gear crack

Although the emergence of fracture mechanics has only been half a century, with the unremitting efforts of scholars all over

1. Influence of parts on cyanidation process Due to the need of infiltration layer, the gear parts of this type

The design accuracy of gear pair of fuel oil gear pump is high, and the gear accuracy generally reaches level

Fuel gear pump is a kind of product that relies on the change of working volume formed between the pump

Gear drive is widely used in heavy industry and manufacturing industry, and is often used as reducer, speed increaser, differential,

According to the calculated stress intensity factors, the results of stress intensity factor analysis show that ki is the largest,

The research content of gear crack and the research status of gear stress intensity factor at home and abroad are

There are many methods to study the crack propagation of gears. The following summarizes four common methods to simulate the

Wu Jiateng et al. Proposed a new analytical finite element method to solve the time-varying meshing stiffness of tooth root

Sun Huagang and others used ANSYS finite element method to obtain the comprehensive meshing stiffness under different crack positions. The

The crack of gear directly affects the time-varying meshing stiffness, and then affects the vibration response characteristics and dynamic characteristics

Gear cracks are mainly divided into root cracks and indexing circle cracks. In 2009, chaari et al. Proposed for the

Gear transmission system, as a device for transmitting motion and power, has been widely used in various machines and mechanical

Causes of gear cracking The pitch drive system is placed in a high altitude, and the planetary gear of pitch

Pitch reducer is widely used in wind power generation system. Its working characteristics are frequent start and stop of intermittent

Through grinding and polishing, and observing under optical microscope, it is found that the middle part of the crack is

After quenching and bluing treatment, fracture inspection and Bluing test are conducted after longitudinal fracture of steel. Through observation, it

The instrument model used for ultrasonic flaw detection is cts-1002 digital ultrasonic flaw detector. As the diameter of steel is

The gear hub is assembled in the drive gearbox of railway vehicles. The material used is 42CrMo4 and the specification

The figure shows the frequency domain diagram of bearing 1 and bearing 3 when root crack and raceway fault occur

The figure shows the frequency domain diagram of bearing 1 and bearing 3 when root crack and raceway fault occur

The figure shows the frequency domain diagram of bearing 1 and bearing 3 when root crack and outer raceway fault

Domestic scholars have also carried out relevant research on the root crack fault mechanism. Shao Renping established the gear dynamic

In the process of gear meshing, the loaded tooth is like a cantilever beam. The pulse cyclic stress on the