This article focuses on the thermal characteristics of dry gear hobbing machines. It proposes a multi-source information fusion testing method […]
1. Introduction Gear, as a crucial mechanical component with teeth on the rim for continuous meshing to transmit motion and
This article comprehensively analyzes the influence of bearing clearance on gear shaping. It begins with an introduction to the basic
Ball mill gear transmission systems play a crucial role in industrial production, and their performance directly affects the working efficiency
Abstract This comprehensive article delves into the detailed failure analysis of transmission gears, specifically the driving and driven gears of
The gearbox is the core component of the high-speed train power steering system, which isThe core unit for energy conversion
Gear transmission, as one of the most widely used transmission methods in the mechanical industry, has the characteristics of high
Due to the advantages of low-pressure vacuum carburizing and high-pressure gas quenching heat treatment in terms of carburizing accuracy, intergranular
Introduction Linear conjugate internal meshing gear transmission, also known as straight tooth conjugate internal meshing gear transmission, was first proposed
Harmonic gear transmission is currently widely used in automatic control systems such as aerospace, robotics, CNC machine tools, light industry
Linear conjugate internal meshing gear transmission, also known as straight tooth conjugate internal meshing gear transmission, was first proposed by
Introduction This study aims to investigate the failure mechanism of automotive planetary gears, andPropose corresponding optimization design to improve the
Helical gears have a high degree of coincidence with straight gears and have stable transmissionGood, compact structure, high load capacity,
Gear transmission is widely used in machinery, transportation and other fields.The operating efficiency and service life are largely determined by
To perform multi-objective optimization simulation verification of geometric parameters for helical gear transmission, it is essential to follow a systematic
Multi-objective optimization design is a method used to optimize the performance of a system or component by considering multiple objectives
3D modeling of the helical gear pair corresponding to the optimal solution B before and after optimization using MASTA software.
Through multi-objective optimization design and simulation analysis of a single stage helical gear reducer, the following conclusions can be drawn.
The factors that cause transmission errors in the spur gear system include manufacturing errors of the spur gear itself, tooth
Transmission error is a key performance indicator for evaluating the transmission accuracy of planetary gear transmission systems, and it is
Transmission error refers to the deviation between the actual output angle and the ideal angle of a helical gear along
A kind of traction underactuated pull in manipulator based on planetary gear mechanism is designed. The fingers of the manipulator
In general, the underactuated manipulator driven by motor usually uses the dynamic coupling effect to realize the underactuated form of
The manipulator is the part that directly contacts with the target object and plays the role of clamping and pulling
The transmission system of the cutting section (hereinafter referred to as the rocker arm) of the imported 6C shearer of
It is a long and tedious process to calculate the parameters of involute gear transmission system in reducer design. In
1) Inherent characteristic analysis At present, the analysis of the natural characteristics of involute straight bevel gear system generally includes
Compared with meshing stiffness and backlash, transmission error is the main internal excitation of involute spur bevel gear system. The
For a long time, the products of many manufacturing enterprises in China are at the middle and low end of
According to the actual load condition of the system, define the input and output of the involute spur bevel gear
At present, there are many software for gear transmission dynamics analysis, such as ANSYS, romax, Masta, kisssoft and so on.
According to the performance requirements of the reducer, the technical parameters are determined on the basis of the above structural
This paper discusses the research status of tooth modification technology, gear transmission dynamics theory and gear transmission dynamics simulation analysis
Mechanical equipment has higher and higher requirements for the stability, vibration performance and accuracy of gear transmission, but various errors
In the primary stage of gear transmission dynamics research, based on the lack of effective numerical methods to solve the
1) Analytical theory The theoretical basis of gear transmission dynamics research is mechanical linear dynamics theory and nonlinear dynamics theory,
When the central bevel gear transmission system works, the fatigue fracture fault of the central bevel gear often occurs due
There are two kinds of torsional vibration of bevel gear transmission system: low-frequency torsional vibration and high-frequency torsional vibration. Low
The excitation of gear transmission system mainly includes the following two aspects: one is the internal excitation generated by the
Since the 1970s, scholars have done extensive and in-depth research on gear transmission system. Scholars began with the simple dynamics
The torsional vibration analysis model only considers the torsional vibration of the system. In the vibration analysis of the gear
The dynamic characteristics of gear system mainly include the natural frequency, dynamic response, dynamic stability, the influence of system parameters
The dynamic behavior of gear transmission system mainly includes the dynamic meshing force, dynamic load coefficient, vibration and noise characteristics
The main factors causing transmission errors of spiral bevel gears include the quasi conjugate characteristics of the tooth surface, deformation
The vibration acceleration in all directions of the helical gear is synthesized into the relative vibration acceleration a in the
Cylindrical gears have the advantages of strong bearing capacity, stable meshing, convenient processing and adjustment, and are widely used in
Single circular arc tooth profile arc tooth profile a single tooth is shown in Figure a. its tooth profile curve
According to the method of solving the dynamic load characteristics of spiral bevel gear system, the positive pressure N1 =
The key to the influence of the damping ring on the dynamic characteristics of the system lies in the positive
The change of input speed is directly reflected in the dimensionless meshing frequency ω H changes. The dynamic load coefficient
Spur gear transmission is the most important transmission mode in mechanical equipment. It has the advantages of high transmission efficiency,
This paper makes a systematic analysis and Research on the vibration reduction of spiral bevel gear transmission based on additional
The dynamic characteristics of spiral bevel gear transmission system with additional damping ring are studied. The main contents are as
The figure shows the dynamic model of spiral bevel gear transmission system under elastic support. Establish a rectangular coordinate system,
Spiral bevel gear is widely used in the high-speed stage of various mechanical transmission systems, such as aviation reducer system,
The main function of hypoid gear is to carry out spatial staggered shaft transmission. The so-called staggered shaft refers to
The overall error is treated as a discrete point on the contact line of the helical gear to indicate the
According to the actual meshing sequence of the helical gear, the overall error curve of the unit helical gear pair
The overall error curve of helical gear is a complete error curve of helical gear, which is formed by measuring
Figure 1 shows the influence curve of helical gear tooth surface friction coefficient on dominant frequency resonance. It can be
