya

Idan wani mai kaya ya ce:

"Matsayin kumfa namu yana cewa 5 μm, saboda haka wannan matatar tana da cikakken riƙe barbashi na 5 μm." Za mu so mu ga ƙarin shaida kafin mu yarda da wannan ƙarshe.

Don aikace-aikacen tacewa mai mahimmanci, wurin kumfa ya kamata ya zama yanki ɗaya na wasanin gwada tabbatarwa - ba duka wasanin gwada ba.

 

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Ma'aunin Kumfa da Girman Ramin da Ba a San Komai ba idan aka kwatanta da Matsayin Tacewa

Wannan bambanci yana da mahimmanci don taƙaitawa:

Don aikace-aikace masu wahala, injiniyoyi ya kamata su guji zaɓar matattara dagalamba ɗaya ta micron ita kaɗai.

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Me Yasa Gwajin Ma'aunin Kumfa Yake Da Muhimmanci Ga Matatun Karfe Masu Sintered?

Ainihin ƙimar gwajin maki na kumfa yana bayyana idan muka ɗauke shi a matsayin kayan aiki na masana'antu da QC.

1. Gano Manyan ramuka marasa kyau

Yi la'akari da faifan tacewa guda biyu da aka yi daga abu ɗaya da kuma matakin da ba na asali ba.

Yawancin tsarin ramukansu na iya zama iri ɗaya.

Amma idan mutum ya ƙunshi babban hanyar kwarara ta gida, fashewar iskar gas ta farko na iya faruwa a ƙaramin matsin lamba.

Wannan zai iya sa gwajin kumfa ya zama da amfani wajen gano matsalolin tsarin ramuka waɗanda ƙila za su yi wahalar gani a gani.

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2. Duba Daidaito Tsakanin Masana'antu

Aikin ƙarfe mai ramuka ya dogara da ma'auni da yawa na masana'antu, gami da:

•Halayen foda na ƙarfe da girman barbashi yana samar da yanayi mai yawa na kore, yawan sintering, zafin sintering, yanayi, lokacin yin aiki, tsaftacewar walda

Tsarin samar da kayayyaki da aka tsara ya kamata ya samar da halaye masu daidaito daga ƙasa zuwa ƙasa.

Sakamakon bin diddigin maki na kumfa zai iya taimaka wa masana'antun gano yadda tsarin aiki ke tafiya.

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3. Tabbatar da Inganci

Gwajin ma'aunin kumfa kuma zai iya taimakawa wajen gano hanyoyin kwararar ruwa marasa kyau.

A aikace-aikacen membrane, ASTM ta lura musamman cewa gwajin kumfa na iya nuna lalacewar membrane, hatimin da bai yi tasiri ba ko kuma ɓullar tsarin. [2]

Yanayin gazawar daidai ya bambanta ga abubuwan ƙarfe masu tauri, amma ra'ayin QC na asali ya kasance mai amfani:ba zato ba tsammani nasarar da aka samu a farkon binciken iskar gas ta cancanci bincike.

Dangane da bangaren, dalilai masu yiwuwa na iya haɗawa da:

•Lalacewar ramin gida

•Lalacewa yayin sarrafawa na biyu

•Matsalar da ke cikin wani taro

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4. Kwatanta Rukunin Samarwa

Don maimaita umarnin B2B, daidaito na iya zama mahimmanci kamar yadda ƙayyadaddun bayanai na yau da kullun suke.

Abokin ciniki da ke siyan ɗaruruwa ko dubban kayan haɗin da ke da ramuka sau da yawa yana son:

Rukuni na 12 don yin hali kamar Rukuni na 11.

Bayanan maki na kumfa, tare da ikon yin amfani da su da kuma duba girma, na iya samar da hoto mai ma'ana fiye da kawai rubuta "10 μm" akan kowane zane.

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Gwajin Maɓallin Kumfa idan aka kwatanta da sauran Gwaje-gwajen Karfe Mai Rarrabawa

Babu wani gwaji guda ɗaya da ya bayyana cikakken matattarar ƙarfe mai ramuka.

Don aikace-aikacen masana'antu, hanyoyi da dama na iya ƙarawa juna.

Don kayan ƙarfe masu siminti masu shiga,ISO 4022:2018daban ya ƙunshi tantance yadda ruwa ke shiga jiki. [3]

Wannan rabuwar da kanta tana da amfani:

Halayyar ramuka da kuma yadda suke aiki suna da alaƙa, amma ba iri ɗaya ba ne.

