泵轴与电动机轴不同心。
电动机轴承弯曲，但没有严重到不能使用，我们只要求重新对直。
The bearing for motor was not so bent as to be completely useless. We only required it to be re-aligned.
通过对某大型电动机轴承的故障检测及分析，提出了相应改进措施。
The mechanical fault of some large motor bearings are detected and analyzed, the corresponding improvement is proposed.
并在对电动机轴承组进行结构分析的基础上，给出两种有效的轴承组结构。
Two types of effective structure of bearings are given based on the structure analysis of the bearing in motor.
并在对电动机轴承组进行结构分析的基础上，给出两种有效的轴承组结构。
Two types of effective structure of bearings were given based on the structure analysis of the bearing.
常见的电动机轴颈磨损原因：装配不合理、键装配不合理、电动机轴承损坏。
The usual reasons of abrasion of electric motor crankshaft are in the following: unreasonable assembly, unreasonable key assembly as well as the spoilage of electric motor bearings.
针对感应电动机轴承故障特征提取的不足，提出了瞬时功率小波包分解的方法。
To solve the problem in obtaining bearing fault characteristics of induction motors, a method based on instantaneous power decomposition via wavelet packet is put forward.
本文详细分析了稀土永磁电动机轴承易损的各种原因，阐述了应采取的预防措施。
The paper analyzes various causes of the damage to bearings in rare earth permanent magnet motor, and expounds what preventive measures should be taken.
由举升流体所需功率和螺杆泵转速预测电动机轴的负载功率，确定地面电机额定功率。
And the horsepower of surface motor is ascertained through anticipating the operating power of motor shaft according to the power of lifting liquid and rotational speed of PCP.
在电力拖动自动控制系统中，折算到电动机轴上的总转动惯量的数值，是系统设计的主要参数之一。
In the electric driving automatic control system, the total value of moment of inertia converted onto the motor axis is one of the main parameters for the system design.
通过对大、中型(滚动轴承)电动机轴伸端轴承盖进行改造，可以大大减少电动机设备的损坏事故。
Bearing cover retrofit of axle stretch end for large and medium - sized motor can reduce the damage accident of motor equipment greatly.
将热力学方法与电工仪表测算电动机轴功率方法结合起来，可以较准确地测出一台工业用大型水泵的性能。
An in-situ test of large industrial water primps characteristics, which is a combination of thermodynamical method and motor shaft power measurement, is described in this paper.
由于对旋轴流式风机电动机轴承要承受较大的轴向负荷和径向负荷，实际使用过程中常发生电动机轴承损坏的现象。
Due to the strong axial and radial load to the bearing of electromotor in counter-rotating axial fan, it is always occurred that the bearing was damaged in use.
一种电动卷笔器，玩具电动机经齿轮减速装置与一中部为锥形，两端为空心圆筒的多刀刃卷笔刀筒机械连接。小砂轮套装在玩具电动机轴上。
An electric pencil sharpener USES a toy motor as power and is composed of conic casing with tubular ends, multi-edge cutter for wooden part and a small abrasive wheel for lead core.
通过观察和检测数据分析，电动机的平板式钢板端盖改为盘式铸铁端盖，可提高端盖刚度，降低电机轴向振动。
By observation and analysis of the test data, changing the plate steel endshield of motor into the disc iron one can improve the rigidness of endshield, and reduce the axial vibration of motor.
混合式步进电动机内部是径向和轴向混合的磁系统，气隙或齿层的磁场沿电机轴向非均匀分布，将问题简化为二维磁场后要得到精确结果有一定的困难。
There are mixed magnetic field system of axial and radial in hybrid stepping motors, and the magnetic field in the gap (or teeth layer)is distributed uneven along the axial direction.
效率 效率是输出能量与输入能量的比率，例如输入到电动机的电能与电机轴承输出的机械能的之间的比率。
Efficiency (EFF) Efficiency is the ratio of energy output to energy input, such as the ratio between the electrical energy input to a motor and the mechanical energy output at the shaft of the motor.
效率 效率是输出能量与输入能量的比率，例如输入到电动机的电能与电机轴承输出的机械能的之间的比率。
Efficiency (EFF) Efficiency is the ratio of energy output to energy input, such as the ratio between the electrical energy input to a motor and the mechanical energy output at the shaft of the motor.
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