Executive mechanism: types, principle of operation, application

Actuators are used in the industry to drive devices. Modifications are presented on the market, which differ in terms of working voltage and frequency. The circuit of the actuator consists of a coil, as well as an adapter.

Expanders are mainly used three-pole type. The conductivity of the models is 300 μm maximum. The maximum overload indicator at this starts from 40 A. Buy a modification for the drive device user is able to price from 30 thousand rubles.

Principle of operation of the device

The principle of operation of the mechanism is based on changing the frequency. First of all, the voltage is applied to the coil. At this stage, the current is converted. At the same time, the frequency fluctuates around 35 Hz. The adapter serves as an excellent conductor. The output shaft is driven via the motor. For its stabilization an expander is used. The capacitor corresponds to the harmonic oscillations . Direct connection of devices is carried out through contactors.

Application of devices

The actuators can be used on drive units of different capacities. As a rule, they are installed on conveyors. Also, models are actively used in ventilation systems. To adjust the valves they are irreplaceable. Also modern modifications can be found on cranes. Some devices may be installed on the plunger mechanisms.

What types are there?

By design, membrane, pneumatic and hydraulic devices are isolated. Also, the modification is divided by frequency. Models up to 40 Hz are most suitable for low power drive devices. Their conductivity index is on average 120 μm. Also there are models with a frequency of over 40 Hz. Their conductivity index is at the level of 150 microns. For powerful drive devices, this type of mechanism is very good.

The membrane device

Membrane regulatory organs are produced at different frequencies. For ventilation systems, they fit perfectly. It is also worth noting that the conductivity index starts at 20 microns. Many modifications are made with two adapters. They have contactors in three phases. Expanders are often used bipolar type.

If we consider low-frequency devices, then they lack a rheostat. In this case, the shaft is not able to boast of increased frequency. For the control of pumps, the models are suitable. Details of pipelines can be selected even with compressors. On the market, a quality membrane mechanism the user is able to purchase for 28 thousand rubles.

Pneumatic device

Pneumatic devices in industry are infrequent. Their frequency, as a rule, does not exceed 100 Hz. The rheostats for the models are of the contact type. Some devices are well suited for plunger modifications. Their motors are used for 3 and 5 kW. The smoothness of the stroke in this case is provided by the expanders. The coils are most often used of low-voltage type, and the overload indicator is at the level of 40 A.

Hydraulic modifications

Hydraulic devices are well suited for adjusting valves. If you believe the opinion of experts, then there are many modifications in the market on contact rheostats. The main disadvantage is the reduced frequency. In this case, the contactors are used only in two phases. Some modifications are made with blockers. Expanders under them are selected bipolar type. The conductivity parameter reaches a maximum of 130 microns. For powerful drive devices, these modifications do not fit well. You can buy a good executive device in the store for 33 thousand rubles.

Device series PR-1M

This executive device does a good job of controlling the drives. The coil is capable of withstanding large overloads. It is also worth noting that the modification is equipped with a three-pole expander. The rheostat is available with a sensor.

Separate attention in the PR-1M deserves a blocker. The failure parameter for the model is only 0.2%. The output shaft starts very smoothly, and its wear is extremely low. The expander at the modification is installed behind the contactor. To adjust the pumps the model is suitable. Details of pipelines may be selected with compressors. The price of this mechanism fluctuates around 40 thousand rubles.

Features of the modification of the PR-2

This mechanism is often used in ventilation systems. The input shaft is of small diameter. It is also worth noting that the modification is characterized by a high-quality rheostat, which is capable of maintaining a frequency of 55 Hz. The motor of the model is applied to 5 kW. The expander in this case is of the three-pole type, and the protection is applied to it by the KK50 series. In total, the model has three contactors.

For low-power drive systems, the modification is not bad. The coil is applied at 40 watts. The modulator is not standard. The closure value is within 33%. The modifier is used with an adapter. To acquire the mechanism of the presented series, the user is able to at a price of 30 thousand rubles.

Parameters of model ПР-5

This is an inexpensive and high-quality mechanism. For drives of low power it fits perfectly. The percentage of overload is extremely low. The conduction parameter in the device is maintained at 120 microns. At the same time, the frequency fluctuates around 44 Hz. Many experts say that the coil is not afraid of large overloads. However, the expander burns quite often. The lock is not included in the standard equipment. The motor for the model is selected with a power of 4 kW. The switch is of the end type, and it works very smoothly. The price for this mechanism starts from 44 thousand rubles.

Device of the IM-41 series

The presented mechanism is classified as a pneumatic device. In the production, modification occurs in plunger devices. If you believe the experts, the coil is of the low-voltage type, and the overload indicator fluctuates around 40 A.