Tsarin tacewa mai kyau sau da yawa yana buƙatar duka biyun.

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Fahimtar Injiniya: Kada Ka Inganta Wurin Bubble a Warewa

Wani kuskuren fahimta da muke gani a wasu lokutan a cikin zaɓin matattara shine:

"Mafi girman wurin kumfa ya fi kyau."

Ba lallai ba ne hakan gaskiya ne.

Babban wurin kumfa gabaɗaya yana nuna ƙaramin rami mafi inganci a ƙarƙashin yanayin gwaji iri ɗaya.

Amma ƙananan ramuka na iya ƙara juriya ga kwarara.

A cikin tsarin gaske, injiniyoyi na iya buƙatar daidaitawa:

Riƙewa ↔ Rage Matsi ↔ Yawan Gudawa ↔ Ƙarfin Riƙe Datti ↔ Ƙarfin Inji

Misali, yin matatar iskar gas ta fi kyau fiye da yadda ake buƙata na iya haifar da adadi mai ban mamaki na girman rami yayin da yake haifar da raguwar matsin lamba mai yawa.

Saboda haka, matattarar "mafi kyau" ba matattarar da ke da mafi girman wurin kumfa ba ce.

Matatar ce wadda tsarin ramuka da halayen kwararar su suka dace da buƙatun tsarin.

Wannan ya yi daidai da wani abin lura da ya bayyana akai-akai a cikin tattaunawar injiniyan rami-ƙarfe: rami ba wai kawai lahani ne na masana'anta da za a kawar ba; a cikin matatar rami, hanyar sadarwa ta rami mai sarrafawa ita ce siffa ta aiki ta bangaren. Saboda haka, injiniyoyin masana'antu suna son tattauna wurin kumfa tare da ikon shiga maimakon a matsayin ma'auni daban. [4]

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Wadanne Abubuwa Ne Za Su Iya Shafar Sakamakon Gwajin Bubble Point?

Gwajin maki mai kumfa yana da sauƙi, amma abubuwa da yawa masu canji na iya yin tasiri sosai ga sakamakon.

Ruwan Jika

Tashin hankali a saman kai tsaye yana shiga cikin dangantakar matsin lamba ta capillary.

Saboda haka, canza ruwan gwajin zai iya canza matsin lamba da aka auna.

Wannan shine dalilin da ya sa rahoton fasaha ya kamata ya gano ruwan jika.

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Jikewa cikakke

Idan ba a jika tsarin ramin da kyau ba, iskar gas da aka makale na iya haifar da sakamako mara kyau.

Wannan yana da mahimmanci musamman ga waɗannan:

•Kwanya mai laushi sosai hadaddun siffofi masu gurɓata saman dogayen bututu masu ramuka masu makafi ko kuma tsarin da aka rufe a ɓoye

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Kusurwar Hulɗa

Hulɗar da ke tsakanin ruwan da ke jika da saman ƙarfe ma tana da muhimmanci.

Yanayin saman, gurɓatawa da sinadarai na iya shafar yanayin jika.

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Zafin jiki

Tashin hankali a saman yana canzawa tare da zafin jiki.

Don kwatanta daidaito, ya kamata a sarrafa yanayin gwaji ko aƙalla a rubuta shi.

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Ma'anar Ramin Matsi da Ma'anar Ƙarshen Matsala

Ƙara matsin lamba cikin sauri zai iya sa a gane farkon abin da ya faru akai-akai.

Tsarin da aka tsara yana inganta maimaituwa.

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Gurɓatar Fuskar

Mai, ragowar injina, sinadarai na tsaftacewa da sauran gurɓatattun abubuwa na iya canza yanayin jika.

Saboda haka, ya kamata a tsaftace matattarar yadda ya kamata kafin a gwada ta bisa ga tsarin da aka tsara.

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Tsarin Rami

Hakikanin ramukan da aka yi datti ba su da tsari kuma suna da rauni.

Wannan shine ɗayan dalilan da ya sa ya kamata a ɗauki diamita na ramuka a matsayiningantaccen siffa, ba cikakken bayanin lissafi ba ne.

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Me Yasa Dakunan Gwaje-gwaje Biyu Za Su Iya Samun Sakamakon Maki Mai Bambanci?

