Research on New Tooth Profile and Tooth Surface Modification of Face Gear Transmission
Face gear transmission is an advanced new type of angular transmission that meshes cylindrical gears with bevel gears. It can […]
Scientific
Scientific
Scientific
Non-circular gear transmission test
The non-circular gear transmission test bench is a horizontal mechanism, which is composed of precision mechanical system, measurement and control
Scientific
Initial phase optimization of non-circular gear transmission error model
During the calculation of non-circular gear transmission error and backlash, the initial phase has a great influence on its distribution
Scientific
Distribution law of transmission error and backlash of non-circular gear
The non-circular gear pair in the reversing device of the non-circular gear pumping unit (as shown in the figure) can
Scientific
Modeling of the transmission error and backlash of the non-circular gear
The main idea of the meshing line increment method is to equivalent the center distance error and eccentricity error to
Scientific
The influence of error factors on the contact of arc bevel gear transmission
0 Introduction As a key part in the mechanical transmission device, the arc bevel gear is difficult to realize the
Scientific
Study on the meshing dynamic characteristics of cylindrical spur gears for tooth profile displacement
1 Introduction Displacement spur gears have the advantages of long durability, stable operation, low noise and low vibration, and by
Scientific
Calculation and simulation study of the residual stress field of steel spiral bevel gear shot peening
1 Shot peening process test 1.1 Test Specimens The shot peening sample is a certain type of spiral bevel gear,
Scientific
Research status on the initiation and propagation behavior of fatigue cracks in gears
0 Introduction Among modern mechanical transmissions, gear transmission is the most widely used form of transmission. Compared with other forms
Scientific
Three-dimensional model of double-arc spiral bevel gear
In order to obtain the 3D model of double-arc spiral bevel gear, select the geometric parameters of double-arc spiral bevel
Scientific
The influence of geometric tolerances on the accuracy of small module spur gear transmission system
0 Introduction Gear transmission is a kind of mechanical transmission that is widely used, which has the characteristics of high
Scientific
Research on fault diagnosis of gears and bearings of coal mining machinery
Machinery and equipment play a vital role in coal mine production, once the failure will directly affect the normal operation
Scientific
Research on the calculation of the comprehensive stiffness of spur tooth single-point line meshing gear transmission
0 Introduction Compared with traditional involute gears, point-and-line meshing gear transmission has the characteristics of high bending strength, high contact
Scientific
Study on the transmission error of internal meshing short-tooth high-spur gear
0 Introduction The transmission error of the gear bearing transmission is an important index to evaluate the dynamic meshing performance
Scientific
Fatigue life prediction model of cylindrical gears based on energy accumulation curve
0 Introduction Gears are commonly used in aerospace, rail transit, automotive, agriculture, mining, and many other industries. Fatigue failure of
Scientific
New technologies and development trends in automotive gear processing
1 Introduction Nowadays, automobiles are attracting attention in terms of their functionality as an indispensable means of transportation in people’s
Scientific
Research on method-level modal analysis method of arc bevel gear
0 Introduction Arc bevel gears have the advantages of high overlap, strong bearing capacity, low vibration, low noise and high
Scientific
AMESim-based simulation analysis of automotive helical gear bearing loss under contact load
Helical gears are an important part of automobile transmissions, providing driving energy such as rotation, transmission, and torque for automobiles.
Scientific
Application of high coincidence spur cylindrical gears in helicopter transmission system
Gear is one of the most important structural parts of the aviation transmission system, and the working environment is very
Scientific
Experimental design results of distortion in thickness direction of spur gear
1. Basic physical properties The density and hardness data of the product at 1 300 ° C for 3 h
Scientific
Experimental design of distortion in thickness direction of spur gear
The experiment adopts the spur gear design shown in the figure. Because it needs to approach the working state of
Scientific
Numerical example of spiral bevel gear
The calculation example used is a pair of oil-lubricated spiral bevel gears in a helicopter reducer. See Table 1 for
Scientific
Grease lubrication and efficiency study of arc bevel gear
introduction The lubricated condition of the arc bevel gear is critical to the reliability and efficiency of the aircraft’s transmission
Scientific
Research on time-varying meshing stiffness algorithm of spur gear with large tooth number crack
0 Introduction The gear-rotor system is one of the commonly used motion and power transmission mechanisms in industry. As the
Scientific
Co-optimization of tooth surface geometry for helical bevel gear milling
As the key components of power conversion between shafting transmission, helical bevel gears and hypoid gears directly affect the mechanical
Scientific
Cold extrusion process of planetary gears for trucks
1 Determination of process plan 1.1 Analysis of part structure characteristics Figure 1 is the part diagram of a planetary
Scientific
Talking about the nonlinear dynamic characteristics of gear transmission
1 Meshing stiffness excitation Meshing stiffness is one of the important parameters of gear transmission system, taking the gear of
Scientific
Research on noise reduction of straight cylindrical gear shaft system based on viscoelastic material
0 Introduction Gear transmission is widely used in power transmission because of its advantages of high transmission efficiency and accurate
Scientific
Actual tooth surface contact analysis and adjustment calculation of hypoid gear
0 Introduction Hypoid gears have the characteristics of large degree of overlap and stable transmission, and are widely used in
Scientific
Analysis of meshing point velocity of spiral bevel gear
