Product Description
| Model | CTM-HUBO40 | CTM-HUBO40R | CTM-HUBO45 |
| Diameter | 4 inch | 4 inch | 4.5 inch |
| Dimension (Diameter * width) | Φ107x40mm | Φ110x59mm | Φ121x51mm |
| Tyre Type | Rubber | Rubber/PU | Rubber |
| Shaft Type | Single/Double | Double | Double |
| Max Load (1Unit) | 50kg | 100kg | 150kg |
| Reduction Rate | – | 4:1 | – |
| Rated Torque | 3NM | 6.8NM | 5NM |
| Peak Torque | 7NM | 16NM | 10NM |
| Rated Voltage Option | DC24 | DC24/DC36/48DC | DC24/DC36/48DC |
| Rated Current | 3-9A | 3-12A | 5-15A |
| Rated Speed (RPM) | 300 | 210 | 300 |
| Rated Power | 50-150 | 50-250W | 50W-350W |
| Max Speed (RPM) | 400 | 300 | 400 |
| Peak Current | 15A | 15A | 30A |
| Pole Numbers (Pairs) | 10 | 10 | 10 |
| Phase Angle | 120° | 120° | 120° |
| Encoder Type | Incremental Optical | Incremental Optical | Incremental Optical |
| 1571 line /4096 | 1571 line /4097 | 1571 line /4098 | |
| Insulation Grade | E | E | E |
| Protection Level | IP54 | IP54 | IP54 |
| Working Temperature | -10ºC-40ºC | -10ºC-40ºC | -10ºC-40ºC |
Factory and qualification
FAQ
Q: What is your company doing and where is your company?
A: HangZhou RoboCT Technological Development Co., Ltd. is dedicated to providing the disabled, the elderly and medical Rehabilitation institutes with intelligent rehabilitation devices, rehabilitation assistance and smart solutions through combining Artificial Intelligence (AI)and robotic Technology with data analysis and cloud computing. It aims to promote medical.Rehabilitation and drive the pension industry with benefiting the disabled and people with mobility impairments as its own goal. It also involves the research and products development of exoskeleton technology in several fields such as entertainment, industry and sports.
Q: What’s the difference between you and other businesses?
A: Our company has a professional design team, one-stop logistics installation team, and worry free after-sales service to provide you with convenient, safe and worry free one-stop home decoration service
Q: What are the payment methods?
A: We provide you with the bank counter transfer payment, POS machine credit card payment, cash payment and other ways
Q: What is the payment process?
A: The main process is setting dimension – scheme analysis – scheme making – determining scheme – order processing – network query – order production – Logistics Delivery
Q: What services do you all provide?
A: We provide necessary installation, configuration, simple maintenance and technical support services within our capabilities.
Q: What is the corporate of your company?
In2018, RoboCT Technology has obtained Pre-A Round Financing and introduced industrial investors. The inflow off resources has jump-start the company. The corporate culture of RoboCT Technology is “solving problems, trusting each other and keeping pace with the times” which is kept in mind by all the staff. We work to broaden humans’ perception and expand physical fitness, satisfy people’s key demands for convenient moving and a free life and loyal to the corporate vision.
Q: What is the Corporate Vision of your company?
A: Besides, we strive to improve technology and broad envision with the times, keep Leading the technology to provide better robotic products. We stick to meticulously researching and eveloping in intelligent technology. That means we will better user experience through humanistic care and persistently enhance the industry chain of exoskeleton technology. All these efforts will pave the way for us to become a leading enterprise in terms of exoskeleton around the globe. The CHINAMFG of AI has arrived, and the future is bound to be a time when humans integrate with machines. Therefore, exoskeleton must be another accessory organ for humans. All in all, a small step taken by RoboCT Technology to develop exoskeleton technology is a giant leap for mankind
Q: Whether the product can be customized?
A: Of course, we accept customized products, as long as you put CHINAMFG the demand, we will do our best.
Q: How to offer aftersales service?
A: Please contact our after-sales service personnel who will try their best to solve your after-sales problems.
Q: How can I get a quote?
A: Contact the sales, it’s necessary to know your company and project info before giving a quote, RoboCT have standard questions for you to reply. You can also email us.
Q: What’s your company advantages?
A: High cost-effective goods, high-level technology products and perfect after-sales service.
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| Application: | Universal, Industrial, Power Tools, Robot |
|---|---|
| Operating Speed: | Low Speed |
| Function: | Control |
| Casing Protection: | Closed Type |
| Number of Poles: | 10 |
| Structure and Working Principle: | Brushless |
| Customization: |
Available
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What is a DC motor, and how does it differ from other types of electric motors?
