How To Detect The Presence Of Magnetic Powder In The Magnetic Powder Brake?

The working principle of the magnetic powder brake is coordinated by a certain magnetic powder. Without the magnetic powder, the brake is not called the magnetic powder brake. Magnetic powder has the characteristics of high magnetic induction intensity, high magnetic permeability, low remanence, low coercive force, high Curie point, large transmission torque, etc. As a high-density recording material, magnetic powder has attracted people's attention for a long time. The shortcomings such as difficulty in dispersion in the pulp have not been practical.

Therefore, when purchasing a magnetic powder brake, the magnetic powder is also a choice in the direction of purchase. It can be seen whether there is a phenomenon of magnetic leakage in magnetic particle detection. Among the necessary materials for magnetic powder clutches and magnetic powder brakes are magnetic powders and granular magnetic powders, so how to detect magnetic powders is the key part of selecting magnetic powder clutches and magnetic powder brakes. The existence of magnetic powder does not exist. It is a good machine. At the same time, the quality of magnetic powder needs to be checked. How to detect it?

First, the material of the workpiece and the roughness of the surface of the workpiece will also induce magnetic leakage. The production of magnetic leakage is related to the shape of the defect, the surface distance of the defect, and the relative position of the defect and the magnetic line of force. Therefore, these factors will affect or reduce the accuracy of magnetic particle detection.

Second, magnetic particle detection is extremely sensitive to the detection of defects on the surface of the workpiece. The principle of magnetic particle detection is that when the material or the workpiece is magnetized, there are cracks, cracks and other defects on the surface or the surrounding surface of the workpiece. The magnetic field, such as the higher the degree of defects on the surface of the workpiece, the detection sensitivity will quickly drop to zero, the parts after being magnetically pulverized, and not all defects can produce magnetic leakage.

The role of magnetic powder in the brake is huge, so the detection scheme can be used to detect the problem of magnetic powder when the user fails to use the brake to see if it has any effect. At this point, it can help users get some help when performing maintenance. At the same time, the magnetic powder brake has been relieved.