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Directional Coupler Refueling To Pay Attention To What
Aug 01, 2017

Directional Coupler refueling to pay attention to what
The general machine operation may encounter the machine to add oil to the direction of the Directional Coupler as a liquid oil as a working medium through the pump wheel to the kinetic energy of the liquid into a mechanical connection motor and work machinery to achieve power transmission equipment refueling is yes, Does the Directional Coupler have a requirement for refueling?
The answer is yes about the refueling requirements for Directional Couplers, with the following points:
1. When using a Directional Coupler, the user does not have a strong requirement that we can rotate the Directional Coupler housing, which can be regarded as a Directional Coupler when the oil filler port reaches the highest point of about 55 ° and the internal working fluid just flows out Higher rated power for better oil level
2. When filling the oil filling plug, the working medium is filtered through the GF1W0.63 / 0.2 filter before filling the Directional Coupler cavity. After filling the appropriate working medium, check and tighten all the oil filler plugs and fusible plugs on the Directional Coupler housing.
3. Directional Coupler can not be less than the minimum filling oil for the working chamber of the total volume of 40%, too little oil may lead to lubrication is not in place, thus shortening the performance of Directional Coupler.
Directional Coupler is only safe to use, in order to ensure the normal use of the machine, the following details on how the Directional Coupler to run safely:
1, Directional Coupler must use flame retardant liquid as the working medium.
2, pump wheel, turbine wheel and shell should be prevented from deformation, damage, corrosion or cracks. The shell has a slight crack, can be welded to repair, but should eliminate the internal stress.
3, the repair should be static pressure test, filling the pressure of 0.3MPa, the Directional Coupler inflatable mouth sealed, to maintain 5min, the pressure shall not decline.
4, a centrifugal valve Directional Coupler, centrifugal valve must be added to the action of the action, the action should be flexible and reliable.
5, Directional Coupler repair should be done after the static balance test, the center of gravity on the rotation of the axis of the deviation of not more than 0.02mm.
6, fusible alloy plug must be complete, the melting temperature should be consistent with the provisions of the type of Directional Coupler.
Tips: safe use of Directional Coupler, contribute to the normal work, the safety of workers is also a responsibility, but also to extend the life of the machine.
For high-power, long-distance belt conveyor, due to multi-machine drive, easy to start when the current is large, the operation of the motor power distribution uneven, the application of soft start technology is to improve its starting conditions, the main means, and The use of speed-type Directional Coupler is the ideal method. The following Directional Coupler manufacturers to introduce you to the speed of Directional Coupler application effect of it
1. Can realize the soft start of belt conveyor.
2. Multi-machine drive, can achieve multi-machine sequence start to reduce the impact on the external power grid, and can achieve the power balance of the motor, the power imbalance accuracy control within ± 5%.
3. automatically prevent overload. Based on the coupler can be isolated torque, slow impact of the hydraulic transmission characteristics, when the conveyor overload, the coupling pump wheel and the sliding between the turbine must increase, the turbine does not even move, then the working oil temperature rose rapidly, When the temperature reaches 100 ℃ -140 ℃, the fusible plug melts and the working liquid is ejected, so that the pump wheel is unloaded and the motor and the transmission parts are protected from damage.
4. In addition to the convenience of computer control, in the fault state can be temporary to achieve manual.

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