Monitoring of vibration and noise When the machine is in normal operation, its vibration state parameters (such as frequency, amplitude, etc.) are within a certain range. When the machine fails, the form of vibration and its state parameter value will change greatly. Even with different levels of noise, the vibration measurement system can be used to diagnose the cause and location of the fault. The vibration monitoring technology is applicable to the friction pairs of bearings and gears of mechanical equipment, and also to the vibration of the unit caused by the unbalanced rotor of the rotating machinery and the misalignment of the rotor. With the continuous promotion and deepening of vibration monitoring and diagnosis technology, signal analyzers have been developed in terms of simple operation, convenient carrying, and strong support for backup software. Noise monitoring and diagnosis is to determine the location and extent of machine equipment faults through noise measurement and analysis. Field practical methods include near-field measurement method, surface vibration velocity measurement method, spectrum analysis method, sound intensity method, etc., where spectrum analysis method is one. An important method for identifying sound sources is to use a noise measurement to drive the large gears, and the crankshaft begins to move from top to bottom. When installing the die, press the adjustment button to momentarily press or release the friction clutch to stop the slider in any position. The continuous action is achieved by closing the travel switch on the cam. In order to make the machine work normally, the compressed air used should be waterless, the pressure is greater than 0.4MPa, and the normal starting pressure fluctuation is small. For this purpose, manual valves, water separators, gas storage cartridges and carburetor are installed in the gas path to ensure safe and reliable operation of the machine. The modified press has smooth operation and no noise, and the mold is easy to install and adjust. It solves the problems existing before the modification and has a good effect.
Longlived 301 Stainless Steel Shot is a unique Shot Blasting media that Longlived Metal Products CO., LTD research and development exclusively. It has lower price than 304 Stainless Steel Shot. It is widely used on stainless steel die casting parts, aluminium die casting parts, copper die casting parts and other die casting parts for shot blasting of surface trfeatment, which could strengthen the surface of parts and make parts have a matte surface.
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