Shanghai Nuoguang processes spur gears, helical gears, bevel gears, etc. within module 10

Helical gears
Helical gears are not exactly helical gears. It should be said that helical gears are the meshing mode of two helical gears, which are distinguished by the different directions in which they transmit force in space. Ordinary spur gears enter mesh at the same time along the tooth width, resulting in impact vibration noise and unstable transmission. Helical cylindrical gear transmission is better than spur gears, and can have a compact center distance for high speed and heavy loads. Helical gear reducer is a novel reduction transmission device. Adopting the advanced design concept of optimized and modular combination system, it has small size, light weight, large transmission torque, smooth starting, fine transmission ratio classification, and can be selected for any connection and multiple installation positions according to user requirements.
Advantages and disadvantages of helical gears
, Because the meshing surface is small in size, the meshing is smooth, the impact is small, and the noise is small
, large load-bearing capacity, improved life and stability
, small is not easy Undercut, small volume, but large axial thrust. Herringbone gear has no axial thrust, but it is troublesome to manufacture.
Spur gear
Spur gears are often used in situations where the two gear shafts are parallel to each other. The manufacturer specializes in processing and customizing spur gears. Shanghai Nuoguang processes various types of spur gears with the best product quality and the most reasonable price. Compared with helical gears, it is used for gear transmission. Its tooth root height is equal to a module, and its tooth addendum height is equal to a module. . means that the module of the gear is . The module is an important parameter of the gear, indicating the size of the tooth shape. The larger the module, the larger the gear tooth shape. Spur gears are a classification method of gears. According to the relative position and tooth direction of a pair of gear axes (whether two weeks are parallel), they are divided into plane gear rotation and space gear rotation. According to the working conditions of the gears, they can be divided into open transmission and closed transmission. According to the shape of the gear teeth or tooth profile, the transmission is divided into straight teeth, helical teeth, herringbone teeth, or straight teeth and curved teeth. The products are widely used in hardware, molds, mechanical transmission and other occasions.
The main differences between spur gears and helical gears are the following points. It can be said that they are not the same kind but only one type of product.
Due to manufacturing errors, the instantaneous speed of spur gear transmission changes. Mainly at the moment when the gear teeth mesh in and out, uneven speed changes due to manufacturing errors will occur, resulting in polygon effects and helical gears. The gear teeth are meshing in and out at all times, with no meshing blind spots, thus ensuring the uniformity of speed, and the operation appears to be very smooth.
Comparing spur gears and helical gears
Helical gear transmission has a gradual in and out transmission between the teeth. Spur gear transmission is a period of time (very short) after the first pair of teeth leave, the next The gear teeth only mesh, and the coincidence degree is larger than that of spur gears. In this case, helical gear transmission is relatively stable, while spur gear transmission is prone to sudden vibrations and is not suitable for heavy loads
. Because the gear teeth are oblique, so in During transmission, helical gear transmission can generate a certain axial force, so the helical gear can withstand both radial force and axial force, but the spur gear chamber cannot meet this requirement
Based on the above two points, In terms of load-bearing and transmission, helical gear transmission is smoother than spur gears, has lower noise, can withstand heavy loads, can withstand considerable axial loads, has a longer service life, and has much stronger transmission capacity than spur gears. This is why many machine tools use helical gear transmission instead of spur gear transmission between transmissions
Bevel gears
Bevel gears can be divided into two types: spur bevel gears and spiral bevel gears. The tooth surface is treated with high frequency, and the surface is blackened or galvanized. The bevel gear has high transmission efficiency, stable transmission ratio, large arc overlap coefficient, high load-bearing capacity, smooth transmission, reliable operation, compact structure, energy and material saving, space saving, wear resistance, long life and low noise. We welcome drawings, samples, and materials for processing. Among various mechanical transmissions, the transmission efficiency of spiral bevel gears is the highest. It has great economic benefits for all types of transmissions, especially high-power transmissions. The transmission parts required to transmit the same torque require the least space, and are more space-saving than belts and chains. The space required for transmission is small, and the transmission ratio of spiral bevel gears is permanently stable. Stable transmission ratios are often the basic requirements for transmission performance in the transmission of various mechanical equipment. Spiral bevel gears work reliably and have a long life. Products are mainly used in mechanical transmission fields such as ships, port equipment, environmental protection, construction machinery, mining, cement, chemicals, coal, metallurgy, textiles, rubber, plastics, and electricity.
, All types of bevel gears are welcome to submit drawings and samples for processing
, Bi’s bevel gears can only be used exclusively, and cannot be mixed with Bi’s bevel gears or other modules
, Bevel gears are iron Parts, no surface treatment, there may be rust, it is not a quality problem, and it is not a second-hand repair product
Because the batches are different, the actual size may change without further notice. Please place the order if you have strict requirements. Please check the size.