product news/產ռ新聞
menting innovative solutions on the way towards Foundry 4.0. From the outset, Christenguss AG in Switzerland Aargau has been committed to progress. Te constant pursuit of modernization and optimization mean that Christenguss is already presenting itself as a top modern foundry that manufactures complex sand casting molds in a 3-D printing process. It is in this way that the Bavarian company ExOne from Gersthofen near Augsburg provides a valuable service with an S-Max production printer. Tis allows the foundry the production of sand molds of the highest quality and great individuality, from batch sizes upwards. Te innovative 3-D process also takes sustainability into account. “Tanks to maximum process reliability and high product
quality, the rejects are reduced to a minimum, and only the parts that are effectively needed are produced” said Holger Barth, ExOne sales manager. “Tis saves resources, because the energy required for the remelting of defective components is reduced.” Tese points also convinced Florian Christen, CEO of the
traditional family business in its fourth generation and a man with a strong drive for innovation. He sees his company as an innovation and technology leader in the field and would like to make it the most advanced in the industry. In his own words, he even plans to “fundamentally change the entire foundry industry with innovative Ideas.” Christen wants to consciously use the opportunities offered through digitization in the foundry—both for itself and for its customers. His vision is called Guss 4.0 (Guss is a play on words in
German, meaning “cast” or “casting”). If in the future things go according to his wishes, the production of each individual casting will be able to be automatically controlled and regulated. Te desire to increase efficiency and optimize product quality forms the background of his plans. Besides Guss 4.0, which is the vision of a fully automated casting process, Christenguss is putting its faith in using the latest technology in the digital detection of raw parts. Tis is a costly undertaking, especially due to the fact that in older models, it is often the case that no draw- ings or original data are available (anymore) to form the basis of the casting’s digitalization. To also avoid storage, insurance and inspection costs and to prevent tool loss, the tool data can be digitized and archived as a precaution. In each of these cases, the solution is “reverse engineering”,
i.e. detailed reverse engineering. In conjunction with 3-D print- ing, this is not only an efficient method for simulating parts that are no longer available, it is often the only way to reconstruct certain components quickly and at relatively low cost. Christen- guss uses the ExOne S-Max for 3-D printing. Since the digital capture of castings using laser scanning are pushed to their limits, especially when it comes to complex inner contours, in this case Christenguss also has the option to detect with a CT scan. In this process, the raw part is X-rayed three- dimensionally so even the most complex inner contours are mapped. A dataset then is generated in the STL format from the CT scan. Tis dataset or the corresponding same point- clouds are read in the course of reverse engineering and the data is aligned to the coordinate system. After performing data analy- sis, non-cast-relevant parts are removed and the polygons are optimized. Using SolidWorks design software, the part is then constructed digitally and the casting systems and the mold are
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。ыङ力动新ӫ烈强有З一，官੧执٭首ї֚আङЏ ٥并，ৱح领术技չ新ӫङֿ领થ是՛ҸङѕОઍѕ 望成О੧ЏИ最ү进ङѣЏ。用ѕਘ己ङઢ来પ，ѕ 甚ਙઋӦȔӯ用ӫ新ङ理念ђ根本Ї改Պ整З铸造੧ ۱Џ੧造铸֨化字数用ӯ֪જ意有望٥TKZYOXN)ȕ。Џ 提供ङ机ѫ，Оਘ己ЭОд客户。 ѕङ愿景ੴ०О-[YY （-[YY是德ધИङ单
ѕ据根来ر果ײ。）ȕў铸Ȕ或ȕ造铸Ȕ是思意，ટ લՃӲ控动ਘੴלਈرф生ङў铸З每，ҟԾ望愿ङ 整。提高效率љՃѩ化фսૅ量ङ愿望是ҿઋӦङ初 ੱ。除дљ实现铸造完Ҷਘ动化О愿景ङ-[YY Ф ӯИ测检字数ङў零始Խ֨过通՛ҸYY[MTKZYOXN)，י 用最ү进ङ技术实现ҿ愿景。此Ѡ务成本昂贵，特Ӱ是 ӯՕ有没，Јӑە常通，景愿ҿ现实И型模ङ旧֨ਖ਼ৰ 。ॅׂङ化字数ў铸Оҁ据数始Խ或纸֣）ѾѠ（ङ用 Օ，עГӀ工止防并本成查检Ճљ险ґ、ҥ存मਭдО 。档归չ理ה化字数੧进施措防预Оҁ据数Ӏ工ر ȕ३工էՆȔ用采是都案方Ӑઆ，Иӑەय़一每֨
Љ拟模是юЉ这，印۸* ，即દূङՆէ工३。ৈ合 ङѺ较ثबљ是还Јӑە常通，法方效有ङў部用ՕӇ 成本快速重建某п部ўङ唯一方法。)NXOYZKTM[YY҅用 。印۸* +^5TKҸ՛ङ 9 3G^进੧ ӱيՇ已式方ङ据数字数得ੂў铸描扫Ұ激用҅йं 这֨，） ֣（时廓轮部ӄङ杂זՃ涉当是Ӱ特，限极 进描扫:)用҅择选ՕЭ՛ҸYY[MTKZYOXN)，Јӑەय़ 照িذ>维І੧进ў部零始Խث，И३过થ֨。测检੧ 根ե然。ذ映ੴՕЭ廓轮部ӄङ杂ז最是҅即此֜，ذ էՆ֨。） ֣（集据数成生式格2:9љ果ৈ描扫:)据 数થر并，к点գबङ应ब或集据数થՈયИ३过३工 ङ造铸非除Ծ，եФ析ӣ据数੧执֨。ӕث系标ֱЊ据 ગYQXU=JORU9用҅ե然。形边ך化ѩЌ并，ӣ部Ҽब ઋ软ў数字化构造થ部ў，并绘Ӳ铸造系统չ模Ӏ。然
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FOUNDRY-PLANET.COM | MODERN CASTING | CHINA FOUNDRY ASSOCIATION March 2017
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