Our company specializes in providing customers with the design of drum-shaped gear couplings. Currently, we provide products for 

high-end customers to use in high-precision, high-speed, and harsh working conditions. Today I bring customers a drum-shaped gear 

coupling under high-speed operation. The structure and manufacturing process of the device.

First of all, let's popularize the situation of drum gear movement. Drum gear couplings are suitable for various industries such as 

smelting, steel rolling, heavy machinery, steam turbines, petrochemical industry, and shipbuilding. It is more widely used in metallurgy, 

chemical industry, printing, water pumps, fans, transportation and other mechanical fields. Because the external gear sleeve is a 

drum-shaped tooth, the coupling can avoid angular contact between the internal and external teeth during operation, allowing the axis 

angular displacement of the two axes to be ±1.5°. It can also work reliably when the angular displacement is 2~3°. It is generally 

recommended to allow angular displacement of 1°30'~2°30', and can withstand heavy loads and impact loads. Under the same angular 

displacement, the load-bearing capacity is 15~20% higher than that of spur couplings; the efficiency is high, up to 0.99; It has good 

sealing performance, reliable use, and convenient loading, unloading and maintenance.

The drum gear coupling is a rigid-flexible coupling with the ability to compensate for radial, axial and angular axis deviations. Compared 

with the CL type spur gear coupling, it has a compact structure, small radius of rotation, It has the advantages of large load-bearing capacity, 

high transmission efficiency, low noise and long maintenance cycle, and can be connected with Y and J1 type shaft extensions. The tooth 

spacing is small, the relative radial displacement is allowed to be small, the structure is compact, and the moment of inertia is small. It is 

suitable for nominal torque 400-4500000N.m, connecting two horizontal coaxial line shaft system transmissions. Another point is the 

installation method, drum-shaped gear coupling Compared with diaphragm couplings, shaft couplings can be installed vertically, while 

diaphragms can only be installed horizontally. Based on the above characteristics, drum-shaped gears are now commonly used instead of 

spur-toothed couplings.

Under the condition of high-speed operation, the drum-shaped teeth need to be made of alloy steel as a blank. After a heat treatment process, 

the tooth parameters are processed and the finished product is nitrided. After that, the teeth are ground with a small margin to achieve the 

manufacturing of high-precision products.