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What are the applications of strain wave gear in robots?

update:2024-06-03
abstract:1. Robotic arms and manipulators:Strain wave gears play a key role in the joints of robotic arms and...

1. Robotic arms and manipulators:
Strain wave gears play a key role in the joints of robotic arms and manipulators. Due to their high torque and high-precision control capabilities, they are suitable for a variety of precision operations, such as assembly, welding, spraying, and material handling. These tasks often require robots to have high precision and repeatability, and strain wave gears are able to provide backlash-free motion, making the positioning of each joint very accurate. In addition, the compact design of strain wave gears helps to reduce the overall weight and volume of the robot arm, thereby improving its flexibility and range of operation. Especially in applications that require small size but high performance, such as microelectronics assembly and medical device manufacturing, the advantages of strain wave gears are more obvious.

2. Humanoid robots:
In humanoid robots, strain wave gears are an indispensable component, especially in joints such as shoulders, elbows, hips, and knees. Humanoid robots need to simulate human movements, and the smoothness and precision of their movements are crucial. Strain wave gears provide the necessary torque and precise control, allowing humanoid robots to achieve natural and flexible movements. For example, in human-machine interaction scenarios, such as home assistant robots or nursing robots, humanoid robots need to perform complex tasks such as grasping, handling and fine manipulation, which require very high precision in motion control. The high precision and backlash-free characteristics of strain wave gears ensure the stability and reliability of humanoid robots when performing these tasks.

3. Industrial robots:
In industrial automation, strain wave gears are widely used in robots that require high precision and high repeatability, such as pick-and-place operations, CNC machining and automated inspection systems. Industrial robots often work under high load and high-speed operating conditions, and the high torque capacity and long life of strain wave gears make them an ideal choice. These gears not only provide stable motion control, but also maintain high performance in harsh industrial environments. For example, in the automotive manufacturing industry, robots need to perform operations such as welding, assembly and painting, which require  high stability and precision in motion control. Strain wave gears can ensure that these robots maintain performance in long-term high-intensity work.

4. Medical robots:
In surgical robots and rehabilitation equipment, strain wave gears provide the required precision and reliability. Surgical robots need to perform minimally invasive surgeries in small spaces, and require high precision in motion control. Strain wave gears can achieve precise motion control without backlash, ensuring that every subtle movement during the operation is accurate. In addition, rehabilitation robots are used to assist patients in functional recovery training, and need to ensure smooth and stable movement while providing appropriate resistance. The high torque output and precise control of strain wave gears enable rehabilitation robots to provide personalized and safe rehabilitation training according to the needs of patients.

5. Service robots:
Service robots include cleaning robots, delivery robots, and various other types of autonomous robots for services, which work in dynamic and unpredictable environments. The precision and durability of strain wave gears are essential for the efficient operation of these robots. For example, cleaning robots need to navigate and clean in complex home environments, requiring flexible movement capabilities and high-precision positioning. Delivery robots perform delivery tasks in public places or office buildings, requiring stable motion control and reliable load capacity. Strain wave gears can provide stable and reliable performance in these changing environments, allowing service robots to complete tasks efficiently and accurately.

6. Space Robots:
In space exploration robots and satellite mechanisms, strain wave gears are widely used due to their high reliability and performance in environments. The space environment is  harsh, including  temperatures, vacuum and radiation, which poses severe challenges to the performance of mechanical components. Strain wave gears can work stably under these  conditions, ensuring the precise movement and control of space robots. For example, the robotic arms on the space station need to perform operations such as docking, repair and loading, which require high control accuracy and reliability. The high precision and zero backlash characteristics of strain wave gears ensure the stability and reliability of space robots when performing complex tasks.

7. Collaborative Robots (Cobots):
Collaborative robots are designed to work with humans. With the precision and safety characteristics of strain wave gears, these robots can provide precise and safe collaboration in various tasks. Collaborative robots are often used in manufacturing, healthcare and service industries to assist humans in complex or repetitive tasks. The high precision and zero backlash characteristics of strain wave gears ensure the accuracy and reliability of collaborative robots when performing tasks, avoiding potential safety issues caused by mechanical errors. For example, collaborative robots on electronic product assembly lines can work with human workers to perform precise installation of tiny components, improving production efficiency and product quality.

8. Exoskeletons:
Wearable robotic exoskeletons are used for rehabilitation or to enhance human strength, requiring compact, lightweight and efficient motion control systems. Strain wave gears provide the necessary torque and precise control, enabling exoskeletons to assist natural and effective movement. For example, exoskeletons used for rehabilitation can help stroke patients or spinal cord injury patients relearn to walk by precisely controlling joint movement, providing appropriate support and resistance, and promoting nerve and muscle recovery. Exoskeletons used for industrial enhancement can help workers carry heavy objects, reduce workload and fatigue, and improve work efficiency and safety. The high-performance characteristics of strain wave gears enable these exoskeleton devices to provide reliable and effective assistance in a variety of application scenarios.

DURABLE ULTRA-THIN HARMONIC DRIVE SERIES ADSD-I

Item No.: ADSD-14/17-I
Brand Name:Arcsec Drive
Material: Iron, Stainless steel
Place of Origin:zhejiang, China
product name : HARMONIC DRIVE
This miniaturized product was developed according to the marketing demand. Compare with ADS series that with the same torque capacity, ADSD series is more compat and thin-walled, smaller size.

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