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Constant Filling Fluid Coupling

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Fluid Coupling Voith

Fluid Coupling Voith

Oiling amount and method of hydraulic coupling Working fluid (working medium) of hydraulic coupling acts as the medium to transfer torque of coupler, and the number of liquid filled has great influence on the transmission torque and overload protection of coupling. For the same type of coupler,...

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Oiling amount and method of hydraulic coupling

Working fluid (working medium) of hydraulic coupling acts as the medium to transfer torque of coupler, and the number of liquid filled has great influence on the transmission torque and overload protection of coupling. For the same type of coupler, the amount of liquid filled directly affects the transmission torque of the coupling. The basic rule is that the more the liquid charge is, the greater the torque of the coupler is in the specified liquid filling range. When the transmission torque is constant, the more liquid charge, the higher the efficiency, but at this moment the starting torque increases, the overload coefficient also increases accordingly. The same size of the coupler can be matched with several motors with different power, so as to meet the requirements of different working machines. The amount of oiling (range of liquid filling) of hydraulic coupling has the same torque transmission (power) range as the specification hydraulic coupling. We call it the power belt, and the power band corresponds to the liquid filling range of coupler. Liquid coupling range is 40 of the total volume to 80%, not allowed beyond this range, but does not allow the full, because the filling amount exceeds the volume of 80% coupler rotation, due to overload and rapid warming boost, working fluid volume expansion, increased pressure within the coupling, breaking the seal, causing leakage, even cause coupling shell cracking mechanical damage. And the liquid filling volume is less than 40% of the volume, the bearing may be insufficient lubrication, the coupler can not be fully utilized, and the volume is large, no significance, it is recommended to choose a small specification model. Fluid couplings generally use oil medium. No. 32 turbine oil, 6 hydraulic transmission oil and 8 hydraulic transmission oil are recommended for working fluid. The limiting coupler used in coal mine is made of clear water and nonflammable liquid. Twist the bet slug with 80-100 mesh strainer, working fluid, injection quantity coupling, screw stopper test. When the user does not have strict requirements, the shell of the rotary coupler can be rotated, when the oil filling plug is rotated to about 55 of the highest point from the vertical central line, and when the working fluid of the cavity is flowed out, it can be regarded as a better oil level that the coupler can transmit higher rated power. The recommended users should adjust the amount of oil charge according to the size of the actual workload and the working conditions.

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