Installation error is a factor that is affected by changes in production conditions, environmental factors and time. It is characterized […]
There are many factors affecting spiral bevel gear transmission, such as error, meshing stiffness, backlash, etc., but only the error […]
In order to analyze the influence of variable tooth line radius on the contact stress of circular tooth line cylindrical […]
The contact stress of the tooth surface of the circular tooth line cylindrical gear is closely related to the tooth […]
The basic parameters of circular tooth profile cylindrical gear pair are listed in the table. Based on the 3D modeling […]
As shown in Figure (a), the tooth surface Σ of circular tooth profile cylindrical gear can be considered to be […]
At present, there are many machining methods of circular tooth profile cylindrical gears that can be queried, such as double-edge […]
The basic parameters of helical gear pair and diagonal modification are shown in Table 1 and Table 2 respectively. In […]
The coordinate transformation of the right tooth surface of the workpiece generated from the imaginary profile rack is shown in […]
The tooth top hardness of cracked spiral bevel gear is 61~62 HRC, which meets the technical requirements of 58~62 HRC […]
Firstly, the overall layout of the whole planetary gear transmission structure is carried out in CAD, and the plane layout […]
High speed and high pressure gear pumps are generally used in aerospace and require extreme weight. For the consideration of […]
As shown in Figure (a), the time-varying meshing force curve of the helical gear product of a certain enterprise before […]
Because the red lead powder will condense into blocks when it meets the engine oil, which will interfere with the […]
Fig. 1 and Fig. 2 show the flash temperature and contact temperature curves of a helical gear pair before and […]
The Hertz contact stress and transmission error of the helical gear products of an enterprise before and after the experience […]
Establish data transmission for the distributed load pressure on the rotating pair obtained from Fluent analysis, and import it into […]
Taking two pairs of empirical modified front and rear helical gear pairs provided by the enterprise as the research object, […]
(1) The influence of complex optimization modification scheme of large gear with long tooth profile and tooth crest involute+tooth direction […]
There are three kinds of optimal modification schemes for tooth profile drum shape, which are the modification amount of driving […]
The prototype of a second-order non circular gear differential is shown in Figure 1, mainly composed of non circular gears […]
The optimized profile modification scheme of the broken line arc on the tooth top of the long tooth profile is […]
The optimal modification scheme of the involute of the long tooth profile is the modification amount of the driving wheel […]
The non circular gear differential consists of a new type of spatial variable transmission ratio gear, as shown in the […]
The optimized modification scheme of the long tooth profile addendum arc is the modification amount of the driving wheel 5 […]
The linear optimization modification scheme of long tooth profile addendum is the modification amount of driving gear 3 μ m. […]
Figure 1 shows the influence curve of the pinion tooth width on the time-varying meshing force of the helical gear […]
The selection of pressure angle is directly related to the transmission quality of helical gear pair. The greater the pressure […]
For the transmission error on the Z2k axis of multiple pairs (k pairs) of fixed axis gear trains (Z1j, Z2j) […]
The rotor of the double arc helical gear pump adopts a double arc gear with a sine transition curve as […]
The first gear helical gear pair determines the maximum torque that an automotive automatic transmission can withstand, and it has […]
Ideally, the smaller the backlash, the smaller the meshing impact of the helical gear pair. However, too small backlash will […]
The factors that cause transmission errors in the spur gear system include manufacturing errors of the spur gear itself, tooth […]
The rotation direction of helical gears is classified using SVM support vector machine, which is a commonly used classification algorithm […]
The misalignment of helical gear meshing is a key factor affecting the stability and lifespan of the helical gear pair […]
Figure 1 shows the influence curve of the helix angle on the time-varying meshing force of the helical gear pair […]
Misalignment of meshing can lead to eccentric loading of helical gears, worsen the contact state of the tooth surface, and […]
Transmission error refers to the deviation between the actual output angle and the ideal angle of a helical gear along […]
The sliding coefficient is an important parameter to measure the relative sliding degree between the tooth surfaces of the meshing […]
The measurement of the modulus of helical gears requires first locating the center of the gear, commonly used methods include […]
Under ideal oil-lubricated meshing conditions, the big and small gear teeth will be completely separated by the oil film. At […]
The helical gear pair in the reduction box of electric vehicle is in oil lubrication state. The thicker the oil […]
As shown in the figure, the transmission error curve of helical gear with no modification, no 1 optimization and no […]
(1) Optimized profile modification of large and small gears+drum profile modification of tooth direction Figures 1, 2, 3, 4 and […]
To evaluate the accuracy and reliability of the helical gear parameter detection method, five sets of standard helical cylindrical gears […]
Figures 1, 2 and 3 show the drum shape modification of the big and small gears at the same time, […]
(1) Linear addendum optimization of long tooth profile Figures 1, 2 and 3 show the linear tooth top modification of […]
(1) Selection of long and short shaping methods Long modification refers to the repair and removal of the part from […]
Generally speaking, the coincidence degree of a helical gear system is greater than 2, and the continuous gradual involution of […]
Due to the existence of helical angles, the meshing stiffness of helical gears not only varies with the variation of […]
(1) Influence of pinion tooth width on transmission error of helical gear Figure 1 shows the relation curve between the […]
Due to the layout structure of dual input single output helical gears, as shown in Figure 1, the meshing process […]
(1) Influence of Gear Tooth Width on Transmission Error of Helical Gear Figure 1 shows the relationship curve between the […]
(1) Influence of Helical Angle on Transmission Error of Helical Gear Figure 1 shows the relationship curve between the helix […]
The misalignment of helical gear meshing is a key factor affecting the stability and lifespan of the helical gear pair […]
Gear pair Maximum meshing force/N Average meshing force/N Maximum angular acceleration ((/°)/s2) Average angular acceleration ((/°)/s2) Standard gear 1 565 […]
Replace C with CEHL γ And substitute it into the formula to obtain the maximum modification amount of the tooth […]
1. Simulation working condition parameters Select a certain mining spur gear pair for simulation calculation, and the parameters of the […]
Replace C with CEHL γ And substitute it into the equation to obtain the maximum modification amount of the tooth […]
The average efficiency formula of helical gear meshing transmission is derived by using the integral method, and the average efficiency […]
