Running load and fatigue of the rack and pinion of the shipliftlife span study
As an important navigation facility of the Three Gorges Water Control Project, the ship liftOne of the important components of […]
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Research on flow pulsation characteristics in multi-tooth cavity of aviation circular arc gear pump
Aviation fuel system and stable and powerful propulsion for enginesClosely related, as a main component of the fuel system, aviation
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Railway vehicle gearbox lubricantAnalysis of operating status
The replacement of lubricating oil for the gearbox of urban rail transit vehicles mainly involves the following reasonsThere are two
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Mechanical transmission gear meshing periodic contactLoad and stress analysis
The structure and working principle of the gear transmission system determine the mechanicalThe reliability of the transmission and the contact
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Analysis of the vibration causes of electric vehicle gearbox andOptimization design of gear transmission system
With the continuous development of the automotive manufacturing industry, the gear property of electric vehicles has becomeWith the continuous improvement
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Research on the coupling characteristics of gears and electronic components and their control strategies in mechanical systems
In modern mechanical systems, gear transmission and electronic components are used asCommon mechanical transmission and electrical control components play a
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a property of the acceleration of the node in gear transmission
The meshing process of gear transmission is the relative sliding between gear teeth, butThe common law of the meshing point
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Kinematic Analysis and Relative Slip Distance Calculation of Involute Helical Gear Transmission System
Helical gear transmission is usually equivalent to a pair of reverse tapered roller contacts for processing, and then segmented along
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Calculation of contact line length and tooth surface load distribution in helical gear transmission system
According to the end face coincidence degree εα Coincidence with axial direction εβ The variation of the length of the
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Principle and motion analysis of spiral bevel gear milling
At present, spiral bevel gears are divided into two types of machining methods: generating method and forming method, both of
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Tool wear and workpiece during the milling process of spiral bevel gearsStudy on Surface Roughness
With the development of aerospace, shipbuilding, automotive and other manufacturing industries, the research and application of spiral bevel gears have
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Simulation experimental study on vibration reduction structure of spur gear with slot holes analysis of experimental results
Signal channels 1, 2, 3, and 4 correspond to four positions of the input shaft radial, axial, and output shaft
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Simulation power spectrum of cylindrical gear meshing dynamics
The autocorrelation function is first obtained from the time domain signal, and then the Fourier transform of the autocorrelation function
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Dynamic simulation of flow field inside external gear pump
External gear pump is the most widely used aviation oil pump, due to itsIt has simple structure, good maintainability, mature
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Structural Design of Vibration Reduction Slotted Holes for Cylindrical Gears
Figure 1 shows the design of a cylindrical gear vibration reduction slot hole structure, with a longitudinal groove in the
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analysis of contact stress during the transmission process of involute spur gears with variable position
Preface Gear mechanism has high transmission efficiency, long service life,Gear is the most widely used mechanism in machinery, with superior
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High-efficiency precision grinding and surface integrity control technology for gearsResearch progress
Foreword Gears are the basic unit of mechanical transmission systems, widely used inaviation, ships, vehicles and other industries. With the
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Establishment of the Equivalent Model for Rolling Straight Tooth Spur Gear
The basic parameters of the selected straight tooth surface gear are a straight tooth surface gear with a module of
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Research on Tooth Profile Design and Manufacturing of Tooth Cutting Tool for Straight-tooth Internal Gear Machining
With the advancement of processing technology and the improvement of gear accuracy requirements, traditional processing methods have been unable to
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Coordinate system of mathematical model for gear shaping of spur gear
The machining of spur gears can be modeled on the machining method of cylindrical gears, based on the principle of
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Numerical simulation of multi-layer welding of constant tooth arc bevel gear milling cutterResearch on deformation
The constant tooth height arc bevel gear has the advantages of stable and reliable transmission, good impact resistance, and low
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Simulation and technical verification of helical tooth surface gear tooth cutting
comparison analysis of tooth surface generated by face gear shaper method and tooth surface generated by gear shaper method Calculate
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Experiment on Image Recognition Method for Grinding Crack of Automobile Gear
1. Experimental setup In order to verify the overall effectiveness of the image recognition method for grinding cracks in automotive
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Simulation and Technical Verification of Spiral Gear Teeth
Helical tooth surface gear transmission is a spatial non-parallel shaft gear transmission form, which is composed of a cylindrical gear
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Analysis of load sharing in helical gear planetary system based on load-bearing meshing characteristics
Helical gears have a high degree of coincidence with straight gears and have stable transmissionGood, compact structure, high load capacity,
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Image recognition of grinding cracks in automotive gears
Based on extracting the features of grinding crack images of automotive gears, the method of support vector machine is used
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Gear fault diagnosis based on parameter optimization VMD and kurtosis criterion
The shield machine is widely used in the construction of subway, river crossing and other long and large tunnel projects.Widely
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Multitype feature extraction of grinding cracks in automotive gears
After image segmentation, the grinding crack image of an automobile gear becomes optimized data that can accurately extract regional features.