A ce Lab A ya bayar da rahoto:

Ma'aunin Bubble: 0.8 sandar yayin da Lab B ke ba da rahoton:

Ma'aunin Kumfa: sandar 1.0

Shin hakan yana nufin cewa dakin gwaje-gwaje ɗaya ya yi kuskure ta atomatik?

A'a.

Kafin kwatanta lambobin, duba:

1.Shin sun yi amfani da ruwan jika iri ɗaya?

2.Shin ruwan yana da irin wannan zafin jiki?

3.Shin matatar ta jike gaba ɗaya?

4.An yi amfani da wannan ƙarshen maki mai kumfa?

5.Shin matsi mai ƙarfi ya yi kama da haka?

6.Shin an yi amfani da wannan hanyar lissafi?

7.An tsaftace matatar ta wannan hanyar?

8.An rufe na'urar gwajin yadda ya kamata?

Fahimtar Injiniya

Don cancantar mai kaya, muna ba da shawarar a guji takamaiman bayanai waɗanda ke bayyana kawai:

"Matsayin Kumfa ≥ X sandar."

Bayanin da za a iya sake bugawa ya bayyanahanyar gwaji da ruwan gwaji tare da ka'idar karɓa.

In ba haka ba, masu samar da kayayyaki da abokan ciniki na iya kwatanta lambobin da aka samar a ƙarƙashin yanayi daban-daban na zahiri.

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ISO 4003: Ma'aunin Gwajin Kumfa Mai Mahimmanci don Sintered Metal

Ga sassan ƙarfe masu ramuka,ISO 4003:1977yana da mahimmanci musamman.

Taken sa shine:

Kayan ƙarfe masu simintin da za a iya zubarwa — Tantance girman ramin gwajin kumfa

Tsarin ya ƙunshi matattara, bearings masu ramuka, electros masu ramuka da sauran sassan da ke da ramuka masu haɗin kai. Ma'aunin ya ci gaba da kasancewa a rubuce kuma yana aiki bayan tabbatar da shi a shekarar 2022. [1]

Wataƙila mafi mahimmancin saƙo a cikin ISO 4003 ba shine kawai yadda ake gudanar da gwajin ba.

Yadda ake yi kenanba don fassara shi ba.

ISO ya bayyana gwajin kumfa a matsayingwajin sarrafa inganci, maimakon hanyar tantance ainihin girman ramin, cikakken rarrabawa ko matakin matattara. [1]

Wannan furucin ya kamata ya yi tasiri ga yadda injiniyoyi ke rubuta ƙayyadaddun bayanai na tacewa.

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Me game da ASTM F316?

Ana yawan samun ASTM F316 lokacin da ake binciken gwajin kumfa.

Cikakken taken sa shine:

Hanyoyin Gwaji na Daidaitacce don Halayen Girman Rami na Matatun Membrane ta hanyar Gwajin Maɓallin Kumfa da Matsakaicin Rami.

ASTM ta bayyana cewa ana iya amfani da hanyar don tantancewa da kwatanta matsakaicin girman ramin kuma ta bayyana alaƙar da ke tsakanin ƙarfin jika-ruwa na capillary da matsin lamba na wurin kumfa. [2]

Duk da haka, akwai muhimmin bambanci:

ASTM F316 ma'aunin matattarar membrane ne. ISO 4003 yana mai da hankali kai tsaye kan kayan ƙarfe masu narkewa da za a iya zubarwa.

Saboda haka, lokacin da ake magana game da ƙarfe mai siminti, nickel, titanium ko wasu sassan ƙarfe masu ramuka, ISO 4003 gabaɗaya shine mafi dacewa kai tsaye.

ASTM F316 ya kasance mai amfani don fahimtar ƙa'idar kumfa da iyakokin fassara ingantaccen lissafin ramuka zuwa ainihin riƙe barbashi.

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Yadda Gwajin Ma'aunin Kumfa Ya Dace Da Masana'antar Karfe Mai Sintered

Bai kamata a ɗauki gwajin maki na kumfa a matsayin aikin dakin gwaje-gwaje da aka keɓe ba.

Ya dace da tsarin sarrafa masana'antu mai faɗi.

