关于悬挂系统的改装过程中，硬的减震器要与硬的弹簧相搭配，而弹簧的硬度又与车重息息相关，因此较重的车一般采用较硬的减震器。与引震曲轴相接的装置，用来抗衡曲轴的扭转震动。冲床减震器的原理与此相似。
 In the refitting process of the suspension system, the hard shock absorber should be matched with the hard spring, and the hardness of the spring is closely related to the weight of the car, so the heavier car generally USES a harder shock absorber.A device connected to a crankshaft to counter torsional vibration of the crankshaft.The principle of a punch shock absorber is similar.

 一、冲床振动噪声产生的原因分析：
 I. cause analysis of vibration and noise of punch:

 冲床工作时产生振动的原因：转动部分(电动机和飞轮)的不平衡力;曲轴连杆和冲头组成的曲柄连杆机构的不平衡扰力;冲头与工作接触时的冲击力、冲压过程完成瞬间由于力的释放，曲轴及立柱的弹性收缩引起的振动力等。前几种力的作用产生的振动不大，冲床振动主要是在下料完成的瞬间，冲头与工件相互作用力突然消失后因曲轴和立柱形变状态恢复到原状态的回弹作用引起的。冲床的振动主要与冲床加工的压力大小有关，压力大由曲轴承受的剪应力大，立柱的压座力亦大，每次冲压完时回弹力亦大，所以冲床冲压吨位愈高，冲压振动越强烈。
 Causes of vibration in the working of the punch: unbalanced force of the rotating part (motor and flywheel);Unbalanced disturbing force of crank connecting rod mechanism composed of crankshaft connecting rod and punch;The impact force when the punch comes into contact with the work, the vibration force caused by the elastic shrinkage of the crankshaft and the column, etc.The vibration produced by the action of the previous several forces is not large. The vibration of the punch is mainly caused by the rebound effect of the crankshaft and the column deformation returning to the original state after the interaction force between the punch and the workpiece suddenly disappears at the moment of blanking.The vibration of the punch is mainly related to the size of the punch processing pressure, pressure by the crankshaft bears a large shear stress, the column pressure seat force is also large, each time when stamping elastic force is also large, so the punch tonnage is higher, stamping vibration is more intense.

 二、冲床减振降噪声的使用标准：
 Ii. Standards for vibration and noise reduction of punch machine:

 环境质量标准
 Environmental quality standard

 1、 GB10070-88《城市区域环境振动标准》(工业集中区)，即昼间75dB(A)，夜间72 dB(A)。
 1. Gb10070-88 environmental vibration standard for urban areas (industrial concentration area), i.e. 75dB(A) during the day and 72db (A) at night.

 2、《城市区域环境噪声标准》GB3096-93(3类)，昼间65dB(A)，夜间55dB(A)。
 2. Environmental noise standards for urban areas gb3096-93 (class 3), 65dB(A) during the day, 55dB(A) at night.

 3、冲床减震器的应用非常广泛，中央空调、汽车、风机、水泵、发电机组等很多设备都有应用到。
 3, the shock absorber is widely used, central air conditioning, automotive, fans, pumps, generator sets and many other equipment have been used.

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