Search results for keyword: acoustic
Bearing diagnosis management method
Diagnosis MethodBased on State Control and Observation ofRoller Bearings
Abstract:Roller bearings are widely used in industry and engineering. They have some of the best performance in terms of low noise, high efficiency and high durability. The performance of roller bearings is affected by variou......
1038 
Sophia
The basis for the selection of bearing service conditions and environmental conditions
Selection of Service Conditions and Environmental Conditions for Bearings
The selection of bearing service conditions and environmental conditions has a very important influence on the performance, service life and reliability of the bearing. Generally speaking, the factors affecting the selectio......
Effect of Bearing Structure on Vibration and Noise
Influence of Bearing Structure on Vibration and Noise
Introduction
Bearing structure plays a vital role in damping vibration and reducing noise during the operation of rotary machinery. The bearings are a component of machine tools, and the bearing performance, structure and design determine the......
Real-time Detection of Tool State in NC Machining
Introduction
In the current CNC machining process, the detection of tool state has an important impact on the quality of the machining product. The state of the cutting tool is mainly related to the following aspects: tool life, hardness, size, wear and corrosion. The detection of these factors i......
Simple elimination method of hand dragging and blocking
Troubleshooting Elementary Interference
Interference is the disruption of a signal or transmission, caused by an outside source. In the context of audio and radio technology, interference is any noticeable background noise or distortion of sound. These disturbances are usually caused by outside s......
Bending correction machines: sheet metal bending presses, hydraulic sheet metal bending presses
Bending Press Machines
Bending press machines that are used to cut and shape sheet metal materials come in various sizes and shapes. These machines have various tooling options that can be used to bend, form, and shape sheet metal in a variety of applications. They are available in upright and ho......
Cause Analysis of Common Faults of Starter Motor
Failure Analysis of Common Faults in Electric Motor Starting
Electric motor starting is one of the most important operations in the industrial production process. The normal starting and operation of the motor directly affects the normal operation of the entire production equipment. But in the pr......
Hydrogeological Drilling
Groundwater and Hydrogeology Expedition
Groundwater and hydrogeology is a relatively new field of science, focusing on the study of underground water and the interactions between groundwater and surface water. Groundwater is an important resource on Earth, providing both drinking water and essent......
GB7777-87 Mechanical Vibration Measurement and Evaluation of Reciprocating Piston Compressors
Vibration Measurement and Evaluation of Reciprocating Compressors According to GB7777-87
Reciprocating compressors are used in many industries such as automotive, mining, and chemical engineering. They are versatile and reliable pieces of machinery, but they need to be monitored on a regular basi......
GB4980-85 Determination Engineering of Noise Sound Power Level of Displacement Compressor
Determination of Sound Power Level for Volumetric Compressors According to GB4980-85
1. Introduction
The aim of this project is to study the determination of sound power level for volumetric compressors according to GB4980-85. Sound power level, which is a measure of acoustic power emitted by ......
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