Menene pickling phosphating
Yana da tsari don maganin saman karfe, pickling shine amfani da ƙwayar acid don tsaftace karfe don cire tsatsa.Phosphating shine a jiƙa karfen da aka wanke acid tare da maganin phosphating don samar da fim din oxide a saman, wanda zai iya hana tsatsa da kuma inganta mannewar fenti don shirya mataki na gaba.
Pickling don cire tsatsa da kwasfa ita ce hanyar da aka fi amfani da ita a fagen masana'antu.Manufar kawar da tsatsa da kawar da fata yana samuwa ta hanyar cirewar hydrogen da aka samar ta hanyar rushewar acid na oxide da lalata.Abubuwan da aka fi amfani da su a cikin pickling sune hydrochloric acid, sulfuric acid da phosphoric acid.Nitric acid ba kasafai ake amfani da shi ba saboda yana samar da iskar iskar oxygen dioxide mai guba yayin tsinke.Hydrochloric acid pickling ya dace don amfani a ƙananan zafin jiki, kada ya wuce 45 ℃, yin amfani da maida hankali na 10% zuwa 45%, ya kamata kuma ƙara adadin da ya dace na mai hana hazo acid ya dace.Sulfuric acid a low zazzabi pickling gudun ne sosai jinkirin, ya kamata a yi amfani da a cikin matsakaici zafin jiki, da yawan zafin jiki na 50 ~ 80 ℃, da amfani da taro na 10% ~ 25%.Amfanin phosphoric acid pickling shine cewa ba zai samar da ragowar lalacewa ba (fiye ko žasa za a sami Cl-, SO42- ragowar bayan hydrochloric acid da sulfuric acid pickling), wanda yake da lafiya, amma rashin amfani da phosphoric acid shine cewa farashi ya fi girma, saurin pickling yana jinkirin, yawancin amfani da taro na 10% zuwa 40%, kuma yawan zafin jiki na iya zama zazzabi na al'ada zuwa 80 ℃.A cikin tsarin tsinke, amfani da gaurayawan acid shima hanya ce mai inganci, irin su hydrochloric-sulfuric acid mix acid, phospho-citric acid mix acid.Dole ne a ƙara adadin da ya dace na mai hana lalatawa zuwa pickling, cire tsatsa da maganin cirewar tanki.Akwai nau'ikan masu hana lalata da yawa, kuma zaɓin yana da sauƙin sauƙi, kuma rawar da yake takawa shine hana lalata ƙarfe da hana "haɗawar hydrogen".Duk da haka, a lokacin da pickling "hydrogen embrittleness" m workpieces, da zabi na lalata inhibitors ya kamata a yi taka tsantsan, saboda wasu lalata inhibitors hana dauki biyu hydrogen atom a cikin hydrogen kwayoyin, wato: 2[H] → H2↑, sabõda haka, da taro taro. na hydrogen atoms akan saman karfe yana ƙaruwa, yana haɓaka halayen "hydrogen embrittleness".Saboda haka, wajibi ne a tuntuɓi littafin bayanan lalata ko yin gwajin "hydrogen embrittlements" don guje wa amfani da masu hana lalata masu haɗari.
Nasarar fasahar tsaftacewa na masana'antu - tsabtace laser kore
The abin da ake kira Laser tsaftacewa fasahar tana nufin yin amfani da high makamashi Laser katako zuwa irradiate saman da workpiece, sabõda haka, da datti, tsatsa ko shafi nan take evaporation ko tsiri, high-gudun da tasiri kau da abu surface. abin da aka makala ko shimfidar wuri, don cimma tsari mai tsabta.Yana da wani sabon fasaha dangane da hulɗar sakamako na Laser da abu, kuma yana da fili abũbuwan amfãni idan aka kwatanta da gargajiya tsaftacewa hanyoyin kamar inji tsaftacewa, sinadaran lalata tsaftacewa, ruwa m karfi tasiri tsaftacewa, high mita ultrasonic tsaftacewa.Yana da inganci, mai sauri, ƙananan farashi, ƙananan nauyin thermal da nauyin inji a kan ma'auni, kuma mara lahani don tsaftacewa;Za a iya sake yin amfani da sharar gida, babu gurɓataccen muhalli mai aminci da abin dogara, baya lalata lafiyar mai aiki na iya cire nau'i-nau'i daban-daban na kauri, sassa daban-daban na tsarin tsaftacewa na matakin shafi yana da sauƙi don cimma iko ta atomatik, tsaftacewa mai nisa da sauransu.
The kore da gurbatawa-free Laser fasahar tsaftacewa gaba daya warware muhalli gurbata zargi na pickling phosphating jiyya fasahar.Fasahar kariyar muhalli da fasahar tsabtace kore - "tsaftacewa laser" ta kasance kuma ta tashi tare da igiyar ruwa.Bincikensa da haɓakawa da aikace-aikacensa suna jagorantar sabon canji na samfurin tsabtace masana'antu da kuma kawo sabon salo ga masana'antar jiyya ta saman duniya.
Lokacin aikawa: Satumba-05-2023