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Installation of Mining Vibration Sensors
There are four primary methods of attaching a mining vibration sensor to a monitoring location during predicted maintenance. The use of stud mounting, adhesive mounting, magnetic mounting, and the use of probes or stingers. Both methods affect the high frequency response of the accelerometer. Rod-end mounting provides wide frequency response and safe and reliable attachments for mounting mining vibration sensors on studs. So, here's what you need to know about mining vibration sensor mounting.
When choosing a mounting method for a mining vibration sensor, carefully consider the advantages and disadvantages of each technology. Characteristics such as location, ruggedness, width range, accessibility, temperature and portability may be important. However, an often important and overlooked consideration is that the mounting technique affects the accelerometer's high-frequency operating range.6 possible mounting techniques and their effect on the response of a typical piezoelectric accelerometer. Note that not all mounting methods are suitable for specific mining vibration sensors.
By examining the mounting configurations and correspondences, it can be seen that the high frequency response of the accelerometer may be impaired as mass is added to the system or the mounting stiffness is reduced. Note: The low frequency response is not affected by the mounting technique. This roll-off behavior is usually fixed by the electronics of the built-in sensor. However, the low frequency region may be affected if operating an AC-coupled signal conditioner that has an input impedance of less than 1 megohm readout.
1.Ordinary motors are connected to other loads through couplings. The load is the source of vibration, accompanied by problems with the concentricity of the coupling. Therefore, the front bearing of the motor is the place where vibration is high. A common method is to install mining vibration sensors in the vertical and horizontal directions of the front cover.
2. There are 3 types of mounting methods for mining vibration sensors: screw fixing, magnet bracket and bonding.
3. In order not to damage the main product of the equipment, the usual installation method is base mounting, that is, in the vibration sensor at the bottom of the installation of the base, the base is mounted directly on the equipment being tested (the main body of the equipment material is usually cast iron).
4. In order to make the mining vibration sensor and equipment more solid, long-term vibration monitoring of the equipment, to avoid some deviation of the sensor, a certain amount of AB adhesive can be fixed for a long time.
5. Fix the mining vibration sensor on several non-magnetic metal surfaces. You can also install a mounting bracket on the bearing bushing to fix the sensor and tighten the end cap of the bearing bushing to solve the problem.
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