Vibrating Conveyors / Vibrating Feeders
Vibrating conveyors enable precise metering and reliable material transport in continuous processes. Our magnetically driven dual-mass vibration systems use controlled vibrations to ensure uniform conveying, making them ideal for applications in the chemical, food, and pharmaceutical industries.
A key feature is the automatic adjustment of the drive frequency to the resonance frequency of the entire system. This eliminates the need for time-consuming tuning, while the conveying capacity increases linearly with the exciter voltage. With low power consumption (max. 1.1 A), our systems offer high efficiency and performance.
Robust and adaptable, our vibratory conveyors ensure reliable, long-lasting performance for a wide range of materials. Our standard portfolio includes dosing units with a conveying capacity ranging from 50 g/h to 3 t/h, covering a wide variety of industrial requirements.
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PHONE: +49 2247 918 90
E-MAIL: kontakt(at)demic-datentechnik.de
Your Contacts
Björn Demmer
Partner - Managing Director
PHONE: 02247 918 90
EMAIL: bdemmer(at)demic-datentechnik.de
Heinz Demmer
Partner - Managing Director
PHONE: 02247 918 90
EMAIL: hdemmer(at)demic-datentechnik.de
Vibrating conveyors for efficient material handling
A vibrating conveyor, also known as a vibrating feeder, is a high-performance conveying system that transports materials in a desired direction using vibrations. This technology is primarily used in the bulk materials industry and enables the continuous, gentle, and energy-efficient transport of a wide variety of materials.
The operation of a vibrating conveyor is based on an oscillating motion generated by electromagnetic or motor-driven actuators. These vibrations cause the material being conveyed to move forward in small jumps along a specially designed trough or pipe system. Unlike traditional conveyor belts or screw conveyors, there is no mechanical friction between the conveyed materials, which minimizes wear and makes this a particularly low-maintenance solution.
Vibrating conveyors are used in numerous industries—including the food, chemical, pharmaceutical, and recycling sectors. Their versatility makes it possible to transport both fine-grained materials such as powders and larger bulk goods safely and in a controlled manner. Depending on the application, there are different designs, such as linear vibratory conveyors for long distances or trough vibratory conveyors for sensitive materials.
Terms such as “vibrating conveyors,” “vibrating trough conveyors,” or “vibrotroughs” are often used as synonyms for “vibrating conveyors.” However, these terms often describe specific designs or applications within vibrating conveyor technology. Despite the different names, the basic conveying technology remains the same: efficient, gentle transport of materials using vibrations.
Advantages of Vibrating Conveyors
Efficient and Gentle Material Conveying
Vibrating conveyors transport materials gently and evenly without generating mechanical pressure or high speeds. This is particularly advantageous for sensitive bulk materials that could be damaged by conventional conveying methods. The uniform vibrating motion minimizes abrasion, breakage, or segregation of the material being conveyed. At the same time, precise control of the vibration frequency ensures that the material is transported at the optimal speed. This allows production processes to be designed more efficiently and reduces scrap rates. In addition, the low friction between the material being conveyed and the surface improves energy efficiency, as less force is required to set the material in motion.
Flexibility Across Various Industrial Sectors
Vibrating conveyors are extremely versatile and are used in a wide variety of industries. In the food industry, they enable the hygienic transport of flour, nuts, or grains, while in the chemical and pharmaceutical industries, they precisely meter powders and granules. They are also used in the recycling and metal sectors to transport bulk materials such as glass, plastics, or metal shavings. Thanks to their modular design, they can be adapted to various conveying routes and integrated into existing production lines. This flexibility enables a customized solution for virtually any material flow requirement—regardless of the type or nature of the material being conveyed.
Low maintenance requirements and long service life
A key advantage of vibrating conveyors is their robust and low-wear design. Since they operate without moving mechanical parts such as rollers, belts, or chains, there is virtually no friction loss or mechanical wear. This significantly reduces maintenance requirements and minimizes production downtime. In addition, most models are made of corrosion-resistant materials such as stainless steel, which further enhances their durability. Another advantage is ease of cleaning: Many vibrating conveyors have smooth, seamless surfaces that prevent buildup and are easy to clean. This makes them particularly attractive for industries with strict hygiene requirements, such as the food and pharmaceutical industries.
Technical Features of Vibrating Conveyors
Different Drive Systems: Electromagnetic or Motor-Driven
Vibrating conveyors use various drive systems, which are selected based on the application and material flow requirements. Electromagnetic drives offer precise control of the vibrating motion and enable accurate metering of the material being conveyed. They are particularly suitable for light and delicate materials, as they produce gentle, uniform movements. Motor-driven systems, often in the form of unbalanced motors or linear vibration motors, are more powerful and are used for heavier or coarse bulk materials. They provide a robust solution for industrial applications with high throughput rates. The choice of the right drive depends on factors such as material type, conveying distance, and desired transport speed.
