Monel 400 machining yana buƙatar fiye da daidaitattun ka'idoji na bakin karfe - yana buƙatar mutunta yanayin ƙarfin aikin sa, ƙwaƙƙwaran haɓakar zafin jiki, da ƙazantawa. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun machined a kan 12,000 kg na Monel 400 aka gyara tun 2020-matsi bawuloli don subsea na'ura mai aiki da karfin ruwa manifolds, piston famfo Silinda gidaje ga high-matsa lamba fracturing raka'a, da kuma al'ada kwanciyar hankali AMS 538 famfo 538. Load ɗin keken keke ba abin tattaunawa ba ne. Abin da muka koya ba na ka'ida ba ne. An haɗa shi cikin ƙirar kayan aiki, sikanin mutuncin saman, da kuma sake maimaita labarin farko a cikin OEMs na Arewacin Amurka.
Fara da Madaidaicin Geometry na Kayan aiki-Ba kawai Rufi Mai Wuya ba
Shagunan da yawa sun saba zuwa ƙwanƙwasa PVD mai rufin carbide lokacin da ake magance injin Monel 400. Amma mun gano cewa abubuwan da suka gaza ba su kasawa daga zafi ba - suna kasawa daga ginin da aka gina (BUE) da micro-chipping a gefen yanke. Me yasa? Babban abun ciki na nickel na Monel 400 (63-70%) da jan karfe (28-34%) suna ƙirƙirar guntu mai ɗanɗano, guntu ductile wanda ke welded zuwa fuskar rake idan kusurwoyin taimako sun yi zurfi sosai ko kuma prep ɗin gaba yana da ƙarfi sosai. Maganin mu: amfani Ingantattun kusurwar rake (12°-15°), babban hanci radi (0.8-1.2 mm), kuma honed-ba ƙasa-yanke gefuna. Muna guje wa honing mai kaifi; a maimakon haka, muna amfani da 0.02-0.04 mm T-land tare da 0.01 mm chamfer. Wannan yana rage karaya yayin da yake kula da guntu. Don juyawa, muna gudanar da Sandvik CoroTurn® 107 tare da maki GC4325. Don niƙa, Mitsubishi APXM410 tare da VP15TF shafi yana ba da daidaitaccen rayuwar kayan aiki na minti 45 a 85 m/min—a kan mintuna 18 ta amfani da kayan aikin ISO S na gama gari.
Coolant Ba Zabi Ba — Layin Tsaronku na Farko ne
Wasu sun yi imanin cewa na'urar sanyaya matsa lamba ya wuce kima ga injin Monel 400. Mun tabbatar da in ba haka ba yayin wani sabon tsari na winch center shaft rollers don injin injiniyan OEM. Ba tare da sanyaya ta kayan aiki a mashaya ≥70 ba, ƙaƙƙarfan yanayi ya karu daga Ra 0.8 µm zuwa Ra 2.1 µm - kuma ƙananan ƙananan ƙananan ƙananan sun bayyana bayan gwajin ultrasonic. Monel 400's low thermal conductivity (21.8 W / m · K a 100 ° C) tarko zafi a cikin yanke yankin. Wannan zafi yana sassauta kayan aikin a cikin gida, yana haɓaka lalacewa, kuma yana haifar da aiki tuƙuru a gaban kayan aiki - yin ƙetare na gaba da ƙarfi. Yanzu mun ba da umarni Emulsion mai-mai narkewa (8-10% maida hankali) isar da ta tashoshi na ciki a mashaya 60-90. Babu fashewar iska. Babu hazo. Kuma ba madaidaicin mai ba - ba shi da ma'anar da ake buƙata don yanke gwangwani da tsafta. Muna saka idanu pH mako-mako kuma muna maye gurbin coolant kowane mako 4, ba tare da la'akari da ƙarar da aka yi amfani da ita ba. Gurɓataccen sanyi yana haifar da saurin lalacewa a saman da aka gama-musamman kusa da tushen zaren da yanke.
