What Factors Should Be Considered When Designing Passive Vibration Isolation for Precision Instruments?_Faq

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The vibration reduction products include five categories: spring shock absorbers, rubber shock absorbers, membrane air suspension shock absorbers, air cushion shock absorbers, and steel wire rope shock absorbers, covering five major fields: industrial equ

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Q
What Factors Should Be Considered When Designing Passive Vibration Isolation for Precision Instruments?

For passive vibration isolation of precision instruments, several key factors must be evaluated comprehensively. These include the stiffness of the equipment supporting structure, the overall size and geometry of the instrument, the spacing, quantity, and installation layout of the vibration isolators, and whether the center of gravity of the equipment is excessively high, which may affect stability and isolation performance.
Proper consideration of these factors is essential to ensure effective vibration isolation, long-term operational stability, and reliable performance of precision instruments.
Q
How Can We Identify Whether Noise from Rooftop Equipment Is Due to Vibration or Acoustic Noise?

In the noisy room, place your ear close to the wall and observe any changes in sound levels while opening and closing the window.
Monitor whether the perceived noise level inside the room changes accordingly, and inspect the space for potential sound leakage paths, such as pipe penetrations or other structural openings.
Q
Which Locations Should Be Equipped with Vibration Isolators in an Air Conditioning System?

Focusing solely on the air conditioning unit while neglecting vibration isolation for pumps and piping systems will allow vibration to continue to be transmitted through the structure. Therefore, vibration isolation must be addressed in a comprehensive and systematic manner.
In addition to the air conditioning unit itself, pipe supports, rigid pipe-to-wall penetrations, small motors, fans, and water pumps should all be provided with appropriate vibration isolation measures.
Q
Why Is Vibration Damping Not Effectively Reducing Vibration in Rooftop Air Conditioning Units?

Manually check each piece of equipment by touching the lower corners of the unit and the channel steel or floor beneath the vibration isolator to assess the effectiveness of vibration isolation.
If vibration is transmitted directly, indicating a vibration short circuit, the vibration isolator should be adjusted or corrected.
In addition, verify whether vibration isolation measures have been implemented at the pump supports and at pipe penetrations through walls, assess the structural stiffness of the floor, and confirm whether the equipment is installed directly above or adjacent to load-bearing beams.
Q
How to operate the salt spray test of wire rope isolator?

Under neutral salt spray test conditions, Type 304 stainless steel typically achieves a corrosion resistance duration of 48–72 hours, while Type 316 stainless steel generally achieves 72–120 hours.
The salt spray test results are dependent not only on the material grade, but also on manufacturing-related factors, including machining accuracy, surface finish, and surface flatness of the test specimen.

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