Introduction
In the production processes of industries such as mining and quarries, the handling of wet, sticky, mud-containing and viscous materials has always been a difficult problem for enterprises. This type of material is prone to clogging and uneven feeding during processing, which directly leads to low crushing efficiency. Traditional screening equipment, such as ordinary vibrating screens, show obvious deficiencies when dealing with wet and sticky materials. Due to the strong viscosity of the material, it is prone to adhere to the screen mesh, causing the screen holes to be blocked. Relevant statistics show that when traditional vibrating screens handle wet and sticky materials, the maintenance costs caused by clogging problems account for more than 45% of the total equipment maintenance costs, and the effective screening efficiency of the equipment can only reach 50% to 60% of the designed value. Against this backdrop, wobbler feeder, with its unique design and working principle, has gradually become an ideal choice for solving the problem of handling wet and sticky materials.
The core advantages of Wobbler Feeder
Significantly increase production capacity
The Wobbler Feeder can complete fine material screening in one operation, feeding only large pieces of material into the crusher or impact crusher, directly enhancing the processing efficiency of subsequent equipment. After introducing Wobbler Feeder, the production capacity of a certain quarry enterprise's crushing production line increased by 65%, rising from processing 200 tons of materials per hour to 330 tons per hour. This data is derived from the company's production report in 2022, fully demonstrating the remarkable effect of Wobbler Feeder in enhancing production capacity.
Anti-blocking and self-cleaning
Designed for wet, sticky and muddy materials, the screen shaft and screen plate work together to make the materials roll forward, effectively preventing adhesion and blockage. When handling viscous materials with a moisture content of 25% to 30%, traditional vibrating screens need to be cleaned 2 to 3 times per hour. The Wobbler Feeder, equipped with a self-cleaning device, can operate continuously for more than 8 hours, significantly reducing downtime.
Reduce maintenance costs
By bypassing, abrasive and clogging fine materials can be removed to reduce wear and maintenance requirements for subsequent crushing equipment. According to statistics, after the use of Wobbler Feeder, the liner replacement cycle of subsequent crushing equipment has been extended by 50%, and maintenance costs have been reduced.
Low energy consumption and small space requirements
The Wobbler Feeder has low operating power, requires little headroom and is easy to install. Take a device with a processing capacity of 300 tons per hour as an example. Its motor power is only 15kW, while the motor power of a traditional vibrating screen usually needs to be above 22kW. Meanwhile, the Wobbler Feeder takes up 20% to 30% less space than traditional vibrating screens, making it particularly suitable for production sites with limited space.
Low vibration, low noise, and no transmitted stress
It operates smoothly, has little impact on surrounding equipment and the environment, and is suitable for both fixed and mobile applications. The vibration acceleration of the Wobbler Feeder is less than 0.5g, and the noise level is below 85dB, which is far lower than the vibration and noise indicators of traditional vibrating screens. This not only improves the working environment for the operators, but also reduces the impact of the equipment on the factory building structure.
The superiority in the processing of difficult-to-screen materials
Especially when dealing with difficult-to-screen, wet and sticky bulk materials, this feeding and screening method is significantly superior to traditional screening machines. Traditional screening machines often experience adhesion and blockage when handling such materials. The comparative test conducted by the International Mining Equipment Association (IMEA) in 2023 shows that when dealing with wet and sticky materials with a mud content of over 15%, the processing efficiency of the Wobbler Feeder is 2 to 3 times that of traditional vibrating screens.

The craftsmanship and design of Wobbler Feeder
Bearing
Adopt well-known brand bearings such as SKF or FAG to ensure the stable operation of the equipment. High-quality bearings have a long design life, which greatly enhances the reliability of the equipment.
Screen shaft
The shaft is made of 4140 (Cr-Ni-Mo) hardened steel as a whole, with high hardness and strong wear resistance, ensuring a long service life. After testing, the surface hardness of the shaft made of this material can reach HRC 50-55, and it can withstand considerable impact and wear.
Sieve plate
The screen discs are mostly designed in an elliptical or triangular shape. During rotation, they continuously generate regular jolting and rolling movements, pushing the materials to constantly loosen and move forward. At the same time, the fine mud and fine materials adhering to the large pieces of materials are constantly shaken off and discharged through the gaps of the screen discs.
Box body
The side cover is made of thick wear-resistant steel plate and fixed to the body with countersunk screws, featuring excellent sealing performance and wear resistance. The design of the side cover can effectively prevent material leakage and protect the internal components of the equipment from damage.
Overall durability
The sturdy structural design enables it to work efficiently under a load filled with materials. The frame of the equipment is welded with high-strength section steel and has undergone strict stress tests to ensure that it will not deform under long-term full-load operation.
The applicable scenarios and application cases of Wobbler Feeder
Raw ore processing in mines and quarries
It is particularly suitable for the primary screening and feeding of wet, sticky and mud-containing materials. During the mining process, raw ore often contains a large amount of soil and water. Wobbler Feeder can effectively separate fine materials and soil, providing qualified raw materials for the subsequent crushing and beneficiation stages.
Pre-screening and uniform feeding before the crusher and impact crusher
Improve the crushing efficiency. Through pre-screening, fine materials are directly bypassed to prevent them from entering the crusher and causing blockage and over-crushing, thereby enhancing the processing capacity of the crusher and the quality of the products.
Fixed and mobile crushing and screening stations
In fixed crushing and screening stations, the Wobbler Feeder can serve as a feeding and screening device to pre-screen materials before they enter the crusher. In mobile crushing stations, their compact structure and flexible installation methods enable them to adapt to different working sites.
How to choose the right Wobbler Feeder for you
Clarify the material characteristics
Such as the type of material, humidity, viscosity, particle size composition, etc. Different material properties require the selection of different types and parameters of Wobbler feeders. For instance, for materials with high humidity and high viscosity, models with larger sieve hole spacing and stronger self-cleaning ability should be selected.
Determine the processing capacity requirements
Select the model with appropriate production capacity based on the production scale. Processing capacity is an important indicator for choosing a Wobbler Feeder. It should be selected based on the actual production needs of the enterprise and in combination with the processing capacity curve of the equipment to ensure that the equipment can meet the production requirements.
Take into account the installation space and on-site conditions
The size of the installation space, the power supply on site and the flatness of the site, among other factors, will all affect the selection and installation of the Wobbler Feeder. When choosing equipment, the on-site conditions should be fully considered, and the appropriate installation method and equipment model should be selected.
Conclusion
Wobbler Feeder can solve the problem of wet and sticky material blockage, improve the crushing efficiency, and achieve continuous and stable feeding and efficient pre-screening, providing high-quality raw materials for the subsequent crushing process, thereby enhancing the efficiency and economic benefits of the entire production process.