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Worm Gearbox Brushless Dc Motor

What is brushless dc motor with Worm gearbox?

In modern automation and motion control systems, worm geared BLDC motors have emerged as a preferred solution for applications requiring high torque, compact size, and precise control. These advanced motors combine the efficiency of brushless DC (BLDC) technology with the power transmission advantages of a worm gearbox, creating a highly efficient and durable drive system for industrial, commercial, and robotic uses.

Jkongmotor Geared Brushless Motors

Jkongmotor provides a variety of geared bldc motors, including:

Common Planetary Gearbox
High Precision Planetary Gearbox
Eccentric Spur Gearbox
Worm Gearbox

If you need more details on any specific type or application, let me know!

Jkongmotor brushless dc motor:

As a professional brushless dc motor manufacturer with 13 years in china, Jkongmotor offer various bldc motors with customized requirements, including 33 42 57 60 80 86 110 130mm, additionally, gearboxes, brakes, encoders, brushless motor drivers and integrated drivers are optional.

Features:

No Brushes – Reduced Maintenance and Increased Lifespan
High Efficiency and Low Power Loss
High Torque-to-Weight Ratio
Precise Speed and Position Control
Quiet and Smooth Operation
Wide Speed Range and Dynamic Performance
Excellent Thermal Management Customizable Designs and Modular Configurations
Multiple Control Methods
Integration with Digital Interfaces and Sensors

Nema17 42BLS Series Square Brushless DC Motor with Spur Gearbox

Brushless DC motor, power: 26W ~ 105W, rated voltage: 24V, rated speed: 4000rpm, rated torque: 0.0625Nm ~ 0.25Nm (without worm gearbox)
Optional parts: Gearbox, brake, encoder, integrated built-in drivers...

Model	Phase	Poles	Rated Voltage	Rated Speed	Rated Torque	Rated Current	Rated Power	Body Length	Rotor Inertia	Driver	Weight
Model	Phase	Poles	Vdc	Rpm	N.m	A	W	mm	g.cm²	/	Kg
JK42BLS01	3	8	24	4000	0.0625	1.8	26	41	24	JKBLD120	0.3
JK42BLS02	3	8	24	4000	0.125	3.3	52.5	61	48	JKBLD120	0.45
JK42BLS03	3	8	24	4000	0.185	4.8	77.5	81	72	JKBLD120	0.65
JK42BLS04	3	8	24	4000	0.25	6.3	105	100	96	JKBLD120	0.8

Nema23 57BLF Series Square Brushless DC motor with Worm Gearbox

Brushless DC motor, power: 23W ~ 184W, rated voltage: 36V, rated speed: 4000rpm, rated torque: 0.055Nm ~ 0.44Nm (without worm gearbox)

Optional parts: gearbox, brake, encoder, fan, integrated built-in drivers...

Model	Phase	Poles	Rated Voltage	Rated Speed	Rated Torque	Rated Current	Rated Power	Body Length	Rotor Inertia	Driver	Weight
Model	Phase	Poles	Vdc	Rpm	N.m	A	W	mm	g.cm²	/	Kg
JK57BLF005	3	4	36	4000	0.055	1.2	23	37	30	JKBLD300	0.33
JK57BLF01	3	4	36	4000	0.11	2.0	46	47	75	JKBLD300	0.44
JK57BLF02	3	4	36	4000	0.22	3.6	92	67	119	JKBLD300	0.75
JK57BLF03	3	4	36	4000	0.33	5.3	138	87	173	JKBLD300	1.0
JK57BLF04	3	4	36	4000	0.44	6.8	184	107	230	JKBLD300	1.25

Worm Gearbox Specification

Gearbox Model	NMRV30
Motor Power /KW	≤0.18
Gear Ratio	5	7.5	10	15	20	25	30	40	50	60	80
Effiency %	40-70
Suitable Motor Max Size /mm	63
Torque /N.m	24
Output Hole Dimension /mm	14
Input Hole Dimension /mm	9/11
Gearbox Weight /Kg	1.2

Nema24 60BLS Series Square Brushless DC Motor with Worm Gearbox

Brushless DC motor, power: 94W ~ 377W, rated voltage: 48V, rated speed: 3000rpm, rated torque: 0.3Nm ~ 1.2Nm (without worm gearbox)

Optional parts: gearbox, brake, encoder, fan, integrated built-in drivers...

