Yonke imboni yokulingisa insimbi iqala ngombuzo ofanayo: Uyiguqula kanjani insimbi encibilikisiwe ibe yingxenye engeke iqhekeke ngaphansi kwamabha angu-300 okucindezela kwamanzi—noma ukusinda emahoreni angu-10,000 kusevisi yegesi emuncu? Kwa-QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., siye saphonsa futhi sasebenza ngomshini amavalvu okucindezela angaphezu kuka-12,000, ama-piston pump housings, namabhomu e-cobalt-alloy kusukela ngo-2015. Silahle u-47% wenqwaba ye-AMS 5387 ngemuva kokuhlaziywa kwe-microstructure kwembule ukuhlukaniswa kwe-interdendritic. Lawa akuwona amacala ezincwadi zokufunda-kuyizinqumo zansuku zonke ezichaza lokho okuyisisekelo kwefekthri yokuphonsa insimbi imisebenzi.
Ubuqotho Bempahla Abucatshangwa—Buyaqinisekiswa
Awukwazi ukuphonsa izingxenye ezisebenza kahle kusuka kokuthi "insimbi engagqwali evamile." Esikhungweni sethu se-Qingdao, konke ukushisa kwengxube ye-T800 esekelwe ku-cobalt kufika nemibiko yokuhlola egcwele yokugaya—futhi sihlola kabusha ikhabhoni, i-chromium, nokuqukethwe kwe-tungsten ngaphambi kokuncibilika. Kungani? Ngoba ukuchezuka okungu-0.03% kokuqukethwe kwe-cobalt kushintsha izinga lokushisa le-solidus ngo-12°C. Lokho kushintsha amazinga okupholisa isikhunta. Lokho kuthinta usayizi wokusanhlamvu. Lokho kubeka engcupheni impilo yokukhathala kumarola we-winch center shaft. Sisebenzisa i-OES (Optical Emission Spectrometry) kumabha angenayo futhi siqinisekisa i-ASTM A957 yokufaka utshalomali, i-ASTM A159 yensimbi empunga, kanye ne-AMS 2269 ye-cobalt-nickel alloys. Akukho okuhlukile. Cha “themba kodwa qinisekisa”—siqinisekisa kuqala, bese siyaphonsa.
Ukukhetha Kwenqubo Yokusakaza Kubeka Ingxenye Yamandla
Ukubunjwa kwesihlabathi kusingatha isisekelo sephampu emikhulu efika ku-1,800 kg—kodwa kudinga ukulawulwa okuqinile kwe-binder ukuze kugwenywe ukukhubazeka kwemithambo ezindaweni ezihlala amasilinda amancane. Ukutshala imali kuletha ukuphindaphindeka kobukhulu obungu-±0.05 mm kumapulagi we-cobalt alloy AMS 5387—kodwa kudinga isinxephezelo esinembile sokunwetshwa kwephethini ye-wax. Asikhethi inqubo eyodwa bese siphoqa zonke izingxenye. Kunalokho, senza imephu ingxenye ngayinye ngokuqhathanisa nemibandela emithathu: isilinganiso sobukhulu bodonga, imfuneko yokuqedwa kwendawo (Ra ≤ 1.6 µm vs. Ra ≤ 6.3 µm), kanye nendlela yokulayisha esebenzayo. Isibonelo, umzimba we-valve ye-hydraulic pressure valve isebenzisa ukusakaza kwesihlabathi kwegobolondo layo langaphandle—kodwa amaphaseji okugeleza kwangaphakathi angama-CNC-post-cast afakwe ngomshini ukuze abambe ukubekezelelana kwe-GD&T kuqine kuno-±0.025 mm. Leyo ndlela ye-hybrid ayiyona inketho. Kuyindlela ohlangabezana ngayo nezicaciso zokuhlanzeka ze-ISO 8502-3 *kanye* ne-ASME B16.34 yezilinganiso zokucindezela.