Hanya mai sauƙi ta samar da ƙarfe mai ramuka na iya kama da haka:

Zaɓin Foda na Karfe

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Rarraba Foda / Shiri

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Ƙirƙira

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Sintering Mai Sarrafawa

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Injin aiki / Walda / Haɗawa

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Tsaftacewa

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Gwajin Rami da Gudawa

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Dubawa Mai Girma / Dubawa Mai Gani

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ƘARIN ƘARIN ƘARSHE

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Marufi

Sauye-sauye a farkon wannan tsari na iya shafar tsarin rami na ƙarshe.

Shi ya sa gwajin ƙarshe ke ba da ra'ayoyi masu mahimmanci ga masana'antu.

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Wadanne Kayan Karfe Masu Lanƙwasa Za a iya Gwada Maɓallin Bubble?

Hanyar ta shafi kayan ƙarfe da yawa masu shiga ciki waɗanda ke da ramuka masu haɗin kai, muddin za a iya jika kayan aikin yadda ya kamata kuma a gwada su.

Misalan sun haɗa da:

Bakin Karfe Mai Sintirin

Zaɓuɓɓukan da aka saba amfani da su sun haɗa da 304 da 316L, tare da amfani da 316L sosai inda ake buƙatar ingantaccen juriya ga tsatsa.

Kayayyakin Nickel da Nickel

Ana amfani da shi inda dacewa da sinadarai, zafin jiki ko yanayin aiki na musamman ke buƙatar aiki fiye da ƙarfe na yau da kullun.

Titanium

Sau da yawa ana zaɓa shi saboda juriyarsa ga tsatsa da kuma kyawawan halaye na ƙarfi-zuwa-nauyi.

Kayan Aiki Masu Lanƙwasa na Tagulla da Tagulla

Ana amfani da shi a aikace-aikace ciki har da abubuwan da ke cikin iska, masu shiru da kuma tacewa ta musamman.

Alloys Masu Aiki Mai Kyau

Dangane da muhalli, ana iya ƙera sassan da ke da ramuka daga ƙarfe kamar Inconel, Hastelloy ko Monel.

Ya kamata a zaɓi kayan da suka dace daga ainihin yanayin sinadarai, zafi, matsin lamba da na inji—ba wai kawai daga girman rami ba.

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Gwajin Bubble Point don Aikace-aikace daban-daban

Tace Iskar Gas na Masana'antu

Ga iskar gas mai aiki, babban rami mara kyau na iya samar da sauƙin wucewa don gurɓatawa.

Saboda haka, gwajin maki na kumfa zai iya zama wani ɓangare na QC na kafofin watsa labarai na tacewa.

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Tace Ruwa

Don tace ruwa, dole ne a kimanta tsarin ramuka tare da danko, raguwar matsin lamba, nauyin ƙwayoyin cuta da kuma riƙewar da ake so.

Bubble point kaɗai ba ya annabta cikakken aikin sabis.

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Tsarin Iskar Gas Mai Tsabta

Inda sassan da ke ƙasa suka fi saurin kamuwa da gurɓatawa, tsarin ramuka masu daidaituwa na iya zama da mahimmanci musamman.

Dangane da buƙatar tsafta, za a iya haɗa wurin kumfa tare da ƙarin ingancin tacewa, tsafta ko gwajin zubewa.

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Sarrafa Sinadarai da Man Fetur

Daidaiton sinadarai, zafin jiki da matsin lamba na iya zama da mahimmanci kamar girman rami.

Saboda haka, ana iya zaɓar ƙarfe na nickel, titanium ko ƙarfe na musamman na bakin ƙarfe dangane da ruwan aikin.

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Yaɗuwar Iskar Gas da kuma Sparging

Ana kuma amfani da ƙarfe mai ramuka sosai don hulɗa da ruwa mai iskar gas.

A nan wani mummunan fahimta ya bayyana:

Girman ramin kumfa ba iri ɗaya bane da diamita na kumfa da aka samar.

Girman kumfa a cikin ruwa kuma zai iya dogara da:

•Tashin hankali a saman kwararar iskar gas na tsarin watsa matsi na ruwa, yanayin rarraba ramin, yanayin haɗin kai na zurfin ruwa, yanayin haɗin kai na ruwa,

Gwajin kumfa zai iya kwatanta matsakaicin ramin, amma bai kamata a yi amfani da shi shi kaɗai don yin alƙawarin diamita na kumfa mai tsari ba.