Model	Phase	Poles	Rated Voltage	Rated Speed	Rated Torque	Rated Current	Rated Power	Body Length	Rotor Inertia	Driver	Weight
Model	Phase	Poles	Vdc	Rpm	N.m	A	W	mm	kg.cm²	/	Kg
JK60BLS01	3	8	48	3000	0.3	2.8	94	78	0.24	JKBLD300	0.85
JK60BLS02	3	8	48	3000	0.6	5.2	188	99	0.48	JKBLD300	1.25
JK60BLS03	3	8	48	3000	0.9	7.5	283	120	0.72	JKBLD300	1.65
JK60BLS04	3	8	48	3000	1.2	9.5	377	141	0.96	JKBLD300	2.05

Worm Gearbox Specification

Gearbox Model	NMRV30
Motor Power /KW	≤0.18
Gear Ratio	5	7.5	10	15	20	25	30	40	50	60	80
Effiency %	40-70
Suitable Motor Max Size /mm	63
Torque /N.m	24
Output Hole Dimension /mm	14
Input Hole Dimension /mm	9/11
Gearbox Weight /Kg	1.2

Nema34 86BLS Series Square Brushless DC Motor with Worm Gearbox

Brushless DC motor, power: 110W ~ 660W, rated voltage: 48V, rated speed: 3000rpm, rated torque: 0.35Nm ~ 2.1Nm (without worm gearbox)

Optional parts: gearbox, brake, encoder, fan, integrated built-in drivers...

Model	Phase	Poles	Rated Voltage	Rated Speed	Rated Torque	Rated Current	Rated Power	Body Length	Rotor Inertia	Driver	Weight
Model	Phase	Poles	Vdc	Rpm	N.m	A	W	mm	g.cm²	/	Kg
JK86BLS58-X002	3	8	48	3000	0.35	3	110	71	400	JKBLD750	1.5
JK86BLS71-X001	3	8	48	3000	0.7	6.3	220	84.5	800	JKBLD750	1.9
JK86BLS84	3	8	48	3000	1.05	9	330	98	1200	JKBLD750	2.3
JK86BLS98-X015	3	8	48	3000	1.4	11.5	440	111.5	1600	JKBLD750	2.7
JK86BLS125-X015	3	8	48	3000	2.1	18	660	138.5	2400	JKBLD750	4

Worm Gearbox Specification

Gearbox Model	NMRV40
Motor Power /KW	≤0.37
Gear Ratio	5	7.5	10	15	20	25	30	40	50	60	80	100
Effiency %	35-70
Suitable Motor Max Size /mm	71
Torque /N.m	52
Output Hole Dimension /mm	18
Input Hole Dimension /mm	11/14
Gearbox Weight /Kg	2.3

What Is a Worm Geared BLDC Motor?

A worm geared BLDC motor is a brushless DC motor integrated with a worm gearbox to enhance torque output while reducing speed. The worm gear mechanism consists of a worm (a screw-like gear) meshing with a worm wheel (a toothed gear). This configuration allows for significant torque multiplication, quiet operation, and self-locking capability, which are ideal features for equipment that requires precision positioning and safety holding.

By combining BLDC motor efficiency—which eliminates brushes and commutators—with a worm gear reducer, these motors deliver superior performance compared to traditional brushed or spur-geared motors.

Key Features of Worm Geared BLDC Motors

1. High Torque Density

The worm gearbox allows the BLDC motor to deliver exceptionally high torque in a compact form factor. This makes it ideal for applications such as automated doors, conveyors, lift systems, and robotics.

2. Compact and Space-Saving Design

The right-angle gear configuration reduces the overall footprint of the motor, enabling its installation in tight spaces without compromising power output.

3. Smooth and Silent Operation

Worm gears provide a high contact ratio, resulting in smooth transmission and minimal vibration. This makes worm geared BLDC motors perfect for noise-sensitive environments such as medical equipment, laboratory automation, and home appliances.

4. High Reduction Ratio

Worm geared systems can achieve large speed reductions (up to 100:1 or higher) in a single stage, allowing for precise control of rotational speed and torque without complex multi-stage gear systems.

5. Self-Locking Function

One of the most valuable characteristics of worm gears is their self-locking ability, which prevents the driven load from back-driving the motor when power is off—ideal for safety-critical systems such as elevators, hoists, and positioning tables.

6. Maintenance-Free and Long Life

Thanks to brushless technology, these motors require minimal maintenance. The absence of brushes eliminates wear issues, extending operational lifespan and ensuring consistent performance over time.

