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Beijing Bluesky Yan’an New District Project April 2013 Disclaimer This report has been created at the request of Siam Cement Group (SCG). The information contained within it is intended for circulation only to SCG and its nominees and employees of Caterpillar Inc and Metro Machinery, Thailand whose duties require the knowledge contained in this report. The report contains unverified analysis and facts observed by Caterpillar employees. Genuine effort has been made to ensure the reliability of the data and observations, their analysis and the recommendations made within the report. Every effort has been made to use current and accurate specifications and other technical data in the full understanding that these are subject to change without notice. Due to the many variables involved in mobile equipment operations and the consequent possibility of inadvertent errors or omissions in preparing reports of this character, neither Caterpillar Inc nor Metro Machinery, Thailand can or does represent or warrant, expressly or implicitly, either the accuracy of this report or that Caterpillar or competitive equipment referred to in the report will in fact achieve the performance indicated on the job to which this report relates. Any reproduction of this release without the foregoing explanation is prohibited. All rights reserved. Study Team　调研团队 Noel Sabandal Equipment Training Solutions Caterpillar Asia, Singapore Peter Pang Global Construction Industries Caterpillar China Guangzhong Zhang Equipment Training Solutions Caterpillar China 目的 D7R操作手培训 现场应用流程调研，并提供建议 现场观察所得 材料 均匀的黄土材料 材料的冲击力比较小 材料的磨损性较低 液压挖掘机 低到中等的挖掘工况 售后市场铲斗，3.2立方米 卡特原装铲斗，2.4立方米 现场观察所得 装载/切削区 挖掘机和卡车配置合乎要求 没有观察到特别长的卡车等待时间，少于2分钟 驾驶员会自行调整到合适装载区以避免扎堆 当其中一台挖掘机不能工作时，卡车等待超时 Front Counterweight 现场观察所得 卡特349D挖掘机工作表现 第一天 作业匹配 11-13工作循环 卡车装载时间，3.5-4.4分钟 大多数作业平台高度只比最优高度高了一点 铲斗装载因数很好，大多高于90% 回转角度 30-90度，很好 现场观察所得 卡特349D挖掘机工作表现 第二天 作业匹配，12-13个工作循环，1号挖掘机 卡车装载时间，3.33-4.03分钟 作业平台高度只比最优高度高了一点 铲斗装载因数较好，大多高于