FMI motors—Rozum Robotics’ own R&D products—are synchronous alternating-current frameless actuators featuring superior torque density. The brushless technology employed in the drives enables packing impressive power into a compact footprint, while minimizing friction-induced power losses and ensuring noise- and spark-free operation. With low cogging torque, FMI-series products provide smooth rotation without jerkiness.
Supplied as rotor-and-stator hollow-shaft kits, FMI engines can be encapsulated into any housing of your choice and allow versatile mounting configurations. These are direct drive solutions with no bearing, or shaft, or endbells. Integrating them into an application is almost a plug-and-run operation.
A know-how stator winding enables maintaining consistent torque delivery across the available velocity span. The inrunner configuration and rare-earth magnets contribute to enhanced efficiency. Temperature-sensing elements built into the stator coils prevent overheating.
The entire delivery process—from design to the quality control stage—is under direct supervision of our specialists. Rozum Robotics offers a 1-year warranty and guarantees continuous operation of its FMI engines for 35,000 hours minimum.
Frameless motors offer such advantages as high torque and remarkable power efficiency packed into a small body that is easy to built into robot joints. The engines comprise few wearable components, which results in decreased maintenance scope and costs. Designed mostly as composite rotor and stator kits, the drives support a variety of mounting options to allow versatile robotic configurations.
Direct coupling of a frameless motor to a power train eliminates the need to include more constituent parts, such as bearings or linkages. This means fewer sources of mechanical breakage and faster response and settling times.
Unlike conventional framed drives, frameless motion solutions are designed as stator and rotor kits, which gives more engineering freedom. Low rotor inertia translates into high acceleration rates. Low cogging enables smooth operation. The engines are utilized in different types of industrial machinery—packaging lines, material handling, and other machine tools.
For commercial applications, frameless motors provide a number of valuable cost optimization benefits. Mechanical robustness guarantees long service life, consistent performance over the entire working lifespan, and minimum trouble with maintenance and servicing. Enhanced power consumption efficiency allows to save money on energy costs. In addition, the drives operate quietly causing no noise disturbance. Floor care equipment, cash dispensing machines, air handling system are just a few examples of commercial use.
In medical applications governed by stringent norms, reliability is a cornerstone requirement, at times critical for survival of a patient. A special construction comprising a minimal set of components enables frameless motors to provide unfailing performance over an extensive lifecycle. The engines ensure smooth motion with insignificant vibration and noise levels. Efficient power utilization and compact footprint make them ideal for portable equipment. Examples of medical devices with frameless drives include ventilation systems, surgical tools, infusion pumps, and automated laboratory testing systems.
Frameless motors boast low torque ripple and low cogging torque, resulting in minimized speed disturbance. That’s why the engines are a good match for printing and scanning equipment where velocity ripple is highly unwelcome. Small in size, the engines can be fitted into constricted spaces and allow for various mounting configurations.
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