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About Us

Tianjin North Star Technology Co., Ltd. is a professional equipment manufacturer dedicated to the magnetic separation industry. Relying on the international leading magnetic separation and vibration conveying technology, it aims at designing and manufacturing high-performance equipment to provide the industry with high-performance and high-quality designed magnetic sorting, magnetic automation and vibration conveying equipment. With rich application experience in professional and technical fields, we can solve the problems encountered in product processing, purification and quality review for enterprises.

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Light Industry Electromagnetic Vibratory Feeders

Light Industry Electromagnetic Vibratory Feeders

Light industry electromagnetic vibrating feeders can feed various powder or bulk material from storage hoppers or silos to various device. They provide simple and efficient solutions for complex material handling operations. Adjusting the feeding speed by adjusting the voltage make the feeder stable, uniform and easy control.

Light industry electromagnetic vibrating feeder, consisting of a dynamically balanced, two-mass vibrating system, assembly is an electromagnetic unit. This system consists of a trough and trough connecting bracket coupled to an electromagnetic drive by means of leaf springs, offering excellent durability and reliability. Electromagnetic vibrating feeder are subresonantly tuned to maintain stroke consistency and speed stability, thus delivering higher capacities at controlled feed rates.

Design principle

The principle of electromagnetic vibrating feeder is based on a dual tuning system. The elastic components contained in system are composed of flexible shrapnels. The number of shrapnels determines the resonance amplitude as running. After being excited by rectifier circuit, the magnet core attracts the moving magnetic armature fixed on the tray mutually. After the coil de-energized and the core's magnetism disappear, the kinetic energy accumulated on shrapnels returns the system to original situation.

Characteristics and advantages

  • Robust design, tunability, and the capability to work consistently under varying headloads
  • No mechanical parts to wear out or require lubrication, downtime and maintenance are extremely rare even under rigorous environment
  • Feeding speed is linearly adjustable with controller
  • High-precision feeding by electromagnetic drive
  • Quick start and stop

Optional configuration

  • Various vibrator models can adapt different processing requirements
  • Size and shape of the tray can be customized, multiple selection of tray materials
  • Multi-drive tandem or parallel structure can be available
  • Wear-resistant liners, wear-resistant coatings are available according to working conditions


Suitable for measuring bulk materials in feeding, mixing and packaging operations.

Material handling

Food, chemical, pharmaceutical, glass, ceramic, iron and steel, recycling, mining, silicon sands, aggregates, etc.