CASE STUDY-1
STAYING IN THE SAFE ZONE WITH VIBRATION AND SOUND ANALYSIS, MONITORING AND CONTROLLING
(Impact of Vibrations and Sounds in Plant and Machinery)
About Company:
A soft drink manufacturing company employs over 5,000 people in sites, warehouses and offices all over the country. The company Is responsible for manufacturing and distributing a wide range of different drinks products to customers throughout the country and some neighbor countries also. The following measurements were taken at the Mysore road facility in Bangalore.

The regional service station is the largest warehouse in the Manufacturing network. It occupies 2, 50,000sq.ft holds over 100 different products.
Problem:
The company has the following concerns:
The maintenance manager has the following concerns:
- The excess vibration of some machines.
- Employee’s health issues associated with the vibration and sound.
- Level of vibration in the plant will affect the quality of the product.
- Overall Vibration level should be according to the standards.
Control of vibration at work regulations (2005)
Table of exposure limits according to Government Regulations
Control of noise at work regulations (2005)
.The regulations are designed to prevent the health risks associated with employees exposure to vibration and noise in the workplace, like back pain & hearing loss respectively.
Solution:
The company wanted to measure the vibration and noise frequencies on site using advanced portable devices like Digital vibration Analyzer and Sound level meter and Analyzer for frequency measurement and analysis to know the levels at the site boundary.
The obtained data was further analyzed in vibration analysis PC software and compared with the limit values defined in the regulations.
The values are as follows:
Vibration:
Sound:



The Quality manager analyzed the data and suggested the staff to implement few changes in the machinery according to the Analysis
Following the vibration and noise measurements, The Company has issued new hearing protecting systems and also replaced some equipment and accessories.
A few weeks later, the company repeated the same measurement with the Vibration and Sound meter. The results showed the reduced and balanced level of vibration and sound on site after changing the new equipment and implementing protection.
The company was pleased with the results of the devices
Outcome/Benefits:
In the above table *=Approximate
From the above table, we can predict how much loss the company would have faced if the sounds and vibrations are not monitored at regular basis; it will cost both the financial and resource loss to the company.
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