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Spacer couplings are couplings set up in between a pump shaft coupling hub and a motor shaft coupling hub. Used in pumps, they generate ample space for the user to take away the seal during maintenance without having harmful or shifting something. gear coupling pump Hangzhou EPG Co.,Ltd. , was launched in November, 1997. With its 5 wholly owned subsidiaries.
Densen customized crane coupling,barrel coupling,crane component
|Item Name||Crane coupling,barrel coupling,crane component|
|Rated Torque||.four~4500 kN·m|
|Content||45# Steel or 42CrMo|
|Application||Widely utilized in metallurgy, mining, engineering and other fields.|
Typical circumstance of diaphragm coupling applied to variable frequency speed manage gear
JMB variety coupling is utilized to Daqing Oilfield Thermal Electrical power Plant
In accordance to the demands of Daqing Electrical Energy Company, Daqing Oilfield Thermal Electrical power Plant ought to dynamically change the electrical power generation according to the load of the power grid and market demand from customers, and have out the transformation of the frequency converter and the suction admirer. The motor was at first a 1600KW, 730RPM non-frequency variable speed motor matched by Shenyang Motor Manufacturing facility. The speed management method soon after changing the frequency is guide control. Press the button pace to increase 10RPM or drop 10RPM. The coupling is nonetheless the unique elastic decoupling coupling, and the elastic de-coupling coupling right after frequency conversion is regularly damaged, which directly impacts the standard electricity technology.
It is found through analysis that in the process of frequency conversion pace regulation, the pin of the coupling can not bear the inertia of the speed regulation method (the diameter of the fan impeller is 3.three meters) and is minimize off, which has wonderful harm to the motor and the enthusiast.
Later on, they switched to the JMB460 double-diaphragm wheel-variety coupling of our manufacturing facility (patent quantity: ZL.99246247.nine). After 1 hour of harmful experiment and more than one yr of procedure check, the gear is running quite effectively, and there is no Replace the diaphragm. 12 models have been rebuilt and the procedure is in good issue.
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