Materials and Designs for Different Requirements
The design and choice of materials for a vibrating conveyor play a crucial role in its durability and efficiency. Stainless steel is frequently used in the food and pharmaceutical industries because it is corrosion-resistant and easy to clean. In the chemical and recycling industries, coated or high-strength steels are often used to transport abrasive or chemically aggressive materials. Plastic conveyors offer a cost-effective alternative for certain applications where low weight and ease of handling are priorities. The design also varies depending on the application: There are open vibrating chutes, which facilitate easy cleaning, as well as enclosed or tubular conveyors, which enable dust-free processes and protect sensitive materials.
Applications of Vibrating Conveyors
Food Industry
Vibrating conveyors are indispensable in the food industry because they enable hygienic, precise, and gentle handling of sensitive products. They are used, for example, to transport flour, sugar, nuts, or grains without damaging or contaminating the material. Thanks to special stainless steel constructions and food-grade surface coatings, they meet the highest hygiene standards. In addition, vibratory conveyors are easy to clean, which prevents cross-contamination. Their precise control makes them ideal for dosing ingredients in production processes. In packaging lines as well, they ensure a consistent product flow, allowing fill levels to be maintained with precision. This optimizes production and reduces material loss.
Chemical Industry
In the chemical and pharmaceutical industries, vibratory conveyors are essential for the safe and controlled transport of powders, granules, and tablets. They enable precise dosing and prevent segregation or material loss. They are a preferred solution, particularly in areas with strict regulations regarding purity and contamination prevention. Stainless steel construction and antistatic coatings ensure that even sensitive or reactive substances are conveyed safely. In addition, enclosed vibratory conveyor systems are ideal for transporting hazardous or dusty materials, as they create a contamination-free environment. In this way, they contribute significantly to quality assurance and process optimization in production.
Bulk Materials Industry
Vibrating conveyors play a crucial role in the bulk materials and recycling industries, as they offer robust and low-maintenance solutions for transporting bulk materials such as sand, gravel, glass, or metal shavings. They enable continuous material conveyance without the bulk materials compacting or clumping. They are particularly advantageous in the recycling industry, as they support single-material streams and can efficiently separate out unwanted foreign objects. Thanks to their flexible design, they can be easily integrated into existing systems. In addition, they are resistant to abrasive materials and ensure uniform conveying, which makes the entire recycling process more efficient and cost-effective.
Vibrating Conveyors vs. Other Conveyor Systems
| Criterion | Vibrating Conveyor (Vibration Conveyor) | Conveyor belt | Screw conveyor |
|---|---|---|---|
| Operating Principle | Material transport via vibrations | Continuous movement on a belt | Transport via a rotating screw |
| Gentle handling of material | Very high—no pressure, no abrasion | Moderate – depending on the type of conveyor belt | High – particularly well-suited for powdered materials |
| Conveying accuracy | Very high – precise dosing possible | Medium – depends on speed | Very high – ideal for uniform dosing of bulk materials |
| Versatility | Flexible for powders, granules, and sensitive materials | Ideal for packaged and bulk goods | Particularly suitable for fine-grained and free-flowing materials |
| Maintenance | Low—few wear parts | Moderate – depends on belt material | Moderate – regular lubrication and maintenance extend service life |
| Cleaning & Hygiene | Very good – smooth surfaces, easy to clean | Medium – may accumulate dirt and residue | Good – easy to clean with special hygienic designs |
| Conveyor Speed | Medium to high – adjustable frequency | High – continuous motion | Medium to high – depends on screw diameter and rotational speed |
| Energy consumption | Low to medium – efficient drives | Medium – constant motion requires energy | Medium – optimized drives reduce energy consumption |
Maintenance and Care of Vibrating Conveyors
Regular Inspections and Lubrication
Regular inspection of vibrating conveyors is crucial to ensuring a long service life and smooth operation. During these inspections, all mechanical components—especially the vibrating elements and drives—should be checked for wear or potential damage. Loose screws or fine cracks can lead to failures over time, so early detection is important. Lubricating moving parts, where applicable, helps reduce friction and wear. However, many modern vibrating conveyors operate with virtually no maintenance, as they do not require traditional bearings or gear components. Nevertheless, electrical connections and control systems should be checked regularly to ensure consistent conveying performance. In hygiene-sensitive areas, such as the food or pharmaceutical industries, thorough cleaning of the conveying surfaces is also essential to prevent buildup. Preventive maintenance helps minimize unplanned downtime and maintain the long-term efficiency of the entire conveying system.
Typical Wear Parts and Their Replacement
Although vibrating conveyors are known for their robust construction and low maintenance requirements, there are some wear parts that should be inspected regularly and replaced as needed. These primarily include rubber spring elements or leaf springs, which are responsible for the oscillating motion. Due to the continuous vibrations, they are subject to natural material fatigue and must be replaced at defined intervals to ensure optimal conveying performance. Vibrating magnets and drive units should also be checked regularly for proper function, as a decline in magnetic force or motor imbalance can lead to reduced efficiency over extended operating periods. In dusty or abrasive environments, the conveyor surfaces can also wear down due to the flow of material, which is why it is advisable to inspect the wear plates regularly and replace them as needed. Proactive replacement of these components prevents unplanned downtime and ensures consistently trouble-free operation.