Product Description

Product Description

 

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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Comparison of Disc Couplings with Other Coupling Types

When comparing disc couplings with other coupling types like jaw couplings and elastomeric couplings, several factors come into play:

• Flexibility: Disc couplings offer high flexibility and misalignment compensation, similar to elastomeric couplings, making them suitable for applications with angular, axial, and parallel misalignment.
• Torsional Stiffness: Jaw couplings are known for their high torsional stiffness, which is suitable for precision applications. Disc couplings offer a balance between flexibility and stiffness.
• Misalignment Compensation: Disc couplings excel in accommodating misalignment, whereas elastomeric couplings and jaw couplings are better suited for lower degrees of misalignment.
• Vibration Damping: Elastomeric couplings provide excellent vibration damping due to their rubber elements. Disc couplings can also dampen vibrations to some extent.
• Compactness: Jaw couplings and elastomeric couplings are relatively compact, making them suitable for space-constrained applications. Disc couplings are larger in size but offer higher torque capacity.
• Torque Capacity: Disc couplings generally have higher torque capacity compared to elastomeric couplings and jaw couplings.
• Installation and Maintenance: Disc couplings and elastomeric couplings are typically easier to install and require less maintenance compared to jaw couplings.
• Material Options: All three coupling types are available in various materials, allowing for compatibility with different environments.

The choice between disc couplings, jaw couplings, and elastomeric couplings depends on the specific requirements of the application, including torque, misalignment, vibration, and stiffness considerations. Each coupling type has its strengths, and selecting the right one involves evaluating these factors to achieve optimal performance and reliability.

Maintaining and Extending the Lifespan of Disc Couplings

Proper maintenance is crucial to ensure the longevity and reliable performance of disc couplings. Here are the best practices:

1. Regular Inspections: Conduct visual inspections to identify signs of wear, corrosion, or damage. Regular checks help detect issues early.
2. Lubrication: Follow manufacturer recommendations for lubrication intervals and use the appropriate lubricants. Proper lubrication reduces friction and wear between disc elements.
3. Alignment: Ensure proper alignment of the coupling and connected shafts. Misalignment can lead to premature wear and decreased coupling efficiency.
4. Torque Monitoring: Monitor torque levels and load variations to identify abnormal fluctuations. Address sudden changes promptly to prevent further damage.
5. Vibration Analysis: Use vibration analysis tools to detect and mitigate excessive vibration. Vibration can accelerate wear and affect machinery performance.
6. Temperature Management: Monitor operating temperatures to avoid overheating. Excessive heat can lead to premature wear and material degradation.
7. Load Consideration: Ensure the coupling is not subjected to loads beyond its capacity. Overloading can lead to accelerated wear and potential failure.
8. Environmental Factors: Protect the coupling from contaminants, moisture, and corrosive substances that can accelerate deterioration.
9. Timely Repairs: Address any identified issues promptly. Replace worn or damaged components to prevent further degradation.
10. Professional Assistance: If you encounter complex issues, consider involving experienced technicians or engineers for diagnosis and repair.

Following these practices helps maintain optimal performance, extend the lifespan of disc couplings, and contribute to the overall efficiency and reliability of machinery systems.

Considerations for Selecting a Disc Coupling for a Specific Application

Choosing the right disc coupling for a particular application involves considering several important factors to ensure optimal performance and reliability:

• Torque Requirements: Determine the maximum and continuous torque requirements of the application. Select a disc coupling that can handle the expected torque without exceeding its rated capacity.
• Misalignment: Evaluate the type and magnitude of misalignment expected in the system, including angular, parallel, and axial misalignment. Choose a disc coupling with the appropriate misalignment capability to accommodate these factors.
• Speed and RPM: Consider the operating speed and rotational speed of the connected shafts. High-speed applications may require disc couplings with balanced design to prevent vibration issues.
• Space Limitations: Evaluate the available space for installing the coupling. Disc couplings are compact and can be suitable for applications with limited space.
• Environmental Conditions: Assess the operating environment, including temperature, humidity, presence of corrosive agents, and exposure to dust or debris. Choose materials and coatings that can withstand the environmental conditions.
• Shaft Sizes: Ensure that the disc coupling’s hub bore sizes match the shaft sizes of the connected equipment.
• Alignment Maintenance: Consider the ease of installation and alignment maintenance. Some disc couplings feature spacer elements that simplify alignment and reduce downtime during maintenance.
• Backlash: Evaluate the backlash or play that the coupling introduces between the shafts. Backlash can affect the accuracy of position and torque transmission in precision applications.
• Dynamic Balancing: For high-speed applications, consider disc couplings that are dynamically balanced to prevent vibration issues that can arise from rotational imbalance.
• Resonance and Damping: Determine if the coupling design includes features to dampen vibrations and reduce the risk of resonance in the system.
• Service Life: Estimate the expected service life based on the application’s duty cycle and requirements. Choose a disc coupling with a suitable service life to avoid frequent replacements.
• Cost and Value: Compare the cost of the disc coupling with its features, performance benefits, and expected lifespan. Choose a coupling that provides the best value for your specific application.

By carefully considering these factors, you can select a disc coupling that meets the unique requirements of your machinery system and ensures reliable operation.

editor by CX 2024-04-17