Three dimensional contact boundary of concave cylindrical gear
Keep the contact boundary condition with smooth gear consistent with the loading setting treatment method, restrict the degrees of freedom […]
Scientific
Scientific
Scientific
Machining deformation of split straight bevel gear
The finite element model simulation and mathematical model calculation of the deformation in the machining process of split straight bevel
Scientific
Analysis of additional torque in the process of bevel gear split blank machining
Before bevel gear cutting, the residual stress in the material is evenly distributed and balanced along the thickness direction of
Scientific
NC gear milling machine rough milling spiral bevel gear cutting
Based on the harmony search algorithm, the cutting parameter optimization of rough milling spiral bevel gear big wheel and rough
Scientific
Determination of pitch cone of hypoid gear
Hypoid gear pair is a transmission device used to transfer the motion and load between spatial staggered axes. According to
Scientific
The z-direction deformation of spur bevel gear blank with different thickness
When the thickness of spur bevel gear blank is 90mm, the z-direction displacement nephogram of spur bevel gear blank with
Scientific
Tooth profile theory of hypoid gear
The motion form of cylindrical gear pair transmission is pure rolling based on cone, while the motion of a pair
Scientific
Finite element simulation analysis of warm forging of spur gear
Taking 18CrNiMo7-6 spur gear as the research object, the finite element models of three schemes are established, and the warm
Scientific
Three dimensional contact finite element model of concave cylindrical gear
The three-dimensional solid model of the gear is established by CATIA. After being imported into ANSYS, a series of spherical
Scientific
Equivalent stiffness of bending strain energy of straight bevel gear blank
The moment of inertia of the section to the neutral axis of the straight bevel gear blank is different in
Scientific
Measure the distance of the steel ball along the axial direction of the involute helical cylindrical gear
First, prepare a large inspection platform, several steel balls with the same diameter (if conditions permit, it is best to
Scientific
Contact stress analysis of two-dimensional contact of concave bionic spur gear
As shown in the cloud diagram and partial enlarged diagram of the contact stress distribution of the concave spur gear,
Scientific
Equivalent stress analysis of two-dimensional contact of concave bionic spur gear
After the solution is completed, the equivalent stress of the two-dimensional contact of the concave spur gear is displayed by
Scientific
Modulus and pressure angle of involute helical cylindrical gear
1.Involute helical cylindrical gear defined by modulus 1) Use the common normal micrometer (or digital caliper) to measure the common
Scientific
Formulation of cold forging forming scheme of spur gear
Cold finishing process is the last process in compound forming. It is the key point in the whole process to
Scientific
Equivalent stress-strain distribution of spiral bevel gear under different conditions
Taking the initial forging temperature as 1000 ° C, 1050 ° C and 1100 ° C respectively, and the friction
Scientific
Simulation results of hypoid gear pair
The motion model of hypoid gear pair is established. The pinion of hypoid gear pair applies a speed of 60R
Scientific
Create a single tooth of a hypoid gear
The research shows that the tooth profile of a single tooth of hypoid gear is a closed profile surrounded by
Scientific
Two dimensional contact boundary condition and loading setting of concave bionic spur gear
Consistent with the boundary condition setting of the smooth spur gear, restrict the degrees of freedom of all nodes in
Scientific
Establishment of two-dimensional model and meshing of concave bionic spur gear
Consistent with the two-dimensional modeling of smooth spur gear, the two-dimensional line contact peripheral contour curve of spur gear is
Scientific
Design of warm forging forming scheme for spur gear
Three kinds of warm forging die structures are set according to the structural characteristics of spur gear. As shown in
Scientific
Calculation of cutting area of involute gear
In essence, the machining of gear is that the tool continuously feeds along the radial direction of the gear, and
Scientific
Stress and deformation analysis of die for equal height spiral bevel gear
In the diestressanalysis module of deform, the die stress is analyzed to study the deformation of die tooth profile in
Scientific
Stroke load curve of spiral bevel gear under different conditions
When the friction coefficient is 0.3 and 0.7 respectively, the forming load curve of spiral bevel gear under different initial
Scientific
Comparison between numerical simulation results of spiral bevel gear and real object
The forging object of spiral bevel gear blank (without punching and trimming) is shown in the figure. Comparing the numerical
Scientific
Analysis of hot forging process and forming effect of equal height spiral bevel gear
The forming effect analysis is mainly used to analyze whether the equal height spiral bevel gear forging is completely filled,
Scientific
Calculation results and stress analysis of two-dimensional contact stress of smooth spur gear
1. Equivalent stress analysis of two-dimensional line contact of smooth spur gears The general post processor in ANSYS is used
Scientific
Design of hot forging drawing of spur gear
Warm forging is equivalent to the pre forming step of spur gear. The design of pre forging drawing is based
Scientific
Geometric relationship at pitch cone of hypoid gear pair
The geometric relationship of pitch cone parameters of hypoid gear pair is shown in the figure, and the included angle
Scientific
Modeling before forging simulation of equal height spiral bevel gear
1.Selection of processing temperature and strain rate After drawing the hot working diagram, the appropriate processing temperature and strain rate
Scientific
Design of cold forging drawing of spur gear
It is proposed to use the warm and cold composite process to process spur gears. It is divided into pre
Scientific
Digitization of spiral bevel gear machining technology in China
The digital machining technology of spiral bevel gear is developed with the gradual maturity of computer technology, information technology, network
Scientific
Geometric calculation of equal height spiral bevel gear teeth
Based on the meshing principle of equal height spiral bevel gear, the pitch cone and the base cone are two
Scientific
Calculation of tooth number of imaginary plane gear
When using milling cutter for machining equal height spiral bevel gear, the gear cutting principle is the imaginary plane gear
Scientific
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
Scientific
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
Scientific
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,
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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
Scientific
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