gear technology

Through the method proposed in this paper, the feature extraction of gear uniform wear fault is carried out, and the […]

The following figure shows the comparison of EHL central stress and maximum Hertz stress calculated by fitting formula under different […]

According to the definition of mechanics of materials: under the action of external force, the energy stored in elastic body […]

Figure a) shows the influence of load torque T2 on the rattling state of gears. It can be seen from […]

The ratio of the amplitude Kr to the average value K0 in the formula is defined as the amplitude coefficient […]

The variation law of gear vibration state with the eccentricity of reducer variable speed integrated gear is studied. Figure a) […]

Figure a) shows the influence of static error amplitude Er on gear slapping state. With the increase of static transfer […]

Speed is one of the external load parameters in gear system. Under theoretical conditions, gear slapping behavior will be more […]

We discuss the dynamic characteristics of the dynamic response of gears in time domain and frequency domain in three different […]

Because the stiffness excitation and error excitation only select the first harmonic, the r = 1 of SSI = 0 […]

Since the gear tooth is simplified as a cantilever beam with variable cross-section, the stress distribution of the gear tooth […]

The transmission ratio of the reducer variable speed integrated gear is as follows: Where ε is the eccentricity. The expressions […]

In the system of equations Si, the coefficient Zi of the steady-state response q is the unknown quantity to be […]

The sensitivity of parameters is very important to the dynamic design and optimization of gear system. There are three commonly […]

In addition to the static transmission error, time-varying meshing stiffness and other internal excitation will affect the vibration of the […]

Figure a) shows the influence of the average value of gear meshing stiffness K0 on the response peak to peak […]

The static transmission error is one of the main excitations in gear transmission. It can be seen from the figure […]

The eccentricity ε determines the variation range of the transmission ratio of the reducer variable speed integrated gear. The larger […]

When the diagram shows the dynamic response peak to peak value with the input speed change law curve. When the […]

From the basic parameters, the time-domain response curve of the reducer variable speed integrated gear obtained by harmonic balance method […]

Considering the harmonic balance between the left and right sides of the formula, the angular acceleration term on the right […]

(1) Eccentricity, input speed and error amplitude have great influence on the rattle state of the gear pair. With the […]

When calculating the sensitivity of each parameter, other parameters remain unchanged. According to the data of noncircular gears in table […]

It can be seen from the formula that the harmonic components of ω C and N ω e (n is […]

In the formula, although the meanings of R2 (T) cos α inside and outside the brackets are different, the results […]

The tooth meshing error produced in the process of gear machining and installation is a kind of displacement type dynamic […]

The influence of stiffness excitation is directly reflected in the time-varying coefficient of elastic force term in the dynamic model […]

The circular gear mainly includes two kinds of internal excitation stiffness excitation and error excitation. As the power transmission of […]

Gear backlash is the amount of circumferential shaking of another gear when one gear is fixed, which is calculated by […]

The knocking dynamics of the vehicle transmission includes two aspects: one is the knocking in neutral, i.e. the knocking produced […]

Transmission error is the main excitation of gear vibration. It combines the influence of meshing time-varying stiffness and manufacturing error, […]

To analyze the influence of gear displacement coefficient, it should be divided into equal displacement, unequal positive displacement and unequal […]

Figure 1 shows the variation trend of sliding rate with gear modulus in standard drives with the number of teeth […]

As far as the gear in place measurement is concerned, the common problem is how to accurately determine the position […]

The diameter of the oversize gear is large, the number of teeth is large, and the inertia is large. If […]

In addition to the lubrication of gears and bearings, ATF is also used for the lubrication and cooling of hydraulic […]

1. Spraying technology of superfine composite materials In recent years, Chinese and Japanese companies have studied and applied the spraying […]

The machining method of the eccentric modification gear generated by the modification method is the same as that of the […]

Molybdenum disulfide (MoS2), as a high quality solid lubricating material, has good antifriction, antiwear and bearing capacity. Molybdenum disulfide (MoS2) […]

The transmission between the eccentric gears will produce the change of backlash. Therefore, when calculating the coefficient of deflection of […]

The application of manganese phosphate conversion coating technology in improving the surface strength of transmission parts first appeared in improving […]

Gear is an important part to transmit power in mechanical devices. The Japanese mechanical society has carried out systematic investigation […]