Ukuzinza Kwe-Dimensional Kuqala Ngaphambi Kokuthelwa Kwesikhunta
Sake sathola umdwebo wendlu yephampu yepiston enezibhobo ezibucayi eziyi-12—konke kucaciswe ku-±0.015 mm. Ikhasimende belilindele ukulingisa kuze kuqedelwe imishini. Kodwa ukufinyela okushisayo ku-ductile iron kuyahlukahluka ngobukhulu besigaba. Udonga oluyi-45-mm lushwabana ngo-0.28% ngaphezu kwezimbambo ezingama-22-mm. Ngakho-ke sakhe izibonelelo ezinciphayo kumathuluzi ephethini—hhayi njengama-offset angaguquki, kodwa njengamajika epharamitha eboshelwe esikhathini sokuqina sasendaweni (sibalwe nge-MAGMAsoft simulation). Sabe sesiqinisekisa ukuziphatha kokuncipha ngokulingisa kokuhlolwa komhlatshelo, okukalwa nge-Zeiss PRISMO CMM. Kungaleso sikhathi kuphela lapho sigunyaze ukuqaliswa kokukhiqiza. Kungakho ukuhlola kwethu okungaphakathi kwenqubo kuhlanganisa ukulinganisa okungu-100% kokudidiyelwa ezigabeni ezintathu: njengokuphonswa, ngemva kokukhululeka kwengcindezi, kanye ne-post-machining. Ukulandeleka akuwona umbiko—inombolo ye-serial efakwe nge-laser exhumanisa zonke izingxenye nelogi yayo encibilikayo, ijika lokwelapha ukushisa, kanye nombiko wokugcina we-CMM.
Ukulawulwa Kwekhwalithi Kwakhelwe Kuzo Zonke Izinyathelo Zokuhamba komsebenzi
Amanye amafekthri aphatha i-QC njengesango ekugcineni. Siyayishumeka lapho kwenzeka khona ukwehluleka: irisidi yezinto ezingavuthiwe, ukuhlanganisa isikhunta, ukugadwa kwezinga lokushisa elithelayo, isikhathi sokunyakaziswa kwe-shakeout, nokuhlola ubulukhuni bokwelashwa kwangaphambi kokushisa. Abahloli bethu basebenzisa izibhamu ze-PMI eziphathwayo ukuze baqinisekise izinga lengxubevange ngaphambi kokusakaza—kanye nokuhlolwa kwe-ultrasonic (ASTM E114) kukho konke ukusakaza kwensimbi okuyingxenye ewugqinsi engaphezu kuka-75 mm. Ezingxenyeni ze-cobalt-nickel, sengeza ukuhlolwa kwe-fluorescent penetrant (ASTM E1417) ngoba imifantu emincane ifihla emingceleni ye-dendritic. Futhi yebo—sigcina wonke amarekhodi ngokwedijithali iminyaka eyi-15. Hhayi ngoba izinga lisho njalo, kodwa ngoba lapho i-OEM yaseYurophu ilandelela ukwehluleka kwenkambu kuqeqebana elilodwa le-AMS 5387, sidonse umlando ophelele wokuhlola ngemizuzwana engama-83. Akukho ukuqagela. Akukho ukubambezeleka.
I okuyisisekelo kwefekthri yokuphonsa insimbi impumelelo ifinyelela kokuthathu okungaxoxiswana ngakho: isiyalo se-metallurgical, ukubona izinto kusengaphambili kohlangothi oluthile lwenqubo, kanye nokuqina kokuhlola okufakwe ekuhambeni komsebenzi—okungavaliwe ekugcineni. Kwa-QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., lezo zisekelo aziyona inkolelo-mbono. Ziyindlela esiwaletha ngayo amavalvu okucindezela asebenza ku-450°C ngaphandle kokuvuza, izindlu zokumpompa ezigcina ukugxila ngemva kwemijikelezo eyizigidi ezingu-2, namabhomu e-cobalt alloy amelana nokuguguleka kumaphampu anodaka olubi. Njengoba ubunkimbinkimbi be-hybrid bomshini wokulingisa bukhuphuka—kanye namazinga afana ne-NORSOK M-650 kanye ne-API 6A aqina—okuyisisekelo akushintshi. Bamane bafuna ukubulawa okujulile. Yilapho ulwazi luhlangana khona nobunjiniyela.
