Error model of helical gear transmission considering integral error and tooth surface friction
The overall error is treated as a discrete point on the contact line of the helical gear to indicate the […]
Scientific
Scientific
Determination of actual contact area of hypoid gear
In the contact area diagram of the hypoid gear TCA in the example, the theoretical contact area is smaller than […]
Scientific
Universal verification of digital simulation method for hobbing process of spur gear
Based on Mathematica software, draw the right tooth surface of one tooth of spur cylindrical gear, and combine the right […]
Scientific
Modeling of hypoid gear blank
Parameter Hypoid gear wheel Hypoid gear pinion Number of teeth 6 38 Outer end diameter /mm 100.24 380.6 Average pressure […]
News
Research trends of spiral bevel gears
The advanced manufacturing technology and machine tools of spiral bevel gears have always been the guarantee for enterprises to maintain […]
News
Research trends of spiral bevel gear Gleason company
In terms of spiral bevel gear theory, in the 1940s and 1950s, scientists such as e.wildhaber and m.l.baxter made a […]
News
Digital simulation of cylindrical gear hobbing process
The new digital simulation method of cylindrical gear hobbing process is proposed, which provides a new way for cylindrical gear […]
News
Influence of machining parameters adjustment on tooth contact of spiral bevel gear
In spiral bevel gear machining, there are many factors that affect the results of tooth contact analysis, such as the […]
Scientific
Establishment of tooth surface equation of hypoid gear pinion
The hypoid gear small wheel is machined by the denaturing method. The method of establishing the tooth surface equation of […]
Scientific
Simulate the tooth profile obtained by gear hob machining
By transforming the matrix MWG, the points e (Xe, ye, Ze) and f (XF, YF, ZF) in the gear coordinate […]
Scientific
Local conjugate contact and tooth surface modification principle of spiral bevel gear
When machining spiral bevel gears, the cutter head tip plane is tangent to the root cone rather than parallel to […]
Scientific
Establishment of hypoid gear tooth surface equation
According to the geometric relationship of the hypoid gear and the requirements of gear processing, the processing parameters of the […]
News
History and development of spiral bevel gear technology
As the basic component of mechanical transmission, spiral bevel gear is mainly used for the movement and power transmission between […]
News
Digital simulation method of cylindrical gear hobbing process
The new digital simulation method of cylindrical gear hobbing process is proposed. By analyzing the position relationship between the hob […]
News
Modeling of hypoid gear blank and tooth contact analysis
The large wheel of the hypoid gear is processed by generating method, and the small wheel is processed by denaturing […]
Scientific
Three dimensional meshing simulation of gear hob and spur gear tooth surface
Without considering the installation error Σ e of the shaft intersection angle Σ, the helix angle of spur gear β […]
Scientific
Meshing principle of spiral bevel gear
The gear meshing principle, namely the conjugate surface principle, is the basic method to study the contact transmission of two […]
News
Research on forging simulation of spiral bevel gear blank
The hot forging process of spiral bevel gear blank is completed at high temperature, and the metallographic structure of metal […]
News
Simulation of forging forming of spiral bevel gear blank
Taking the forging process of driving and driven spiral bevel gears as the research object, the forging process of gear […]
News
Classification of radial machining errors of gear hobbing
The error caused by the change of radial distance between the gear hob and the axis of the processed cylindrical […]
Scientific
Solving the intersection of gear tooth surface normal and gear hob involute helical surface
From the three-dimensional meshing model of gear hob and gear, it can be assumed that each point on the gear […]
News
Three dimensional simulation test of hypoid gear with small number of teeth and large reduction ratio
Compared with other hypoid gears with small number of teeth and large reduction ratio, hypoid gears not only have many […]
News
Application test based on gear hobbing model simulation of spur gear
Gear as the core mechanical foundation. Despite the high requirements for the manufacturing and installation accuracy of gears, with the […]
Scientific
Analysis of stroke load curve in the total forging process of spiral bevel gear blank
The stroke load curve of the die in the general forging process of the spiral bevel gear blank is shown […]
Scientific
Three dimensional meshing model of gear hobbing
During gear hobbing, the hob axis and gear axis must meet a certain axis intersection angle. The installation axis intersection […]
Scientific
Simulation of tooth surface model of spur gear
According to the parameters of spur gear, the indexing circle radius R2 of spur gear is: Where: M2 — modulus […]
Scientific
Numerical simulation of forging process of driving spiral bevel gear blank
The CAD two-dimensional drawing of the upper and lower molds is shown in Figure 1. 1.Mold geometric model establishment According […]
Scientific
Influence of initial forging temperature and friction coefficient on forming effect of spiral bevel gear
Taking the initial forging temperature of spiral bevel gear as 1000 ° C, 1050 ° C and 1100 ° C […]
Scientific
Analysis of stress-strain and temperature variation with time in forging process of spiral bevel gear blank
In the DEFORM-3D post-processing function, the time-dependent curves of the equivalent stress-strain and temperature at a certain point of the […]
News
Digital simulation of gear hobbing process
Digital simulation technology is a comprehensive technology based on a variety of disciplines and theories, using computer and its corresponding […]