A DC (Direct Current) motor is an electric motor that converts electrical energy into mechanical motion. It operates based on the principle of electromagnetic induction and the interaction between current-carrying conductors and magnetic fields. DC motors are widely used in various applications due to their simplicity, controllability, and versatility. Here’s a detailed explanation of what a DC motor is and how it differs from other types of electric motors:
1. Basic Operation:
In a DC motor, electrical energy is supplied to the motor’s armature through a DC power source, typically a battery or a rectified power supply. The armature consists of multiple coils or windings that are evenly spaced around the motor’s rotor. The rotor is a cylindrical core with a shaft that rotates when the motor is energized. When current flows through the armature windings, it creates a magnetic field that interacts with the fixed magnetic field produced by the motor’s stator. This interaction generates a torque, causing the rotor to rotate.
2. Commutation:
DC motors employ a commutator and brushes for the conversion of electrical energy and the rotation of the rotor. The commutator consists of a segmented cylindrical ring attached to the rotor shaft, and the brushes are stationary conductive contacts that make contact with the commutator segments. As the rotor spins, the brushes maintain contact with the commutator segments, periodically reversing the direction of the current flow in the armature windings. This reversal of current flow in the armature windings ensures continuous rotation of the rotor in the same direction.
3. Types of DC Motors:
DC motors can be classified into different types based on their construction and the method of field excitation. The two main types are:
- Brushed DC Motors: Brushed DC motors have a mechanical commutator and brushes to switch the current direction in the armature windings. These motors are relatively simple, cost-effective, and offer good torque characteristics. However, the commutator and brushes require regular maintenance and can generate electrical noise and brush wear debris.
- Brushless DC Motors (BLDC): Brushless DC motors, also known as electronically commutated motors (ECMs), use electronic circuits and sensors to control the current flow in the motor windings. They eliminate the need for brushes and commutators, resulting in reduced maintenance and improved reliability. BLDC motors offer higher efficiency, smoother operation, and better speed control compared to brushed DC motors.
4. Speed Control:
DC motors provide excellent speed control capabilities. By adjusting the voltage applied to the motor, the speed of the DC motor can be regulated. Lowering the voltage reduces the motor’s speed, while increasing the voltage increases the speed. This feature makes DC motors suitable for applications that require precise speed control, such as robotics, conveyor systems, and electric vehicles.
5. Advantages and Disadvantages:
DC motors have several advantages, including:
- Simple construction and easy maintenance (for brushed DC motors).
- High starting torque.
- Precise speed control.
- Good controllability over a wide range of loads.
However, DC motors also have some limitations, such as:
- Brushed DC motors require periodic maintenance and have limited brush life.
- Brushed DC motors can generate electrical noise.
- Brushless DC motors are often more expensive compared to brushed DC motors.
6. Differences from Other Electric Motors:
DC motors differ from other types of electric motors, such as AC (Alternating Current) motors, in several ways:
- Power Source: DC motors require a DC power source, while AC motors operate from an AC power supply.
- Speed Control: DC motors offer precise speed control by adjusting the applied voltage, whereas AC motors typically rely on frequency control for speed regulation.
- Construction: DC motors use a commutator and brushes (in brushed DC motors) or electronic commutation (in brushless DC motors), while AC motors do not require commutation.
- Starting Torque: DC motors typically provide higher starting torque compared to AC motors.
Overall, DC motors are versatile and widely used in various applications due to their controllability, speed regulation capabilities, and simplicity. The advancements inpower electronics and motor control technologies have further enhanced the performance and efficiency of DC motors, making them a popular choice in many industries.

Can DC motors be used in renewable energy systems, such as wind turbines or solar tracking systems?
Yes, DC (Direct Current) motors can be effectively used in various renewable energy systems, including wind turbines and solar tracking systems. The unique characteristics and advantages of DC motors make them well-suited for these applications. Here’s a detailed explanation of how DC motors can be utilized in renewable energy systems:
1. Wind Turbines:
DC motors can be employed in wind turbines to convert the mechanical energy of the wind into electrical energy. There are two common configurations:
a. Direct Drive Wind Turbines:
In direct drive wind turbines, the rotor of the turbine is directly connected to a DC generator. The rotor’s rotational motion is transmitted directly to the generator, which produces DC electrical power. DC motors can be used as DC generators in this configuration. The advantage of using DC motors/generators is their simplicity, reliability, and ability to operate efficiently at variable speeds, which is beneficial in varying wind conditions.
b. Hybrid Wind Turbines:
Hybrid wind turbines combine both aerodynamic and electrical conversion systems. In this configuration, DC motors can be utilized for the pitch control mechanism and yaw control system. The pitch control mechanism adjusts the angle of the turbine blades to optimize performance, while the yaw control system enables the turbine to align itself with the wind direction. DC motors provide precise control and responsiveness required for these functions.
