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Design Problems of Rolling Mill Bearings
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Introduction
Rolling machine bearings play an important role in the operation of rolling machines as they are responsible for providing smooth, high performance and reliable operation of the machine. Rolling machine bearings are used in high speed machines, such as steel mills, plate rolling ma......
1068 
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GB/T 3222-94 Acoustic Environmental Noise Measurement Method
，内容是GB/T 3222-94声学 环境噪声测量方法
In 1994, GB/T 3222 was released by the China National Standards on Acoustics to provide a standard method to measure sound levels in the environment. The standard was developed to meet the needs of new acoustic construction regulations in China and to reduc......
Keyed joint assembly
Keystone Assembly
Keystone assembly is a type of electrical connection that is used to join two components together. It consists of two metal plates that are designed to be placed in contact with each other, and when they are pressed together, they create a strong bond that can stand up to signif......
Constant magnetic permeability alloy (GB/T15003-1994)
The Constant Magnetic Conductivity Alloy (GB/T15003-1994)
The term ‘constant magnetic conductivity alloy’, according to the Chinese National Standards GB/T15003-1994, is a metallic material composed of ferromagnetic alloys which exhibit nearly constant magnetic behavior in a very wide frequency......
Constant elastic alloys 3J53 and 3J58 for frequency components (YB/T5254-1993)
， 题目：A comparative study of two shape memory alloy materials -3J53 and 3J58（YB/T5254-1993）
Shape Memory Alloy (SMA) is a recent technology that has significant potential for use in the next generation of smart materials. This technology has been steadily gaining traction due to its remarkabl......
GB/T 4162-91 Ultrasonic Inspection Method for Forged Steel Bars
材料
Abstract
Ultrasonic testing is an important technique for detection of rolling defects in steel bars. Ultrasonic testing is typically used to detect internal flaws, such as cracks and other discontinuities, that cannot be detected by visual inspection. GB／T 4162–91 regulates the ultrasonic ......
34CrMo4 use
The 34CrMo4 steel is a high-tensile alloy steel that is typically used in applications where strength is a key factor. It has the highest strength properties of all of the alloy steels and is commonly used in automotive and aerospace components, valves, gears, and shafts. For high strength applica......
English-Chinese Contrast Table of Statistical Terms
Introduction
Learning a new language can be a difficult process. The first step, however, is understanding the terminology associated with the language. A sound knowledge of the vocabulary of the language is necessary in making the process easier. This is especially true when learning mathematical......
Electrotechnical Vocabulary (NR)
Narrowband: In telecommunications, narrowband refers to a range of frequencies or a type of service with a dedicated, fixed bandwidth, typically measured in hertz, allowing for the transmission of data over a limited range of frequencies.
Noise Figure: a measure used to describe how sensitive a r......
Common vocabulary of mechanical vibration and tribology
Mechanical Vibration and Friction Vocabulary
Acceleration: A measure of the rate of change of velocity over a given time.
Amplitude: The distance extended during a single complete vibratory cycle, or the difference between the maximum and minimum values in a vibratory cycle.
Coefficient of Rest......
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