Matsalolin masana'antar simintin nauyi na dindindin suna buƙatar fiye da narkakken ƙarfe da ƙera ƙarfe kawai. Suna buƙatar madaidaicin kulawar zafin jiki, sarrafa rayuwa mai maimaitawa, da horo na ƙarfe-musamman lokacin samar da ingantattun abubuwan haɗin gwiwa don famfuna na ruwa, bawul ɗin filayen mai, ko tsarin winch abin hawa. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun jefa sama da 12,000 matsi-rated baƙin ƙarfe da karfe sassa a dindindin molds tun 2018-da kowane gazawar, kowane girma drift, kowane micro-shrinkage taron koya mana abu daya: nauyi simintin gyaran kafa ba m zuba. Yana da sarrafa ƙarfi.
Me yasa Dindindin Simintin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙwararru
Wasu injiniyoyi suna ɗaukan simintin saka hannun jari ya maye gurbin simintin gyare-gyare na dindindin. Amma a cikin samarwa na gaske-ba ƙayyadaddun ƙayyadaddun lab ba - ƙwanƙwasa na dindindin yana ba da jujjuyawar juzu'i don gidaje kamar tubalan famfo famfo na silinda da jikin bawul ɗin matsa lamba. Me yasa? Saboda yawan zafin jiki na mold yana tsayawa tsakanin ± 5°C a fadin 300+ hawan keke lokacin amfani da preheated, mai rufi H13 kayan aiki karfe gyare-gyare. Yin simintin yashi ba zai iya daidaita wannan kwanciyar hankali ba. Simintin saka hannun jari yana gabatar da bambancin harsashi na yumbu da mafi girman saura damuwa. Mun auna shi: a kan 420 mm × 280 mm × 120 mm famfo tushe simintin gyare-gyare, m mold rike GD & T matsayi haƙuri zuwa ± 0.15 mm a kan 500 raka'a; Matsakaicin simintin yashi ± 0.32 mm, tare da juzu'i 17% saboda babban motsi.
Muna gudanar da layukan mizanin nauyi na dindindin guda biyu-ɗaya don baƙin ƙarfe (ASTM A), ɗaya don ƙaramin ƙarfe (A105N). Dukansu suna amfani da gating na ƙasa-zuba, sanyaya mai sanyi a sassa masu mahimmanci, da saka idanu na thermocouple na ainihi a bangon ƙura. Babu zato. Babu lokacin zagayowar “misali”. Kowane bangare yana da nasa ƙaƙƙarfan bayanin martaba da aka tsara a cikin rahotannin inganta aikin mu.
Inda Mafi yawan Masana'antu suka gaza - da Yadda Muke Gyara shi
Yawancin ayyukan masana'antar simintin gyare-gyaren nauyi na dindindin suna rushewa a maki uku: lalatawar ƙera, rashin daidaituwar zafin jiki, da ƙarancin ƙira mai ƙira don takamaiman ciyarwar gami. Mun ga wannan da hannu akan oda AMS 5387 cobalt alloy famfo gidaje. Simintin gyare-gyaren 19 na farko sun nuna porosity na ƙasa kusa da flange-duk da cikakkiyar sinadarai. Tushen dalili? Mold surface hadawan abu da iskar shaka bayan 42 hawan keke canza zafi hakar rates. Magani: Yanzu muna sake yin gyare-gyaren kowane nau'i na 35 ta amfani da fashewar alumina da murfin borosilicate na mallakar mallaka - wanda aka tabbatar da gwajin iskar infrared kafin kowace zuba.
Muna kuma tilasta tsauraran horo na zafin zafi. Tushen mu baya shiga cikin tanderun sanyi. Suna jiƙa a 280 ° C na minti 90, sa'an nan kuma su tashi zuwa 320 ° C ± 3 ° C kuma suna riƙe da minti 45 - aunawa a wurare masu zurfi uku. Wannan ba abin tattaunawa ba ne. Tsallake shi, kuma kuna samun fashe-fashe ko ɓarna a cikin abubuwan tushen T800. Abokan ciniki waɗanda ke ba da samfuran nasu sau da yawa suna yin watsi da wannan. Mun gwada nasu kafin karba.
Haɗin kai Shine Fa'ida Na Haƙiƙa—Ba Wajen Yin Simintin Ba
Maganin simintin simintin gyare-gyaren masana'anta na gaske ba ya tsayawa a girgiza. Yana ci gaba ta hanyar injina, magani mai zafi, da awoyi-duk ƙarƙashin rufin daya. A wurin aikinmu na Qingdao, gidan silinda na silinda yana motsawa kai tsaye daga cirewar zuwa CNC yana kunna Mazak Integrex i-200S. Babu jinkirin dabaru. Babu lahani mai kulawa. Babu sake saitin tsarin daidaitawa. Muna yin injina mai mahimmanci yayin da har yanzu simintin yana tsakanin 50°C na zafin jiki mai ƙarfi-yana rage murdiya da kashi 40% idan aka kwatanta da injin-zazzabi.
Haɗin mu na tsaye ya ƙunshi yadudduka huɗu: takaddun shaida (dukkanin zafi da za a iya ganowa zuwa rahoton gwajin niƙa), ingantaccen tsarin simintin gyare-gyare (tare da samfuran rediyo da ultrasonic ta ASME B16.34), mashin daidaitaccen mashin (CMM-tabbatar da ISO 2768-mK), da gwajin aiki (gwajin matsin lamba na hydrostatic har zuwa sanduna 450 akan al'ada). Wannan shine dalilin da ya sa na'urorin mu na cibiyar winch na motocin da ba a kan hanya ba suna samun damar wucewa 100% na farko-har ma tare da madaidaicin tapers da filaye da aka katse.
Zaɓin Abokin Hulɗar ku Ba Game da Farashi ba — Yana Game da Hasashen
Idan aikinku yana buƙatar masana'antar simintin gyare-gyare na dindindin wanda ke jigilar kaya akan lokaci, yana riƙe da GD&T ba tare da gardama ba, kuma yana ba da haxarin ƙirƙira kafin fara kayan aiki - kuna buƙatar iyawar da aka rubuta, ba da'awar talla ba. Yi waɗannan tambayoyi guda uku kafin sanya hannu:
- Za a iya nuna mani fakitin PPAP uku na ƙarshe-ciki har da rajistan ayyukan gyare-gyare da taswirar zafin rami?
- Kuna aiwatar da bincike kan kowane zafi, ko akan batches na farko kawai?
- Lokacin da simintin gyare-gyare ya gaza NDT, kuna bayar da rahoton aikin gyara-ko kawai sake sakewa?
Muna yin duka uku. Kowace lokaci. Tsarin mu na ISO 9001: 2015-certified tsarin yana bin kowane nau'in ƙirar ƙira, kowane albarkatun ƙasa, kowane maki bincike na CMM. Babu ware. Wannan shine yadda muke tallafawa abokan ciniki a duk faɗin Arewacin Amurka, Jamus, da Singapore-tare da isar da sifili a ƙarshen oda a cikin 2023.
Neman gaba, muna fadada mu nauyi m mold simintin gyaran kafa masana'anta damar a cikin matasan matakai: kusa-net-siffa m mold simintin gyaran kafa gama da Laser-taimaka CNC milling ga cobalt-nickel gami. Ba don labari ba ne - amma saboda bayanan filin sun nuna yana rage jimlar farashi da kashi 22% akan sassan da ke buƙatar haɗaɗɗun lissafin lissafi da matsananciyar juriya. Daidaito ba sashe ba ne. Yana da jerin.
