Analysis of Shock Absorption Principle of High Speed Punch
Analysis on noise management of stamping machine tools:
① Vibration source control
② Attenuation during transmission
③ Protection of vibrating objects.
Considering the better effect and lower cost of dealing with vibration sources under most conditions, the first two measures are recommended!
At present, there are many data on vibration reduction, such as rubber products, steel springs, latex sponges, air springs, corks, etc. Put the vibration reduction data under the equipment foundation, which can play a good anti vibration effect. Air spring shock absorber and viscous damping steel spring shock absorber have better effect.
The traditional method is to dig a trench with a certain width and depth around the high-speed punch. The effect of the anti vibration trench mainly depends on the ratio of the trench depth H to the wavelength of the vibration surface wave. The purpose of vibration reduction can be effectively achieved through the anti vibration ditch. However, it should be noted that the anti vibration ditch has good isolation effect on high-frequency vibration, but not obvious effect on low-frequency vibration. In addition, when a lot of oil, water and sundries accumulate in the anti vibration ditch, the anti vibration effect will be lost.
Comparatively speaking, it is much easier to take corresponding anti vibration measures for the punch. The vibration isolation measures are mainly aimed at the low-frequency vibration of the punch. The low-frequency vibration has the characteristics of long wave length, long wave length, slow attenuation, and long transmission. An Lijing proposes to choose air spring shock absorber, with a very long vibration attenuation interval, which is suitable for various low-frequency vibration isolation; The device is convenient and the effect is obvious.

How to select the model when purchasing stainless steel pneumatic butterfly valve
Many people do not know how to select the model when purchasing stainless steel pneumatic butterfly valve. Size: stainless steel pneumatic butterfly valve nominal diameter, joint type and size, hose length. Pressure: the theoretical task pressure of the hose, the selected nominal pressure PN/task pressure P. Medium: the chemical properties of the medium recommended in the hose, according to the corrosion function table, determine the material of each part of the hose. Temperature: task temperature and limitation of medium in hose; Condition temperature of the hose during operation. In case of high temperature, the maximum allowable pressure under the task temperature must be confirmed according to the temperature modification coefficient, so as to ensure the selection of accurate pressure grade. Form: according to the form of stainless steel pneumatic butterfly valve when it is used, refer to the accurate installation method of hose, the length calculation of various flexible forms of hose, the minimum bending radius of hose and other elements, and the parameters are accurate to select the hose length and install it accurately.
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As the main raw material of stainless steel pneumatic butterfly valve consumption, steel has entered a period of low profit with open and transparent prices. The rising steel prices will promote the consumption cost of stainless steel pneumatic butterfly valve. 1. The price cost is increasing day by day. As the most important raw material of stainless steel pneumatic butterfly valve consumption, steel has entered a period of low profit with open and transparent prices. The rising steel prices will promote the consumption cost of stainless steel pneumatic butterfly valves; 2. The brand of stainless steel pneumatic butterfly valve industry in China is poor, and the competitiveness in the international market is weak. Due to low industrial concentration, backward technology and low price competition, there is no "famous brand" in the international sense in such a huge Chinese stainless steel pneumatic butterfly valve market. 3. The fierce competition has eliminated small and medium-sized stainless steel pneumatic butterfly valve enterprises from time to time. 4. The R&D strength is weak and the capital investment is insufficient. China's technological progress is still in the 1980s abroad. Although a large number of advanced technologies and consumer lines have been introduced, the digestion and absorption of technology lacks the basic support of software and hardware. 5. Brain drain of theoretical application technology. At present, although many colleges and universities in China are engaged in scientific research, and many theoretical discussions and patent papers are of a high degree, they are not closely separated from consumption theory, and the ability to transform theory into waste products is poor.