Sauter-Cumulus motor Germany Sauter-Cumulus model Sauter-Cumulus price

Sauter-Cumulus motor refers to a motor that can operate on both DC and AC power supplies. This type of electric motor is widely used in household appliances, manual devices, computing tools, and precision machinery. In addition, this type of motor is frequently used in medical devices, communication technology, measurement technology, the film industry, and many other areas.

Sauter-Cumulus motor power supply variable frequency

Motor power supply: AC motors generally adopt a three-phase system, because three-phase AC motors, compared to single-phase motors, have clear advantages in terms of performance indicators, raw material utilization, and price. Three-phase motors of the same power rating are smaller in volume, lighter in weight, and lower in price than single-phase motors. Three-phase motors have self-starting capability. Single-phase motors lack starting torque; to solve the starting problem, special measures must be taken. The torque of a single-phase motor is pulsating, and the noise is relatively high, but the required power supply is simpler, making it very convenient for home use. Therefore, small household motors and instrument motors mostly adopt single-phase motors. A variable frequency drive (VFD) is a power transmission component for controlling AC motors by applying variable frequency technology and microelectronics to change the frequency and amplitude of the motor's working power supply. Characteristics of AC motor speed control VFDs: ■ Low-frequency torque output 180% , good low-frequency operating characteristics, maximum output frequency 600Hz, capable of controlling high-speed motors, comprehensive detection and protection functions (overvoltage, undervoltage, overload), restart after instantaneous power failure, protection functions such as acceleration, deceleration, and stall prevention during operation, automatic identification of motor dynamic parameters to ensure system stability and accuracy, fast response during high-speed stopping, rich and flexible input/output interfaces and control methods, strong universality.

Sauter-Cumulus motor structure

This motor component consists of an internal gear ring and a matching gear or rotor. The internal gear ring is fixed to the housing. Oil entering from the oil port pushes the rotor to revolve around a center point. This slowly rotating rotor drives the output via a splined shaft, forming a cycloidal hydraulic motor. After the introduction of this initial cycloidal motor, decades of evolution led to the formation of another concept of motor. This motor installs rollers within the built-in gear ring. Motors with rollers can provide higher starting and running torque; the rollers reduce friction, thereby improving efficiency, and the output shaft can produce stable output even at very low speeds. Changing the direction of input and output flow allows the motor to reverse quickly and produce equivalent torque in both directions. Each series of motors offers various displacement options to meet different speed and torque requirements.

Sauter-Cumulus motor structure

The motor consists of stator magnetic poles, a rotor, brushes, a housing, and other components. The stator magnetic poles use permanent magnets (permanent steel), including materials such as ferrite, AlNiCo, and NdFeB. Depending on the structural form, they can be classified into cylindrical and tile types, among others. The rotor is generally made of laminated silicon steel sheets, with enameled wire wound between two slots of the rotor core (three slots mean three windings), and each connection is soldered to the metal segments of the commutator. Brushes are conductive components connecting the power supply to the rotor windings, possessing both conductivity and wear resistance. Brushes for permanent magnet motors use single-metal strips, metal graphite brushes, or electrographite brushes. 2. Brushless DC motor: Composed of a permanent magnet rotor, multi-pole winding stator, position sensors, etc. The characteristic of a brushless DC motor is the absence of brushes; it uses semiconductor switching devices (such as Hall elements) to achieve electronic commutation, replacing traditional contact commutators and brushes with electronic switching devices. It has advantages such as high reliability, no commutation sparks, and low mechanical noise. Position sensors commutate the current in the stator windings in a certain order according to changes in rotor position (i.e., detecting the position of the rotor magnetic poles relative to the stator windings, generating position sensor signals at determined positions, which are processed by signal conversion circuits to control the power switch circuit and switch winding currents according to a certain logical relationship). There are three types of position sensors: magnetic, photoelectric, and electromagnetic. For brushless DC motors using magnetic position sensors, magnetic sensing devices (such as Hall elements, magnetic diodes, magnetic transistors, magnetic resistors, or specialized integrated circuits) are mounted on the stator assembly to detect changes in the magnetic field generated by the rotation of the permanent magnet rotor. Hall elements are commonly used in electric vehicles. For brushless DC motors using photoelectric position sensors, photoelectric sensing devices are configured at specific positions on the stator assembly, and a light-blocking plate is installed on the rotor, with the light source being an LED or a small bulb. As the rotor rotates, the light-blocking plate causes the photosensitive components on the stator to intermittently generate pulse signals at a certain frequency. For brushless DC motors using electromagnetic position sensors, electromagnetic sensor components (such as coupling transformers, proximity switches, LC resonant circuits, etc.) are installed on the stator assembly. When the position of the permanent magnet rotor changes, the electromagnetic effect causes the electromagnetic sensor to generate a high-frequency modulated signal (whose amplitude varies with the rotor position). The operating voltage of the stator windings is provided by an electronic switch circuit controlled by the output of the position sensor.

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