CNU Series Anti Vibration mounts

The CNU Series covers a wide range of load capacities to accommodate different types of industrial equipment. Depending on the specific model, the load capacity for a single mount typically ranges from 10–50 kg for light-duty applications to 50–300 kg for medium-duty industrial machines. Certain customized models can support even higher loads if required.

Load capacity is determined not only by the rubber’s physical strength but also by structural factors such as metal housing design, rubber hardness (Shore A), permissible deformation, and required safety factors. The CNU Series is engineered to balance load-bearing capability with vibration isolation performance, ensuring a low natural frequency even under higher loads.

When selecting the correct CNU model, several key factors must be considered:

1. Total equipment weight
   Heavier equipment requires higher load-capacity mounts, but the hardness must still match the vibration frequency to maintain isolation efficiency.

2. Number of mounting points
   Equipment typically uses 4 or more mounts; the load must be evenly distributed. If the system's center of gravity is uneven, load distribution should be adjusted accordingly.

3. Operating RPM and vibration frequency (Hz)
   For effective vibration isolation, the mount’s natural frequency must be lower than the machine’s vibration frequency. Incorrect matching may cause resonance or reduced isolation.

4. Operating environment (impact, dynamic loads, uneven floor)
   Machines with high dynamic loads require mounts with sufficient elasticity and deformation characteristics.

5. Machine dynamic characteristics
   Equipment such as compressors, pumps, and generators often generate cyclic or pulsating forces, requiring mounts with stable dynamic-load response.

Thanks to these well-engineered parameters, CNU Series mounts are suitable for a wide range of applications, including air compressors, reciprocating pumps, HVAC units, electric motors, blowers, and various industrial machinery.

In conclusion, the CNU Series offers broad load adaptability, and with different rubber hardness levels and metal configurations, it can effectively support light-duty, medium-duty, and even customized heavy-duty applications. Providing basic parameters such as equipment weight, mounting configuration, and operating frequency will allow for accurate model selection.

The ST Type Stepper Motor Damper is compatible with a wide range of equipment that relies on stepper motors for controlled and precise motion. Typical applications include CNC machines, 3D printers, laser cutting systems, robotic arms, and other automated machinery where stability and accuracy are critical. Any system that experiences vibration-induced step loss or noise can benefit from this damper. By integrating it into the motor setup, engineers and manufacturers can achieve smoother operation, higher positioning precision, and longer motor and machine life. Its compact and versatile design allows seamless installation without major modifications, making it an effective upgrade for existing systems as well as new builds. Whether the application requires quiet operation for laboratory or office environments or high-performance stability for industrial machinery, the ST Type Stepper Motor Damper provides an efficient and reliable solution for vibration reduction and motion control optimization.

The CNU Series anti-vibration mounts typically operate within a natural frequency range of 8–15 Hz, although the exact value depends on factors such as the weight of the supported equipment, the compression of the mount, and the hardness of the rubber material. The natural frequency refers to the frequency at which the mount vibrates when no external force is applied, and it directly affects the mount’s vibration isolation performance.

For most industrial machinery, vibration frequencies are higher than the natural frequency of the mount, which ensures optimal isolation. For instance, high-speed rotating equipment, pumps, or stamping machines often generate vibrations above 20 Hz. The 8–15 Hz natural frequency of the CNU Series effectively absorbs and attenuates these vibrations, thereby protecting both the equipment and the foundation from unnecessary stress, reducing wear, noise, and potential failures.

In addition, the CNU Series is designed to handle low-frequency impact and shock loads. During machine start-up or shutdown, momentary impacts or low-frequency vibrations may occur. If these are not absorbed, they can transmit through the foundation, causing structural stress and noise. The combination of reinforced steel housing and carefully formulated rubber allows the mount to provide sufficient cushioning for these transient forces while maintaining static load support.

It is important to note that the actual natural frequency depends on the total weight of the equipment and installation conditions. If the load is too light, the mount may not compress sufficiently, resulting in a higher natural frequency and reduced isolation performance. Conversely, excessive load may over-compress the mount, lowering the natural frequency but potentially shortening its service life. Therefore, selecting the proper model should be based on a comprehensive analysis of equipment weight, vibration characteristics, and operational requirements.

Proper installation is essential to maximize the performance of CNU Series mounts. Correct installation affects not only vibration isolation efficiency but also the long-term durability of the mounts. Key installation guidelines include:

Level and Rigid Foundation:
Mounts must be installed on a flat, solid, and load-bearing foundation. Uneven or flexible foundations can result in uneven load distribution, altered natural frequency, and reduced isolation efficiency.

Uniform Load Distribution:
For multi-point supported equipment, all mounts should bear the load evenly. Overloading a single mount can cause localized over-compression, accelerate rubber aging, and potentially damage the steel housing.

Avoid Torsion or Lateral Preload:
Mounts should not be subjected to twisting or lateral pre-compression during installation. Once installed, ensure that each mount bears the load vertically and all contact surfaces are properly engaged.

Use Appropriate Fasteners and Torque:
Bolts and nuts must meet the design requirements, and torque should be applied evenly. Over-tightening can damage the rubber or metal components, while under-tightening can allow the equipment to shift during operation.

Periodic Inspection and Maintenance:
After initial installation, it is recommended to periodically inspect mount conditions during early operation, including verifying rubber compression, bolt tightness, and overall machine balance. Under normal operating conditions, the CNU Series provides long-term stable performance, but annual checks are advised to maintain consistent isolation efficiency.

Following these installation requirements ensures that the CNU Series delivers reliable vibration isolation, noise reduction, and equipment protection over its service life, while maintaining stability and performance under varying operational conditions.