Lapho onjiniyela becacisa amasevisi emboni yokuphonsa isihlabathi se-iron, abagcini nje ngoku-oda izingxenye—bavikela ubuqotho besakhiwo ngaphansi kwengcindezi, ukuqina kobukhulu kuyo yonke imijikelezo yokushisa, nokuthembeka kwesikhathi eside ezindaweni ezihuzukayo, ezinengcindezi ephezulu. Kwa-QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., siye saphonsa izingxenye zensimbi ezingaphezu kuka-12,000 zemizimba yama-valve asebenza ngogesi, izindlu zephampu ye-piston, nama-winch center shaft rollers—ngalinye ligunyazwe ngokumelene ne-AMS 5387 metallurgical specs, ISO 9001 yokuhlola izinqubo zezimoto ze-OEM zaseNyakatho Melika.
Okuhlukanisa ukulingisa okusebenzayo kokubalulekile komgomo akusona nje isikhunta—indlela ukuziphatha okubonakalayo, ukunqwabelana kokubekezelela imishini, nokulandelana kokwelashwa kokushisa okuhlanganayo ngesikhathi sokukhiqiza. Sibone amakhasimende enqaba izingxenye ngemva kwezinyanga ezingu-18 sisensimini—hhayi ngenxa yokuqina noma ukushwabana, kodwa ngenxa yokuthi ukuhlukaniswa kwesakhiwo esincane endaweni yokusangweni kusheshise ukuguga ekusetshenzisweni kwepiston yomjikelezo omkhulu. Kungakho wethu imboni yokuphonsa isihlabathi sensimbi ayikuphathi ukubumba kwesihlabathi njengenqubo ezimele. Iyinodi yokuqala ekuhambeni komsebenzi okuhlanganiswe ngokuqinile: ukuqondanisa kwephethini yesihlabathi esiluhlaza → imodeli yokuqinisa okulawulwayo → ukukhululeka kwengcindezi yangemva kokusakazwa ku-650°C → ukumiswa kwedatha okufakwe ngomshini we-CNC → Ukuthobela i-GD&T eqinisekiswe yi-CMM kumabhoreli abalulekile nasezindaweni zokuvala.
Abahlinzeki abaningi banikeza "i-sand casting." Bambalwa abalawula uchungechunge olugcwele—kusuka ekutholeni isitifiketi sempahla eluhlaza ukuya ekuhlolweni kokugcina kokusebenza. Sithola kuphela i-ISO 14001-certified grey iron (GG25/GG30) kanye ne-ductile iron (GJS-400-18, GJS-500-7) enemibiko ye-ladle elandelekayo. Iqoqo ngalinye lihlolwa nge-spectrographic ngaphambi kokuthululwa. Ngesikhathi sokubumba, siqapha okuqukethwe komswakamo (4.8–5.2%), ukungeneka (120–140), kanye nokubumbana ngesikhathi sangempela—hhayi ngokuhlolwa kwendawo, kodwa ngezinzwa ezishumekiwe emigqeni yethu yokuhlanganisa ezenzakalelayo. Futhi ngenxa yokuthi ukunwetshwa kwesihlabathi kuyahlukahluka ngokuswakama kanye nezinga lokushisa elizungezile, i-foundry floor yethu igcina u-±2°C no-55% RH unyaka wonke. Lokho kuvumelana kusivumela ukuba sibambe ±0.15 mm kumasilinda angu-300 mm OD—ngaphandle kokugaya kwesibili.
Kodwa ukwenza ngokunemba kukodwa akwanele. Izindlu zamavalvu okucindezela zingahlangabezana nazo zonke izici zobukhulu—futhi zisahluleke kubha engu-280 uma ama-gradients okucindezeleka angaphakathi ehlanekezela indawo yokuhlala ngaphansi komthwalo oshisayo. Yilapho ukuhlanganiswa okuqondile kubaluleke khona. Imishini yethu ikhiqiza yonke insimbi eyinsimbi. Awekho ama-handoffs. Akukho ukulungisa kabusha. Sisebenzisa ama-datum afanayo ekusakazeni kwephethini kanye nokubamba ukusebenza kwe-CNC—ngakho ubuso obufakwe ngomshini bubhekisela endaweni efanayo yokulingisa epholiswe esibunjeni. Ezingxenyeni zephampu ye-cobalt-alloy njengemibhobho ye-AMS 5387, sihlanganisa ukufakwa kwe-investimenti kwejiyomethri enezindonga ezincane nezisekelo ze-sand-cast-bese siqeda kokubili ngokusetha okukodwa ku-5-eksisi yethu ye-DMG MORI NTX 1000. Umphumela? Ubulukhuni bobuso Ra ≤ 0.8 µm ebusweni bokukhwelana, awukho umsebenzi owenziwe kabusha ku-94% wokwakhiwa kwe-athikili yokuqala.
Asilungiseleli ukuthola isilinganiso esiphansi—silungiselela izindleko eziphansi kakhulu zobunikazi. Lokho kusho ukweluleka ngokumelene nokuthuthukiswa kwe-cobalt ye-T800 okungadingekile lapho i-GG30 enokuqina kwe-nitride iletha impilo yesevisi elinganayo ezisekelweni zamaphampu. Kusho ukuhlaba umkhosi ama-engeli asalungiswa ngaphansi kuka-0.5° phakathi nokubuyekezwa komdwebo—ngaphambi kokuthi iphethini isikwe—ngoba siyazi lezo zici zibangela ukudonsa, ukudabuka, namandla okukhipha angahambisani. Kusho ukuthumela imibiko enobukhulu ngayo yonke i-oda, okuhlanganisa inombolo yokushisa, amandla aqinile, ubulukhuni, kanye nezimbondela zokuskena ze-CMM ngokumelene ne-CAD yegama. Lapho ikhasimende laseNingizimu-mpumalanga ye-Asia lidinga amayunithi angu-240 e-winch roller eno-0.02 mm runout tolerance, saletha ezinsukwini ezingu-22—hhayi ngokuxhamazela, kodwa ngokukhiya amapharamitha enqubo ngesikhathi sokusakaza kwe-prototype nokuyisebenzisa kabusha ngevolumu. Lokho kuyiqiniso lokusebenza nge imboni yokuphonsa isihlabathi sensimbi yakhelwe ukusebenza, hhayi nje ukukhiqiza.