Working Principle of a Worm Geared BLDC Motor

The BLDC motor operates using electronic commutation, where Hall sensors or a sensorless controller detect rotor position and adjust current flow to stator windings accordingly. This enables smooth torque delivery, high speed control, and excellent energy efficiency.

The worm gear reducer, mounted to the motor shaft, translates the high-speed, low-torque output of the BLDC motor into low-speed, high-torque rotation at the gearbox output shaft. The gear angle (usually 90°) allows for compact integration in machinery designs.

Together, the combination of electronic control precision and mechanical torque amplification makes worm geared BLDC motors ideal for applications requiring controlled linear or rotational motion under heavy load conditions.

Advantages of Using Worm Geared BLDC Motors

1. Energy Efficiency and Performance

BLDC motors are renowned for their high efficiency (up to 90%), resulting in lower power consumption compared to brushed motors. When paired with a worm gearbox, the system maximizes output power per unit volume, offering superior performance in constrained installations.

2. Excellent Load Holding

Due to the self-locking property of the worm gear, these motors can hold loads securely without the need for additional brakes or mechanical locking devices.

3. Precise Motion Control

Electronic speed controllers allow for accurate torque and position regulation, critical in applications such as robotic arms, CNC equipment, and automated guided vehicles (AGVs).

4. Compact Integration

By combining motor and gearbox into one compact assembly, users save on space, weight, and design complexity, leading to simplified installation and cost efficiency.

5. Reduced Noise and Vibration

The sliding contact mechanism between the worm and wheel provides whisper-quiet operation, beneficial in hospital, laboratory, and residential automation systems.

6. Long-Term Reliability

With fewer mechanical parts subject to wear and no brush replacement needed, worm geared BLDC motors offer extended operational life, reducing total cost of ownership.

Applications of Worm Geared BLDC Motors

Worm geared BLDC motors find widespread use across numerous industries due to their versatility and robust performance. Common applications include:

1. Industrial Automation

Used in conveyor belts, material handling systems, and actuators, these motors provide consistent torque and speed control essential for production efficiency.

2. Robotics and AGVs

In robotic joints and automated guided vehicles, worm geared BLDC motors offer precise positioning, silent operation, and powerful torque for motion control and navigation.

3. Medical Equipment

Their quiet performance and reliability make them suitable for medical beds, imaging systems, and automated laboratory analyzers.

4. Door and Gate Systems

The self-locking feature ensures that doors, gates, and shutters remain securely in place when power is off, providing safety and stability.

5. Renewable Energy Systems

In solar tracking systems and wind turbines, these motors provide smooth, efficient positioning for optimal energy capture.

6. Food and Beverage Machinery

Their clean, sealed design makes worm geared BLDC motors ideal for food processing conveyors and mixing systems, ensuring hygienic operation with minimal maintenance.

Selecting the Right Worm Geared BLDC Motor

When choosing a worm geared BLDC motor for your application, consider the following parameters:

Required Torque and Speed: Determine the load and operational speed to select the appropriate gear ratio.
Input Voltage: BLDC motors are available in 12V, 24V, 48V, or custom voltages to match system power supply.
Mounting Configuration: Right-angle or inline options depend on your installation layout.
Environment: Select sealed or IP-rated designs for dusty, wet, or outdoor conditions.
Control Method: Choose between sensored or sensorless control based on precision and cost requirements.

Proper selection ensures maximum efficiency, longevity, and optimal torque-speed performance for your specific use case.

Future Trends in Worm Geared BLDC Motor Technology

The evolution of smart motor technology continues to enhance the performance and capabilities of worm geared BLDC motors. Some of the key trends include:

Integration with IoT and AI: Enabling real-time monitoring, predictive maintenance, and adaptive performance tuning.
High-Efficiency Magnetic Designs: Advanced materials improve torque density and reduce energy loss.
Compact Integrated Drive Units: Combining motor, driver, and controller in one housing for simplified system architecture.
Enhanced Gear Materials and Lubrication: New alloys and synthetic lubricants extend gearbox lifespan and efficiency.

These innovations are shaping a new generation of intelligent motion control systems that deliver higher performance with lower environmental impact.

Conclusion

The worm geared BLDC motor represents the perfect fusion of mechanical power transmission and electronic efficiency. With high torque output, self-locking capability, and precise control, it has become indispensable across automation, robotics, and energy industries. As technology advances, these motors will continue to define the future of intelligent motion solutions, ensuring energy efficiency, reliability, and performance excellence in every application.