China supplier 0.30 Ml/Rev DC 24V Motor Tungsten Steel with Titanium Nitride Coating Micro Magnetic Drive Gear Pump M0.30t57bl120W vacuum pump ac system

Product Description

Product Instruction:

The brushless DC motor is used as the power driving gear pump. The brushless motor driver is configured to realize the motor function control. It has the functions of speed measurement, speed adjustment, CHINAMFG and reverse rotation. It can be connected with the upper computer to realize intelligent control. It is especially suitable for the workplace with frequent start and stop, such as liquid filling. Step motor or servo motor can be selected as driving power.

The gear of the gear pump is made of tungsten steel, and the surface of the pump body is hardened by tin coating, so that the pump can provide excellent pumping performance and longer service life in the application of CHINAMFG liquid (such as pigment paint and pigment ink).



1.400 Mesh filter shall be installed at the inlet of gear pump.  
2.Before using, squeeze in a small amount of medium to lubricate the gear from the gear pump inlet.


Product Model Selection Instruction:

Pump Head Motor
M 0.07 S 57 BL 120W
“M” means by magnetic drive Pump revolution, Unit: ml/rev, note 1 for details Pump body materials, note 2 details Pump head spec, Unit: mm, note 3 Motor Type, Note 4 Motor Power


1. Pump output volume: 0.07,0.15,0.3,0.6,0.9,1.5,3.0,6.,12.0 (Unit: ml/rev)
2.”S” means pump body material is 316L, gear and shaft sleeve are PEEK, seal with PTFE, the rest others are 316L.
   “T” means pump body material is 316L, gear and shaft are Tungsten steel, shaft sleeve is PEEK, seal with PTFE, the rest others are 316L.
  “P” means pump body material is PPS, gear materail and shaft sleeve are PEEK, seal with FFKM, the rest others are Hastelloy.
  “H” means the pump body materials is Hastelloy, the gear and shaft sleeve is PEEK, the seal materials is PTFE, the rest of the pump flow material is Hastelloy, the appearance and size is same as 316L pump, details product parameters refer to 316L pump head.
3. Pump head range: 57, 72, 88. Model 57 has 0.07,0.15,0.3,0.6,0.9,1.5 ml/rev;Model 72 has 1.5,3.0 ml/rev;Model 88 has 3.0,6.0,12.0 ml/rev.
4.Motor:HS: Stepper Motor; BL: External drive DC brushless; BLa:Built-in drive  DC  brushless;  BLb:Built-in drive DC brushless (potentiometer)DC:Brush motor; Y:Common asynchronous motor; YB:Explosion proof asynchronous motor; SM:Servo motor YP: General asynchronous frequency conversion YBP: Explosion proof asynchronous frequency conversion, SMP: Servo frequency conversion.

Product Model : M0.30T57BL120W

Product Diagram:



Product Parameters:

Pump Model MotorType L1(mm) L2(mm) Pressure(bar) Weight(kg) Rated Current(A) Imp.&Exp. Size Flow Range
M0.15T57 BL120W 167.1 32.8 6 1.54 6.7 G1/8 2.7~40.5
M0.30T57 167.1 32.8 1.54 5.4~81
M0.60T57 171.2 36.9 1.55 10.8~162

Pump head parameter Motor parameter Motor wiring
Continuous work pressure 0.6MPa Rated voltage 24V Red +24V Yellow (Thick) R(U) Phase
Fluid Viscosity 0.2-1500cps Rev. range 500-4500rpm Black 0 Green (Thick) S(V) Phase
Ambient Temperature -40ºC-110ºC(If the temperature of the conveying medium is over 70 °C, please make a special request.) Slot and Pole No. 6 Slot & 4 Pole   Yellow(Thin ) HALL A(U) Blue (Thick) T(W) Phase
Static sealing PTFE  Hall mechanical angle 60° Green
(Thin )
HALL B(V)    
Pump Body material SS with Titanium nitride coating Working System Continuous or intermittent operation (can be started frequently) Blue(Thin ) HALL C(W)    
Gear Material Gear and gear shaft are made of tungsten steel        

The values in this table are for reference only.

