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1.What is a non-destructive flaw detector?
Non destructive flaw detector refers to the physical or chemical method, under the premise of not damaging or affecting the service performance of the tested object and not damaging the internal organization of the tested object, using the changes of thermal, acoustic, optical, electrical and magnetic reactions caused by the abnormal internal structure or defects of the material, and with the help of modern technology, equipment and equipment Property, state and defect type, property, quantity, shape, position, size, distribution and change.
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2.Is there any radiation on the wire rope nondestructive flaw detector?
No X-ray radiation, no factors causing potential harm to human body.
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3.What are the disadvantages of manual inspection of steel wire rope?
1. The equipment has long empty running time and high energy consumption.
2. The accuracy of manual detection is low, and potential hidden dangers cannot be found in time.
3. Time consuming and inefficient.
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4.How does the wire rope nondestructive testing instrument realize the testing?
The detection method of wire rope nondestructive tester is to apply the electromagnetic principle to detect the damage of wire rope, quantitatively detect the cross street area damage of wire rope through LMA detection method, and then compare and analyze the defect nature and strength loss degree of wire rope through lf method.
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5.What is the purpose of wire rope flaw detection?
The flaw detection of steel wire rope is mainly to use the steel wire rope nondestructive flaw detector to carry out the nondestructive detection of the in-service or retired steel wire rope, find the problems of the steel wire rope in time through the detection, and provide guidance and suggestions for the use of steel wire rope in the later stage. At the same time, the nondestructive testing of steel wire rope can accurately evaluate the remaining service life of steel wire rope. The nondestructive testing of steel wire rope can detect the metal cross-sectional area damage and local damage of steel wire rope.
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6.What fields can the wire rope flaw detector be used in?
Wire rope flaw detectors are widely used in mines, cableways, hoisting equipment, elevators, port machinery, cable bridges, oil, transportation, construction, military and other fields.
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7.Operation procedure of wire rope detector?
1. Before turn on the computer power(including turn on the AD convertor) , please check whether the wire rope detector is properly installed and its connection state, and check whether all parts are connected well, and whether the screw is tightened.
2. Operator should know the performance and scrapping standard of all kinds of wire rope and accessories very well.
3. You should check the wire rope regularly in service time and inspect the important and large-tonnage lifting appliance.
4. Make sure the power of AD convertor is charged, the continuous working time of battery should not exceed 9 hours.
5. Do not take a mechanical watch in case the watch is magnetized.
6. Do not make the wire rope detector near computer, soft disk and printer to prevent the influence of strong magnetic field.
7. Make sure connect the line plug first, and then turn on the computer.
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8.Installation of wire rope detector?
1. The selection of wire rope detector installation location
The wire rope detector should be installed in a position using suspension fixation where the wire rope basically doesn’t move, avoid the wire rope swaying in the cavity. Only the part of wire rope though the sensor can be detected, so multi-point should be selected when there is a dead zone in the detection. Keep away from heat sources, magnetic sources and other instruments which affected by strong magnetic field etc.
2. Mark the inspection direction, zone and location
3. Method of wire rope detector installation
Install the detector at the beginning of wire rope, when the equipment drive the wire rope, it will be tested.
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9.what is the limitation of manual inspection?
1. The insecurity and great economic losses of manual inspection
The inspector can only see the external broken wire and the change of diameter of wire rope visually. The internal corrosion and abrasion is invisible to the human eyes.The inspector can not estimate the real condition of wire rope, so they can not replace wire rope in time to ensure the safety of mines and construction people.
2. The work efficiency by manual inspection is lower
Visual inspection, touching, measuring with caliper are not only waste time, but also limited to some working condition.
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10.How to choose Portable device or online monitoring system?
It depends on the requirement of customer. Multiple steel ropes to be inspected in a short time are more suitable for portable models. Portable wire rope tester is basic device, they can meet most applications. Very easy to operate and can be carried, the inspection result can be checked directly without PC. If the customer wants to monitor the condition of ropes for a long time and continuously, the on-line monitoring system can help him to do it.
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