1. Introduction Permanent magnet gears have gained significant attention in recent years due to their unique advantages such as contact […]
Introduction Through the layout of energy resources in our country, coal resources still dominate and will not change in the […]
Mechanical transmission devices are developing towards high power density and high integration. Therefore, reducing the volume of gears and improving […]
As a positive displacement hydraulic machinery, the circular arc swing internal meshing gear pump has an inner rotor tooth profile […]
Introduction The aviation high-speed gear pump is an important power output device in the aircraft hydraulic system. In order to […]
In recent years, with the booming development of the domestic automobile market, the number of cars in China has been […]
Fntroduction Gear transmission is the most widely used transmission method in many mechanical devices, so the impact of gear failure […]
Introduction Planetary gearboxes are widely used in aerospace equipment such as robots, wind turbines, ships, heavy equipment, and helicopters. During […]
Introduction The thermal deformation and contact load of gears during transmission can cause meshing dislocation, which is an important factor […]
Introduction Planning and constructing a multi-level and different-standard rail transit network is an important measure to promote the implementation of […]
Introduction The G321 gearbox is used for the assembly of the bullet train. The schematic diagram of the gearbox structure […]
Introduction The shield machine plays an increasingly important role in the construction of underground projects. As the core component of […]
High load gear plays a crucial role in modern machinery across various industries. Let’s delve into its significance and applications: […]
In recent years, visual measurement has been widely applied due to its high speed, non-contact and other characteristicsIntelligent measurement fields […]
As an important navigation facility of the Three Gorges Water Control Project, the ship liftOne of the important components of […]
The structure and working principle of the gear transmission system determine the mechanicalThe reliability of the transmission and the contact […]
With the continuous development of the automotive manufacturing industry, the gear property of electric vehicles has becomeWith the continuous improvement […]
Machinery and equipment play a vital role in coal mine production, once the failure will directly affect the normal operation […]
1 Meshing stiffness excitation Meshing stiffness is one of the important parameters of gear transmission system, taking the gear of […]
It is the central task of gear system dynamics to establish accurate dynamic model of gear system. Only by establishing […]
Due to the complexity of gear fault symptoms and signals, it is necessary to extract clear fault feature information on […]
Gear is a kind of mechanical part that transmits motion and power. The type and characteristics of gear not only […]
1) Additional pulse Sometimes it can be seen that the envelope lines at the upper and lower ends of the […]
Consider the following issues comprehensively： Whether the gear material meets the requirements Whether the accuracy of gear machining meets the […]
There are two ways to express the amplitude of spectrum: one is in the form of amplitude, which is called […]
① ② Selection of normal face modification coefficient of pinion Selection principles: (1) when the hardness of the gear surface […]
① Spiral angle of two gears: β1=0.5×（Σ-1） β2=β1 ② Two gear indexing cylinder helix angle: ③ Two gear base cylinder […]
There are many kinds of gear materials, and there are many factors to consider when selecting them. The following points […]
The common points of frequency modulation and amplitude modulation of gear vibration signal are as follows: ① The carrier frequency […]
As shown in Figure 1, is the mechanical model of the gear pair, in which the gear has a certain […]
There are not only meshing frequency and side frequency components in gear vibration signal, but also other vibration components. In […]
Quenching is to heat the alloy to the solution solution curve, keep it warm for a period of time, and […]
As we all know, gear is the key part of mechanical equipment, which is widely used in automobile, aircraft, tank, […]
There are 13 precision grades of gears, which are arranged from low to high by the numbers 0-12. Grade 0 […]
The main causes of gear damage can be roughly divided into: wear; pitting, peeling, carburizing layer fragmentation; fatigue; impact; corrugation, […]