OEM service are avaiable according to your request.
The specifications are only for reference, for details checking, please feel free to contact us.

Pump head structure diagram:

1. Inner-hexagon screw*3      5.  Pump body               9.  Rear cover       13.  Countersunk head screw*3
2. Front cover                      6.  Tef/lon gasket*2        10.  O-ring              14.  Isolation cover
3. Shaft sleeve*6                 7.  Driving gear              11.  Platen 
4. Pin*2                              8.  Driven gear              12.  Internal magnetic steel

Product characteristic diagram:

Product Characteristics:
No pulse, high precision.
the external gear design makes the pump flow relatively unaffected by the system pressure,and the flow output has no pulsation, which can accurately measure the flow, and has strong repeatability.
Stable transmission.
Gear transmission can ensure constant instantaneous transmission ratio.
Zero leakage.
no packing seal or mechanical seal, no wearing parts, using magnetic drive, static seal,truly achieve zero leakage.
Corrosion resistance.
304 / 316L, Hastelloy and engineering plastics can be selected as pump body materials,which can be used in most chemical media.
Efficient and convenient, long service life.
adopt the way of motor direct drive, reduce the vulnerable parts. High efficiency and energy saving, simple maintenance, low installation cost, long service life.
suitable for high differential pressure, high system pressure and wide range of medium viscosity.
long service life.
The magnetic drive design of the non dynamic seal makes the shaft end no longer need the dynamic seal, which ensures the leakage free operation of the pump. The CHINAMFG and stable shaft support can ensure the accurate meshing of the gear when the pump is running at high speed, ensure the smooth operation of the pump, the high accuracy of metering and the long service life of the pump.
Diversified drive mode.
magnetic drive gear metering pump can be directly connected with DC brushless motor,2-pole and 4-pole AC motor without reducer. The flow control of the pump can be realized by the controller of AC, DC, brushless DC and other motors. We can provide a variety of standard driving methods to meet the needs of customers.
A wide range of applications.
magnetic drive gear pump in the design, manufacture and application of a large number of use of magnetic drive, pump and motor technology. It has the advantages of no pulsation, long life and no leakage. These advantages make our products widely used in chemical, medical, laboratory, water treatment, food and other industries.

Applicable conditions:
All kinds of liquids, high precision fluid transportation, high repeatability, continuous small flow without pulsation.

It is used in aviation equipment, aircraft, spacecraft, chemical laboratory, chemical reagent adding, film manufacturing, pharmaceutical machine equipment, various lasers, micro cooling device of sighting instrument,tobacco flavoring adding, inkjet printing machine manufacturing, inkjet printer manufacturing, high-performance color printing machine and other industries.


Industrial machinery and equipment Water treatment Food and cosmetics
Inkjet printing/painting Mask making Food and Beverage filling
Oil transportation Booster pressure Filling of perfume cosmetics
Sand mill/Grinding Circulating cooling  Quantitative Transport

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Mesh Form: External Engaged
Tooth Flank: Skew Tooth
Tooth Curve: Involute
Power: Electromagnetism
Type: Micro Gear Pump
Applications: Inkjet Printer/Auto Filling/Sand Mill/Grinding


dc motor

What are the key differences between brushed and brushless DC motors?

Brushed and brushless DC motors are two distinct types of motors that differ in their construction, operation, and performance characteristics. Here’s a detailed explanation of the key differences between brushed and brushless DC motors:

1. Construction:

Brushed DC Motors: Brushed DC motors have a relatively simple construction. They consist of a rotor with armature windings and a commutator, and a stator with permanent magnets or electromagnets. The commutator and brushes make physical contact to provide electrical connections to the armature windings.

Brushless DC Motors: Brushless DC motors have a more complex construction. They typically consist of a stationary stator with permanent magnets or electromagnets and a rotor with multiple coils or windings. The rotor does not have a commutator or brushes.