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Yadda Ake Karanta Rahoton Gwajin Bubble Point

Don siyan B2B, rahoton maki mai amfani yakamata ya ƙunshi isassun bayanai don sa sakamakon ya sake fitowa kuma a iya bin diddiginsa.

Yi la'akari da neman:

•Lambar Samfura / Sashe

•Lambar Rukuni ko Batch

•Kayan Aiki

•Girman matattara

•Bayanin ramin da aka ƙayyade

•Hanyar gwaji

•Ruwan jika

•Zafin gwaji inda ya dace

•Matsi a ma'aunin kumfa

•An ƙididdige girman ramin gwajin kumfa, idan ya dace

•Ka'idojin karɓa

•Sakamakon wucewa / kasawa

•Ranar gwaji

•Bin diddigin dubawa

Misali

Babban abin lura shine gano wuri.

Lambar matsi ba tare da hanyar da ke da alaƙa da yanayin jika ba tana da iyakacin ƙima.

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Rashin Fahimta Game da Gwajin Maɓallin Kumfa

"Girman ramin kumfa daidai yake da ƙimar matattara mara iyaka."

Ba lallai ba ne.

Suna da halaye daban-daban kuma ana iya bayyana su ta amfani da hanyoyi daban-daban.

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"Matsayin Kumfa Yana auna matsakaicin girman ramuka."

A'a.

Wurin kumfa na farko yana da alaƙa da mafi girman hanyar buɗewa mai inganci.

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"Mafi Girman Kumfa Yana Nufin Tace Mai Inganci Mai Kyau."

Ba ta atomatik ba.

Gabaɗaya yana nufin ƙaramin rami mafi inganci a ƙarƙashin yanayi makamancin haka. Ko hakan abin so ne ya dogara da amfani da shi.

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"Matsayin Kumfa Yana Kayyade Ingancin Tacewa."

Ba da kanta ba.

Aikin riƙewa na ainihi yana buƙatar ƙarin la'akari ko gwaji.

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"Maɓallin Kumfa Yana Faɗa Mini Rarraba Girman Rami Gabaɗaya."

A'a.

ISO 4003 ta yi gargaɗi musamman game da wannan fassarar. [1]

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"Matsayin Matsi na Kumfa iri ɗaya ne da Matsi na Burst."

Ba shakka ba.

Matsi a ma'aunin kumfayana da alaƙa da iskar gas da ke shawo kan ƙarfin capillary a cikin ramin da aka jika.

Matsin fashewaryana da alaƙa da gazawar tsarin matatar ko ɓangaren da ke ƙarƙashin matsin lamba.

Matatar na iya samun ƙarancin kumfa yayin da take da ƙarfin injina mai yawa.

Rikitar waɗannan sigogi guda biyu na iya haifar da manyan kurakuran ƙayyadaddun bayanai.

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Ta Yaya Ya Kamata Ka Bayyana Matatar Karfe Mai Porous?

Maimakon aika mai samar da kayayyaki kawai:

"Ina buƙatar matatar bakin ƙarfe mai girman 5 μm." bayar da bayanai gwargwadon iyawa game da aikace-aikacen.

Sigogi masu amfani sun haɗa da:

•Kayan da ake buƙata

•Matsayin tacewa mara iyaka

•Matsakaicin buƙatar rami, idan yana da mahimmanci

•Bukatar ma'aunin kumfa, idan an ƙayyade

•Ingancin tacewa da ake buƙata

•Matsakaici mai iskar gas ko ruwa

•Sinadarin sinadarai

•Zafin aiki

•Matsi na aiki na yau da kullun

•Matsakaicin matsin lamba daban-daban

•Yawan kwararar da ake buƙata

•Girman matattara

•Nau'in haɗi

•Hanyar tsaftacewa

•Tsarin gwaji mai dacewa

•Takardun QC da ake buƙata

•Adadin Rukunin

Wannan bayanin yana ba da damar tsara tsarin rami a kusa da aikace-aikacen maimakon kewaye da lambar micron guda ɗaya.

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Ra'ayin Injiniyanmu: Yi tunani a kan Tagar "Rami-Gudu-Ƙarfi"

Ga ayyukan ƙarfe masu ramuka da yawa, mun ga ya fi amfani mu yi la'akari da zaɓin matattara a matsayintaga aikimaimakon takamaiman bayani guda ɗaya.