Daidaitawa da Dabarun Ciyarwa Ya Fi Ƙarfin Spindle Mahimmanci
Mun taɓa goge jikin bawul guda 17 a cikin motsi ɗaya - ba saboda gazawar kayan aiki ba, amma saboda juzu'i. Monel 400's high modules of elasticity (179GPa) yana rufe girgiza, amma ƙarfin sa yana tsalle 40% bayan aikin sanyi 5%. Don haka idan na'urarka ta ba da damar ko da motsi na 0.015 mm yayin roughing, zaku sami alamun zazzagewa waɗanda ke ƙin goge gogewa da kuma daidaita matsi. Ka'idar daidaitawar mu: matsa cikin diamita 1.5 × sashi na yankin yanke, Yi amfani da tauraren ƙarfe mai tauri tare da serrations 45°, kuma tabbatar da matse ƙarfi tare da sel masu kaya-ba magudanar wuta ba. Don ciyarwa, muna guje wa ƙimar abinci akai-akai. Madadin haka, muna haɓaka ciyarwa da 15% kowane 2 mm na zurfin yanke yayin roughing. Wannan yana hana hawan kaya kwatsam wanda ke jawo BUE ko cire kayan aiki. A ƙarshe, muna rage ciyarwa da 30% kuma muna ƙara RPM kaɗan-ƙarshen saman yana inganta 35%, kuma ragowar damuwa ya faɗi ƙasa da 120 MPa (wanda aka auna ta XRD).
Kar a Tsallake Taimakon Damuwar Mashina Bayan-Machining—Ko da na “Sauƙaƙan” Sassa
Abokin ciniki ya taɓa yin watsi da tushen famfo guda 42 saboda gwaje-gwajen yadudduka sun gaza a mashaya 220 - duk da wuce duk matakan bincike. Binciken ƙarfe na ƙarfe ya nuna matsananciyar ƙarancin ƙarfi> 400 MPA kusa da tashar jiragen ruwa da aka haƙa, wanda ya haifar da nau'in injin da ba a warware ba. Monel 400 baya shakatawa danniya kamar karfe mai laushi. Lattice ɗin sa na FCC yana tsayayya da motsin karkatarwa, kullewa cikin nakasawa. Yanzu muna nema rage damuwa da damuwa a 540-590 ° C na sa'o'i 1-2 a cikin busassun hydrogen. ga duk sassa tare da yanayin yanayin> 3: 1 ko fasalulluka da ke buƙatar ≤± 0.025 mm GD&T. Mun tsallake tanderu sanyi-muna sanyaya iska don riƙe kaddarorin inji. A biya? Zero sake yin aiki akan majalisu masu mahimmancin matsin lamba a cikin watanni 18 da suka gabata. Kuma a—muna rubuta kowane zagayowar tare da masu satar tanderu waɗanda za a iya gano su zuwa ƙa'idodin NIST.
Monel 400 machining ba game da rashin ƙarfi bane. Yana game da madaidaicin choreography tsakanin kayan aiki, mai sanyaya, gyarawa, da kula da thermal. Kowane siga yana hulɗa. Canja ɗaya ba tare da daidaita sauran ba, kuma rayuwar kayan aiki ta ruguje-ko mafi muni, mutuncin ɓangaren yana yi. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mu bi kowane Monel 400 aiki a matsayin metallurgical kwangila: ba kawai yankan karfe, amma kiyaye ta aiki hatsi tsarin, surface mutunci, da kuma dogon lokacin da lalata juriya. Idan aikin ku na gaba ya ƙunshi mashin ɗin kuɗi na 400-ko yana da gidauniyar cobalt-alloy nozzle ko kuma abin da ba daidai ba na tushen famfo T800-farawa tare da tabbatar da kayan aiki, tabbatar da tsarin ku akan bayanan lalacewa na zahiri, kuma kada ku taɓa ɗaukan alloy yayi kama da bakin 316. Domin a cikin matsanancin matsananciyar matsananciyar yanayi, yanayin lalata, zato ba sa rufewa. Daidaitawa yayi.