2. Commutation:

Brushed DC Motors: In brushed DC motors, the commutator and brushes are responsible for the commutation process. The brushes make contact with different segments of the commutator, reversing the direction of the current through the armature windings as the rotor rotates. This switching of the current direction generates the necessary torque for motor rotation.

Brushless DC Motors: Brushless DC motors use electronic commutation instead of mechanical commutation. The commutation process is managed by an external electronic controller or driver. The controller determines the timing and sequence of energizing the stator windings based on the rotor position, allowing for precise control of motor operation.

3. Efficiency:

Brushed DC Motors: Brushed DC motors tend to have lower efficiency compared to brushless DC motors. This is primarily due to the energy losses associated with the brushes and commutation process. The friction and wear between the brushes and commutator result in additional power dissipation and reduce overall motor efficiency.

Brushless DC Motors: Brushless DC motors are known for their higher efficiency. Since they eliminate the use of brushes and commutators, there are fewer energy losses and lower frictional losses. The electronic commutation system allows for precise control of the motor’s operation, maximizing efficiency and reducing power consumption.

4. Maintenance:

Brushed DC Motors: Brushed DC motors require regular maintenance due to the wear and tear of the brushes and commutator. The brushes need periodic replacement, and the commutator requires cleaning to maintain proper electrical contact. The maintenance requirements contribute to additional costs and downtime for brushed DC motors.

Brushless DC Motors: Brushless DC motors have a relatively maintenance-free operation. As they do not have brushes or commutators, there is no need for brush replacement or commutator cleaning. This results in reduced maintenance costs and increased reliability of brushless DC motors.

5. Speed Control:

Brushed DC Motors: Brushed DC motors offer simpler speed control options. The speed can be controlled by adjusting the applied voltage or by varying the resistance in the armature circuit. This allows for relatively straightforward speed regulation.

Brushless DC Motors: Brushless DC motors provide more advanced and precise speed control capabilities. The speed can be controlled through the electronic commutation system by adjusting the timing and sequence of the stator windings’ energization. This allows for precise control of the motor’s speed and acceleration.

These key differences between brushed and brushless DC motors make each type suitable for different applications depending on factors such as efficiency requirements, maintenance considerations, and control complexity.

dc motor

What role does commutation play in the operation of a DC motor?

In the operation of a DC (Direct Current) motor, commutation plays a crucial role in ensuring the continuous rotation of the motor and the conversion of electrical energy into mechanical motion. It is the process by which the direction of the current in the armature winding is periodically reversed to maintain a constant torque and facilitate the rotation of the motor. Here’s a detailed explanation of the role of commutation in the operation of a DC motor:

Commutation is necessary in a DC motor because the magnetic field generated by the armature winding needs to be constantly aligned with the stator’s magnetic field for efficient torque production. The stator of a DC motor typically consists of permanent magnets or electromagnets that create a fixed magnetic field. The armature winding, located on the rotor, produces a magnetic field that interacts with the stator’s field to generate torque.

The commutation process is achieved through the use of a commutator and brushes. The commutator is a cylindrical ring with multiple segments, while the brushes are conductive contacts that make physical contact with the commutator segments. The armature winding is connected to the commutator, and as the rotor spins, the brushes maintain contact with different segments.

As the rotor rotates, the commutator and brushes ensure that the direction of the current in the armature winding is reversed at specific intervals. This reversal of current flow is necessary to maintain a consistent torque in the same rotational direction. Without commutation, the torque generated by the motor would fluctuate in both magnitude and direction, leading to instability and erratic motor behavior.

The commutation process involves two stages: mechanical commutation and electrical commutation.

1. Mechanical Commutation: As the rotor rotates, the brushes make contact with different segments of the commutator. The segments are insulated from each other to prevent short circuits. When the brushes move from one segment to another, the current flowing through the armature winding is switched to a different coil or set of coils. This mechanical switching ensures that the magnetic fields produced by the winding are properly aligned with the stator’s field, resulting in continuous torque production.

2. Electrical Commutation: The reversal of current in the armature winding is achieved through electrical commutation. When the brushes make contact with a new commutator segment, the current flow in the winding is redirected to maintain the desired torque direction. The timing and sequence of the current reversal are critical to ensure smooth and efficient motor operation.

