Causes and Solutions for Increased Operating Noise in Industrial Washers

100 kg industrial washers are important machines in laundry plants. They usually operate under high-load conditions. As the service life increases, increased operating noise is more likely to occur. Although a single abnormal noise may not cause severe failures, it cannot be overlooked. It not only affects the working environment but also causes permanent damage to key components, such as bearings and motors. What are the causes of operating noise? What should laundry plants check when finding increased operating noise in industrial washers? 

Noise Caused by the Drive System

The drive system is the core mechanical part of an industrial washer. Noise mainly comes from component wear and abnormal clearance. 

● Loose belt

- Phenomenon 

At the start of washing and extraction stages or during operations, the washer makes periodic and sharp crackling sounds. 

- Causes

Most industrial washers use V-belts. Long-term overloading causes belt loosening and stretching. The belt grooves may wear and become wider. If the belt tension is insufficient, slipping and re-engagement will occur between belts and pulleys. This creates slapping noises. 

- Solutions

Operators should cut the power and open the rear panels. Check whether there are oil stains or excessive wear on belt surfaces. 

If belts have cracks or inner layer breakage, replace them with the same-model belts. And replace them in pairs for even load distribution. 

Kingstar 100 kg industrial washers use seven high-quality wedge belts. They are durable with excellent slip-resistant performance. They also have a long service life. 

● Severe bearing wear

- Phenomenon 

During operations, the machine makes low and continuous rumbling noise. The noise increases with spin speed. The vibration becomes significantly stronger. 

- Causes

Due to insufficient lubrication and moisture corrosion, bearing balls or raceways of motor or main shaft bearings may develop pitting, flaking, and even cracking. Excessive bearing clearance causes rotor eccentricity. During operations, this may cause severe impact as well as dry friction.

- Solutions

Operators should shut down the machine and rotate pulleys manually. Check whether the rotation is smooth and whether there is any jamming or radial play. 

Damaged bearings should be replaced by professional technicians. Kingstar industrial washer uses high-quality and large-diameter roller bearings. The three-bearing design makes it more durable. 

Noise Caused by Structure & Assembly Deviation

- Phenomenon 

During high-speed extraction, the inner drum severely shakes and hits the outer cabinet to make knocking sounds. 

- Causes

The laundry is unevenly distributed in the drum, which causes centrifugal imbalance. 

The suspension rod springs connecting the outer cylinder and cabinet reduce their damping performance. It cannot effectively inhibit the amplitude during extraction.

Shipping bolts are not removed. Long-term vibration causes anchor bolt loosening. 

- Solutions

Shut down the machine promptly. Then shake and redistribute the laundry evenly.

Check the suspension rods at four corners of the cabinet. See if there is oil leakage or spring deformation. If necessary, replace the suspension rod components. 

Check the entire machine condition with a level gauge. Adjust the leveling feet to ensure four feet evenly contact the floor. 

Kingstar industrial washer can completely address the above issues. The washer automatically distributes the laundry load before extraction. If load distribution is improper, the vibration protection switch will start and stop the machine. The equipment automatically shuts down. Besides, Kingstar industrial washer uses a double-layer seat-mounted spring system rather than suspended springs. So it has better vibration reduction performance and stability. 

External Environment & Installation Process

Many times, noise issues are not caused by internal machine components, but by improper installation foundation. 

- Phenomenon

At a given spin speed (during the spin acceleration stage), the entire machine makes severe low-frequency resonance with the tendency to move. 

- Causes

The ground is uneven. Four feet do not completely contact the floor. This causes the machine to twist. The inner drum and outer cabinet misalign in concentricity. Besides, the machine is installed on a rigid concrete floor without anti-vibration pads. This increases the vibration level. 

- Solutions

Adjust the feet height with a spanner to ensure the four feet stably contact the ground. And secure them with lock nuts. 

Place anti-vibration pads or blocks under the industrial washer to reduce high-frequency vibrations.

Check whether there are rigid objects close to the cabinet. Keep a safety clearance (at least 50 mm).

Kingstar industrial washer features an anti-vibration design. Equipment can be directly installed, without requiring a foundation. When installing, ensure the four feet are leveled. This significantly reduces installation difficulties, costs, and later maintenance. 

Abnormal Sealing Parts & Auxiliary Mechanisms

Abnormal noise comes from over-tightening sealing rings. 

- Phenomenon

During operations, machines produce continuous creaking sounds. The temperature at the main shaft rises abnormally. 

- Causes

Rubber sealing rings on the driving shaft are swollen due to aging. Or they may be installed too tightly. This causes insufficient lubrication between shafts and seal lips, which forms dry friction. 

- Solutions

Properly adjust the tightness of sealing covers. Apply moderate specialized grease. Replace the worn and hardened seal lips. This avoids burning out the motor caused by excessive friction resistance. 

Make inspection records for industrial washers. Check belt tension and bearing temperature every season. Besides, clean the dust from motor fan covers and driving areas regularly. This avoids poor heat dissipation and quick component aging. During operations, promptly report abnormal noise and troubleshoot the causes. Therefore, the service life of industrial washers can be effectively extended. Laundry plants can operate in an efficient mode. 

Q&A

Q1: What is the warranty period of Kingstar industrial washers? 

A1: Two-year warranty period for the entire machine. 

Q2: Does a Kingstar 100 kg industrial washer require a foundation? 

A2: No. It has multiple anti-vibration designs. The vibration reduction rate reaches up to 98%. It can be directly used on any floor.

Q3: Is Kingstar industrial washer’s inner drum tested for dynamic balancing?

A3: Yes. It is tested for dynamic balancing with professional devices.