Kuyika ndalama pafakitale yamakina opangira makina si njira yokhayo yopangira - ndi njira yokhayo yomwe ingatheke pamene kukhazikika kwa mawonekedwe, kukhulupirika kwapang'onopang'ono, komanso kukhulupirika kwapamtunda kuyenera kupulumuka 300+ bar hydraulic pulses kapena kuvala kosalekeza kwa ma winch shafts. Ku QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., taponyera pa 12,000 AMS 5387 cobalt aloyi mpope housings kuyambira 2019. Aliyense wadutsa 100% CMM yatsimikizidwe pa ± 0.05 mamilimita GD & T callouts-ndi ziro analephera kukanika kuyezetsa ntchito pa 1.5× Kusasinthasintha kumeneko sikuchitika mwangozi. Zimachitika pamene kuponyedwa kwa ndalama sikuchitidwa ngati njira, koma ngati chochitika choyendetsedwa ndizitsulo.
Chifukwa Chake Kuponya Ndalama Kumapambana Pomwe Kuponya Mchenga Kumalephera-Nthawi Zonse
Zigawo zamakina zamakina zimagwira ntchito mosagwirizana ndi zopinga zomwe sizingakambirane: nyumba za silinda za pisitoni zimafuna kulondola kwamkati mkati mwa 0.08 mm kuteteza cavitation; ma valve oponderezedwa amafunikira makulidwe olimba a khoma pansi pa 4.2 mm popanda porosity; zodzigudubuza za winch center shaft zimapirira zolemetsa zopitirira 18,000 N·m pamene zimazungulira 65 rpm m’malo odzaza fumbi. Kuponya mchenga sikungathe kubweretsa kuphatikiza kumeneko. Mtundu wake wololera ndi ± 0.5 mm. Kukhwimira kwake pamwamba kumafikira Ra 12.5 μm—ndi yowawa kwambiri kuti isamangirire malo osindikizira. Ndipo kapangidwe kake kambewu kamasokonekera, kuyitanitsa ma micro-shrinkage voids pafupi ndi zowutsa nkhawa.
Kutaya ndalama kumathetsa zonse zitatu. Ndi nkhungu za zipolopolo za ceramic zomangidwa kuchokera kumayendedwe olondola a sera, timakhala ndi ± 0.15 mm pazinthu zofikira 600 mm-zolimba kuposa ndalama zambiri zomaliza za CNC. Mapeto a pamwamba amagunda Ra 2.5-4.0 μm as-cast, kuchotsa kugaya kwachiwiri pankhope zosindikiza. Choyipa kwambiri, mbiri yathu yolimba yoyendetsedwa - yomwe imatheka chifukwa cha kukhathamiritsa, kutentha kwa zipolopolo, ndi zingwe zoziziritsira ng'anjo - zimapanga mawonekedwe abwino, ofananirako a dendritic mu T800 cobalt-based alloys. Tidatsimikizira izi ndi kusanthula kwazitsulo pa kutentha 47 motsatizana: kukula kwa tirigu kunakhalabe ASTM 6-7 kudutsa malire a batch, zogwirizana mwachindunji ndi 22% moyo wotopa kwambiri pakuyesa kofulumira kwa shaft.
Kuphatikiza Koyima Si Buzzword-Ndi Inshuwaransi Yanu Yamagawo
Otsatsa ena akuponya kunja, kukonza makina, ndi chithandizo cha kutentha. Sititero. Pamalo athu a Qingdao ovomerezeka a ISO 9001, chigawo chilichonse cha AMS 5387 chimayenda motsatira ndondomeko imodzi: zopangira zovomerezeka → vacuum-arc remelted ingot → kuyika ndalama → kuchepetsa nkhawa → mizere isanu ya CNC yozungulira → chowongoleredwa → chowongoleredwa chapamwamba cha CMM N’chifukwa chiyani zimenezi zili zofunika? Chifukwa kukula kwa matenthedwe kusagwirizana pakati pa kuponyera ndi makina kumayambitsa tsamba lobisika. Tidaziyeza: magawo omwe adapangidwa maola 72 ataponyedwa adawonetsa uta wa 0.032 mm patali 320 mm. Pamene makina mkati mwa maola 4 a kuzirala molamulidwa? Bow idatsikira ku 0.007 mm - mkati mwa magwiridwe antchito a ma rotor othamanga kwambiri.
