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Jaw couplings, also known as spider couplings, are composed of two metallic hubs pressed into an EPG element known as the spider. They are utilized for purposes the place vibration have to be constrained. In addition to vibration dampening, jaw couplings offer several positive aspects, these kinds of as their resistance to dampness, filth and sand, and grease and oil. Also, they do not require lubrication to work. The major disadvantage of this sort coupling is the reality that they wrestle with misalignment. zapex gear coupling we have received the have confidence in of purchasers worldwide. a specialised provider of a entire range of chains, sprockets, gears, equipment racks, V-belts, couplings and reducers， pto shaft, agricultural gearboxes….
Densen customized pin bush coupling,flexible coupling,elastic dowel pin shaft coupling
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| Solution Title | Densen tailored pin bush coupling,flexible coupling,elastic dowel pin shaft coupling |
| DN mm | 12~850mm |
| Rated Torque | 100~2500000 N·m |
| Allowable pace | 4000~460 kN·m |
| Substance | 45#metal |
| Application | Extensively employed in metallurgy, mining, engineering and other fields. |
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Application Case
Standard circumstance of diaphragm coupling utilized to variable frequency pace handle equipment
JMB type coupling is utilized to Daqing Oilfield Thermal Electrical power Plant
In accordance to the specifications of Daqing Electric powered Energy Company, Daqing Oilfield Thermal Electrical power Plant should dynamically change the energy era according to the load of the electrical power grid and market place demand, and have out the transformation of the frequency converter and the suction admirer. The motor was initially a 1600KW, 730RPM non-frequency variable velocity motor matched by Shenyang Motor Manufacturing facility. The velocity manage manner right after changing the frequency is manual manage. Press the button pace to enhance 10RPM or fall 10RPM. The coupling is nevertheless the unique elastic decoupling coupling, and the elastic de-coupling coupling soon after frequency conversion is frequently destroyed, which immediately influences the typical electricity technology.
It is discovered through investigation that in the procedure of frequency conversion velocity regulation, the pin of the coupling can not bear the inertia of the speed regulation procedure (the diameter of the enthusiast impeller is three.three meters) and is reduce off, which has wonderful damage to the motor and the admirer.
Later on, they switched to the JMB460 double-diaphragm wheel-variety coupling of our factory (patent variety: ZL.99246247.9). Right after 1 hour of destructive experiment and far more than a single calendar year of operation check, the products is managing quite properly, and there is no Replace the diaphragm. 12 units have been rebuilt and the operation is in good condition.
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