Stepper motors - control movements control
If you are looking for professional and reliable stepper motor with control, you are exactly right with Seikom Electronic. We have been selling stepper motors and controls from OJ Electronics from Denmark for years. Benefit from an exquisite selection of stepper motors and controls by stepper motors that meet your highest demands. We cordially invite you to get an overview and to look around with us.
Experience and know-how in stepper motor control
From the beginning, around 30 years ago, we attach great importance to TÜV-tested quality, performance and functionality for all of our devices for the Innovative measurement and control technology. In addition to stepper motors from the OJ Electronics brand, we develop, manufacture and sell flowers and flow guards, temperature sensors, Printing and pressure switch sensors for measuring the air humidity and air quality as well as level measuring devices and Heating, ventilation, climateDevices and much more. Furthermore, we are one of the few providers on the market that is on a Safety Integrity Level range and Explosion protection (ATEX) specialize. This includes, for example, our Flow guard Sil2. Benefit from us from always extensive and individual advice and professional services in which we ensure speed and reliability. With our experience in stepper motors, we are happy to respond to your personal ideas.
What does a stepper motor control bring?
Stepper motors are electric motors that divide their rotary movements into discrete steps. Each step marks a fixed angle of rotation. The control of stepper motors is controlled by passing on electrical pulses to the windings. With each pulse, the engine revolves around a defined angle. Stepper motors are particularly useful in applications where precise positioning and speed control are required.
How does a stepper motor work with control?
Stet motors use magnetic fields that are generated by electricity. The pulse that flows through the motor winding begins to turn the rotor in discrete steps. The main difference between stepper motors and other electric motors is that stepper motors in defined angle intervals or as "steps" are called without an external sensor for the position feedback.
The structure of a stepper motor usually consists of a stator as a fixed part with windings and a rotor as a rotating part. If electrical current flows through one of the stator windings, a magnetic field is generated. This magnetic field attracts the rotor so that it is aligned in a position that corresponds to the magnetic field. The rotor of the stepper motors is gradually turned by targeted creation of electricity in a certain order to the windings.
A key element for the operation of stepper motors is the control or the driver, which determines the order and rate of the electrical pulse that are sent to the motor windings. By precisely controlling this pulse, the engine can be operated with high precision in terms of speed, direction and position. Therefore, stepper motors are particularly useful in applications that require precise positioning, such as CNC machines, 3D printers and robotics.
What types of stepper motors are there?
There are different types of stepper motors that differ in terms of structure and functional principle. You can find out which option of stepper motors is the most suitable for you as part of individual advice from an expert from Seikom Electronic.
Permanent magnetic stepper (pm)
This type of stepper motors uses a permanent magnet as a rotor. The engine turns by changing the magnetic pole of the rotor in relation to the stator. Permanent magnet stepper engines are often used in applications with low to medium performance.
Variable reluctance step motor (VR)
The rotor of this stepper motor with control consists of soft iron and has several teeth. It turns by minimizing the reluctance, i.e. the resistance to the magnetic river. The rotor is positioned so that it is in line with the winding of the stator.
Hybrid step
As the name suggests, these stepper motors combine the properties of permanent magnet and reluctance models. The rotor consists of both a permanent magnet and several teeth. This enables a higher stepping solution and higher torques. Hybrid steps are often used in industrial applications in which high precision is required.
Bipolar stepper motor
This variant of the stepper motors relate in the way the engine is electrically connected and not so much to the mechanical structure. A bipolar stepper motor needs windings with two ends and requires a reversal of the current flow in order to be able to rotate the engine in both directions.
Unipolar stepper motor
A windings with a fund of a funds come into play, which makes switching of the current direction superfluous, and the control simplifies. However, performance is often less than with a comparable bipolar engine.
Each stepper motor type undoubtedly brings its advantages and disadvantages with regard to torque, speed and tax complexity. The choice of the right stepper motor depends on the specific requirements of the respective application at your site.
What are the advantages of stepper motors?
You have already recognized one or the other advantage of stepper motors. Probably the greatest advantages include precise positioning and repeatability. Each electrical pulse corresponds to a fixed rotary movement. This enables the engine to drive precisely and consistently to a certain position. In the event of proper control and under stable operating conditions, this precision is preserved over the lifespan of the stepper motor. Another plus is the open loop control. Stepper motors therefore do not require feedback systems (e.g. encoder) to determine the position or correction. This reduces the complexity of the system and makes operation more efficient in many cases. In addition, at low speeds you deliver a maximum torque, which you even predestine for applications with a strong start -up torque. Compared to servomotors, stepper motors are cheaper and low -maintenance. Since you do not use brushes or contactors, the mechanical wear is reduced considerably.
Thanks to their demanding construction made of robust materials, stepper motors can be used in rough environments without disadvantage. Your construction is stable compared to temperature fluctuations, vibrations and other environmental conditions. Mostly stepper motors for easy integration are created in computer -controlled systems, which enables the movements to be controlled by digital pulse. In addition, you provide important information on the actual performance and issue error messages.
Although stepper motors have a lot of advantages, it is important to note that they reach their limits in certain situations. If there is overload or too high speeds, there may be a loss of movement or decreasing torque. It is therefore crucial to select the right stepper motor for the respective application.
Where are the areas of application of stepper motors with control?
The reliable stepper motors from OJ Electronics are used to efficiently control ventilation systems and rotary heat exchangers. Here the specially developed devices with the highest efficiency and precision impress.
Our selection of stepper motors
With us you benefit from an extensive selection that you in our Product categories find.
and 2 Nm. The power is 260 W, 110 W or 55 W. The operating temperature is between -40 ° C ... 40 ° C while the storage temperature takes place in the range -40 ° C ... 70 ° C. All variants of the drives for rotary heat exchangers have a shaft diameter of 12 mm and a cable length with a connector of 0.3 m.
A special feature of our stepper motors is the DRHX-1055-MAD5 stepper motor. Here the combination of a stepper motor for a high torque with a sensor -free control loop convinces. The result is a more precise and energy -efficient control, since the drive regulates the voltage precisely to the required value according to the operating speed and torque. We would be happy to support you in choosing the right stepper motor and the appropriate control, which our partner OJ Electronics registered for a patent.
In addition, we have an engine anchoring, suitable strap slices and cone locks, extension cables and rotor protection sensors for the stepper motors of the MRHX series and controls of the DRHX series.
If you have any further questions about stepper motors or want to get advice from a specialist from our house, we look forward to your non -binding contact.
