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exchange system, type FSC, with furnace shuttle both for chassis components as well as crankcases. Te low-pressure furnaces used here, with single or multiple riser tubes sys- tems, have capacities up to 3,300 kg. Kurtz is not just a supplier of casting machines, but on re- quest also can provide the associated peripheral equipment, such as smelting furnaces, impellers and tool change systems. Success- ful, commercial designs are rarely found off the shelf – far more frequently they are tailored to customers’ requirements. Kurtz GmbH is a member of the Kurtz Ersa Corpora-


tion, an owner-managed, internationally active group of technology and supplier companies with a corporate history of more than 235 years and production plants in Germany, China and the US. ■


曲չў铸द底й返往וગ炉熔，)9,即，统系换с炉 ӈЗך或一单有Ӏ，炉熔造铸ԹѺङ用҅此֨。ঔ轴 QM 达Օ量容ם最，统系道管Ս 求需据根ՕЭ，商应供וગ造铸是юЉ՛Ҹ`ZX[1 系换更Ӏ模չ机ঢ়Թ、炉化熔ײ比，וગ边յ供提 是֪ך更，ص很案方ઋગЏ商ङ功成ङ用Օ成现。统 根据客户需求৲定Ӳङ。 `ZX[1。՛Ҹ子ङ֝集GYX+ 1[XZ`Ҹ՛是1[XZ`


ѣ际国ङ跃活现੮ֿ领商应供չ技ॠ֨是֝集GYX+ И、国德й٢ӣԴ工ҿ，史Էङ年 Џ，已有超过 国չ২国。 ■


Advances in Inoculation of Gray Iron ى进得Շ术技育ベ件铁灰


Grey iron foundries have traditionally paid little attention to the inoculation process and simply added large quanti- ties of a calcium/barium material to their iron. However, increased demands from OEMs are now making high quality materials more attractive, and inoculants which are able to control specific properties are becoming even more popular. Inoculants are available to help produce castings with


excellent metallographic and mechanical properties and that have good machinability. Issues such as shrinkage and gas can be controlled with the right application of inoculant and the reduction in addition rates makes these an economically attractive proposition compared to the Ca/Ba materials. Te main problems in block casting using Ca/Ba inocu-


lant: a. Chill at thin section area; b. Open grain/porosity defect at bore area; c. Hardness variation; d. Poor machinability at face area; e. More type D & E at edge area. Te advantages of the Superseed®L inoculant from Elkem include:


• 97% Type A graphite • 205 BHN (spec 200-240) • Higher LET shows higher nucleation levels • No chill • No porosity • No D and E graphite • Better machinability. For further information, please contact


your local Elkem representative or visit us during Metal China 2016 in Beijing from May 17th until May 20th 2016 at Stand E439.” ■


点重еো术技育ㄉ铁铸灰ث有没并Џѣ，来љफ一


钡ҫপ。然 钙ङ量ם加添Иў铁灰֨是юю，注Ҽ 量ૅ高҅，求要ङ高更дӟ提Џѣ造铸ث؟Դ3+5，৲ 正剂育ㄉङ性特ў铸Ӳ控לਈ此֜，力引吸Ӏ更ૅ材ङ 越来越ՉӱҼ注。 ㄉ育剂有助й生фӀ有ѩਧङ金बুৃ、力学性ਈљ 、剂育ㄉ用҅े正过通，ײ҆。ў铸ङ性工加ङױ较Ճ ，生фङѽ气չ松ঢ়Ӳ控љՕ，率比用҅ङ剂加添صӗ ҅它成О比҅用钙 钡更Ӏ经济效ञङ方案。 ：题问要Пङ֨存ў铸ѽ缸ङ剂育ㄉ钡 ҅用钙


ͺӒ激置ѹא薄 G 孔隙ͺ ়裂生фה孔钻֨ H ͺՊ改چॆ I J 铸ў੮面ङ机加工性ਈ差ͺ 墨ी型+、*ך很有置ѹ缘边 K ҅用9[VKXYKKJo2ㄉ育剂ङৈ构显微照片 ș '型ी墨达ӱ （ઁ格 Оچॆ ș


）


ș 较高ङ2+:水平੮明成核率较高 ș 无激Ӓ ș 无孔隙 ș没有*、+型ी墨


。 ■ ਈ性工加机ङױ更 ș


Shown here is a comparison of GI with Superseed® L (left) and GI with regular Ba.


ㄉ育剂Њ҅用 左֣ ҅用9[VKXYKKJo 普通钡ҫপㄉ育剂ङ比较。


78 | FOUNDRY-PLANET.COM | MODERN CASTING | CHINA FOUNDRY ASSOCIATION March 2016


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