everything that rotates
                        needs to be balanced

 

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Vibration Information for rotating machinery applications.

 

Vibration in Industrial Applications: Fans & Blowers

Friday, April 08, 2011

Air handling systems in industrial environments transfer large volumes of air to maintain adequate ventilation. These systems can range from small units with dimensions under a foot to extremely large units greater than 10 feet in height, depending on the specific application.

Before installation, each impeller undergoes a balancing process to minimize vibration when the unit is operational. Fans can often be balanced in a single plane, however blowers may have to be balanced at two planes if the have a large depth compared to the diameter. These costs add to the overall pricing for fan and blower products. Unfortunately, the initial balancing cannot overcome imbalances that occur after installation.  Read More

Vibration in Washing Machines

Thursday, March 31, 2011

washing machine balance
Top left: Unbalanced load in spin basket. Top right: Heavy weights used to dampen vibration.
Left bottom: Washing machine tub is suspended by one of the springs.
Right bottom: Dampers used to absorb vibration.
 Read More

Hand-Arm Vibration and Power Tools

Wednesday, March 30, 2011

Angle Grinder VibrationPower tools have been known to induce the risk of vibration-related diseases. An acute disease that is caused by regular exposure to hand-arm vibration (HAV) is known as white finger or Raynaud’s disease. There are also other vibration-related diseases such as: permanent and painful numbness and tingling in the hands and arms, painful joints and muscle weakening, damage to bones in the hands and arms. Read More

Balancing in Manufacturing

Monday, March 28, 2011

Balancing for ManufacturingBalancing has been an important function in industries that produce or utilize rotating machinery and equipment. The reason for balancing rotating equipment is because most materials and manufacturing processes are inherently flawed to some degree. It is extremely difficult to achieve a perfectly balanced product using conventional manufacturing techniques and companies spend considerable efforts to measure and correct imbalances in their products and equipment. Read More

Variation in Imbalance of Rotating Machinery & Equipment

Friday, March 25, 2011

Rotating equipment encompasses a wide range of products such as washing machines, power tools, fans, compressors, to name a few. These products are exposed to varying environments and operating conditions that can have a longterm impact on their performance.  Read More