Because it is difficult to analyze the speed of spiral bevel gear, it is treated as equivalent spur gear. Make
Scientific
Boundary conditions for thermal analysis of spiral bevel gears
For the single-tooth model, the tooth surface is divided into the following three types according to the figure, and the
Scientific
Finite element analysis of helical bevel gear heat treatment and grinding residual stress
1 Research background Helical bevel gear is a key part of mechanical equipment, widely used in helicopters, automobiles and other
Scientific
Research on composite forming characteristics of arc bevel gear casting and forging
As an important part of gear transmission, the performance of arc bevel gears directly determines the efficiency and service life
Scientific
The influence of milling cutter and inspection technology on the machining quality of straight bevel gears
1 Introduction Variable angle gearboxes are indispensable support and connection components for transmission lines in aviation systems. At present, domestic
Scientific
Parametric modeling of involute double arc helical gear
The tooth profile of the involute double-circular-arc helical gear is related to the module, tooth number, pressure angle and tooth
Scientific
Research on friction efficiency and temperature field of new bevel gear-roller flat disc continuously variable transmission
Continuously variable transmission (CVT) has the advantages of simple structure, convenient operation, high transmission efficiency, good constant power characteristics and
Scientific
Optimized design of helical gear tooth surface modification based on ROMAX
0 Preface The reducer for construction lift belongs to the heavy-duty hard tooth surface reducer, the heavy load hard tooth
Scientific
Parametric modeling of arc bevel gears and finite element contact analysis
Arc bevel gear (Gleason system) has the characteristics of high transmission efficiency, compact structure and stable transmission, and is widely
Scientific
Talk about the application of arc bevel gears in drilling rig design
0 Introduction The arc bevel gear adopts shrinking teeth, and the tooth line on the gear production crown wheel is
Scientific
Relative evaluation of three-dimensional measurement of bevel gears
1 Introduction As a key part in mechanical transmission, bevel gear is widely used in aviation, aerospace, automobile and construction
Scientific
Power tool cylindrical gear transmission failure analysis and solutions
0 Preface Cylindrical gear transmission is a commonly used mechanical transmission method in electric tool products, through cylindrical gear transmission
Scientific
Design and manufacturing method of arc tooth cylindrical gear
0 Introduction Gear transmission has large transmission power, high efficiency, accurate transmission ratio, etcAdvantages, is widely used in mechanical transmission.
Scientific
Post-casting cleaning process application analysis, casting cutting and grinding integrated application
preface China is a big country in casting production, the current degree of automation after casting cleaning is low, and
Scientific
Antimony-p-sub-eutectic Al-Si alloy under gravity sand casting conditionsInfluence of grains and eutectic Si
Due to its excellent casting properties, low density and good mechanical properties, sub-eutectic Al-Si alloys are widely used in aerospace
Scientific
Dynamic transmission error curve of spiral bevel gear
In the static meshing analysis, the influence of the load of spiral bevel gears on the meshing results has been
Scientific
Design and optimization of casting process of special automobile articulation parts
Titanium alloy is widely used in aerospace, military and other fields, with the rapid development of titanium alloy casting process,
Scientific
Static transmission error curve of spiral bevel gear
Through the finite element software, output the angle of spiral bevel gear with four types of offset error under three
Scientific
Mathematical model of transmission error of spiral bevel gear
Transmission error (TE) is the main source of noise of spiral bevel gear system. Studying the transmission error of spiral
Scientific
Mesh Generation and Finite Element Pretreatment of Spiral Bevel Gear
1. Grid division Spiral bevel gear has spatial geometric complexity, which makes the volume mesh of spiral bevel gear directly
Scientific
Meshing equation of spiral bevel gear considering installation error
Installation error and other factors will change the contact mode of the tooth surface from line contact to point contact.
Scientific
Establishment of three-dimensional model of spiral bevel gear
The basic geometric structure of the ideal spiral bevel gear pair is formed by the rolling of two pitch cones,
Scientific
Calculation case of scuffing load capacity of involute cylindrical gear
In view of the universality of FZG gear gluing test, FZG gluing test gear is selected, and GB/Z 6413 1、
Scientific
Evaluation method of scuffing load capacity of involute cylindrical gears
The theoretical comparison of the bonding strength of involute cylindrical gears The tooth surface temperature is an important parameter to
Scientific
Double-input – single-output helical gear time-varying backlash
Generally speaking, the coincidence degree of the helical gear system is greater than 2, and the continuous gradual involution of
Scientific
Time-varying meshing stiffness of double input-single output helical gear
Subject to the layout structure of double-input-single-output gears, as shown in Figure 1, the meshing process of the left and
Scientific
Time-varying meshing stiffness of double input-single output helical gear
Because of the existence of helical angle, the meshing stiffness of helical gear changes not only with the change of
Scientific
Dynamic modeling of double input-single output helical gear system
The physical model and simplified torsional vibration model of the rigidly supported double-input-single-output helical gear system are shown in the
Scientific
Calculation of prediction model for tooth surface topography of spiral bevel gears
In order to predict the surface topography generated in each simulation area, the local coordinate system OWXWYWZW attached to the
Scientific
Example of helical gear contact calculation
The parameters of a standard helical gear are shown in the table. According to the formula h, the half-width of