Simulation analysis of involute gear shaper machining
The machining principle of gear shaper is the generation method, that is, the tool and the involute gear blank conduct […]
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Equivalent stress-strain distribution of spiral bevel gear under different conditions
The forging process of gear blank under different initial forging temperature and different friction coefficient is studied. The forging temperature
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Cone equation of small wheel surface of spiral bevel gear
In the coordinate system SA, the bevel equation of the small wheel surface of spiral bevel gear is: Where: (U1,
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Stroke load curve of total forging process of spiral bevel gear
The stroke load curve of the die in the general forging process of spiral bevel gear is shown in the
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Precision plastic forming process and principle of spur gear
In recent years, the precision forming of spur gears in China has been greatly developed, but there are still many
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Solution setting of two-dimensional contact analysis of spur gear
Spur gear contact is a typical nonlinear problem, and its solution process generally needs iterative calculation. There are problems of
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Calculation of basic dimensions of Involute Gears
As shown in Figure 1, R is the radius of involute gear indexing circle, Rb is the radius of base
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Influence of die structure of spiral bevel gear on forming effect
The equivalent stress, strain and temperature of spiral bevel gear forging during final forging are analyzed. It is found that
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Generating surface equation of gear cutting blade
SFT method is applicable to the processing of spiral bevel gears with transmission ratio greater than 2.5, which means that
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Determination of adjustment parameters of large gear of spiral bevel gear machined by forming method
When machining the large gear of spiral bevel gear with forming method, the slight difference between the tooth profile angle
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Stress and strain in forging process of spiral bevel gear
In the function of Defrom-3D post-processing, the curves of equivalent stress, strain and temperature of spiral bevel gear blank with
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Forging experimental process of spiral bevel gear
The forging experiment is carried out by hot forging. Firstly, the forging die is processed, and then the forging experiment
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Precision detection of equal height spiral bevel gear
After the cutting of equal height spiral bevel gear, the processed equal height spiral bevel gear shall be inspected in
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Boundary conditions and loading of two-dimensional contact analysis of spur gears
In the actual fatigue wear test of spur gear, the pinion is the driving spur gear and the big gear
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Numerical simulation of die forging process of spiral bevel gear blank
The two-dimensional diagram of upper and lower dies of spiral bevel gear is shown in Figure 1. 1.Establishment of mold
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Reliability of gear transmission system of flying vehicle
In order to accurately evaluate the reliability variation law of gear transmission system of flying vehicle, 3000 h reliability is
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Establishment of extrusion process model of spiral bevel gear blank
Using Pro / E4 0 establish the geometric model of extrusion process, including the geometric model of upper and lower
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Temperature analysis of bevel gear during final forging
The temperature distribution of bevel gear blank during final forging is shown in the figure. The maximum temperature during final
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Machining principle of equal height spiral bevel gear
1. Formation analysis of hypothetical plane forming wheel The concept of hypothetical plane forming wheel is that there is a
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Four point analysis of tooth top selection in simulation forming of spiral bevel gear large wheel
Four points are selected at the tooth top of spiral bevel gear forging, and the position distribution is shown in
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Establishment of two-dimensional contact model and meshing of smooth spur gear
Using the advanced curve drawing function in the two-dimensional drawing software CAXA electronic Using the advanced curve drawing function in
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Numerical simulation of extrusion process of spiral bevel gear blank
(1)Metal flow law in extrusion process The metal velocity vector diagram of each stage in the extrusion process of spiral
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Spinning forming of spiral bevel gear blank
Due to the problems in the free forging process of cutting board, other forming methods are considered to replace the
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Relationship between forging energy consumption and initial forging temperature of spiral bevel gear
The process initial forging temperature of spiral bevel gear forging is 1000-1100 ° C. here, we discuss the relationship between
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Influence of die structure of spiral bevel gear on forming effect
Through the stress-strain analysis and temperature analysis of spiral bevel gear blank after hot forging, we know that it is
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Analysis of equal effect variation during final forging of helical gear
The strain distribution of helical gear blank during final forging is shown in the figure. The maximum strain during final
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Analysis of hot forging cold finishing process and stroke load curve of spiral bevel gear wheel
The hot forging simulation forming process of spiral bevel gear wheel is similar to the cold forging process. The model
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Energy consumption curve of spiral bevel gear in iterative step under different conditions
When the friction coefficient is 0.3 and 0.7 respectively, the energy consumption curves of iterative steps under different initial forging
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Analysis of load curve of iteration step in the general forming process of spiral bevel gear blank
The iterative step load curve of the general forming process of spiral bevel gear blank is shown in the figure,
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Strain and temperature in forging process of spiral bevel gear blank
