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Analysis Of The Repeater To Understand Its Performance
Oct 12, 2017


Repeater is also known as a professional magnetic coupling, permanent magnet drive. At present, China's production of permanent magnet eddy current transmission device is mainly composed of three parts, namely copper rotor, permanent magnet rotor and controller. In normal circumstances, the copper rotor is connected to the motor shaft, the permanent magnet rotor is connected with the shaft of the working machine, and there is an air gap (called the air gap) between the copper rotor and the permanent magnet rotor, and there is no mechanical connection to the torque. The structure to ensure that the motor and the working machine formed a magnetic connection between, so as to achieve the adjustment of the air gap to achieve the work machine shaft torque, speed change purposes.
At present, the vast majority of our Repeaters are by adjusting the air gap to change the working machine shaft torque, speed, so that it can adapt to the normal production. According to the different air gap adjustment, permanent magnet eddy current transmission device is divided into standard type, delay type, limit type, speed type and other different types. In the actual production, enterprises should choose the appropriate situation of their own production, select the appropriate permanent magnet eddy current transmission device.
In fact, the permanent magnet eddy current drive technology is not simply the use of magnet homosexual repulsion, the opposite sex suction principle, it also combines the transmission technology, materials technology, manufacturing technology. The combination of technology to make it have a better use value, and can create suitable conditions to run the machines and equipment, but also in the harsh environment. Therefore, the device has become a lot of harsh working environment of the place, so as to ensure the normal production.
At present, China's Repeater manufacturing technology is constantly improving, the future of the product will be more realistic, and to have energy-saving environmental performance, thus protecting the environment.
Most of the hydraulic relay shaft seal with oil seal. Seal seal condition is to ensure that the shaft and the oil seal lip to form a qualified ink, by the ink to produce surface tension to play a sealing effect. If the three machines are different, the force coupling shaft is affected by the radial force generated by the installation of different heart, resulting in winding or beating, will naturally destroy the oil film generation, which may produce oil spills. The installation of the hydraulic Repeater is very important, not only will produce oil leakage phenomenon will appear a lot of problems. There are premature bearing damage, elastic plum pad damage. Are installed by the different heart caused. So I hope everyone in the use of hydraulic Repeater when the first to be optimistic about the use of instructions, or the use of samples. Shaft side of the reasons for oil leakage is caused by three different heart.
Working fluid for the hydraulic relay transmission medium, the amount of liquid directly affect the number of relay can pass the rated power of the size of the same specifications in the rated power range can be achieved through the different liquid charge The changes can be matched with different power motors to suit different machine requirements.
The performance of the working fluid affects the ability of the Repeater to transmit torque and safe operation. The working fluid has a relatively high flash point, lower pour point, a larger density, suitable viscosity, corrosive, anti-aging, not foaming and precipitation, good lubricity, the specific requirements are as follows:
Oil media Repeater is recommended to use No. 22 turbine oil (turbine oil), 6 hydraulic transmission oil, No. 8 hydraulic transmission oil, coal mine and other flammable and explosive places should use water media Repeater. Oil media Repeater and the internal structure of the water medium Repeater, safety measures, anti-corrosion treatment, etc. are different, absolutely can not arbitrarily change the relay working medium for use.
Repeater when filling liquid filling plug, the working medium by GF1W0.63 / 0.2 filter filter can be filled into the Repeater cavity. After filling the appropriate working medium, check and tighten all the oil sumps and fusible plugs on the Repeater housing.

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