China wholesaler DC Motor with Brush IP21s IP23 IC06 for Conveyors at Cement Textile Z4-100-1 vacuum pump engine

Product Description

Z4 160/440/440V High Speed and Speed Controller AC Electric DC Motor with Brush IP21S IP23 IC06 for conveyors at cement textile
———————————————————————————————

Application
Widely applied in the industry of metallurgy, papermaking, printing, textile, printing and dyeing, cement and machine tools.

General Description

  • Frame sizes: 100-450           
  • Rated output: 1.5-600kW
  • Insulation class: F               
  • Voltage:160V / 440V
  • Duty cycle: S1                  
  • Excitation mode: Separate excitation
  • Rotation speed: 3000,1500,1000,750,600,500,400,300,200r/min

Features
Great speed control system by which speed can be reduced by lowering voltage with constant torque or raised by lowering exciting current with constant output; wide range of speed regulation; small size, lightweight; high output power, strong overload capacity.

Circumstance
Altitude not exceeds 1000m, highest ambient temperature shall be no higher than +40ºC;can’t work in the circumstance where acidic/alkaline gas, or some other gas that may damage the insulation exist; the motor powered by rectifier supply; standard exciting voltage is 180V,reinforced excitation is allowed but its voltage can bot be higher than 500V.

Designation of Types

Mounting and Structure
1. Enclosure and mounting type     
a. Protection class is IP21S, IP23 or IP44.
b. Mounting type see below table (frame with feet).

Mounting Frame size
 

IMB3

Z4-100~Z4-450
 

IMB35

Z4-100~Z4-315

 

IMB5

Z4-100~Z4-315
(feet are not for installation purpose )
 

IMV1

Z4-100~Z4-315
(feet are not for installation purpose)
 

IMV15

Z4-100~Z4-315

2. Cooling method
This series motors are cooled by forced air with separated built-on blower which is connected to independent power supply, and also fitted with air filter. The cooling method of the motor is IC06, motor of IC17, IC37 can also be customized.
 a. Z4-100~Z4-160, blower locates at NDE
 b. Z4-180~Z4-450, blower locates at DE
c. Parameter of the cooling air and blower motor power see table (three phase, 2 poles, 380V).
    Noted: Consult the producer when clients are interested in the following type motor:
a. Frame size Z4-100~Z4-225 totally enclosed self-cooled motor (IC410).
b. Frame size Z4-180~Z4-450 separately-cooled motor, blower at NDE (IC06).
c. Frame size Z4-100~Z4-200 self-cooled motor, fan on the shaft (IC01).
d. Frame size Z4-160~Z4-355 totally enclosed motor with air-air cooler (IC666).
e. Frame size Z4-160~Z4-450 totally enclosed motor with air-water cooler (IC86W).

3. Terminal box is at the right side of the frame from the view of DE (The motor whose terminal box is at the left side or on the top can be also customized).
4. Motor whose speed generator or rotary encoder is at NDE can also be customized.
5.  Motor is connected to flexible coupling.
Sheet 1

Frame Blowing rate Pressure Output Power
m3/h pa kW
Z4-100 160 200 0.04
Z4-112 220 300 0.06
Z4-132 360 450 0.18
Z4-160 790 600 0.37
Z4-180 1200 940 1.1
Z4-200 1600 800 1.1
Z4-225 2880 1400 3.0
Z4-250 3000 1400 3.0
Z4-280 4000 1600 4.0
Z4-315 4680 1600 5.5
Z4-355 5200 1600 5.5
Z4-400 7200 1800 5.5
Z4-450 9000 1800 7.5

Site

Product and System Certificates

Patent Certificates

Honors

Show Room

Premium Service

Quality Control

Wannan Motor Production Workshop and Flow Chart

Certificates and more COMPANY information please go to “ABOUT US”
—————————————————————————————————————————
Welcome to contact us directly…
wnmmotor
https://youtu.be/frVvg3yQqNM

CHINAMFG MOTOR        INDUSTRIAL SOLUTIONS /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Universal, Industrial, Household Appliances, Car, Power Tools, DC Motor
Operating Speed: Adjust Speed
Excitation Mode: Excited
Function: Control, Driving, DC Motor
Casing Protection: Protection Type
Number of Poles: 4
Customization:
Available

|

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 safety considerations or maintenance practices associated with DC motors?

