In the paper , the repack method of the machine tool , the structure characters and the principle of the vibrative gun drill are introduced 本文通过生产实践较详细地介绍了用振动枪钻加工深孔时的机床改装、枪钻结构特点及振动钻削的机理。
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According to the characters of the vibration of internal combustion engine and on bases of the theory of active vibrantion control which is carefully analyzed , the corresponding mathematical model suitable for the vibration of internal combustion engine is developed and the fuzzy control techniques are adopted . a new active vibration control system is developed w hich conclude mcu , the key part , and the equipment used to survey the vibrative acceleration of internal combustion engine 本文根据内燃机振动的具体特点，在仔细分析了振动主动控制原理的基础上，建立了适合内燃机整机振动的数学模型和采用了模糊控制方法，提出了一种新的内燃机整机振动主动控制减振系统，该系统以微控制器为核心，配以测加速度和控制机电转换执行机构组成。
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