查询词典 rolling circle

Effect of process rolling on bite in hot rolling and surface quality of cold rolling plate is presented.

叙述了工艺润滑对热轧时咬人和冷轧板表面质量的影响。

As to the slow variety of the mill characteristics during the rolling process, adopts self adaption deformation resistance model which accord with the character of temper rolling process, and combined with the neural network model to predict the taupe rolling force.

针对轧制过程中轧件特性发生缓慢变化的特点，采用符合平整轧制过程特点的变形抗力自适应模型，并与神经网络模型结合，预报平整轧制力。

A low frequency rolling bearing fault diagnosis method based on local projective noise reduction;2. According to characteristics of both the vibration signals and the stator currents when appering a fault in the rolling bearing of the induction motor,Park vector module signal of the three-phase current is calculated,and the envelope of vibration signals from the rolling bearing of the motor is analyzed.

根据感应电机轴承发生故障时的振动信号特性以及定子电流特性，求出三相电流的Park矢量模信号，并将其与电机滚动轴承振动信号经解调处理后的包络信号进行融合分析，可以从振动信号与电流信号的融合谱图中有效地提取轴承故障特征信息，并将其作为故障识别的依据。

In view of product quality of cross wedge rolling semifinished product of automotive power-shift box middle shaft which has heavy sectional shrinkage,numerical simulation and experimental method were adopted to analyze single wedge rolling and second wedge rolling method.

针对用楔横轧工艺生产具有大断面收缩率特点的汽车变速箱中间轴毛坯所存在的产品质量问题，利用数值模拟与实轧试验对汽车变速箱中间轴毛坯一次楔成形和二次楔成形进行了分析研究，发现采用一次楔成形方法加工汽车变速箱中间轴毛坯，轧件不易发生弯曲，中间断面收缩率最大处没有发生缩颈现象，心部质量也较二次楔成形好。

Rolling mill is the most important equipment on the rolling line, and the main transmission system is the nucleal components of the rolling mill.

轧机是轧制线上的重要单体设备，而轧机主传动系统又是轧机的核心组成部分。

The bulging of ingot with a liguid core during rolling is the plastic bending of its solidified shell as a result of a liguid core pressure and a rolling pressure on ingot,which is one of the main deformation characters of the rolling in an unsolidified state.

液芯钢锭轧制过程中产生鼓肚，是由于在液芯内压力和轧制压力的作用下，钢锭凝固壳产生塑性弯曲变形的结果，它是液芯钢锭最主要的变形特点。

The rolling wheel of D51 rolling loop machine is fixed with an expansion ring and its axial locating accuracy is high so the processing difficult of rolling wheel is reduced.

D51型辗环机辗压轮系采用涨圈固定，轴向定位精度高，简化了辗压轮的机械加工；下支承轴端圆锥孔后面设有方孔，辗压辊与下支承轴的联接可靠，更换容易，减少了非生产性工作消耗，提高了劳动生产率。

Secondly, aiming at the difficulty of information sharing between reheating furnace and roughing mill which is brought by the separate control of the two facilities, and the problems of exceeding energy consumption and low security of rolling process given by the difficulty to adjust the heating process of slab dynamically, this paper presents a comprehensive optimizing control strategy of reheating furnace based on the rolling information feedback. In the presented strategy, fuzzy control and neural network are used to feed roll force and slab temperature of therolling process back to reheating furnace and the concrete furnace temperature setting compensation value can be worked out. So that the heating process of slab can be adjusted dynamically according to the heating quality of the slab, and energy consumption can be reduced, the rolling security can be ensured as well.

其次，针对目前加热炉和粗轧机的分离控制带来的生产信息难以共享、钢坯的加热过程难以动态调整而造成的能耗浪费过大、粗轧机轧制安全难以保障等问题，提出了基于轧制信息反馈的加热炉综合优化控制策略，利用模糊控制和神经网络的方法，将粗轧机一侧的能够反映钢坯加热质量好坏的生产信息，如粗轧机的轧制力、钢坯的温度等，反馈到加热炉一侧并计算出炉温设定值的补偿量，从而能够根据钢坯的加热状况动态地调整后续钢坯的加热过程，减少了能耗浪费，保障了轧制安全。

Combined hourglass control in analysis of cold ring rolling process;2. Recent status and development of real-time measurement and online control technology in cold ring rolling ;3. The influence law of feed rate of idle roll on the quality of end face of ring,axial width spread ratio,roll force,roll moment and metal flow characteristic in cold ring rolling process has been explored through the FEM numerical simulation of the ring with rectangular cross-section based on the elastic-plastic dynamic explicit FEM under the Abaqus software environment.

基于Abaqus/Explicit提供的显式动力学有限元算法，对矩形截面环件冷辗扩进行了有限元数值模拟，揭示了芯辊进给速度对环件冷辗扩过程中环件端面质量、轴向宽展率、辗扩力、辗扩力矩以及金属流动特性的影响规律，并从金属塑性成形原理和塑性加工力学等角度对这些规律进行了合理的解释，从而获得了进给速度对冷辗扩成形的影响规律，为环件冷辗扩在实际应用中进给速度的选择提供了依据，对揭示冷辗扩成形机理也具有十分重要的意义。

The paper introduces hot strip rolling lubrication mechanism,analyzes r easons which effect hot rolling lubrication,and put forward to opinions to furth er improve the effect of hot rolling lubrication.

介绍了板带热轧润滑的机理，分析了影响热轧润滑使用效果的因素，同时提出进一步改善热轧润滑效果应重视的问题。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48