Zaɓin mafi kyawun kakin zuma don masana'antar simintin kakin zuma ta ɓace Ayyukan ba game da nemo zaɓi mafi arha ba — game da kawar da wuraren gazawar ɓoyayyi ne kafin su isa tanderun. Mun ga abubuwan samarwa da yawa sun tsaya tsayin daka a matakin ƙonawa saboda ragowar kakin zuma yana toshe wurare masu kyau a cikin gidan famfo na cobalt gami. Wasu sun kawar da kashi 30 cikin 100 na tsari bayan fashewar harsashi - an gano su zuwa haɓakar yanayin zafi mara daidaituwa yayin lalata. Waɗannan ba haɗari ba ne na ka'idar. Waɗannan farashin yau da kullun ne a cikin lokaci, kayan aiki, da amincin abokin ciniki.
Me yasa Daidaitaccen Waxes ya gaza Karkashin Buƙatar Masana'antu
Yawancin masana'antu suna farawa da kakin zumar saka hannun jari da aka ƙera don kayan ado ko ƙananan simintin ƙarfe na aluminum. Wannan yana aiki - har sai kun gudanar da jikin AMS 5387 cobalt alloy valve a 1,550 ° C ko nozzles na tushen T800 da ke buƙatar ± 0.05 mm iko mai girma akan sassan bangon 0.8 mm. Matsakaicin kakin zuma ba su da halaye uku waɗanda ba za a iya sasantawa ba: daidaitaccen ƙonawa mara toka a ƙasa da 650 ° C, ƙonawar sifili bayan rushewa, da raguwar thermal ƙasa da 0.45% daga 25 ° C zuwa 60 ° C. Idan ba tare da su ba, kuna samun ma'adinan carbon wanda ke lalata saman ƙasa, ƙwanƙwasa mai jan da ke karkatar da ɓangarorin bakin ciki, ko ƙananan fashe a cikin bawo na yumbu yayin lalatawar tururi.
Mun gwada waxes masana'antu guda bakwai a cikin watanni 18 - gami da gaurayawar mallakar mallaka guda biyu - akan ɓangarorin samarwa na gaske: fistan famfo silinda gidaje, bawul ɗin matsa lamba na hydraulic, da na'urori masu amfani da wutar lantarki. Uku ne kacal suka wuce ingantaccen sake zagayowar. Babban mai yin wasan kwaikwayo ba shine kakin zuma mafi girma ba. Ita ce wacce ke da mafi ƙarancin ƙarfi mai ƙarfi (52-54°C), mafi ƙarancin danko a 65°C (8,200 cP), da ragowar ash ɗin da ke ƙasa da 0.003% bayan 620°C/2-hour ƙonawa ga ASTM F2897.
Sharuɗɗan Fasaha huɗu Babu Kamfanin da Ya Kamata Ya Tsallake
Manta da'awar talla. Ga abin da a zahiri ke da mahimmanci lokacin cancantar kakin zuma don simintin saka hannun jari mai girma:
- Kwanciyar kwanciyar hankali bayan allura: Kakin zuma dole ne ya riƙe haƙurin GD&T ta hanyar sanyaya-har ma akan sassan asymmetric kamar tushen famfo mai tsayin mm 220 da kauri na bango 3.2 mm. Mun auna shrinkage a maki uku: ainihin, tsakiyar bango, da gefen flange. Karɓar karkacewa: ≤0.38% jimlar canjin layi.
- Daidaituwar lalatawa: Dewaxing tururi yana buƙatar sauri, cikakken narkewa ba tare da kumburi ko kumburi ba. Waxes tare da> 0.8% free fatty acids suna yin kumfa a ƙarƙashin cikakken tururi - yana haifar da lalata harsashi. Tabbataccen izinin wucewa: babu ragowar bayyane a cikin tashoshi 3 mm na sanyaya bayan sake zagayowar tururi na minti 12 na 160°C.