Masu canji guda uku suna da mahimmanci musamman:

Tsarin rami → Aikin kwarara → Ingancin Inji

Canza ɗaya zai iya rinjayar wasu.

Misali:

•Ƙananan ramuka na iya inganta riƙewa amma suna ƙara raguwar matsin lamba;

•Babban porosity na iya inganta permeability amma yana iya shafar halayen injiniya;

•Kauri mai kauri na iya inganta ƙarfin tsarin amma yana canza juriyar kwarara;

•Canza halayen foda na iya shafar rarrabawar ramuka da kuma yadda za a iya shiga cikin ramin.

Wannan shine dalilin da ya sa bayanan maki na kumfa ke ƙara amfani idan aka haɗa su da sauran ma'auni.

Don aikace-aikace masu mahimmanci, muna ba da shawarar yin tambaya:

Wannan tambaya ce ta injiniya mafi kyau fiye da kawai yin tambaya:

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Yadda HENGKO Ke Magance Kula da Ingancin Karfe Mai Lalacewa

A HENGKO, ana ƙera sassan ƙarfe masu ramuka a kusa da kayan da ake buƙata, halayen ramuka, yanayin lissafi da yanayin aikace-aikacen.

Dangane da takamaiman samfurin da buƙatun abokin ciniki, ƙimar ƙimar na iya haɗawa da haɗuwa da waɗannan masu zuwa:

•

Zaɓin foda mai sarrafa kayan abu mai sarrafawa don ƙirƙirar sintering mai sarrafawa don dubawa girman rami-halayen kimantawa gwajin shigarwa gwajin matsin lamba duba gani tsaftacewa sarrafa aikace-aikace-takamaiman tabbatarwa

Ga ayyukan da wurin kumfa ya zama muhimmin ma'aunin karɓa, ya kamata a ayyana yanayin gwaji da iyakokin karɓa yayin tabbatar da fasaha.

Wannan yana da mahimmanci musamman ga kayan da aka kera masu ramuka na musamman, inda sassa biyu waɗanda suka yi kama da juna a waje na iya buƙatar tsarin ramuka na ciki daban-daban.

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Tambayoyin da ake yawan yi: Gwajin Maɓallin Kumfa don Matatun Karfe Masu Lanƙwasa

Menene wurin kumfa na matatar?

Wurin kumfa shine matsin lamba wanda iskar gas ke shawo kan ƙarfin capillary da ke riƙe da ruwan jika a cikin rami mai tasiri kuma yana samar da yanayin kumfa da aka ayyana a gefen ƙasa.

Shin mafi girman wurin kumfa yana nufin ƙaramin girman rami?

A ƙarƙashin ruwa mai jika iri ɗaya da yanayin gwaji iri ɗaya, gabaɗaya eh. Matsi na wurin kumfa yana da alaƙa da diamita mai inganci na rami.

Shin girman kumfa daidai yake da girman ramin?

Ba daidai ba ne. Ana iya amfani da shi don samon siffa mai inganci ta gwajin kumfa, amma bai kamata a fassara shi a matsayin cikakken bayani na ainihin hanyar sadarwa ta ramuka masu girma uku ba.

Me gwajin maki na kumfa ke aunawa a cikin matatar ƙarfe mai narkewa?

Yana da amfani musamman don tantance mafi girman tasirin da ke tattare da ramin da kuma kwatantawa da ingancin sarrafawa.

Shin gwajin wurin kumfa zai iya tantance matsakaicin girman ramin?

Bai kamata a ɗauki wurin kumfa ɗaya na farko a matsayin matsakaicin girman ramin ba. Ƙarin cikakkun siffofin ramin yana buƙatar ƙarin hanyoyi.

Shin wurin kumfa zai iya tantance ingancin tacewa?

A'a. Gwajin ma'aunin kumfa kaɗai ba ya tabbatar da ingancin riƙe ƙwayoyin cuta.

Menene bambanci tsakanin ma'aunin kumfa da matsin lamba na fashewa?

Matsin kumfa yana da alaƙa da fitar ruwa daga ramukan da aka jika. Matsin fashewar yana da alaƙa da gazawar injiniya. Suna bayyana halaye daban-daban gaba ɗaya.

Wane mizani ne ya shafi gwajin kumfa na ƙarfe mai niƙa?

