Matsalolin Simintin gyare-gyare na gama gari: Dalilai da hanyoyin rigakafin

A cikin tsarin samar da simintin gyare-gyare, lahani abu ne na kowa wanda zai iya haifar da hasara mai yawa ga masana'antun. Fahimtar abubuwan da ke haifar da amfani da ingantattun hanyoyin rigakafin yana da mahimmanci don tabbatar da inganci. A ƙasa akwai mafi yawan lahani na simintin gyaran kafa tare da abubuwan da suke haifar da su da shawarwarin mafita.

1. Kumfa (Kumfa, Ramin shaƙa, Aljihu)

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Fasaloli: Porosity a cikin simintin gyare-gyare yana bayyana azaman ramuka a cikin saman, daban-daban siffa daga zagaye zuwa mara kyau. Ƙofofi da yawa na iya samar da aljihun iska a ƙarƙashin ƙasa, galibi masu siffar pear. Ramukan shaƙa sun kasance suna da ƙaƙƙarfan sifofi marasa tsari, yayin da aljihu yawanci maƙarƙashiya ne tare da filaye masu santsi. Ana iya gano pores masu haske a gani, yayin da raƙuman ruwa ke bayyana bayan sarrafa injina.

Dalilai:

  • Zazzabi mai zafin jiki ya yi ƙasa sosai, yana sa ƙarfen ruwa ya yi sanyi da sauri idan aka zuba.
  • Ƙirƙirar ƙirar ƙira ba ta da isasshen abin sha, yana haifar da iskar gas.
  • Ba daidai ba fenti ko rufi tare da rashin samun iska.
  • Ramuka da ramuka a cikin kogon ƙura suna haifar da saurin haɓaka iskar gas, suna haifar da ramukan shaƙewa.
  • Fuskokin kogon ƙura sun lalace kuma ba a tsaftace su ba.
  • Ana adana danyen kayan (cores) ba daidai ba ko ba a riga an gama amfani da su ba.
  • Wakilin rage talauci mara kyau ko daidaitattun allurai da aiki.

Hanyoyin Rigakafi:

  • Cikakken preheat kyawon tsayuwa kuma tabbatar da sutura (kamar graphite) suna da girman ɓangarorin da suka dace don numfashi.
  • Yi amfani da hanyar karkatarwa don haɓaka ko da rarrabawa.
  • Ajiye danyen kayan a bushe, wuraren da ke da iska kuma a yi zafi kafin amfani.
  • Zaɓi wakilai masu tasiri masu tasiri (misali, magnesium).
  • Sarrafa yawan zafin jiki don hana sanyi da sauri ko zafi fiye da kima.

2. Ragewa

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Fasaloli: Lalacewar ramuka ramuka ne masu ƙazanta waɗanda ke bayyana a saman ko cikin simintin. Ƙananan raguwa ya ƙunshi ɓarkewar hatsi kuma galibi yana faruwa kusa da masu gudu, masu tashi, sassa masu kauri, ko wuraren da ke da bambancin kaurin bango.

Dalilai:

  • Yanayin zafin jiki baya goyan bayan ƙarfafawar kwatance.
  • Zaɓin murfin da bai dace ba, ko kauri mara daidaituwa.
  • Matsayin simintin da ba daidai ba a cikin ƙirar.
  • Rashin ƙira na injin mai zubowa, yana haifar da rashin isasshen ƙarfe.
  • Yawan zafin jiki ya yi ƙasa sosai ko kuma ya yi yawa.

Hanyoyin Rigakafi:

  • Ƙara yanayin sanyi don tallafawa ko da ƙarfafawa.
  • Daidaita kauri da kuma tabbatar da ko da aikace-aikace.
  • Yi amfani da dumama gyaggyarawa ko abin rufe fuska don hana raguwar wuri.
  • Aiwatar da bulogin jan karfe mai zafi ko sanyi don sarrafa farashin sanyaya.
  • Zana radiators a cikin gyaggyarawa ko amfani da feshin ruwa don hanzarta sanyaya.
  • Yi amfani da guntu masu sanyin sanyi a cikin rami don ci gaba da samarwa.
  • Ƙara na'urorin matsa lamba zuwa masu tashi da ƙirƙira tsarin gating daidai.

3. Slag Holes (Flux Slag da Metal Oxide Slag)

Fasaloli: Ramin Slag ramuka ne masu haske ko duhu a cikin simintin gyare-gyare, sau da yawa suna cike da slag ko wasu gurɓatattun abubuwa. Suna iya zama siffa ba bisa ƙa'ida ba kuma galibi ana samun su kusa da masu gudu ko sasanninta. Flux slag na iya zama da wahala a gano farko amma ya zama bayyane bayan cirewa. Oxide slag sau da yawa yana bayyana a cikin ƙofofin raga kusa da saman, wani lokaci a cikin flakes ko gajimare marasa tsari.

Dalilai:

  • Hanyoyin narke gami da simintin gyare-gyaren da ba daidai ba, gami da ƙirar tsarin gating mara kyau.
  • Tsarin kanta ba ya haifar da ramukan slag; Yin amfani da gyare-gyaren ƙarfe na iya taimakawa wajen hana wannan lahani.

Hanyoyin Rigakafi:

  • Zana tsarin gating tare da madaidaicin kuma la'akari da yin amfani da matatun fiber simintin.
  • Yi amfani da hanyoyin zube masu ni'ima don rage samuwar slag.
  • Zaɓi ma'aikatan haɗin gwiwa masu inganci kuma kula da ingantaccen kulawa.

Ta hanyar fahimtar waɗannan lahani na gama gari da bin hanyoyin rigakafin shawarar da aka ba da shawarar, wuraren ganowa na iya haɓaka ingancin samarwa da rage kurakurai masu tsada. Ku kasance da mu don Sashe na 2, inda za mu rufe ƙarin lahani na yau da kullun da hanyoyin magance su.


Lokacin aikawa: Afrilu-30-2024

© Haƙƙin mallaka - 2010-2024 : Duk haƙƙin Dinsen Keɓaɓɓe
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