FDM Series Integrated Centrifugal Drives

Integrated centrifugal design · Worry-free and effortless · High-performance, high-efficiency

One drive replaces two motors. 
Installation steps are cut in half, space requirements are significantly reduced, and operation is more stable. 
Higher self-synchronization accuracy, 80% faster shutdown upon power failure, and significantly extended bearing life.

FDM Series Integrated Centrifugal Drives   — Independently developed by ATBR filling a technological gap in the industry both domestically and internationally.

I. The Five Major Pain Points of Traditional Vibration-Driven Solutions

For linear‑vibration conveying and screening equipment, the industry‑standard solution is to install two vibration motors symmetrically, with their counter‑rotating, synchronized motion generating a linear excitation force. This approach has been widely adopted for many years; however, during installation and operation, five persistent issues continue to challenge both equipment manufacturers and end users:

Pain Point 1: Installation and commissioning are cumbersome and inefficient.

Two motors mean twice the installation effort: eight anchor bolt holes, four housing disassembly and reassembly operations, two junction boxes, and two separate wiring procedures… The entire commissioning process is time‑consuming, prone to errors, and keeps on‑site labor costs stubbornly high.

Pain Point 2: Steering is prone to errors, and equipment is easily damaged.

The two motors must rotate in opposite directions to achieve linear conveying. The conventional commissioning procedure involves removing the enclosure, energizing the system, and verifying the rotation direction. If the wiring is reversed and the motors rotate in the same direction, the equipment will instantly experience a superimposed excitation force; at worst, this can lead to motor burnout or structural damage to the equipment.

Pain point 3: Poor synchronization and unstable vibration.

Due to manufacturing tolerances and operational wear, the actual rotational speeds of two independent motors rarely remain perfectly synchronized. Even a slight speed discrepancy can cause the excitation force to deviate in direction and result in unstable equipment vibration, thereby compromising conveying performance and screening accuracy while accelerating fatigue‑related damage.

Pain point 4: Installation on both sides, resulting in significant space consumption.

When vibration motors are mounted on both sides of the trough, the overall equipment width exceeds that of the trough itself, which can represent a significant “space penalty” on production lines where space is at a premium.

Pain point 5: Vertical installation leads to bearing overload and reduced service life.

When the motor is mounted vertically, the lower-end bearing not only bears the excitation force from the eccentric mass but also supports the entire weight of the motor. Prolonged operation under heavy loads accelerates bearing fatigue, making it one of the primary causes of bearing failure in the industry.

II. FDM Integrated Centrifugal Drive: A Revolutionary Breakthrough That Upends Conventional Designs

Developed independently over many years by AtPuRui,   FDM Series Integrated Centrifugal Drives , starting from the underlying drive architecture, it completely breaks the industry convention of “symmetrically mounting two motors”—by using A drive system , enabling the linear excitation function that previously required two motors to achieve.

Core Structure: A Triad, Exquisitely Coupled

The FDM drive consists of three core components:

Through Principles of Nonlinear Resonance and Dynamical Coupling Synchronization , a drive system simultaneously powers two sets of eccentric masses; the parallel components cancel out, while the perpendicular components add up, precisely generating a linear excitation force— Self-synchronization, without relying on the “coincidental coordination” of two motors. 。

The FDM drive has filled critical technological gaps both domestically and internationally, as well as within the industry, establishing robust technical barriers and providing strong legal safeguards for future commercial applications.

III. Eleven Core Advantages

① Installation efficiency improved by 50%, with comprehensive process simplification.

Integrated design means that the on-site installation workload is cut in half:

Reduced installation and commissioning complexity  50% , significantly reducing labor costs and downtime

② Excellent self-synchronization performance, with stable and reliable operation.

In conventional designs, the synchronization of two motors relies on “luck”—manufacturing tolerances and uneven wear can both compromise synchronicity. FDM’s transmission architecture, from a physical standpoint… Force the two sets of eccentric blocks to synchronize. , completely eliminating speed differentials, ensuring smoother operation and greater reliability in conveying performance and screening accuracy.

