Calculation of Tooth Surface coordinates of Spiral Bevel Gear
When the parameters of the motion law of the machine tool are determined, the motion equations can be formed by […]
When the parameters of the motion law of the machine tool are determined, the motion equations can be formed by […]
Professor Zhang Shusen of Liaoning University of engineering and technology put forward a new method of tooth profile design and
The process pitch cone node of the spiral bevel gear coincides with the design pitch cone node, the pitch cone
Since 1982, Hanjiang tool factory and Taiyuan Heavy Machinery Factory have cooperated to study 18 ‘single edge precision cutting cemented
The workpiece coordinate system is established by taking the installation surface of the workpiece gear as the coordinate plane and
Since the 1960s, Japan, the former Soviet Union and some other countries have successively carried out the development and research
The axial section of the cutter head is made, and the coordinate system is established as shown in the figure.
During gear grinding, the surface layer structure of the gear will change, that is, grinding burn. The reason is that
Establish the coordinate system as shown in the figure according to the geometric model of the machine tool. Among them,
Scraping can be defined as such a process, which is to remove the small machining allowance on the hardened tooth
Gear machining usually has direct generating method and indirect generating method. The direct generation method is to make the cutting
Gear lapping is a traditional process. It is a method of micro removal of workpiece surface with free abrasive particles
Spiral bevel gears and hypoid gears are on hypoid machine tools. The design principle of this machine tool is shown
When the gear pair is driven, the meshing point of the tooth surface expands into an approximate elliptical contact area
Spiral bevel gears are widely used in aviation, automobile, shipbuilding and other industries. When considering the load distribution of multi
The flexibility matrix method is used to solve the three-dimensional elastic contact problem. The solution of the contact problem of
The obtained normal curvature and short-range torsion Aa1, BA1 and CA1 are along the direction of EA1 and TA1. Let
Because the research idea is novel, the electromechanical combination involves a wide range, and needs solid mathematical theoretical knowledge, especially
Gleason system is the main spiral bevel gear produced and used in China. Gleason gear technology has been the research
According to the spiral bevel gear CNC machine tool of Gleason Company, the geometric model of the CNC machine tool
Spiral bevel gear has been widely used in aviation, automobile, shipbuilding, engineering machinery and many other industrial fields. Spiral bevel
The transmission performance of spiral bevel gear pair 1 is mainly manifested in the angle of tooth surface contact trace,
The scraping cutter head for hard tooth surface of spiral bevel gear is a direct tool for scraping processing. Its
A Rake face selection Generally, tool regrinding is carried out on the rake face. The scraping cutter head is a
Spiral bevel gear is the most widely used spiral gear in production. Because it has the characteristics of stable transmission,
The adjustment parameters of machine tool cutting play an important role in the tooth contact of spiral bevel gear. How
The basic ideas of finite element analysis are summarized as follows 1) The continuous structure is discretized into a calculation
In the process of planetary carrier transmission, the axis of planetary gear will be offset, and the load distribution in
The contact analysis of meshing gears of planetary gear train is carried out by using transient dynamic model. To simplify
The transmission scheme is determined according to the technical requirements for the reducer. The transmission schematic diagram and assembly drawing
The main failure modes of gear transmission are tooth surface pitting and tooth fracture. The working time of the reducer
The rudder plays an important role in the control of flight direction and attitude. The reducer of steering gear mainly
The cutting of spiral bevel gear is carried out according to the principle of “imaginary flat top gear”. As shown
For the non-circular gear, assuming that the radius of the imaginary flat top gear is equal to the spherical radius
Bevel gear is widely used in vehicle differential, machine tool transmission box and other transmission machinery. The non-circular bevel gear
Because the coordinate system of milling cutter head is not the coordinate system of CNC machine tool, but also requires
For bevel gear, pitch curve is circular, and each tooth is the same. During machining, the starting position of the
The 3D models of nutation inner and outer bevel gears are imported into the finite element analysis software and assembled.
Fatigue strength constraint The nutation bevel gear adopts the basic tooth profile of GB / T 12759-1991 double circular arc
The single-stage nutation reducer is designed with the radial size less than 108 mm, the transmission power of 20 kW
The wobble of a coin on the table before it stops is nutation. A nutation transmission mechanism is formed by
The digital closed-loop manufacturing technology of end face spiral gear coupling is studied (1) The mathematical model of tooth surface
The end face spiral gear coupling (also known as circular arc end gear) was invented by Gleason company. Relying on
The optimal design mathematical model of single-stage bevel gear nutation reducer is as follows Where 1 ≤ J ≤ 12.
According to the principle of nutation, various nutation mechanisms have been designed and studied from the aspects of structure analysis,
The single-stage nutation spiral bevel gear is obtained by sweeping along the tooth line with double circular arc as the
The surface roughness Ra near the ablation pit can objectively reflect the micro geometric characteristics of the ablated material surface.
After femtosecond laser micromachining the tooth surface, optical microscope dmm-300c was used to observe the characteristics of ablation ring morphology
In order to study the influence of different energy density on the depth of ablation pit, vhx-600 three-dimensional depth of
The finite difference method is used to solve the two temperature equation. The laser pulse width is 800 FS, and
The femtosecond laser micromachining system used in the experiment is shown in the figure. It is mainly composed of laser,
In the study of femtosecond laser ablation of 20CrMnTi gear material, the two temperature model is used to study the
20CrMnTi, commonly used material for spiral bevel gears, is a kind of good carburizing steel with high impact toughness, high
As a new type of gear transmission structure, spiral bevel gear transmission is the key component to realize spatial intersecting
There are three aspects to consider when designing the tip radius: (1) No interference occurs in the running process of
At present, the materials for spiral bevel gear are 20CrMnTi, 22CrMoH, etc. They are widely used in high-speed, medium or
1. Forms of Failure A hypoid gear pair is used to match medium truck, medium bus, medium empty cabinet tractor
The tooth height coefficient of hypoid gear pair mainly includes working tooth height coefficient and tooth crest height coefficient, which
Spiral bevel gear pair is the main part affecting the performance of axle and vehicle. It is widely used because
The design of side gears and hypoid gears is the same as that of arc gears and hypoid gears. The