2. Solar Tracking Systems:
DC motors are commonly employed in solar tracking systems to maximize the efficiency of solar panels by optimizing their orientation towards the sun. There are two main types of solar tracking systems:
a. Single-Axis Solar Tracking Systems:
Single-axis solar tracking systems adjust the inclination of solar panels along a single axis (typically the east-west axis) to track the movement of the sun throughout the day. DC motors can be used to drive the rotation mechanism that adjusts the panel’s tilt angle. By continuously adjusting the panel’s position to face the sun directly, the solar energy harvested can be significantly increased, resulting in higher energy output compared to fixed solar panel installations.
b. Dual-Axis Solar Tracking Systems:
Dual-axis solar tracking systems adjust the inclination of solar panels along both the east-west and north-south axes to track the sun’s movement throughout the day and throughout the year. DC motors are utilized in the rotation mechanisms for both axes. This type of solar tracking system provides the highest possible energy yield by keeping the solar panels perpendicular to the sun’s rays at all times, maximizing the exposure to sunlight.
DC motors are preferred in renewable energy systems due to their advantages, including:
- Efficiency at Variable Speeds: DC motors can operate efficiently at varying speeds, making them suitable for applications with fluctuating wind speeds or changing solar angles.
- Control and Precision: DC motors offer precise control and responsiveness, allowing for accurate tracking and adjustment in wind turbines and solar tracking systems.
- Reliability: DC motors are known for their reliability, with fewer moving parts compared to other motor types, reducing the risk of failure in remote or harsh environments.
- Compatibility with Energy Storage Systems: DC motors can easily be integrated with energy storage systems, such as batteries or supercapacitors, to store excess electrical energy generated by wind turbines or solar panels.
In conclusion, DC motors can be effectively utilized in renewable energy systems such as wind turbines and solar tracking systems. Their efficiency, control capabilities, reliability, and compatibility with energy storage systems make them a suitable choice for these applications, contributing to the advancement of sustainable energy generation.

Can DC motors be used in robotics, and if so, what are some notable applications?
Yes, DC (Direct Current) motors can be used in robotics, and they are widely employed in various robotic applications. DC motors offer several advantages that make them suitable for robotic systems, including their controllability, compact size, and versatility. Here’s a detailed explanation of how DC motors are used in robotics and some notable applications:
DC Motors in Robotics:
DC motors are commonly used in robotics due to their ability to provide precise speed control and torque output. They can be easily controlled by adjusting the voltage applied to the motor, allowing for accurate and responsive motion control in robotic systems. Additionally, DC motors can be designed in compact sizes, making them suitable for applications with limited space and weight constraints.
There are two main types of DC motors used in robotics:
- DC Brushed Motors: These motors have a commutator and carbon brushes that provide the electrical connection to the rotating armature. They are relatively simple in design and cost-effective. However, they may require maintenance due to brush wear.
- DC Brushless Motors: These motors use electronic commutation instead of brushes, resulting in improved reliability and reduced maintenance requirements. They are often more efficient and offer higher power density compared to brushed motors.
Notable Applications of DC Motors in Robotics:
DC motors find applications in various robotic systems across different industries. Here are some notable examples:
1. Robotic Manipulators: DC motors are commonly used in robotic arms and manipulators to control the movement of joints and end-effectors. They provide precise control over position, speed, and torque, allowing robots to perform tasks such as pick-and-place operations, assembly, and material handling in industrial automation, manufacturing, and logistics.
2. Mobile Robots: DC motors are extensively utilized in mobile robots, including autonomous vehicles, drones, and rovers. They power the wheels or propellers, enabling the robot to navigate and move in different environments. DC motors with high torque output are particularly useful for off-road or rugged terrain applications.
3. Humanoid Robots: DC motors play a critical role in humanoid robots, which aim to replicate human-like movements and capabilities. They are employed in various joints, including those of the head, arms, legs, and hands, allowing humanoid robots to perform complex movements and tasks such as walking, grasping objects, and facial expressions.
4. Robotic Exoskeletons: DC motors are used in robotic exoskeletons, which are wearable devices designed to enhance human strength and mobility. They provide the necessary actuation and power for assisting or augmenting human movements, such as walking, lifting heavy objects, and rehabilitation purposes.
5. Educational Robotics: DC motors are popular in educational robotics platforms and kits, including those used in schools, universities, and hobbyist projects. They provide a cost-effective and accessible way for students and enthusiasts to learn about robotics, programming, and control systems.
6. Precision Robotics: DC motors with high-precision control are employed in applications that require precise positioning and motion control, such as robotic surgery systems, laboratory automation, and 3D printing. The ability of DC motors to achieve accurate and repeatable movements makes them suitable for tasks that demand high levels of precision.
These are just a few examples of how DC motors are used in robotics. The flexibility, controllability, and compactness of DC motors make them a popular choice in a wide range of robotic applications, contributing to the advancement of automation, exploration, healthcare, and other industries.


editor by CX 2024-05-14