The commutation process in a DC motor is a dynamic and continuous operation. It allows for the conversion of electrical energy into mechanical motion by providing a consistent torque output. The efficiency and performance of the motor are greatly influenced by the quality and effectiveness of the commutation process.

In summary, commutation plays a vital role in the operation of a DC motor by ensuring the continuous rotation of the motor and the production of consistent torque. It involves the mechanical and electrical switching of the current direction in the armature winding, facilitated by the commutator and brushes.

dc motor

Are there innovations or emerging technologies in the field of DC motor design?

Yes, there have been several innovations and emerging technologies in the field of DC (Direct Current) motor design. These advancements aim to improve the performance, efficiency, reliability, and overall capabilities of DC motors. Here’s a detailed explanation of some notable innovations and emerging technologies in DC motor design:

1. Brushless DC Motors:

One significant advancement in DC motor design is the development and widespread adoption of brushless DC motors (BLDC motors). Unlike traditional DC motors that use brushes for commutation, BLDC motors employ electronic commutation through the use of permanent magnets and motor controller circuits. This eliminates the need for brushes, reducing maintenance requirements and improving overall motor efficiency and lifespan. BLDC motors offer higher torque density, smoother operation, better speed control, and improved energy efficiency compared to conventional brushed DC motors.

2. High-Efficiency Materials:

The use of high-efficiency materials in DC motor design has been an area of focus for improving motor performance. Advanced magnetic materials, such as neodymium magnets, have allowed for stronger and more compact motor designs. These materials increase the motor’s power density, enabling higher torque output and improved efficiency. Additionally, advancements in materials used for motor windings and core laminations have reduced electrical losses and improved overall motor efficiency.

3. Power Electronics and Motor Controllers:

Advancements in power electronics and motor control technologies have greatly influenced DC motor design. The development of sophisticated motor controllers and efficient power electronic devices enables precise control of motor speed, torque, and direction. These technologies have resulted in more efficient and reliable motor operation, reduced energy consumption, and enhanced motor performance in various applications.

4. Integrated Motor Systems:

Integrated motor systems combine the motor, motor controller, and associated electronics into a single unit. These integrated systems offer compact designs, simplified installation, and improved overall performance. By integrating the motor and controller, issues related to compatibility and communication between separate components are minimized. Integrated motor systems are commonly used in applications such as robotics, electric vehicles, and industrial automation.

5. IoT and Connectivity:

The integration of DC motors with Internet of Things (IoT) technologies and connectivity has opened up new possibilities for monitoring, control, and optimization of motor performance. By incorporating sensors, actuators, and connectivity features, DC motors can be remotely monitored, diagnosed, and controlled. This enables predictive maintenance, energy optimization, and real-time performance adjustments, leading to improved efficiency and reliability in various applications.

6. Advanced Motor Control Algorithms:

Advanced motor control algorithms, such as sensorless control and field-oriented control (FOC), have contributed to improved performance and efficiency of DC motors. Sensorless control techniques eliminate the need for additional sensors by leveraging motor current and voltage measurements to estimate rotor position. FOC algorithms optimize motor control by aligning the magnetic field with the rotor position, resulting in improved torque and efficiency, especially at low speeds.

These innovations and emerging technologies in DC motor design have revolutionized the capabilities and performance of DC motors. Brushless DC motors, high-efficiency materials, advanced motor control techniques, integrated motor systems, IoT connectivity, and advanced control algorithms have collectively contributed to more efficient, reliable, and versatile DC motor solutions across various industries and applications.

China supplier 0.30 Ml/Rev DC 24V Motor Tungsten Steel with Titanium Nitride Coating Micro Magnetic Drive Gear Pump M0.30t57bl120W   vacuum pump ac system	China supplier 0.30 Ml/Rev DC 24V Motor Tungsten Steel with Titanium Nitride Coating Micro Magnetic Drive Gear Pump M0.30t57bl120W   vacuum pump ac system
editor by CX 2024-04-22


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