③ Horizontal installation significantly reduces space requirements.

FDM employs a compact horizontal layout, with overall installation dimensions that do not exceed the outer envelope of the trough. In contrast, when two motors are mounted on either side, Significantly saves installation space , suitable for production lines and cleanrooms with limited space.

④ Horizontal installation, resulting in higher drive efficiency.

The driving force is concentrated and output in a single direction, eliminating lateral sway and energy dissipation, thereby significantly improving energy efficiency and reducing power consumption for the same excitation force.

⑤ Uniform load design, completely relieving the bearing.

Under a horizontal layout, the dual bearings experience perfectly uniform loading; they neither bear additional axial loads from the motor’s own weight nor are subjected to eccentric forces, resulting in smoother operation and a significant extension of bearing life.

⑥ Power-off shutdown is 80% faster, eliminating machine‑stop vibration.

FDM’s downtime after a power outage is shorter than that of comparable products.  80% Moreover, the shutdown process does not induce lateral oscillations—this is of great significance for applications that demand high stability during shutdown, such as precision screening and quantitative feeding.

⑦ Single-drive, highly efficient and energy-saving, eliminating internal structural losses.

By eliminating one independent drive source and adopting a horizontal installation to reduce internal mechanical losses, the overall energy consumption is lower, resulting in significant long-term savings on electricity costs.

⑧ Imported custom bearings, reliable quality.

The bearing adopts   NSK brand high-efficiency sealed bearings , Custom-designed for vibratory conveying conditions, with a specialized bearing grease and clearance formulation, capable of withstanding high-torque impacts and operating over a wide temperature range.   -40℃ ~ +160℃ , ensuring high reliability and long service life of the equipment under extreme operating conditions.

⑨ German technology empowers, with a core drive source of exceptional quality.

The core motor drive system was co-developed with a renowned, century-old German company. Specialized winding analysis and design were conducted to address the operating conditions of the vibration industry, ensuring product quality and service life at the level of the core drive source.

⑩ Fully automated stator production ensures zero performance variation.

The drive stator is manufactured using fully automated, imported winding and wire‑laying equipment. 100% online inspection , ensuring consistent and stable performance for every product by eliminating human‑induced variability through precision‑engineered equipment.

⑪ UV varnish coating process, providing dual protection for insulation and heat dissipation.

The drive stator employs internationally advanced   UV varnishing process It forms a dense protective layer inside the stator, significantly enhancing insulation performance and heat dissipation efficiency, thereby effectively extending the service life of the core drive source.

IV. Product Line and Specification Parameters

FDM Series Product Naming Conventions

 FDM - 15 - 32
 │ │ └── Excitation force level (22 = 4 kN / 32 = 6 kN / 42 = 8 kN / 52 = 10 kN)
 │ └──── Synchronous speed (15 = 1500 rpm / 10 = 1000 rpm)
 └───────── Integrated centrifugal drive series 

1500 rpm (4-pole) series

1000 rpm (6-pole) series

Excitation force range : 4 ~ 10 kN (larger specifications available upon request) 
Synchronous speed : 1000 rpm / 1500 rpm 
Installation method : Horizontal installation (single unit) 
Protection rating : IP65 (standard configuration)

Five, Four “Provinces,” Four “Highs” — A Summary of Core Values

The Core Values of the “Four Provinces”

Four “High” Outstanding Performance

VI. Applicable Devices and Use Cases

The FDM series integrated centrifugal drives are suitable for the following vibration equipment:

• Linear Vibrating Feeder (Replaces two vibration motors, making installation simpler)
• Linear vibrating screen (More uniform excitation force, higher screening accuracy)
• Vibratory conveyor trough (Horizontal installation does not extend beyond the trough, saving space along the cable tray.)
• Trough conveyor (Compact design is particularly well-suited for applications with limited space.)

Applicable Industries : Vibratory conveying and screening applications in industries such as mining, building materials, chemicals, food, pharmaceuticals, lithium batteries, photovoltaics, tobacco, and environmental protection.