Scientific
Establishment of tooth surface coordinate system of spur gear
The pressure equation at any point on the spur tooth surface of the cylindrical gear α ， The expanded length […]
News
Precision forging of spiral bevel gear blank
Although a lot of research has been done on precision forging of spiral bevel gears at home and abroad, there […]
Scientific
Influence of die structure of spiral bevel gear forging blank on forming effect
Through the stress-strain analysis and temperature analysis of the spiral bevel gear blank after hot forging, we know that the […]
Scientific
Numerical simulation of forging and extrusion process of driving spiral bevel gear blank
1、 Establishment of geometric model Using pro/e4.0, the geometric model of extrusion process is established, including the geometric model of […]
Scientific
Forging and drawing forming method for driving spiral bevel gear blank
Due to the problems in the free forging process of the cutting block, other forming methods are considered to replace […]
Scientific
Numerical simulation of forging process of driving spiral bevel gear blank
The forging process of driving spiral bevel gear blank also includes four steps: heating, drawing, die forging and trimming. That […]
News
Installation requirements of hob spindle and gear hob
The fit between hob spindle and gear hob inner hole should be accurate and firm, which is necessary to improve […]
Scientific
Equivalent stress analysis of spiral bevel gear blank during final forging
The equivalent stress distribution of spiral bevel gear blank during final forging is shown in the figure. The maximum stress […]
Scientific
Establishment of tooth surface coordinate system of spur gear
Spur cylindrical gear coordinate system: SG, (OG: XG, YG, ZG) take the center of spur cylindrical gear as the origin […]
News
Application of numerical simulation technology in gear forging
Since the 1990s, with the development of computer software and hardware, numerical simulation methods have made great progress. There are […]
Scientific
Numerical simulation of forging and extrusion process of driving spiral bevel gear blank
1、 Metal flow law in extrusion process The metal velocity vector diagram of each stage of extrusion forming process is […]
Scientific
Overall error curve of helical gear transmission
According to the actual meshing sequence of the helical gear, the overall error curve of the unit helical gear pair […]
News
Selection of gear hob
With the improvement of gear hobbing technology, gear hobs are gradually developing towards integration, small diameter and multi head. The […]
Scientific
Metal flow law in die forging process of spiral bevel gear blank
The metal velocity vector diagram of each stage in the forging process of spiral bevel gear blank is shown in […]
Scientific
Tooth surface equation of gear hob
Based on the gear hob coordinate system: SW, (ow: XW, YW, ZW), the involute helicoid model of gear hob is […]
News
Application of numerical simulation technology in spur gear forging
Before the 1990s, the research and production of gear forging were mainly based on physical simulation. That is because the […]
News
Machining deformation mechanism of extra large split straight bevel gear
Super large straight bevel gear is a key component in China’s large-scale equipment. Due to the limitation of transportation and […]
News
Gear hobbing principle
Gear hobbing processing principle, as shown in the figure. There are many processing methods for cylindrical gears. According to the […]
Scientific
Ease_off Example analysis of vibration reduction optimization for hypoid gear
In order to study the relationship between vibration and stiffness, the meshing stiffness and frequency spectrum of different modified tooth […]
News
Comparison and analysis of numerical simulation results of spiral bevel gear blank with real object
The actual forging of spiral bevel gear (without punching and trimming) is shown in the figure. Comparing the numerical simulation […]
Scientific
Metal flow law in upsetting process of spiral bevel gear blank
The metal velocity vector diagram of each stage in the upsetting process of spiral bevel gear blank is shown in […]
News
Forging process of driven spiral bevel gear blank
In view of the problems of large material waste and high cost caused by the traditional die design and process […]
Scientific
Contact pressure distribution of helical gears
The contact pressure history curve during helical gear meshing is shown in Figure 1. It can be seen that the […]
Scientific
Establishment of gear hob coordinate system
Based on the selection of basic worm, it is determined that the gear hob selected in this subject is involute […]
Scientific
Ease_ Off example of vibration reduction optimization for hypoid gear
For high-precision hypoid gear pairs, in order to increase the actual coincidence degree after loading, the design of large inclination […]
Scientific
Calculation of time-varying meshing stiffness of helical gears
The meshing of helical gears can be regarded as line contact, and the load changes and distributes along the contact […]
Scientific
Contact analysis of modified helical gear
1. Law of equivalent stress and time change during helical gear meshing The variation law between the dynamic contact equivalent […]
Scientific
Basic attribute setting of spiral bevel gear blank and cutting board
The spiral bevel gear blank is set as a plastic body. Determination of initial forging temperature of spiral bevel gear […]
News
Research on gear forging in China
China’s gear manufacturing industry started late. It began to produce gears in the 1950s and formed its own gear manufacturing […]
Scientific
Deformation measurement of straight bevel gear split blank
Through the measurement of the straight bevel gear split blank with the coordinate measuring instrument, it can be found that […]