Lokacin da injiniyoyi suka ƙididdige sassa don famfunan ruwa na ruwa, bawul na bakin teku, ko tsarin winch masu nauyi, “haƙuri mai ƙarfi” ba kalmar tallace-tallace ba ne—buƙata ce da ba za a iya sasantawa ba. Matsakaicin 0.02 mm a cikin kujerar cobalt alloy bututun ƙarfe na iya haifar da yashwar da wuri. Matsakaicin 0.05° a cikin gidan famfo na silinda na piston yana haɓaka gazawar hatimi ƙarƙashin matsa lamba 350-bar. Wannan shine dalilin da ya sa ƙungiyoyin ƙira ke ƙara ƙetare kafuwar maƙasudi na gama-gari kuma suna tafiya kai tsaye zuwa wuraren da aka gina su a tsarin tsarin girma-ba kawai simintin gyare-gyare ba, amma Precision Casting pvt Ltd-Haɗin kai matakin ƙarfe, injina, da metrology.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana aiki da irin wannan kayan aiki a cikin Qingdao-Takaddar ISO, tsararru ta tsaye, da daidaitawa don mahimman abubuwan ƙarfe na manufa. Mun ga abokan ciniki sun dawo sau uku: na farko don tabbatar da samfur, na biyu don amsawar matukin jirgi akan daidaiton ƙarewa, na uku don oda mai cikakken girma-saboda mai ba da kayayyaki na farko ya rasa kiran GD&T akan gidajen famfo na AMS 5387 yayin murdiya magani. Wannan maimaita alkawari ba na ganganci ba ne. Ya fito ne daga shigar da dubawa a wuraren bincike guda biyar waɗanda ba za a iya sasantawa ba: takaddun shaida (rahoton gwajin niƙa waɗanda aka tabbatar da ASTM A494/A995), pre-machining CMM sikanin simintin simintin gyare-gyare, taswirar taurin magani bayan zafin zafi, tabbaci na ƙarshe tare da ƙirar gani, da gwajin matsi na kowane abokin ciniki.
Abin da ya raba wannan aiki daga daidaitattun shagunan kafa-da-CNC shine ƙayyadaddun tsarin gine-ginen aikin sa na alloy. Dauki T800 na tushen cobalt superalloys: ba a kera su bayan simintin simintin gyare-gyaren - an jefa su don * inji. Tsarin ƙirar yashi ya haɗa da dabarun daftarin izini da gating waɗanda ke rage saura damuwa a cikin sassan bangon bakin ciki kamar jikin bututun ƙarfe. Bayan haka, cibiyoyin CNC masu axis da yawa suna gudanar da hanyoyin daidaita kayan aiki waɗanda ke ramawa ga bambance-bambancen microstructural a cikin billet — an tabbatar da su ta hanyar saka idanu kan kayan aikin spindle na ainihin lokaci. Mun auna har zuwa 18% tsawon rayuwar kayan aiki yayin amfani da wannan hanyar tare da jerin ƙa'idodi na ƙarshe akan matosai na AMS 5387. Mahimmanci, ƙungiyar guda ɗaya tana aiwatar da ƙirar tsarin simintin gyare-gyare da gwajin GD&T na ƙarshe-kawar da giɓin ɓarna inda aka yi kuskuren fassarar juzu'i.
- Wuraren matsi: Machined daga ASTM A494 CW6MC simintin gyare-gyare, tare da wurin zama saman da aka riƙe zuwa Ra 0.4 µm da concentricity ≤0.015 mm - an inganta ta hanyar CMM mai jujjuyawar iska.
- Piston famfo Silinda gidaje: Yashi-simintin gyare-gyare a cikin ductile baƙin ƙarfe (ASTM A), sannan daidai- gundura zuwa ± 0.008 mm haƙurin ID, tare da zagayowar daidaitawar thermal tsakanin m da gama wucewa
- Winch cibiyar shaft rollers: Fabricated daga ƙirƙira 17-4PH bakin karfe, taurare zuwa HRC 40-44, sa'an nan ƙasa zuwa ± 0.005 mm zagaye-mahimmanci don ɗaukar daidaiton preload a ƙarƙashin ɗaukar nauyi
- Cobalt alloy nozzles: Zuba jari-simintin gyare-gyare daga UNS R30006, tare da duba hanyoyin kwarara na ciki ta hanyar duban CT don tabbatar da rashin ƙarancin ƙasa a sassan makogwaro mai mahimmanci.
Wasu suna ɗaukan babban madaidaicin simintin simintin gyare-gyare na buƙatun lokacin jagora. A aikace, akasin haka - lokacin da kuka kawar da madaukai na sake yin aiki. Ɗaya daga cikin famfo OEM na Turai ya rage jimlar lokacin isar da sashe da kashi 37% bayan an canza shi zuwa ƙirar QINGDAO QIANGSENYUAN ta hadedde. Mai kawo kayayyaki na baya ya buƙaci masu siyarwa daban-daban guda uku: ɗaya don simintin gyare-gyare, ɗaya don maganin zafi, ɗaya don gamawa-kowane yana ƙara kwanaki 7-10 da gabatar da hutun ganowa. Anan, lambar guda ɗaya tana bin kaya daga rasidin da aka samu ta hanyar gwajin fesa gishiri na ƙarshe. Rubutun batch sun haɗa da rajistan ayyukan bincike, taswirar ma'aunin zafi da sanyio, da ID na rahoton CMM-duk ana samun dama ga buƙata.
Wannan ba game da ma'auni ba ne - game da rabon sigina-zuwa-amo a cikin masana'antu. Kowane siga na tsari anan yana amsa yanayin gazawar filin: Me yasa amfani da simintin yashi akan saka hannun jari don gidajen Silinda? Saboda ƙimar sanyaya mai sarrafawa yana hana ɓarnar sigma-lokaci a cikin bakin karfe mai kauri mai kauri. Me yasa aka inganta GD&T kafin yin injina maimakon bayan? Domin mun ga kashi 22% na fasallan ƙira-ƙira sun zama marasa iya yin aiki saboda babban motsi-wanda aka kama da wuri, ba a dubawa ta ƙarshe ba. Me yasa ake riƙe cikakken abin ganowa? Saboda bawul ɗin filin mai yana tunawa akan tabbatar da kowane sashi ya wuce yarda da NACE MR0175 - ba kawai takardar shedar batch ba.
Idan aikin ku na gaba ya ƙunshi bawul ɗin matsa lamba da aka ƙididdige sama da mashaya 250, abubuwan haɗin cobalt da aka fallasa ga iskar gas, ko taron famfo da ke buƙatar haƙurin ISO 2768-mK, fara da bita na masana'anta-ba ƙaddamar da RFQ ba. Tambayi bincike-binciken yanki na bangon zanen ku mafi ƙanƙanta, taswirar ƙaƙƙarfan ƙaƙƙarfan taswira, da simintin kayan aiki don mahimmin ɓarna. Bukatar shaidar daidaitawar CMM na cikin gida (ba kawai "ƙwararrun kayan aiki") ba, kuma tabbatar da cewa ana shigar da hanyoyin maganin zafi ta kowace AMS 2750E-ba kawai "kowace ƙayyadaddun bayanai ba." Ba a samun daidaito a binciken ƙarshe. An gina shi a cikin zub da farko, yanke na farko, farkon zagayowar thermal. Wannan shine gaskiyar aiki a bayan kowane Precision Casting pvt Ltd mafita daga Qingdao.
