The article introduces the overall design of integrate simulating experimental platform of large-sized sunk shield tunneling machine.

该文介绍了大型下沉式盾构掘进机综合模拟试验平台的总体设计。

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A hydraulic drive system of cutter head in shield tunneling machine was designed, which is open type hydraulic system and controlled in open-ring.

设计了一个盾构掘进机的刀盘驱动液压系统，该系统是开式液压系统，应用电液比例控制技术实现了泵排量实时调节。

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Based on the mechanical model of single bit, drilling loads on the cutting head of tunneling machine are simulated by means of computer in this paper.

基于单个截齿的受力模型，对掘进机截割头钻进工况载荷进行了计算机模拟，为截割头的结构设计和参数优化提供了理论依据。

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Examples include: high accuracy machine tools, deep underground tunneling machines, telecommunications equipment, underwater surveillance gear, sophisticated computers, manufacturing equipment associated with microelectronics, advanced composites and super-alloys.

CENTERFORSECURITYPOLICY: Center for Security Policy | Lessons From Iraq About Germany��s Export Policies Or Is ��Nukem�� What Genscher Has In Mind When He Speaks Of ��German Industry��s Good Name��?

Key technologies transferred by or through Germany to the Soviet Union include: high accuracy machine tools, deep underground tunneling machines, telecommunications equipment, underwater sensors, sophisticated computers and manufacturing equipment associated with microelectronics, advanced composites and superalloys.

CENTERFORSECURITYPOLICY: German profits uber allies