SMD Series
MD series electric actuator in the design of the international popular combination structure, products and parts in the generalization, standardization, serialization of careful consideration, so that the user in the use and maintenance process required by the number of spare parts greatly reduced, reduce the maintenance and operation costs.
- Commodity name： SMD Series
Technical characteristics of MD series products
MD series electric actuator in the design of the international popular combination structure, products and parts in the generalization, standardization, serialization of careful consideration, so that the user in the use and maintenance process required by the number of spare parts greatly reduced, reduce the maintenance and operation costs.
The motor adopts single-phase or three-phase special motor with high torque and low inertia. All motors are equipped with overheat protection relay. The output end of the motor rotor is directly equipped with shaft gear, and the response time is short.
The mechanical reducer adopts planetary gear reduction and worm gear transmission structure, which has high mechanical efficiency, mechanical self-locking characteristics and high reliability. At the same time, the use of long-term lithium-based grease can ensure that the actuator does not need to be replaced and maintained during an overhaul period, and can be installed and used at any angle.
MD series electric actuator electrical appliances using advanced integrated circuit devices, the power drive part of the no mechanical contact of the solid state relay, long service life, no daily maintenance, the number of actions per hour up to 1200 times, especially suitable for high automation rate, frequent action places.
MD series basic features:With adjustment function, simple and reliable
1. Motor overheating protection
2. Signal loss protection
3. Over-torque protection
4. Mechanical limit protection
5. Electrical limit protection
6. Phase loss and phase error protection
7. Enclosure protection IP65
8. On-site handwheel operation
9. Standard current signal control
10. Passive contact control
11. Portable limit adjustment
12. Electronic integration structure
Simple and portable limit adjustment
Compact single board amplifier
MD Series Product Classification
(1) Angle stroke electric actuator: output torque 100Nm -- 50000Nm
(2) Direct stroke electric actuator: output thrust 6.4KN-150KN
(3) Multi-transformation electric actuator: output torque 40Nm -- 4000Nm
Basic technical indicators of MD series products
(1) input control signal: a) analog signal 4-20mA,B) passive contact control
(2) Input channel resistance: 250 ohms
(3) feedback signal: A) 4-20mA;B) passive contact signal at fully open and fully closed positions
(4) Sensitivity: 1% ~ 3%
(5) damping characteristics: 0 oscillation
(6) Basic error: 1% ~ 2.5
(7) Enclosure protection grade: IP65
(8) Motor insulation class: B(F)
(9) Power supply voltage: AC 220V ± 10% ~ 15%; AC 380V ± 10%
(10) working system: 100 per cent starts> 1200 times per hour
(11) Ambient temperature on site:-20~70 ℃
(12) Ambient humidity on site: ≤ 95% without condensation
(13) Insulation resistance: ≥ 20MΩ between input terminal and chassis
Between power terminal and chassis ≥ 50MΩ
Between input terminal and power supply terminal ≥ 50MΩ
(14) Insulation strength: 500V between input terminal and chassis
500V between input terminal and power terminal
Between power supply terminal and casing 220V power supply 1500V
380V power supply 2000V
(15) Drift: 48 hours drift is not more than 1.0% of the rated stroke
The above indicators conform to the data specification in JB/T8219-1999 "Electric Actuators for Industrial Process Measurement and Control"
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E-mail:baoheng@263.net
Address: No.2, Haitai Development Road 1, Huayuan Industrial Zone, Tianjin (Huanwai]