Kuphatikiza uku kumathetsanso mipata yotsatizana. Malo aliwonse amakhala ndi ma certs athunthu (MTRs), zolemba zakale zamatenthedwe, ndikugwirizanitsa malipoti oyezera. Pamene European OEM inanena kuti mpando wa valve usanakwane, tidawutsata-osati ku chemistry ya alloy-koma ku kutentha kosasunthika kwa zipolopolo zomangirira nthawi imodzi. Tinasintha mbiri ya ng'anjo ya ng'anjo, kutsimikiziranso, ndikupereka magawo ena m'masiku 11. Palibe kuloza zala za gulu lachitatu. Palibe kuchedwa kwa masiku 45.
Zochitika Zenizeni Zapadziko Lonse Zimaposa Zolemba Papepala-Nthawi Yonse Imodzi
Makasitomala amafunsa kuti: "Kodi ndalama zanu zopangira ndalama zitha kuthana ndi 450 ° C pakanthawi kochepa mu zida zamafuta ndi gasi?" Timayankha ndi data-osati mabulosha. Milomo yathu ya aloyi ya T800 inayenda maola 1,840 m'mikhalidwe yofananira yapamutu musanawonetse kukokoloka koyezeka. Zofanana ndi mchenga za mpikisano zinalephera pa maola 620. Kusiyana kwake? Kusapezeka kwa kuyika kwa ndalama kwa kung'anima kwa mzere wa nkhungu komanso kugawa kwakukulu kwa interdendritic carbide.
Timatsatanso njira zolephera. Mu 2023, 92% ya magawo omwe adakanidwa adachokera kuzinthu zokhudzana ndi kapangidwe kake, osati zolakwika. Olakwa wamba: minyewa yopangidwa mocheperako yomwe imayambitsa kupsinjika, kusuntha kosawerengeka m'zigawo zokhala ndi mipanda yopyapyala, kapena ma callout a GD&T osagwirizana ndi khalidwe la ceramic shell shrinkage. Ichi ndichifukwa chake kuwunika kwathu kwa uinjiniya kumaphatikizanso mayankho aulere opangira - kuyika ziwopsezo monga "Khoma la 0.8 mm ili likhoza kung'ambika panthawi yothira" kapena "Kulekerera kwa ± 0.02 mm kumafuna kuwongolera kwa CNC." Timachigwira chisanadulidwe chitsanzo choyamba cha sera.
Mbiri yathu imatsimikizira izi: ma valve opanikizika ofukula ma hydraulic, ma silinda a mapampu amatope a triplex, maziko a pampu a mayunitsi ochotsa mchere m'mphepete mwa nyanja, ndi ma winch center shaft rollers a magalimoto amigodi a matani 50 - zonse zopangidwa kudzera pakuponya ndalama, zonse zimaperekedwa ku dongosolo, zonse zomwe zimakumana ndi ASME B16.34, ISO4288 kasitomala protocol ndi test-8
Kusankha Wothandizira Wopereka Ndalama Zoyenera Kumatanthauza Kufunsa Mafunso Ovuta
Osafunsa kuti "Kodi mumapanga ndalama?" Funsani "Kodi mumawongolera bwanji kusiyana kwa chipolopolo cha 450 mm?" Kapena "Kodi kuchuluka kwanu kovomerezeka kololedwa ndi ASTM E45 kwa AMS 5387 ndi chiyani?" Kapena "Ndiwonetseni malipoti anu atatu omaliza a CMM a gawo limodzi ndi ≥12 GD&T callouts."
Ku QINGDAO QIANGSENYUAN TECHNOLOGY, timasindikiza mayankho amenewo-osati m'misika yamalonda, koma m'marekodi opanga. Timayika ndalama m'ma CMM a metrology okhala ndi matebulo a granite omwe amalipidwa ndi kutentha, osati makina ojambulira apakompyuta. Timayesa ng'anjo yamoto tsiku lililonse - osati sabata iliyonse. Timasunga zitsanzo kwa zaka 10 - osati miyezi isanu ndi umodzi.
Kuyika ndalama pa fakitale ya zida zamakina sikungofuna kupeza wogulitsa. Ndi zopezera gulu lanu laukadaulo lomwe limalankhula bwino zazitsulo, GD&T, ndi sayansi yakulephera kwenikweni. Ndiwo muyezo womwe timakumana nawo. Nthawi iliyonse.
