动平衡

This paper is based on a data collecting project of moving and static test-bed about helicopter airscrew, the total oral distance system is the subsystem of the project, and the paper reserched and developed our countrys most advanced moving and static test-bed about helicopter airscrew.

本文以"直十旋翼动平衡台控制采集王程"的总桨距调节系统为背景，研制开发我国最先进的直升机动平衡试验台。

As a balancing machine initiator and leader, Carl Schenck AG has been engaged in research and application of the balancing technology since 1881, which is a worldwide famous corporation with a history of more than 100 years after its establishment in Darmstadt of Germany.

德国卡尔-申克股份有限公司是引领世界工业动平衡机制造技术的著名企业，从第一台平衡机问世以来，德国申克就一直致力于平衡技术的研发与应用，时至今日已有百余年的制造历史。

10 Tool machine emery wheel stalk beard adoption the action press a principal axis, and allocation Italy the MARPOSS be on-line to move balance equip and tool machine allocation concentration lubricate equip, ability in fixed time fixed amount in time of to the part needed to be lubricate carry on auto lubricate.

1.5.10机床砂轮轴须采用动静压主轴，并配置意大利MARPOSS在线动平衡装置并且机床配置集中润滑装置，能定时定量及时的对所需润滑的部位进行自动润滑。

It contains cross-study of basic theories of multiple subjects like the inertia balance of variable-mass rotation body under the rotating of accelerating, uniform, decelerating and varying accelerated and resonance, patting, damping and lagging caused by its vibration.

壳桶合一洗衣机避振系统的研发，看似简单实则复杂，它涉及了圆周运动、摆动、动平衡、陀螺效应、流体力学；变质量旋转体在加速、匀速、减速、变加速的转动中的惯性平衡及其振动产生的共振、拍、阻尼、滞后等等多学科基础理论的交叉研究，还需要通过大量定性模拟试验与定量实体实验，并对试验结果进行分析、优选、论证以及对其可靠性的证实等长期复杂的科学研发过程。

Company has first-class product testing equipment and production equipment, with the United Kingdom has 3 Units Laser Interferometer and clubs, one in Taiwan and USA OPTODYNE interferometer; Japan produced a high-precision spindle Balancing Instrument, etc.; Taiwan and the United States 1 16 meters-made CNC gantry milling machine; Taiwan and France one of domestic large-scale landing 13 meters milling Church; Japan OKUMA Horizontal Machining Center; many Units CNC gantry machining centers, gantry rail grinding machine, internal and external high-precision grinder, Horizontal Machining Center, vertical machining centers, jig borer, such as high-precision production equipment.

公司有一流的产品检测设备和生产设备，配备有3台英国的激光干涉仪和球杆仪、一台美国光动的干涉仪；一台日本生产的高精度主轴动平衡仪等；一台美国产的16米数控龙门铣床；一台法国产13米大型落地堂铣床；日本OKUMA卧式加工中心；多台数控龙门加工中心、龙门导轨磨床、高精度内外圆磨床、卧式加工中心、立式加工中心、坐标镗床等高精度的生产设备。

Secondly, the cutter of the machine was studied from reducing vibration, emphasis on knives array, homeostasis. To apply "ANSYS"method, At the same time, it was known that inherent frequency of the main axis was so far higher than vibratory frequency, and the machine main axis'rotational speed won't cause sympathetic vibration.

其次，本文从减少振动入手对9LRZ-80型秸秆揉切机的关键部件切碎器进行分析，着重对动刀片的排列、动平衡等进行分析研究，并通过有限元分析，得到切碎器主轴固有频率远远大于机器振动频率，机具的转速不会造成共振的危害。

In the method of time-frequency the phase of unbalanced force is confirmed by analysis of time domain and amplitude of unbalanced force is confirmed by analysis of frequency.

在这种时-频动平衡方法中，用时域分析来确定不平衡力的相位，用频域分析来确定不平衡力的大小。

Features: the series is hard backing horizontal dynamic balancing machine, using the wheel backing, universal coupling to drive, the popular style is two-speed electric - driven,"A" is variable-frequency electromotor plus inverter speed, industrial control computer data processing, color screen real-time shows the value of the amount of unbalance ,phase and real-time rotational speed, bases have adopted the overall foundry, stability is good.

特点：该系列是硬支承卧式动平衡机，采用滚轮支承，万向联轴节驱动，普通型为双速电机驱动，"A"型为变频电机加变频器调速，由工业控制计算机进行数据处理，彩色屏幕实时显示不平衡量值，相位角和实时转速，床身均采用整体铸造，稳定性好。

Thus it is convenient to calculate the practical balancer of the rotor of the cooling fan .

通过对内燃机冷却风扇转子不平衡的分析，得出现场动平衡过程中的单位质量影响系数，从而方便地计算出风扇转子的实际配重，此种方法简便易行。

This paper analyzed the balance precision and grade of high speed grinding wheel and its effect on grinding performance analyzed. The unbalance causes of high and super high speed grinding wheel were discussed too. The evaluation and selection for the balance precision of high and super high speed grinding wheel were studied. Furthermore, the paper analyzed the principle and significance of dynamic balancing technology of high and super high grinding wheel.

对高速转子平衡精度和等级及其对磨削性能的影响进行了理论分析，并深入讨论了超高速砂轮系统的不平衡因素，研究了超高速砂轮系统平衡精度的评价与选择方法，分析讨论了盘形高速和超高速磨削砂轮动平衡技术的原理和意义。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。