Still it is worth noting that the modification uses a blocker that works without failures and is equipped with a protection system of the KK30 class. The valve with the electric drive is fixed on the contactors. The motor for the device is matched for 3 kW. Anchor in this case is absent. The failure rate is in the region of 0.4%. Some experts say that the modification quickly overheats. However, it is important to note that the operating temperature of the mechanism is at most 45 degrees. The output shaft is applied 3.2 cm.

In total, the model has three contactors, which are installed behind the output shaft. The modulator does not have this mechanism. For ventilation systems, the device does not fit well. The closing ratio on the average is 34%. Buy this mechanism the user is able to at a price of at least 40 thousand rubles.

Features of modification IM-44

This mechanism is specially designed for ventilation systems. If you believe the experts' opinions, then conductivity is provided at 55 microns. Also worth noting that the model is sold with only one modulator. In total, it has two contactors. They are installed as standard, behind the shaft. Control of the actuators is carried out through a rheostat wire type. For powerful drive mechanisms, the device is suitable.

Smooth running is provided by the expander. In this case, it is of the bipolar type. The switch for this modification is of the end type. The percentage of failures in the model is extremely low. It is also important to note that the model is often installed on plunger mechanisms. Buy this device the user is capable of at a price of 45 thousand rubles.

Parameters of model IM-48

This membrane actuator is produced with a dipole modulator. If you believe the opinion of experts, then for drive devices of low power the model fits perfectly. The central unit is installed with two adapters. Still it should be noted that the model has one coil of 40 watts. Protection applies class KK40. The motor is used for 4 kW. The output shaft in this case is available at 35 centimeters.

The expander is a standard two-pole type. The closure value does not exceed 0.5%. It should also be noted that the conductivity of the mechanism is quite high. The switch in this case is of the end type. If you believe the experts, the output shaft is very smoothly gaining momentum. However, the zener diode is not provided for by the manufacturer. Buy a device of this series, the user is able to price from 38 thousand rubles.

Device series BP-20

This actuator is produced for low power drive devices. The coil at the modification is rated at 40 watts. The protection system is applied by the KK40 series. According to experts' opinion, the conductivity is maintained at around 140 microns. There is no contact blocking device in this case. The modification is suitable for adjusting the plunger.

The output shaft is applied at 3.4 cm. The corrector in this case is used in class PK50. The threshold resistance of the device is 55 ohms. The expander is a three-pole type. For the gate valves, the model fits well. The working temperature of the mechanism is a maximum of 45 degrees. The modulator is of the dipole type. Buy this device user can for 33 thousand rubles.

Features of the modification of BP-22

This actuator refers to pneumatic devices. The modulator is of the resistive type. It is also worth noting that the adapter uses only one. Softness of the shaft is provided by a qualitative expander. Anchor in this case is a wired type. The rheostat is not standard.

The motor of the model is available for 3 kW. The operating frequency of the device is only 58 Hz. The corrector of the model is of the class PE55. In total, the modification has three contactors. Separate attention deserves a high parameter of operating temperature, which is at around 55 degrees. Acquire the executive mechanism of the presented series user can for 38 thousand rubles.

Parameters of the model MEO-23

This automatic control system is allocated with a high output resistance. For drive modifications the device is not bad. The coil of the model is rated at 14 watts. Protection applies class KK40. It is also worth noting that the rheostat is of the wired type. The smoothness of the stroke in this case is provided by the expander. If you believe the experts, malfunctions in the motor are rare. The lock is not available for the model.

The pressure decrease is 55%. The sensor in this case is not provided by the manufacturer. For the cranes, the modification fits perfectly. The motor is standard on 4 kW. The operating frequency of the mechanism is maintained at 55 Hz. The switch in the device is of the end type. This automatic control system costs about 35 thousand rubles.

Device series MEO-250

This MEO actuator is produced with one input shaft. If you believe the experts' feedback, the contact blocker of the modification is of high quality. Also worth noting that the model is equipped with a wire adapter. The protection system is used in class KK44. At the same time, the maximum closure is 43%.

The modulator in MEO-250 has a dipole type. The valve with the electric drive is fixed on contactors. With overloads of 40 A, the modification copes without problems. The switch for the model is of the end type. Buy the executive mechanism of the IEA user can at a price of at least 33 thousand rubles.

Features of the modification of MEO-260

This electric single-turn actuator is often used on cranes. For drive devices, the modification is also suitable. The rheostat of the model is wired. The motor is used for 4 kW, and the protection system is of class KK40. According to the experts' feedback, problems with the sensor are rare. The smoothness of the output shaft is ensured by a single-pole expander.

The threshold resistance of the system is at the level of 33 ohms. The pointer block is available for modification. It is also worth noting that the mechanism is often used in ventilation systems. The operating temperature of the device is not less than 40 degrees. To buy the executive mechanism of this series is possible at a price of 46 thousand rubles.