Yes, there are safety considerations and maintenance practices associated with DC (Direct Current) motors. DC motors, like any other electrical equipment, require proper handling, maintenance, and adherence to safety guidelines to ensure safe operation and longevity. Here’s a detailed explanation of the safety considerations and maintenance practices associated with DC motors:

Safety Considerations:

Electrical Hazards: DC motors operate with high voltages and currents, posing electrical hazards. It is essential to follow proper electrical safety practices, such as wearing appropriate personal protective equipment (PPE) and ensuring that electrical connections are secure and insulated. Proper grounding and isolation techniques should be employed to prevent electrical shocks and accidents.

Lockout/Tagout: DC motors, especially in industrial settings, may require maintenance or repair work. It is crucial to implement lockout/tagout procedures to isolate the motor from its power source before performing any maintenance or servicing activities. This ensures that the motor cannot be accidentally energized during work, preventing potential injuries or accidents.

Overheating and Ventilation: DC motors can generate heat during operation. Adequate ventilation and cooling measures should be implemented to prevent overheating, as excessive heat can lead to motor damage or fire hazards. Proper airflow and ventilation around the motor should be maintained, and any obstructions or debris should be cleared.

Mechanical Hazards: DC motors often have rotating parts and shafts. Safety guards or enclosures should be installed to prevent accidental contact with moving components, mitigating the risk of injuries. Operators and maintenance personnel should be trained to handle motors safely and avoid placing their hands or clothing near rotating parts while the motor is running.

Maintenance Practices:

Cleaning and Inspection: Regular cleaning and inspection of DC motors are essential for their proper functioning. Accumulated dirt, dust, or debris should be removed from the motor’s exterior and internal components. Visual inspections should be carried out to check for any signs of wear, damage, loose connections, or overheating. Bearings, if applicable, should be inspected and lubricated as per the manufacturer’s recommendations.

Brush Maintenance: DC motors that use brushes for commutation require regular inspection and maintenance of the brushes. The brushes should be checked for wear, proper alignment, and smooth operation. Worn-out brushes should be replaced to ensure efficient motor performance. Brush holders and springs should also be inspected and cleaned as necessary.

Electrical Connections: The electrical connections of DC motors should be periodically checked to ensure they are tight, secure, and free from corrosion. Loose or damaged connections can lead to voltage drops, overheating, and poor motor performance. Any issues with the connections should be addressed promptly to maintain safe and reliable operation.

Insulation Testing: Insulation resistance testing should be performed periodically to assess the condition of the motor’s insulation system. This helps identify any insulation breakdown or degradation, which can lead to electrical faults or motor failures. Insulation resistance testing should be conducted following appropriate safety procedures and using suitable testing equipment.

Alignment and Balance: Proper alignment and balance of DC motors are crucial for their smooth operation and longevity. Misalignment or imbalance can result in increased vibrations, excessive wear on bearings, and reduced motor efficiency. Regular checks and adjustments should be made to ensure the motor is correctly aligned and balanced as per the manufacturer’s specifications.

Manufacturer’s Recommendations: It is important to refer to the manufacturer’s guidelines and recommendations for specific maintenance practices and intervals. Each DC motor model may have unique requirements, and following the manufacturer’s instructions ensures that maintenance is carried out correctly and in accordance with the motor’s design and specifications.

By adhering to safety considerations and implementing proper maintenance practices, DC motors can operate safely, reliably, and efficiently throughout their service life.

China wholesaler DC Motor with Brush IP21s IP23 IC06 for Conveyors at Cement Textile Z4-100-1   vacuum pump engine	China wholesaler DC Motor with Brush IP21s IP23 IC06 for Conveyors at Cement Textile Z4-100-1   vacuum pump engine
editor by CX 2024-04-25

Comments

Leave a Reply

Your email address will not be published. Required fields are marked *