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Image segmentation of grinding cracks in automotive gears
Select a 3D visual sensor and divide the pre processed image data of grinding cracks in automotive gears into gear
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Graying image of grinding cracks in automotive gears
The color capture of the color pickup lens of a CCD industrial camera is mainly based on three primary colors:
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Image filtering and noise reduction for grinding cracks of automotive gears
During the process of collecting and extracting automotive gear grinding crack images, due to noise interference, overexposure, and pixel distortion,
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Material selection and production method of automobile gear forging blank
Material selection and production method of automobile gear forging blank: (1) Using the chemical composition of 20MnCr5 steel as the
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Engineering design analysis of elastohydrodynamic lubrication for involute cylindrical gear transmission
Gear transmission is widely used in machinery, transportation and other fields.The operating efficiency and service life are largely determined by
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Vibration characteristics analysis of hypoid gear drive system of drive axle
1 Internal excitation of the main reducer system Dynamic excitation is the root cause of vibration and noise in drive
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Dynamic response and typical characteristics analysis of tooth surface wear of face gear pair
The face gear pair consists of a spur gear and a face gear, as shown in Figure 1.It is a
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Verification of Cutting Force Prediction for Straight Cylindrical Gears
Fx Fy Fz Root mean square value of prediction error ５８．２ Ｎ（１１．２％） ６０．４ Ｎ（１１．６％） １０８．７ Ｎ（４．６％） Standard deviation of prediction
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Verification of kinematic model of cylindrical gear
In order to verify the kinematic model, during the gear hobbing test, the position track of the cylindrical gear is
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Research on loading contact analysis method of modified straight bevel gear pair
Introduction Currently, the modified straight bevel gears are widely used in machine tools and other equipment, as well as in
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Error compensation for helical gear hobbing
High-speed dry hobbing is a new technology for gear machining,It is an efficient manufacturing process for machining spur and helical
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Kinematic analysis of spur gear hobbing
Take spur gear as an example to analyze hobbing kinematics, as shown in the figure. Hob (cutter) and spur gear
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Fatigue life analysis of bevel gears in roller conveyor lines
Roller conveyor lines play an important role in the field of mechanical productionIts function is to improve production efficiency and
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Tooth surface meshing frequency of straight bevel gear of ω Impact
Take dimensionless parameter F=0.14 ε ＝ ０． １８、 ζ ＝ ０． ０３、Ｄ ＝ ｄ＝ １． ０、 ζ １ｘ ＝ ζ
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Research on NURBS tooth surface reconstruction of helical gear based on PSO algorithm
Introduction Helical gear pair has good meshing performance and relatively straight teethThe larger overlap degree of the wheel thus has
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Bend-torsion-shaft dynamics modeling of straight bevel gear transmission system considering multi-state meshing
The meshing of straight bevel gear pair can be regarded as the meshing of two equivalent straight bevel gears on
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Load distribution rate of straight bevel gear
The coincidence ratio of the straight bevel gear pair is generally greater than 1.0. When the straight bevel gear is
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Friction power consumption analysis and efficiency test of high reduction ratio hypoid gear
Introduction Modern mechanical equipment has raised the requirements for power density, efficiency and low carbonWith the increasing requirements, gears, as
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Reliability analysis of vibration and wear of high-speed heavy-duty gears
From large-scale equipment in aerospace, shipping, power plants and other fields to daily lifehome appliances, cars, workbenches, and transmission machinery
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Research on the Influence of Composite Modification Design on Tooth SurfaceWear of Transmission Gears
Gears are widely used in various mechanical equipment, due to their uniqueThe transmission characteristics inevitably cause tooth wear during operation.Tooth
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Time-varying meshing stiffness of straight bevel gear
The meshing stiffness of spur bevel gears is an important parameter that affects the load capacity and dynamic characteristics of
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Study on Vibration Reduction Method by Gear Staggering Phase Tuning
Introduction Gear vibration and noise are important parameters that affect transmission performance,The vibration and noise control of gear transmission system
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Straight bevel gear model and force analysis
The accuracy of the dynamic model of the straight bevel gear transmission system is affected by the accuracy of the
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Example verification of tooth surface equation of helical gear
The tooth surface of the helical involute cylindrical gear with the number of teeth of Ng is taken as the
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Derivation of tooth surface equation of helical gear
According to the installation layout of the tooth turning tool, the imaginary generating gear and the face gear, the tooth
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Tooth surface equation of helical gear turning teeth
As shown in Figure 1, the tooth surface of the helical gear is composed of the working tooth surface and
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The solution of the tool position in the side milling process of the split straight bevel gear with end mill
0 Introduction Large bevel gears are widely used in important fields such as power generation, ships, and mines.In recent years,
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Spiral bevel gear chamfering based on FAGOR system
With the increasing trend of high efficiency and high precision in gear processing technology,Traditional manual chamfering and manual input of
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Time-varying meshing stiffness calculation and inter-tooth load distribution under helical gear and broken tooth failure
0 Introduction During the gear transmission process, the time-varying meshing stiffness is the driving force of the vibration of the
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Design of remanufacturing double circular arc gear single tooth cutting machine tool
0 Preface Compared with the ordinary tooth profile, the double circular arc tooth profile increases the meshing of the gearLogarithm
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Kinematic analysis of helical gear in tooth turning
In order to turn the entire tooth surface of the face gear when turning the face gear with a conical
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Experimental research on vibration reduction of helical gear shaft system based on GISFD
0 Introduction Gear transmission system is one of the important motion and power transmission components in mechanical equipment, which is