- Ikon mannewar Shell: Mannewa da yawa yana haifar da karyewar harsashi yayin kulawa. Kadan yana haifar da slurry dagawa. Madaidaicin makamashin saman kakin zuma: 34-36 mN/m a 30°C—ana auna ta hanyar goniometry na kusurwa, ba zato ba.
- Matsakaicin sake amfani: Kakin zuma da aka sake yin fa'ida yana raguwa da sauri cikin ɓangarorin da ba su da ƙarfi. Muna bin diddigin alamar walƙiya da haɓaka lambar acid. Iyakar sake amfani: max 3 hawan keke idan lambar acid ta tsaya <0.8 MG KOH/g kuma makiyin walƙiya ya rage ≥110°C.
Abubuwan da aka bayar na QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. Yana Tabbatar da Ayyukan Wax
A wurin mu na yarda da ISO a Qingdao, cancantar kakin zuma ba aikin dakin gwaje-gwaje ba ne - ƙofar samarwa ne. Kowane sabon kakin zuma yana yin gwaje-gwaje guda huɗu a lokaci guda:
- Gudun gwaji mai kashi 50 na ainihin ɓangaren abokin ciniki: AMS 5387 cobalt alloy plug tare da juriyar radial 0.5 mm akan 12 mm OD.
- Ma'aunin CMM kafin da bayan-dewaxing don ƙididdige ɓarnar ƙira.
- Binciken Thermogravimetric (TGA) na ragowar ƙonawa akan abubuwan ƙarfe na bakin karfe - an tabbatar da taswirar matakin SEM-EDS.
- Haɓaka tsufa: 72 hours a 40 ° C/85% RH, biye da ƙarfin jurewa da gwajin tsawo ta ASTM D638.
Wannan tsari ya kama kakin zuma guda ɗaya wanda ya hadu da duk takaddun ƙayyadaddun bayanai - amma gwajin gwaji #2 ya gaza. Matsakaicin haɓakar haɓakar yanayin zafi ya karu sama da 85 ° C, yana haifar da 0.12 mm diyya a cikin madaidaicin kafaɗar rufewa. Wannan ɓangaren da ya wuce dubawa na gani amma ya leka a mashaya 350 a hidimar fage. Ba mu jigilar zato. Muna jigilar bayanai.
Zaɓin Kakin Kakinku: Matakai na gaba masu Aiki
Kada ka dogara ga samfuran masu siyarwa kadai. Gudanar da wannan lissafin kafin kammala naku mafi kyawun kakin zuma don masana'antar simintin kakin zuma ta ɓace zabi:
- Nemi cikakken TGA masu lankwasa-ba kawai da'awar "kyauta ba". Bukatar ragowar nauyi% a 550°C, 600°C, da 650°C.
- Gwada dewaxing akan ainihin tsarin harsashi: ɗaure iri ɗaya, stucco iri ɗaya, jadawalin bushewa iri ɗaya. Kakin zuma mai cikakke don harsashi na silica sol na iya yin kasala da bala'i tare da zircon colloidal.
- Tabbatar da sigogin allura akan injinan ku: zazzabin bututun ƙarfe, saurin cikawa, matsa lamba. Matsakaicin 2°C a cikin zafin narke na iya canza yanayin yanayin Ra da 0.4 µm—isa ya shafi slurry yumbura.
- Bukatar gano batch: lambar kuri'a, takaddun shaida, da rahotannin QC da suka dace da odar siyan ku. Babu ware.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. maɓuɓɓugan bokan waxes suna saduwa da waɗannan ƙofofin don samar da nata—kuma suna raba cikakkiyar ƙa'idar tabbatarwa tare da ƙwararrun abokan hulɗa. Domin daidaitaccen aikin kakin zuma ba cibiyar farashi bane. Ita ce farkon matakin daidaiton girman ga kowane bawul ɗin matsa lamba, kowane gidan famfo, kowane ɓangaren cobalt gami da aka gina don tsira daga damuwa na duniya.
Dubi bayan wurin narkewa. Auna raguwa. Bibiyar saura. Tabbatar da lissafin ku. Haka za ku daina bin lahani na simintin gyaran kafa-kuma ku fara jigilar sassan da ke aiki.
