2024/03/07

42 Legend of Ultrasonic Testing Knowledge

Flaw detection refers to the detection of cracks or defects inside metal materials or components. Generally, magnetic, X-ray, ultrasonic and other instruments and devices are used. The commonly used inspection methods include X-ray inspection, ultrasonic inspection, magnetic particle inspection, penetration inspection, eddy current inspection γ Methods such as radiographic testing.

2021/08/20

Ultrasonic flaw detector is a kind of non-destructive testing ability with extensive application, high detection agility, and can detect tiny cracks

Metal ultrasonic flaw detector as a kind of non-destructive testing ability with extensive application, its important advantages are now: high detection agility, can detect tiny cracks;

2021/08/20

Factors affecting the detection accuracy of ultrasonic flaw detectors: detection object, temperature, surface roughness, magnetic field

Factors that affect the detection accuracy of ultrasonic flaw detectors: detection object, temperature, surface roughness, magnetic field, attached material, shape characteristics of defects, acoustic impedance of defects, and surface characteristics of defects (such as whether it is smooth).

2021/08/20

Portable ultrasonic flaw detector is a non-destructive flaw detection instrument. It can detect several kinds of defects in the workpiece quickly, without damage, and accurately

Portable ultrasonic flaw detector is a non-destructive flaw detection instrument. It can detect several kinds of defects in the workpiece quickly, without damage, and accurately.

2021/08/20

The corresponding inspection method when checking the quality of the digital ultrasonic flaw detector for equipment failure

What is the corresponding inspection method when checking the quality of the digital ultrasonic flaw detector's equipment?

2021/08/20

The following points need to be paid attention to when applying ultrasonic inspection technology to inspect the concrete of bridge pile foundation:

When the acoustic measuring tube is buried, it is necessary to ensure that the acoustic measuring tubes are relatively parallel and symmetrical, and the acoustic measuring probe can be synchronized and freely expanded and contracted in the acoustic measuring tube.

2021/08/20

Application of Ultrasonic Testing Method in Concrete Testing of Bridge Pile Foundation

When using the ultrasonic testing method to detect the concrete of bridge pile foundation, it is necessary to embed the acoustic measuring tube in the bridge pile foundation. The material of the acoustic measuring tube is made of metal. Damage occurred during the construction of the foundation concrete.

2021/08/20

Measures to prevent noise from bearing cage of coal mining machine

The sound source of the raceway is caused by the natural vibration of the ring after being loaded. Because of the elastic contact between the ring and the rolling element, a nonlinear vibration system is formed. When the lubrication or machining accuracy is not high, the natural vibration related to this elastic characteristic will be excited, and it will become noise when it is transmitted to the air.

2021/08/20

Large width 35mm grinding of special bearings for coal mining

High molecular weight hydrocarbon and non-hydrocarbon mixture of special bearings for coal mining machinery.

2021/08/20

Operating Regulations for Penetrating Flaw Detection

Before penetrant inspection, surface cleaning and pre-cleaning must be carried out to remove all contaminants on the surface of the inspected parts. The scope of preparation should be expanded by 25 mm around the flaw detection site.

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