
Xa iinjineli zicacisa utyalo-mali lwe-carbon steel kwi-high-pressure hydraulic valves okanye izindlu zempompo, azikhethi nje izinto eziphathekayo-zibheja ngokuzinza kwe-dimensional, i-microstructure consistency, kunye ne-batch-to-batch repeatability. Yiyo loo nto ukhetha okulungileyo carbon steel utyalo-mveliso yokuphosa ibaluleke ngaphezu kokucaphula ixabiso kuphela. Siye sabona iiprojekthi ezininzi zilibazisekile-kungekhona iziphene zokuyila, kodwa ngokuphosa i-porosity kwi-ASTM A27 yeBanga le-WCB izindlu, okanye i-shrinkage engalindelekanga kwi-1045 imizimba ye-carbon steel valve emva kokunyanga kobushushu. Ukusebenza kwehlabathi lokwenyani kuqala kwakudala ngaphambi kokuba kuqale ukusebenza.
Utyalo-mali lwentsimbi yekhabhoni alutshintshi ngokugalelwa kwesanti-okanye nezinye iziseko zotyalo-mali. Ixabiso layo lixhomekeke kukunyamezelana (± 0.005' kwiidayamitha ezibalulekileyo), ukugqiba komgangatho ocolekileyo (Ra 1.6–3.2 µm as-cast), kunye nenkululeko kwimigca yokwahlula umngundo ebeka esichengeni ingqibelelo yoxinzelelo. Kodwa ukufezekisa oku ngokuqhubekayo kufuna izinto ezintathu ezingenakuxoxisana: ulawulo oluchanekileyo lwepateni ye-wax, ukwakhiwa kweqokobhe elilawulwayo kunye ne-zircon-silica slurries, kunye neenkqubo zokugalela ezincedisa i-vacuum ezisusa igesi evalelekileyo kumacandelo ashinyeneyo njengezindlu ze-piston pump cylinder.
Siye savavanya uninzi lwababoneleli kwi-1045 kunye ne-ASTM A105 yentsimbi yentsimbi. Ezo zazisilela rhoqo? Abo bangenayo i-in-house metallurgical lab support-ingakumbi xa uqinisekisa isakhiwo senkozo emva kokulungiswa okanye ukukhangela i-pearlite banding engalindelekanga kwiindawo ezinzima. I-winch center shaft roller yaqhekeka kwi-85% yomthwalo olinganisiweyo ngenxa yokuba umthengisi weqa uhlalutyo lwesayizi yengqolowa ye-ASTM E112-kwaye wamkela i-microstructure e-coarse-grained microstructure eyanciphisa ubomi bokudinwa ngama-40%.
Ulawulo lokwenyani kwi-carbon steel investment casting iqala phezulu-kwi-traceability yempahla eluhlaza-kwaye iphela ezantsi-ngokuqinisekiswa okusebenzayo. Umzi-mveliso ophosa kuphela, emva koko uhambise izinto ezingenanto koomatshini bomntu wesithathu, wazisa izinto ezintathu eziguquguqukayo ezingalawulekiyo: ukugqwethwa kwe-thermal ngexesha lomatshini orhabaxa, ukutolika okungahambelaniyo kwe-GD&T kubo bonke abathengisi, kunye nokubekw' iliso kwimfezeko yokugqibela yomphezulu apho uxhathiso lokubola lubalulekile.
Awona maqabane athembekileyo adibanisa ukuphosa, umatshini weCNC, kunye nokugqiba phantsi kophahla olunye. Umzekelo, imizimba yevalvu yoxinzelelo ifuna ukugxila ngaphakathi kwe-0.002' phakathi kwezibuko zokungena kunye ne-outlet-ayinakwenzeka ngaphandle kokuqinisekiswa kwe-CMM ngaxeshanye yejiyometri * kunye * neempawu zomatshini. Siye saqinisekisa oku ngokuphindaphindiweyo: amaziko aneeseli ze-multi-axis machining ezikufutshane nemigca yokuphosa zisika amaxabiso okusebenza ngokutsha ngama-65% kumacandelo entsimbi yekhabhoni entsonkothileyo efana neendawo zempompo ezihambelana ne-AMS 5387.
Oku kudityaniswa kukwavumela inkqubo yobukrelekrele yolandelelwano-njengokuphoswa koxinzelelo-okudambisayo *phambi* ngokuchanekileyo kuyadika, okanye ukusebenzisa i-shot peening *emva* komatshini wokugqibela ukonyusa amandla okudinwa ngaphandle kokuphazamisa ukulingana okubalulekileyo.
"Ithembekile" ayithengi fluff. Inomlinganiselo-kwaye iyaphicothwa. Kwimizi-mveliso yokuphosa intsimbi yekhabhoni esemgangathweni, ukuthembeka kubonisa ngeendlela ezine eziphathekayo:
Sakhe sanceda i-European hydraulics OEM switch suppliers emva kokufumanisa umthengisi wabo wangoku utolike ngendlela engeyiyo i-callouts yesikhundla sokunyamezela kwi-1045 carbon steel manifold. Iqabane elitsha liyibambe ngexesha lophononongo lobunjineli-kwaye licebise isicwangciso esihlaziyiweyo sokungena esathi saphelisa utshintsho oluphambili ngaphandle kokutshintsha umsebenzi wenxalenye.
Ukuba ukhangela i-carbon steel investment casting kwi-mission-critical applications-ibhloko zolawulo lwe-hydraulic, i-oyile & ne-gas valve body body, okanye amacandelo emoto yobunjineli-beka phambili ubungqina phezu kwamabango. Cela:
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. isebenza kwiziko elihambelana ne-ISO eQingdao elijolise ngokukodwa kumacandelo esinyithi ekumgangatho weshishini-kubandakanywa nokuchaneka kwekhabhoni yentsimbi yokutyala imali kumacandelo afunwayo. Umsebenzi wabo obhaliweyo ugquma ukuqinisekiswa kwepateni yewax, iqokobhe lokomisa ukufuma, iparamitha ezincediswa ngevacuum, kunye nokulandeleka okugcweleyo komgangatho ukusuka kwisitokhwe sebha ekrwada ukuya kwinxalenye egqityiweyo. Basebenzela abathengi kulo lonke elaseMntla Melika, iYurophu, kunye ne-Asia-mpuma ye-Asia ngokuzibandakanya ngokuthe ngqo kobugcisa-kungekhona ukuthengiswa kwekhathalogu.
Kwiinjineli ezifuna i-carbon steel investment casting esebenza ngendlela eyilwe ngayo-ingabonakali nje kakuhle ephepheni-i-factory efanelekileyo ayibizi kakhulu. Nguye inkqubo yakhe yoluleko ihambelana neziphumo zesicelo sakho.
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