mechanical gears description and applications

 What are mechanical gears and their application markets

Gear transmission system is widely used in various industrial products and equipment, from design, manufacturing, and testing to application, forming their own technical field. In addition to metal cutting gears, in recent years, with the development and manufacture of high-tech products such as commercial machinery, 3C industry, intelligent machinery, plastic, powder metallurgy, and other non-cutting gears and non-metal cutting applications of precision pinion transmission mechanisms is increasing.

What is gear?

A gear or gear is a mechanical part with teeth on the rim that continuously meshes and transmits motion and power. Gears rely on the meshing of teeth to transmit torque. Gears are driven together with other toothed mechanical parts (gears, racks, worm gears). The transmission method is meshing transmission, which can realize the function of changing speed and torque, changing the direction of motion, and changing form of motion. The gear mechanism is widely used in industrial products because of its high transmission efficiency, accurate transmission ratio, and large power range.

What is the role of gears?

In the friction wheel transmission mechanism, if the positive pressure is not enough, the driving part will not have enough friction to drive the driven part, if the positive pressure is too large, it will occur slippage. Therefore, the edge of the wheel surface of the friction wheel according to a certain curve made of teeth, is used to replace the rolling cylindrical friction wheel. When the friction wheel move, this part is called a gear.

In industry, the main role of gears is to transmit power, and their applications are very wide. Gears are used in a wide range of applications, from the transmission mechanism of automobiles to mechanical watches.

Gears can be used to transmit large torques efficiently in a very small structure, and even very small amounts of power can be transmitted smoothly.

Low qty gears and high-precision gears can be made by CNC machining, laser cutting

Large qty can be made by die casting and machining.

Main application areas of the gear industry:

China's gear industry can be broadly divided into five categories: precision mechanical gears, automotive gears, reduction gears, precision pinion gears, and large gears.

1, precision machinery gears mainly supply machine tools, textile machinery, printing machinery, rubber and plastic machinery, fluid pumps, etc., the important key equipment is the gear grinding machine, precision often requires JIS 1 or 0 or even higher.

2. Automotive gears are mainly supplied to automobiles, locomotives, agricultural machinery, and scooters; the main processing equipment for hobbing machines, gear scraping machines, and gear shaving machines, belonging to the medium and large production type, high automation requirements, the application of higher production value and output value.

3. The main products of reducers are worm gear reducers and gear motor reducers, etc., which are widely used in various industries of machinery and equipment. In addition to supplying part of the domestic market, most of them are exported. In addition, the composition of cooperative factories, parts inventory, and assembly management are also a feature of this industry.

4. Fine gears are gears with a modulus of 1.0 or less. Most of these gears have only hardened and tempered materials with a low degree of hardening. However, because the number of teeth of the active gear shaft is small, especially the noise, the speed and quality of precision hobbing procedures are relatively high, and high-grade carbide hobbing cutters and high-speed hobbing machines are often used.

5. Large gear industry refers to the gear factory that can produce gears of more than one meter in diameter. In addition to hobbing or milling, after heat treatment and hardening, a further finishing process is required to meet the requirements of accuracy and life. These large gears are mostly used in petrochemical, mining research, cement, shipbuilding, sugar, steel, and other factory machinery.

The gear industry has a wide range of applications and has become a very important processing link in the machinery manufacturing industry. High-quality and high-precision gear components are installed in a variety of mechanical equipment, such as machine tools, industrial machinery, locomotives, power tools, etc..

In many new machinery and equipment, the use of gears is gradually decreasing, but in response to the new energy, energy saving, high precision, and high-speed industrial demand, the application of gear transmission mechanisms is still increasing. Especially in the case of unbalanced oil demand and steadily rising prices, the development of new energy sources and energy-saving methods will become increasingly urgent. Therefore, such as speed increasers for wind power generation and more fuel-efficient manual automatic transmissions are likely to become mainstream products in the future. In addition, high-precision products such as high-speed ratio gearboxes, metering gear pumps, high-load worm-gear reducers, and instrument-grade indexing discs are also worthy of industrial investment.