ISO 4003:1977 ya yi magana musamman kan tantance girman ramin gwajin kumfa a cikin kayan ƙarfe masu narkewa masu shiga. [1]

Shin ASTM F316 ya dace da matatun ƙarfe masu niƙa?

An rubuta ASTM F316 musamman don matatun membrane. Ka'idojinsa suna da amfani don fahimtar gwajin kumfa, amma ISO 4003 shine ma'aunin da ya fi dacewa kai tsaye ga kayan ƙarfe masu niƙa mai shiga ruwa. [1][2]

Me yasa ya kamata a jera ruwan jika a cikin rahoton maki na kumfa?

Domin kuwa matsin lamba a saman yana shafar alaƙar da ke tsakanin matsin lamba a wurin kumfa da kuma girman rami mai inganci da aka ƙididdige. Bai kamata a kwatanta ƙimar matsin lamba da aka samu da ruwa daban-daban da ke jika ba a makance.

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Kammalawa

Gwajin ma'aunin kumfa yana ɗaya daga cikin kayan aiki mafi amfani don tantance halayen rami da kuma samar da daidaiton matatun ƙarfe masu ramuka a cikin ramin—amma sai lokacin da aka fassara sakamakon daidai.

Babban darajarsa ba wai mayar da hanyar sadarwa mai sarkakiya mai girma uku zuwa lamba ɗaya da ta yi daidai da micron ba ne.

Amfaninsa yana taimakawa wajen amsa tambayoyin inganci masu amfani:

Akwai babbar hanyar buɗewa da ba zato ba tsammani?

Shin wannan filin samarwa ya yi daidai da ƙa'idar da aka amince da ita?

Shin tsarin ramukan ya canza?

Shin bangaren ya cika ka'idar amincewa da maki mai kumfa?

Don aikace-aikacen tacewa mai mahimmanci, ya kamata a yi la'akari da wurin kumfa tare da permeability, aikin tacewa, dacewa da kayan aiki, buƙatun matsi da yanayin aiki na gaske.

Kuna buƙatar taimako wajen tantance matatar ƙarfe mai ramuka?

Aika HENGKO da kake buƙataabu, buƙatar rami/tacewa, girma, matsakaicin aiki, ƙimar kwarara, matsin lamba, zafin jiki da buƙatun gwajiƘungiyar injiniyanmu za ta iya taimakawa wajen tantance tsarin ƙarfe mai ramuka da kuma hanyar gwaji mai dacewa don aikace-aikacenku.

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Nassoshi & Tushen Fasaha

[1] ISO 4003:1977 — Kayan ƙarfe masu niƙa mai iya shiga ciki — Tantance girman ramin gwajin kumfa
Ƙungiyar Ƙasa da Ƙasa don Daidaita Daidaito (ISO). Ma'aunin ya yi magana musamman game da kayan ƙarfe masu narkewa da za a iya zubarwa kuma ya gano gwajin kumfa a matsayin hanyar kula da inganci maimakon cikakken tantance ainihin girman rami ko rarraba girman rami.

[2] ASTM F316-03(2019) — Hanyoyin Gwaji na Daidaitacce don Halayen Girman Rami na Matatun Membrane ta hanyar Gwajin Maɓallin Kumfa da Matsakaicin Rami na Rami
ASTM International. Yana da amfani ga ƙa'idar zahiri ta ƙarfin jika-ruwa na capillary, matsin lamba a wurin kumfa, matsakaicin halayen ramuka da ƙuntatawa game da ainihin riƙe barbashi.

[3] ISO 4022:2018 — Kayan ƙarfe masu niƙa mai iya shiga ciki — Tantance yadda ruwa ke shiga ciki
Ƙungiyar Ƙasa da Ƙasa don Daidaita Daidaito. Ya dace idan dole ne a bayyana yanayin shigar ruwa da juriyar kwarara, ban da halayen ramin gwajin kumfa.

[4] Tattaunawar injiniyan masana'antu kan karafa masu ramuka masu niƙa
Tattaunawar injiniya ta baya-bayan nan a fannin bututun ƙarfe mai ramuka suma sun jaddada cewa bututun da ke da alaƙa da juna shine tsarin aiki na matatar sintered kuma galibi ana tattauna wurin kumfa tare da permeability. Ana amfani da waɗannan abubuwan lura a nan a matsayin mahallin masana'antu maimakon a matsayin buƙatun gwaji na al'ada.