Laifual Drive Harmonic Gearbox

Laifual harmonic gearbox, ingenuity manufacturing drives the future

Harmonic Gearbox

How does a Harmonic Drive Work?

The rotation movement comes from the input shaft, which can be a servo motor shaft. This is connected to an element called "harmonic wave generator", which has an elliptical shape and is surrounded by an elliptical ball bearing. When the axis rotates, the edge changes position, so it looks like a motion wave is being generated. The part is inserted into a flexible spline made of torsionally rigid but flexible material. The material absorbs this fluctuation by bending and forming an ellipse according to the rotation of the input shaft. The outer edge of this flexible spline has gear teeth suitable for transmitting high loads without any problems. In order to transmit these loads, the flexspline is installed in a circular spline, which is a circular gear with internal teeth. The outer ring is rigid, and its inner diameter is slightly larger than the main axis of the ellipse formed by the flexspline. This means that the circular spline does not assume the elliptical shape of the other two components, but simply meshes its inner teeth with the teeth on the outer flexspline, causing the flexspline to rotate.

The speed depends on the speed of the input shaft and the difference in the number of teeth between the flexspline and the circular spline. The number of teeth of the flexspline is less than that of the circular spline, so it can rotate in the opposite direction at a smaller rate than the input shaft. The reduction ratio is: (the number of flexspline teeth-the number of circular spline teeth)/the number of flexspline teeth. The difference in the number of teeth can be changed to adapt to different reduction ratios, thereby adapting to different professional needs and requirements of the harmonic gearhead. Contact us for more harmonic drive details.

Harmonic Drive VS Planetary Gear

Planetary reducer is also known as planetary gear reducer. The gear structure is composed of sun gear, planetary gear, outer ring gear, planet carrier and drive shaft, and it adopts rigid gears; planetary gear structure reducer is usually composed of multi-stage planetary gears. The deceleration is achieved by a large gear on the output shaft of the gear with a small number of teeth meshes. The reducer is a rigid drive device used for low speed and high torque.

The drive structure of the harmonic reducer is composed of three basic components: a fixed inner toothed rigid wheel, a flexible wheel, and a wave generator that radially deforms the flex wheel. The harmonic reducer is composed of a fixed inner tooth rigid wheel, a flexible wheel and a wave generator that makes the flexible wheel radially deform. It has the characteristics of high precision and good bearing capacity, compared with ordinary reducers.

The planetary reducer and harmonic reducer are mainly different in structure. The planetary reducer has rigidity, and the structure of the harmonic reducer adopts rigid and flexible gear meshing drive. Compared with planetary gearbox, harmonic drive has the advantages of higher precision, larger transmission ratio, small size, light weight, high transmission efficiency, no impact, and low noise.

Strain Wave Gear Applications

Laifual Drive's strain wave gearbox are used in a wide range of applications, whether it's in robots, automation equipment, medical equipment, aerospace and etc. Different applications utilize different advantages of the harmonic gearing technology.

Medical Equipment

Laifual Drive's high precision combined with a compact body makes us be the ideal solution provider to the medical industry. Reliable, cost-effective to make our future brighter.

Robots/Humanoid Robots

Laifual Drive's high precision motion control technology and advanced products are widely used for robotics. We are proud to offer complete motion control solutions to robotic applications worldwide.

Optical Machines

Laifual has rich experience in precision motion control solutions. Our high precision harmonic reducer has the characteristics of low-temperature rise, low starting torque, high reliability, big torque, long lifetime, big speed ratio, small size, etc., which can be widely used for precise applications in the machine tool industry.

Aircraft

Harmonic gearbox's reliability and quality make it possible in the defense industry. Special materials, extremely light constructions, or dry lubrication are required for aerospace and defense purposes.

Semiconductor Manufacturing Systems

Laifual's products have high durability and precision. Our customized solutions will allow you to obtain top performance and minimize the overall machine costs.

Communication Equipment

The food & beverage sector is an industrial area that plays a major role in the world economy, as well as in that of the individual countries. The major companies that manufacture machinery in the field choose to use our gear reducers for their high performance, reliability, easy maintenance, and handling.

As a gearbox company, we will provide more kinds of related products for sale, anything you need, please contact us.

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