What are the advantages of the double enveloping worm gear reducers?

In the mechanical transmission industry, the planetary gear reducer is like a shining pearl, attracting the attention of the entire industry. The double enveloping worm gear reducer, a transmission device invented by the Chinese, is more like a "rising star". Although it is not so famous, it also plays a significant role in the mechanical transmission industry.

So, what exactly is a double enveloping worm gear reducer? What are its advantages? Does SGR manufacture double enveloping worm gear reducers?

(1) What is a double enveloping worm gear reducer?

The double enveloping worm gear reducer is a new transmission device with large bearing capacity, high transmission efficiency, compact and reasonable structure. This reducer has been widely used in various transmission machinery for speed reduction transmission, such as metallurgy, mining, lifting, chemical industry, construction, rubber and plastic, shipbuilding and other industries as well as other mechanical equipment.

The main components of the double enveloping worm gear reducer are worm and worm wheel. As the worm rotates, it drives the worm wheel. Because of the double enveloping design, the force is distributed over several teeth at once, reducing wear and increasing the efficiency of power transmission. The increased number of teeth in contact also helps to reduce noise and vibration, providing smoother operation.

The applicable working environment temperature of the double enveloping worm gear reducer is -40℃~+40℃, the input shaft speed is not more than 1500 rpm, and the worm shaft can rotate in both forward and reverse directions.

(2) Does SGR manufacture double enveloping worm gear reducers?

Yes, and the double enveloping worm gear reducer is one of the main products of the planetary gear reducer factory SGR.

In the product development and design of the double enveloping  worm gear reducer, SGR has established close cooperation with some relevant universities in China. From the design, process to production, assembly and testing methods of the double enveloping toroidal worm reducer, a systematic study has been carried out, striving to promote this new power transmission technology invented by the Chinese.

The gearbox manufacturer SGR can also customize the key transmission components of the plane double enveloping toroidal worm reducer for customers.

The characteristic of SGR’s double enveloping worm gear reducer is that there is multi-tooth meshing between the worm and the worm wheel. The worm is made of 20CrMnTi carburized and quenched before grinding. The worm wheel is made of high-performance alloy bronze, which can maintain long-term wear resistance, high transmission efficiency and long life. Compared with the cylindrical worm and worm wheel pair of the same specifications, the load-bearing capacity and transmission efficiency of the double enveloping worm gear reducers are significantly improved. Under the condition of large speed ratio, it has mechanical self-locking performance, which can effectively improve the safety performance of the lifting machinery;

(3) Advantages of the double enveloping worm gear reducers in general

In general, the double enveloping worm gear reducer has the following advantages over other types of reducers:

High transmission ratio and high precision.The transmission ratio of the double enveloping worm gear  reducer is usually high, which can reach dozens or even hundreds of times, and is suitable for occasions requiring a large transmission ratio. Due to the precise structure and high processing requirements of the double enveloping worm gear reducer, it has high precision and can meet the requirements of high-precision transmission.

Good stability and Small size.Since the gear transmission part of the double enveloping worm gear reducer adopts worm gear transmission, it has good stability during the transmission process.Compared with other types of reducers, the double enveloping worm gear reducer has a compact structure and small size, which can meet the application requirements of space constraints.

High efficiency and low noise. Due to the compact structure, high transmission accuracy and relatively high transmission efficiency of the double enveloping worm gear reducer, the efficiency of the mechanical system can be improved. Since the transmission part of the double enveloping toroidal worm reducer adopts worm gear transmission, the noise during transmission is relatively low, which can improve the working environment of the mechanical system.

Besides, the double enveloping worm gear reducers also have the advantage of self-locking capability. Similar to other worm gear designs, the double enveloping worm gear reducers often have self-locking properties that prevent the driven side from turning the driving side, which is beneficial in lifting mechanisms and safety-critical applications.(Author, SGR, Angie Zhang)

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