Utmt mining machinery investment

1. Mining skills of light of hope in the story of Ranch
here I'd like to share with you the tips I found in the first 30 layers. At present, my hammer has not been upgraded. I don't know if it's useful in the back of the 31 layers
don't rush to smash the ore when you go down the mine. The probability of getting out of the stairs is very low around the stairs + ore. if you dig around the stairs, if you don't have good luck, you will dig around the ore
it takes at least 2 hours to enter the mine. If you don't stay in the mine for 2 hours, you will lose time when you come out.

2.

1、 Refers to different

1, magnetic particle testing: also known as magnetic particle testing, is to use magnetic powder as the display medium to observe the defects

Ultrasonic testing: also known as ultrasonic testing, it is a non-destructive testing method that uses ultrasonic to inspect the internal defects of metal components

Magnetic particle testing: in the process of testing, the magnetic suspension is evenly distributed on the surface of the workpiece, and the shape and size of defects are displayed by using the flow of the carrier liquid and the attraction of magnetic powder by magnetic leakage field. Due to the dispersing effect and suspension performance of magnetic suspension, the particle size of magnetic powder can be smaller in wet testing

2. Ultrasonic testing: the transmitting probe is used to transmit the ultrasonic wave to the surface of the component through the coupling agent. When the ultrasonic wave propagates inside the component, there will be different reflected signals (echoes) at different interfaces. Using the time difference of different reflected signals to the probe, the internal defects of the component can be detected

Magnetic particle testing: magnetic particle testing can only be used to detect the surface or near surface defects of ferromagnetic materials, because the discontinuous magnetic traces are stacked on the tested surface, it can directly show the shape, position and size of the discontinuity, and roughly determine its properties

Ultrasonic testing: according to the height and position of the echo signal displayed on the fluorescent screen, the size, position and general property of defects can be judged. 3 ultrasonic testing is more sensitive to crack, incomplete penetration and incomplete fusion defects, but less sensitive to porosity and slag inclusion. Ultrasonic testing is not intuitive and easy to miss

3.

1. UT: ultrasonic test ultrasonic flaw detection is a method to check the defects of parts by using the characteristics of reflection at the interface edge when the ultrasonic energy penetrates into the depth of metal materials and enters into another section from one section. When the ultrasonic beam passes from the probe head to the metal from the surface of parts, the reflection wave will occur respectively when it meets the defects and the bottom of parts, The position and size of the defect can be judged according to the pulse waveform formed on the screen

these methods are different detection means, which should be studied separately. They have different theoretical basis, different detection principles, different detection methods, and different detection effect, which are complementary to each other

< H2 > reference: Network - Ultrasonic Testing Network - magnetic particle testing network - Radiographic Testing Network - Penetrant testing network - eddy current testing

4.

RT: radiographic inspection

ut: ultrasonic inspection

MT: magnetic particle inspection belongs to non-destructive inspection

5. UT is ultrasonic testing and MT is magnetic particle testing. UT uses ultrasonic testing to detect the internal defects of metal through reflected wave, and MT uses magnetic powder to detect the surface defects of metal through magnetic pole. Level 2 qualification is the qualification that can be tested.

6. Of course, it's reliable. Jiajia supply chain is quite good. Many of our foreign trade partners in Langfang cooperate with this enterprise. It's reliable and can save money

7.

FN is the meaning of field test,

ft is the meaning of field record,

extended data:

nondestructive testing is no longer just using X-ray, including acoustic, electrical, magnetic, electromagnetic wave, neutron, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave, electromagnetic wave Laser and other physical phenomena are almost used in nondestructive testing

for example: ultrasonic testing, eddy current testing, magnetic particle testing, radiographic testing, penetrant testing, visual testing, infrared testing, microwave testing, leakage testing, acoustic emission testing, magnetic flux leakage testing, magnetic memory testing, thermal neutron photographic testing, laser speckle imaging testing, fiber Bragg grating sensing technology, etc., and new methods and technologies are constantly developed and applied

in fact, many new technologies have been developed for some seemingly very traditional nondestructive testing methods, such as:

(1) radiographic testing - the traditional technology is film radiography (X-ray and gamma ray). New technologies include accelerator high energy X-ray radiography, digital radiography (DR), computer radiography (Cr, similar to digital radiography), computer tomography (CT), X-ray diffraction, etc

(2) ultrasonic testing: the traditional technology is A-mode ultrasound (A-scan ultrasound, a-ultrasound). New technologies include: B-scan ultrasound (B-ultrasound), C-scan ultrasound (c-ultrasound), ultrasonic diffraction (TOFD), phased array ultrasound, resonance ultrasound, electromagnetic ultrasound, ultrasonic guided wave, etc

8. Unknown_Error

9. In the past, the method of cutting, cutting and grinding was called destructive testing, which damaged the workpiece and could not be used again. Now the nondestructive testing method does not affect the use of the workpiece
there is no so-called sequence of detection, it is carried out along with the processing procere. There is no reason to do flaw detection after the completion of aircraft manufacturing, it can tell you unqualified without testing! That is to say, every process should be tested
note: testing can not be carried out one by one, so the cost is too high and unrealistic (time, cost, manpower, number of testing equipment and working space are all limited). In large-scale proction, parts and components are inspected by sampling, and there are special scientific methods. However, key and important parts should be inspected one by one, such as all parts of Shenqi
generally, the metal work pieces are divided into casting and forging parts, machining parts, sheet metal parts, welding parts, etc
among the four methods (strictly speaking, five, and acoustic emission ET), UT and PT are most commonly used, because they are convenient, but only suitable for local examination
of course, the most ideal equipment for comprehensive detection is RT, but the cost is high. Now it can be visualized on the computer screen (in the past, only film was taken), and the detection results can be made into video files
for large castings and forging parts, only RT and ut can be used
of course, working on the assembly line is another matter. It can be carried out step by step and checked one by one in any possible way, because the cost of each proct is so small that it can be ignored. It doesn't matter how expensive the device is.