Ƙirƙirar fashewar ƙalubale ne na gama-gari a cikin tafiyar matakai na cladding Laser, sau da yawa yana shafar inganci da dorewar Layer ɗin. Fahimtar tushen dalilai da aiwatar da ingantattun matakan rigakafi yana da mahimmanci don samun sakamako mai kyau. Bugu da ƙari, kiyaye aikin da ya dace na mai sanyaya ruwa yana da mahimmanci, saboda gazawar sanyaya na iya ƙara haɗarin fashewa sosai.
Dalilan gama gari na fashe-fashe a cikin Laser Cladding
1. Damuwar zafi:
Ɗaya daga cikin manyan abubuwan da ke haifar da tsagewa shine damuwa na zafi wanda ya samo asali daga rashin daidaituwa a cikin ƙimar haɓakar haɓakawar thermal (CTE) tsakanin kayan tushe da Layer cladding. A lokacin sanyaya, yawan damuwa yana tasowa a wurin dubawa, yana ƙara yiwuwar fashewa.
2. Sanyi Mai Sauri:
Idan yanayin sanyaya ya yi sauri da yawa, ba za a iya sakin ragowar damuwa a cikin kayan yadda ya kamata ba, wanda zai haifar da samuwar tsagewa, musamman a cikin manyan tauri ko kayan karyewa.
3. Kayayyakin Kayayyaki:
Haɗarin faɗuwa yana ƙaruwa lokacin amfani da ma'auni tare da babban taurin (misali, quenched ko carburized/nitrided kayan) ko foda mai tsananin ƙarfi ko rashin dacewa. Abubuwan da ke da yadudduka na gajiya ko ingancin saman da bai dace ba na iya ba da gudummawa ga fashewa.
Matakan rigakafi
1. Inganta Ma'aunin Tsari:
A hankali daidaita ikon Laser, saurin dubawa, da ƙimar ciyarwar foda yana taimakawa daidaita yanayin zafi da yanayin sanyi, rage matakan zafi da haɗarin fashewa.
2. Preheating da Sarrafa sanyaya:
Preheating tushe kayan da ake ji a hankali, sarrafawa sanyaya bayan-cladding na iya taimakawa saura danniya, ragewa yuwuwar ci gaban fasa.
3. Zaɓin Kayan Kayan Foda Dama:
Zaɓin foda waɗanda suka dace da kayan tushe a cikin haɓakar haɓakar thermal da taurin yana da mahimmanci. Gujewa matsananciyar taurin ko rashin daidaituwa na thermal yana rage damuwa na ciki da samuwar fashewa.
Tasirin gazawar Chiller akan Ƙirƙirar Crack
A
ruwan sanyi
yana taka muhimmiyar rawa a cikin kula da thermal na Laser cladding kayan aiki. Idan da
ruwan sanyi
kasa
, Yana iya haifar da overheating na Laser tushen ko key aka gyara, compromising tsari kwanciyar hankali. Yin zafi fiye da kima na iya canza yanayin narkewar tafkin kuma yana ƙara yawan damuwa a cikin kayan, yana ba da gudummawa kai tsaye ga samuwar tsagewa. Don haka tabbatar da ingantaccen aikin chiller yana da mahimmanci don kiyaye ingancin sutura da hana lahani na tsari.
Kammalawa
Za'a iya rage raguwar fashewar ƙulla lasar yadda ya kamata ta hanyar sarrafa damuwa mai zafi, zaɓin kayan da suka dace, da kiyaye yanayin sanyi. Amintaccen ruwan shayar da ruwa wani sashi ne mai mahimmanci na tsarin, yana taimakawa tabbatar da daidaiton yanayin zafin jiki da amincin kayan aiki na dogon lokaci.
![Causes and Prevention of Cracks in Laser Cladding and the Impact of Chiller Failures]()