Take three points as shown in Figure 1 to study the changes of stress, strain and temperature with time in
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Extrusion forming of spiral bevel gear blank
Extrusion is a plastic forming processing method that applies pressure to the spiral bevel gear blank in the die cavity
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Comparative analysis of numerical simulation of spiral bevel gear forging
The forging object of spiral bevel gear blank (without punching and trimming) is shown in the figure. Comparing the numerical
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Tooth alignment error and tooth profile error of large gear with pit bionic shape after test
A-F in the figure is the tooth direction error diagram of 24 teeth of the pit type large gear after
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Equivalent stress analysis of spiral gear during final forging
The equivalent stress distribution of spiral gear blank during final forging is shown in the figure. The maximum stress during
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Simulation and analysis of die drawing process of precision forging of spiral bevel gear
The die drawing process of spiral bevel gear precision forging is simulated in DEFORM-3D. The specific simulation process is as
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Selection of technological parameters for rotary forging of spur gears
According to the production practice of spur gear, the elastic deformation in the forming process of spur gear blank is
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Simulated pressure stroke curve of spur bevel gear
The forming load time curve of straight bevel gear blanks with different shapes is shown in the figure. From the
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Bevel gear transmission system considering failure correlation
Because the bevel gear transmission system has no redundant design, when the independent hypothesis is used for reliability analysis, the
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Feasibility and optimization analysis modeling of spur gear drum blank
In the case of the same volume and the same upper and lower bottom diameter, it is quite cumbersome to
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Numerical simulation and optimization of spur gear drum blank shape
As an analysis method in the process of metal plastic forming, numerical simulation does not need to build physical models,
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Influence of pitch cone angle change on forging difficulty of spiral bevel gear
From the observation of the factors affecting the forging difficulty of spiral bevel gear small wheel, the volume of spiral
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Plastic deformation and failure of automobile gear tooth surface
When the contact stress of automobile gear is too large, the plastic flow of tooth surface metal due to yield
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Maximum equivalent stress analysis of spiral bevel gear die
(1) Stress analysis method of spiral bevel gear die DEFORM-3D software has two methods for stress analysis of spiral bevel
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Simulation of equal effect variable distribution of spur bevel gear
The magnitude of equivalent effect variation reflects the deformation degree of metal. As shown in the figure, the typical equivalent
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Deformation mechanism of spur gear blank
In the rotary forging process of spur gear, the contact area between the swing head and spur gear blank is
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Simulated velocity field distribution of spur bevel gear
Figure 1 intuitively reflects the forming conditions of blanks with different shapes. Figure 2 shows the upward forming speed distribution
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Simulation effect drawing of spur bevel gear
Due to the particularity of the forming process of rotary forging, it takes a long time to calculate in a
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Creating straight bevel gear model in UG
The shape of straight bevel gear is relatively complex, and its surface is basically composed of curves and curved surfaces.
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Establishment of geometric model of straight bevel gear forming
The establishment of straight bevel gear model is an important link in the preprocessing process of finite element simulation. A
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Tooth alignment error and tooth profile error of pit bionic pinion after test
In the figure, a is the tooth direction error diagram of the pit type pinion. Compared with before the test,
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Pre punching process of driven spiral bevel gear blank
The pre punching process is to prepare for the punching process and reserve the punching skin thickness for the punching
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Influence of pitch cone angle change on forging difficulty of spiral bevel gear
The pitch cone angle is a very important parameter in the geometry of spiral bevel gear, which is directly related
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Parametric modeling of spur bevel gear
The original blank of spur bevel gear is determined according to the forging shape, size, forging method and the required
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Plastic forming process of spur bevel gear
The results of experimental mechanics research methods come directly or indirectly from the measured data, which reduces or avoids many
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Research method of plastic forming process of spur bevel gear
The metal plastic forming process of spur bevel gear is a complex deformation process. The material characteristics, deformation speed, temperature,
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Optimization and improvement of gear hub
After optimizing the process, the effective hardened layer depth of the tooth root is 1.4mm, as shown in Figure 1.
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Study on rotary forging forming of straight bevel gear
Research objectives By changing the parameters of the straight bevel gear blank, the forming force energy relationship and the law
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Equivalent stress analysis of cold precision forging of spiral bevel gear wheel
From the figure, it can be seen that in the simulation of cold precision forging process, the equivalent stress distribution
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Dynamic reliability analysis of planetary gears considering strength degradation
Variation law of residual strength of planetary gears in flight vehicle transmission system. Taking the bending fatigue residual strength of
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Influence of displacement coefficient on strength of cylindrical gear
In order to study the influence of different modification coefficients on the strength of cylindrical gears, a group of cylindrical