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hammer     
相关语句
  锤头
    Study on the Hammer of Low Alloy Cast Steel
    低合金铸钢锤头的研制
短句来源
    A Research into Composite Hammer with Impulse Exciting Force and its Signal
    脉冲激振复合材料锤头及其力信号
短句来源
    New wear-resistant steel casting of crusher hammer
    生产破碎机锤头的新型抗磨铸钢
短句来源
    In order to improve fracture resistance of high chromium cast iron hammer,it is put forward that hammer is produced with the complex casting process of high chromium cast iron and carbon steel.
    为提高高铬铸铁锤头抗断裂能力,提出采用高铬铸铁和碳钢复合铸造工艺生产锤头
短句来源
    The wear resistant steel has high hardness (HRC>50) and good impact toughness(α k>20J/cm 2),it is suitable for prouction of liner plates and hammer.
    这种钢硬度高(HRC>50)、韧性好(αk>20J/cm2),适生产衬板、锤头等耐磨铸件
短句来源
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  锻锤
    A New Method for Calculating Vibration of Forging Hammer Foundation
    计算锻锤基础振动响应的一种新方法
短句来源
    Design of Hammer Stem with Elastic Support
    锻锤细锤杆带弹性支承装置的设计计算
短句来源
    In this paper the mechanism of under-anvil vibration isolation for the forging hammer by rubber and/or rubber-spring is analysed with com- plex rigidity theory on single freedom vibration mold. And based on this analy- sis, the calculating method of vibration isolation for the forging hammer is proposed.
    本文按单自由度振动模型用复刚度理论对自由锻锤砧下橡胶-弹簧隔振机理进行了分析,并在此基础上提出了隔振计算方法。
短句来源
    The thermoexpansion coefficient of this solid lubricant is less than that of the steel materials but the embeded solid lubricant slipper which is made of this lubricant has been used for six months on a 3 ton steam hammer, the monthly wear is only 0.1mm, about one-tenth of that of slipper with 11 cylinder oil lubrication.
    这种固体润滑剂的热膨胀系数比钢的小,然而用其制作的镶嵌固体润滑滑板在3吨蒸汽锻锤上连续使用半年的月均磨损量仅为0.1mm,只是11~#汽缸油润滑时的1/10。
短句来源
    This article introduce the designing principle and structural features of forging body for ball valve; detailed analgzing open die draw extruded forging process on smith hammer and die designing.
    介绍了锻钢球阀阀体设计的原则和特点 ,论述了在自由锻锤上锻造阀体的翻挤成形工艺及模具设计
短句来源
  振动锤
    Dynamic Design of the Gear Driven of Vibration Hammer
    振动锤传动齿轮的动态设计
短句来源
    A Study in Hydraulic Motor Matching on Hydraulic Vibratory Hammer
    液压式振动锤液压马达的匹配研究
短句来源
  汽锤
    Calculation Principles for the Water and Steam Hammer in Piping
    管道流体瞬态——水汽锤计算原理
短句来源
    The principles can be applied either in the calculation of water hammer in liquid or in the calculation of steam hammer in compressible fluid.
    既适用于液体介质的水锤计算,也适用于可压汽体的汽锤计算.
短句来源

 

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      hammer
    Drop hammer tests were carried out to study the axial crash behavior of aluminum foam-filled hat sections.
          
    The experimental modal analysis was performed on a two-story steel braced frame model excited by simulated ambient vibrations and hammer impacts.
          
    Water hammer in hydraulic systems with an annular damper of plastic deformations
          
    Results are presented on the theoretical and experimental study of the water-hammer process in a line with an annular plastic-deformation damper.
          
    Water hammer and propagation of perturbations in elastic fluid-filled pipes
          
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    On the basis of single degree of freedom modle of vibration,several basic calculating formulae for stamping hammer vibrating isolation bylaminated leaf apring are deduced, and the projecting principle and calcula-ting method which are provided in practice are recommended.

    本文在单自由度振动模型的基础上导出了模锻锤砧下板簧隔振设计的若干基本公式,并推荐了经实践验证的设计原则和计算方法。

    This paper deals with some problems on the tests and the applications for determining frequency response of machine tool structures by means of a non-contacting electromagnetic exciter (type DJ-1), The results of dynamic test on a lathe (type CY6140)show that the ralative force pulse are easily controlled, compared with the hammer pulse, and the testing conditions come very near to the working conditions of machine tool. In addition, equipments and installations used such as electromagnetic exciter, signal...

    This paper deals with some problems on the tests and the applications for determining frequency response of machine tool structures by means of a non-contacting electromagnetic exciter (type DJ-1), The results of dynamic test on a lathe (type CY6140)show that the ralative force pulse are easily controlled, compared with the hammer pulse, and the testing conditions come very near to the working conditions of machine tool. In addition, equipments and installations used such as electromagnetic exciter, signal generator etc. are common in laboratory so that the electrical pulse excitation technique may easily be applied.

    本文在Y·Yuce,M·M·Sadek和S·A·Tobias等人工作的基础上,探索和研究了利用国产相对电磁激振器进行机床瞬态脉冲激振的试验技术和应用的若干问题。研究结果表明:这种新的激振试验方法克服了目前国内广泛采用的脉冲锤击法激振试验和信号处理中的不足,测试分析结果较为理想。由于这一方法具有能完成机床结构的相对激振试验以及实施设备简单等优点,因而它是目前国内机床动态测试实验中一种极为值得推广应用的方法。本文还对脉冲激振试验信号分析处理中若干值得重视的问题进行了讨论。

    In this paper the mechanism of under-anvil vibration isolation for the forging hammer by rubber and/or rubber-spring is analysed with com- plex rigidity theory on single freedom vibration mold. And based on this analy- sis, the calculating method of vibration isolation for the forging hammer is proposed.

    本文按单自由度振动模型用复刚度理论对自由锻锤砧下橡胶-弹簧隔振机理进行了分析,并在此基础上提出了隔振计算方法。

     
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