Product Description

Product Description

 

1. The allowable compensation quantity listed in the table refers to the relative offset of 2 axes formed by the comprehensive factors such as vibration, shock, deformation and temperature change caused by manufacturing error, installation error and working load change under working condition.
2. The maximum allowable angular deviation of the coupling shall not exceed ±5°.

The maximum opening value is a circular hole or a tapered hole with a keyway.

Main applications:

DWZ disc eddy current brake is mainly used as load in loading dynamometer equipment. it is experimental apparatus which can measure the dynamic mechanical properties, especially in dynamic loading test whose power value is small or tiny, also can be treated as suction power devices of other dynamic devices.

DW series disc eddy current dynamometer is, is that add device for measuring torque and rotational speed on DWZ series disc eddy current brake, it is experimental apparatus which can measure the dynamic mechnical properties, especial in dynamic loading test whose power value is small or tiny.

CW eddy current brake as a load is mainly used to measure the mechanical characteristics of inspection equipment, it and other control instrument (including loading apparatus, torque speed sensor and torque power acquisition instrument etc.) can be composed of eddy current dynamometer can be used for performance testing of the internal combustion engine, motor, gas turbine, automobile and its dynamic mechanical components, compared with other power measuring device, the CW series power measuring device has the advantages of reliability, high stability and practicability.

Eddy current brake/dynamometer	Rated Power	Rated torque	Rated speed	Maximum rotational speed	Turning inertia	Maximum excitation voltage	Maximum excitation Current	Cooling water pressure	Flow of the cooling water
DWZ/DW-0.75	0.75	5	2000-2600	16000	0.002	80	3	0.1~0.3	1
DWZ/DW-3	3	10	2000-2600	14000	0.003	80	3	0.1~0.3	2
DWZ/DW-6	6	25	2000-2600	14000	0.003	80	3	0.1~0.3	3
DWZ/DW-10	10	50	2000-2600	13000	0.01	80	3	0.1~0.3	4.5
DWZ/DW-16	16	70	2000-2600	13000	0.02	80	3.5	0.1~0.3	6.5
DWZ/DW-25	25	120	2000-2600	11000	0.05	80	3.5	0.1~0.3	15
DWZ/DW-40	40	160	2000-2600	10000	0.1	90	4	0.1~0.3	25
DWZ/DW-63	63	250	2000-2600	9000	0.18	90	4	0.1~0.3	45
DWZ/DW-100	100	400	2000-2600	8500	0.32	120	4	0.1~0.3	60
DWZ/DW-160	160	600	2000-2600	8000	0.52	120	5	0.1~0.3	100
DWZ/DW-250	250	1100	2000-2600	7000	1.8	150	5	0.2~0.4	180
DWZ/DW-300	300	1600	2000-2600	6000	2.7	150	5	0.2~0.4	210
DWZ/DW-400	400	2200	2000-2600	5000	3.6	180	10	0.2~0.4	300
DWZ/DW-630	630	3600	2000-2600	5000	5.3	180	10	0.2~0.4	450

 

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Compensation for Misalignment in Elastic Couplings

Elastic couplings are designed to accommodate certain degrees of misalignment between connected components in mechanical systems. The elastomeric material used in the coupling plays a crucial role in this compensation process:

When the two components connected by the elastic coupling experience angular, parallel, or axial misalignment, the elastomeric material deforms to a certain extent. This deformation allows the coupling to maintain its connection while absorbing the misalignment-induced stresses and forces.

The elastomer acts as a flexible link between the components, allowing them to move relative to each other within specified limits. The deformation of the elastomer also helps distribute the load more evenly, reducing stress concentrations and the risk of premature wear or damage to the coupling or connected components.

Elastic couplings can compensate for both static and dynamic misalignment, making them suitable for applications where minor misalignment is unavoidable due to factors such as manufacturing tolerances, thermal expansion, or vibration.

It’s important to note that while elastic couplings can accommodate misalignment, excessive misalignment should still be avoided, as it can lead to accelerated wear and reduced coupling lifespan. Regular inspection and maintenance are recommended to ensure that the coupling is operating within its designed limits.

Maintaining the Longevity of Elastic Couplings

Ensuring the longevity and optimal performance of elastic couplings requires proper maintenance and care. Here are some key considerations:

• Regular Inspection: Periodically inspect the coupling for signs of wear, damage, or misalignment. Look for cracks, tears, or other deformations in the elastic elements.
• Lubrication: Some elastic couplings require lubrication for smooth operation. Follow the manufacturer’s guidelines on lubrication intervals and recommended lubricants.
• Environmental Conditions: Consider the operating environment of the coupling. Extreme temperatures, chemicals, moisture, and other factors can affect the coupling’s lifespan. Choose materials and designs suitable for the specific conditions.
• Proper Alignment: Ensure that the connected components are properly aligned to minimize excessive stress on the coupling. Misalignment can accelerate wear and reduce performance.
• Load Capacity: Do not exceed the coupling’s recommended torque and load ratings. Overloading the coupling can lead to premature failure.
• Shock and Vibration: If the system experiences frequent shock or vibration, consider using dampening or vibration-absorbing components to reduce the stress on the coupling.
• Replacement: When signs of wear or damage become noticeable, promptly replace the coupling to avoid further issues. Delaying replacement can lead to more significant problems in the machinery system.
• Follow Manufacturer Guidelines: Always follow the manufacturer’s recommendations for installation, operation, and maintenance of the specific coupling model.

By adhering to these considerations and performing regular maintenance tasks, engineers can extend the lifespan of elastic couplings and ensure reliable and efficient operation in various machinery applications.

Principles of Torsionally Elastic Couplings

Torsionally elastic couplings, also known as flexible couplings, operate based on the principles of flexibility and torsional elasticity. These couplings are designed to transmit torque while accommodating misalignments, dampening vibrations, and providing protection against shock loads. Here’s how they work:

• Flexibility: Torsionally elastic couplings are made of materials that can flex or bend to some degree. This flexibility allows them to absorb misalignments between connected shafts, such as angular, parallel, and axial misalignments.
• Torsional Elasticity: The material properties of the coupling allow it to twist or deform slightly under torque loads. When torque is applied to one end of the coupling, the coupling flexes and twists to transmit torque to the other end while compensating for any misalignments.
• Vibration Dampening: The torsional elasticity of the coupling helps dampen vibrations that occur due to sudden torque changes or variations in load. This is especially important in applications where smooth operation and reduced vibrations are essential.
• Shock Load Protection: Torsionally elastic couplings can absorb and mitigate shock loads that might occur during sudden starts, stops, or changes in load. This protection prevents damage to connected equipment and extends the lifespan of machinery.

Overall, torsionally elastic couplings enhance the performance, reliability, and durability of machinery by providing flexibility, dampening vibrations, and protecting against misalignments and shock loads.

editor by CX 2024-04-25