Lokacin da injiniyoyi suka bayyana 17-4 zuba jari don manyan bawul ɗin hydraulic mai ƙarfi ko gidaje famfo turbine, ba kawai zaɓin abu bane - suna yin fare akan kwanciyar hankali mai girma, juriya na lalata, da daidaiton microstructural a ƙarƙashin hawan keken thermal. Shi ya sa zabar dama 17 4 zuba jari simintin gyaran kafa factory al'amura fiye da faɗin farashi kaɗai. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Mun jefa sama da 2,300 na musamman na 17-4 PH tun daga shekarar 2019-kowanne yana buƙatar kulawar GD&T mai tsauri, cikakken yanayin maganin zafi, da rashin daidaituwa akan AMS 5643 yarda.
Me yasa 17-4 PH ke Buƙatar Fiye da Daidaitaccen Simintin Zuba Jari
17-4 PH bakin karfe ba "wani bakin karfe bane kawai." Halin hazo-taurinsa yana nufin kowane mataki-daga ƙirar ƙirar kakin zuma zuwa sake zagayowar tsufa na ƙarshe- kai tsaye yana tasiri ƙarfin samar da ƙarfi, rayuwar gajiya, da injina. Mun ga abokan ciniki sun kasa gudanar da samfuri saboda masu siyar da su sun yi amfani da gyare-gyaren harsashi da aka tsara don 316, ba haɓakar haɓakar thermal ba da ƙarancin ƙarfi na 17-4 PH. Sakamakon? Micro-shrinkage a cikin jikin bawul na bakin ciki-bangon, wanda bai dace ba HRC 38-42 bayan tsufa na H900, ko fashewar saman yayin da bayan jefarwar danniya.
Kafofin watsa labarun mu na ISO 9001 yana magance wannan tare da ginanniyar kariya guda uku: Na farko, ƙirar harsashi na yumbu na al'ada wanda aka kunna don 17-4's 1450°C zuba zafin jiki. Na biyu, sarrafa sanyaya ramps a cikin injin-taimakawa murhun murhun wuta-babu quenching-iska. Na uku, tabbataccen CMM na wajibi bayan zafi-jiyya akan mahimman bayanai kafin fara aikin injin. Wannan shine yadda muke riƙe ± 0.05 mm akan diamita na 300 mm ba tare da niƙa na biyu ba.
Haɗin Kai Tsaye Yana Warware Abubuwan Ciwo na Haƙiƙa
Yawancin masu siye suna ɗaukar simintin gyare-gyare da CNC azaman masu siyarwa daban. Wannan yana haifar da gibin hannu: tsarin datum mara kyau, alawus-alawus na hannun jari mara sadarwa, ko jinkirin martani kan canjin kauri na bango. A wurin aikinmu na Qingdao, ƙungiyar injiniya iri ɗaya ce ta mallaki cikakken sarkar-daga ƙirar ƙirar saka hannun jari ta hanyar wucewa ta ƙarshe.
- Muna injin duk simintin gyare-gyare na 17-4 a cikin gida ta amfani da 5-axis DMG MORI NTX 1000s, yana kawar da rashin daidaituwa tsakanin masu siyar da tsarin daidaitawa.
- Ma’aikatan ƙarfe namu sun haɗa hannu kan taswirar maganin zafi tare da takaddun shaida-kowane tsari yana komawa zuwa ƙwararrun mashaya SAE AMS 5604
- Ƙarshen saman ba abu ne da za a yi tunani ba: Ra 0.8 µm daidai ne akan fuskokin rufewa; Ra 0.4 µm yana samuwa tare da lantarki-wanda aka tabbatar ta hanyar profilometer, ba ƙididdigar gani ba
Wannan haɗin kai yana yanke lokacin jagora ta hanyar 37% akan umarni na matsakaici (50-500 pcs) kuma yana kawar da sake yin aiki daga tunanin tsarin da bai dace ba. Ɗaya daga cikin famfo na OEM na Arewacin Amurka ya rage gazawar filin da kashi 92% bayan canzawa daga ƙirar mai ba da kayayyaki biyu zuwa tushen mu guda ɗaya na 17-4 PH.
Abin da Abokan ciniki ke Tambayi Ainihin Kafin Sanya oda na Farko
"Za ku iya jefa tashoshi masu sanyaya na ciki a ƙarƙashin diamita 2.5 mm?" Ee-mun samar da ramukan makafi na mm 1.8 a cikin gidajen silinda 17-4 ta amfani da dabarun batattu waɗanda aka tabbatar ta hanyar CT scan na masana'antu.
"Shin kuna tallafawa H1150M + tsufa biyu don tsananin ƙarfi?" Ee-tanderun mu yana yin rikodin ƙimar raguwa, lokutan jiƙa, da bayanan martaba a kowane yanki mai yawa, tare da sa hannun dijital daga QA da jagororin ƙarfe.
"Mene ne mafi ƙarancin odar ku don ƙirar lissafi mara misaltuwa?" Babu ƙayyadadden MOQ. Muna gudanar da samfura akan bishiyar harsashi da aka raba lokacin da zai yiwu-kuma muna raba farashin kayan aiki a bayyane. Amma ba za mu faɗi ba idan kaurin bango ya faɗi ƙasa da 4.2 mm ko daftarin kusurwa ya faɗi ƙasa da 1.5°. Waɗannan iyakokin ba na son rai ba ne; sun dogara ne akan gazawar binciken labarin farko guda 127 da suka shiga cikin bayananmu na NCMR na ciki.
Muna amsa waɗannan tambayoyin gaba-ba a cikin kiran tallace-tallace ba, amma a cikin rahoton nazarin injiniyarmu, wanda aka kawo a cikin sa'o'i 72 na ƙaddamarwa.
Neman Gaba: Inda Madaidaicin Simintin Tafiya Ke Gaba
Iyaka ta gaba ba manyan sassa ba ne - yana da mafi wayo. Yanzu muna shigar da ƙananan siffofi kai tsaye cikin simintin saka hannun jari na 17-4: lambobi masu ƙima na laser waɗanda za'a iya karantawa bayan harbin harbi, haɗaɗɗun hanyoyin tabbatarwa na sanyaya, da saman datum wanda aka riga an yi shi zuwa ± 0.015 mm kafin CNC ta ƙarshe. Waɗannan suna kawar da matakan yin alama bayan simintin kuma suna rage wuraren dubawa da kashi 60%.
Mayar da hankalinmu na R&D ya kasance kunkuntar kuma mai zurfi: inganta hanyoyin samar da kayayyaki inda saka hannun jari ke ba da siffa ta kusa-net, kuma ingantacciyar mashin ɗin yana ƙara filaye masu aiki kawai inda ake buƙata. Babu allunan “mai girma-daya-daidai-duk”. Babu jiyya mai zafi na kashe-kashe. Maimaituwa kawai, rubuce-rubuce, aikin 17-4 PH wanda za'a iya tantancewa - ana isar da shi daga guda ɗaya 17 4 zuba jari simintin gyaran kafa factory a Qingdao wanda ke ɗaukar takaddun ku kamar kwangila, ba shawara ba.
