LBL-3115-900

 1. Max. thrust :4598

 2. MTBF:600hours 

 3. Motor Maintenance:Regularly lubricate bearings to reduce friction and wear 

Product Description

LBL-3115-900 DC brushless motor is an efficient and reliable motor product. It adopts a brushless design, which reduces mechanical wear and noise, while improving motor efficiency and service life. The motor has a wide speed range and is suitable for various application scenarios that require precise speed control. With its compact structure and stable performance, it can be widely used in automation equipment, power tools and other fields to provide stable and reliable power support for various types of mechanical equipment.

Product Features

  • High efficiency: Using advanced brushless design, it effectively reduces energy loss and improves the working efficiency of the motor.
  • Long life: Since there are no carbon brushes and commutators, mechanical wear is reduced, thus significantly extending the service life of the motor.
  • Low noise: Smooth operation and low noise, suitable for noise-sensitive places.
  • Wide speed regulation range: The motor can perform stepless speed regulation within a wide speed range to meet different application needs.
  • High reliability: compact structure, reasonable design, able to operate stably in various complex environments.
  • Easy to maintain: Brushless design reduces maintenance requirements and lowers maintenance costs.
  • Energy saving and environmental protection: High efficiency means lower energy consumption, which meets the requirements of modern energy saving and environmental protection.

Application

  • It is suitable for various types of mechanical and electronic equipment that require high efficiency, high reliability, wide speed range and low noise.
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Product parameters

Operating condition and Motor type

No. Items Specification Remarks
1-1 Rated voltage(V) 25V DC
1-2 Operating voltage range 19.8~26.4V DC
1-3 Motor type 3-phases 14-poles
1-4 Number of stator slots 12 Slots
1-5 Stator Winding
1-6 Winding insulation class Class H Temperature resistance of 180 ℃
1-7 Operating ambient temperature (℃)/humidity (%) -20℃~+40℃/5%~85%
1-8 Storage environment temperature(℃)/humidity (%) -20℃~+60℃/5%~85% No condensation on motor and packaging(Avoid storing the product in a high temperature and high humidity environment. If The storage time  should not exceed 6 months in a normal temperature and humidity environment)
1-9 Rotation direction Under the same test conditions of the motor, the direction of the output shaft is visually observed, and the rotation of motor is clockwise/counterclockwise Using our company’s testing system
1-10

 

Appearance No mechanical damage marks, no corrosion marks, the surface is clean and free of dirt, the color conforms to the  standard swatch, etc. Visual inspection (the inspection standard is based on the appearance limit template)
1-11

Measuring condition

 

Measure all normal temperature and humidity if there is any doubt about judgement, measurements shall be made within 20±30C, 65±20%RH
1-12 Test method Observe rated current.rated speed and rated input power after operating for 1 min

Electrical  characteristics

2-1 No load rated voltage (V) 10V DC Brushless comprehensive tester (without load)
2-2 No load speed (rpm) 9000±10%
2-3 No load current (A) 1.9A Max
2-4 Terminal resistance

 

42.2mΩ(reference value) Terminal to terminal resistance
2-5 Terminal inductance TBD Inductance between terminals at 1V1KHZ (minimum)
2-6 Insulation resistance 10MΩ Min AT 100V DC between motor terminal and metal housing
2-7 Load rated voltage (V) 25V DC The data on the left is only representative values (testing conditions: use our testing system and use

1050R three blade propeller)

2-8 Room temperature (0℃~30℃)  load current (A) 68.2(reference value)
2-9 Maximum output lift (g) 4598(reference value)
2-10 Maximum power (W) 1705(reference value)

Mechanical properties

3-1 Motor weight (g) 104±0.5g Test conditions: Electronic scale (accuracy: 0.01g)
3-2 Dimension Refer to the CAD drawing see picture 1(Motor outline assembly drawing)

Reliability test

No. Items Test setup Criteria
4-1 Aging test Test voltage:25V DC

Load:Half throttle test

Test conditions:JCJC life test fixture unit

Test content:The service life of the half throttle test motor is greater than 300 hours. After aging, the test motor can operate normally, and the current, speed, and resistance comply with the provisions of this technical specification

After the experiment, the motor was allowed to stand for 2 hours in a normal temperature and humidity environment, and the experimental motor was tested to comply with the regulations of 6-1
4-2 High temperature test Test temperature:60℃

Test time:72H

Test content:Adjust the high and low temperature laboratory temperature to the severe level +60 ℃, run the motor under no-load condition, and check whether the motor meets the judgment standard. After adjusting the speed to 0, power on for 72 hours, and test the no-load data

After the experiment, the motor was allowed to stand for 2 hours in a normal temperature and humidity environment, and the experimental motor was tested to comply with the regulations of 6-1
4-3 Low temperature test Test temperature:-20℃

Test time:48H

Test content:Adjust the temperature of the high and low temperature laboratory to the severe level of -20°C, run the motor under no-load condition, and check whether the motor meets the judgment standard. After adjusting the speed to 0, power on for 48 hours, and test the no-load data

4-4 High temperature and high humidity storage test Test temperature:40℃

Test humidity:85%RH

Test time:2d

Test content:The motor should be able to withstand a temperature of 60°C, a relative humidity of 85%, a constant damp heat test that lasted 2 days, and the insulation resistance should be measured immediately after the test, which should not be less than 1MΩ. The motor should have no obvious deterioration of appearance quality and works normally . After 12 hours of recovery under normal atmospheric conditions, the motor should be able to work normally.

4-5 Salt spray test experimental condition:

1:(he temperature of the test chamber is required to be (35 ± 2) ℃, the humidity is more than 95%, the mist reduction is 1-2ml  (H · cm2), and the nozzle pressure is 78.5-137.3kpa (0.8-1.4kgf  cm2).

2:(5 ± 0.5)% sodium chloride, pH 6.5-7.2

Experimental time:24h (continuous spray)

 

 

There is no obvious rust on the external surface of the motor after the test.

 

 

4-6

 

 

Vibration test

Frequency: 10~55Hz

Amplitude: 1.2mm

Frequency 1cotmin: 1.5H in each direction of the X, Y, and Z axes

After the experiment, the motor was allowed to stand for 2 hours in a normal temperature and humidity environment, and the experimental motor was tested to comply with the regulations of 6-1

 

Requirements

No. Requirements
5-1 Speed: initial value ± 20%

Current: initial value ± 20%

Insulation resistance: meets the initial value

 Cautions

If you have any questions about the safety of the product, please be sure to contact our company, and our company will carry out relevant technical verification.

6-1 Storage Should try not to store products in corrosive gas environment, high temperature and high humidity environment. If a particularly long period of storage is required, the storage time should not exceed 6 months in a normal temperature and humidity environment
6-2 Overload Do not apply excessive overload to the motor, otherwise it may damage the motor
6-3 Other It is strictly forbidden to touch the rotating part of the motor with your hands or fingers when the motor is powered on
6-4 Test The test of rated data should be conducted with the motor horizontally placed and fixed without looseness

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