Tooth shape design of electrode of precision forming tool for bevel gear cold rotary forging
The rotary forging die of bevel gear is composed of concave mold cavity and upper mold swing head. The machining […]
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Scientific
Point contact conjugate transmission of spiral bevel gear
Spiral bevel gear is point contact conjugate transmission. Under light load, the gear pair forms an elliptical contact area near […]
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Establishment of gear geometric analysis and mechanical analysis
In the establishment of mechanical model, the gear tooth is simplified as a cantilever beam, and the contact state under […]
Scientific
Calculation of rotary forging force of bevel gear
The calculation of rotary forging deformation force can provide a theoretical basis for selecting the tonnage of rotary forging machine. […]
Scientific
Bevel gear cold rotary forging precision forming swing head inclination γ determine
Swing head inclination γ It refers to the included angle between the cone die axis and the fuselage axis. Swing […]
Scientific
Meshing analysis of spiral bevel gear tooth surface
According to the establishment of coordinate system and spatial matrix transformation, such as the distance from any point of wheel […]
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Load contact analysis of gear teeth
Gleason system is the main spiral bevel gear produced and used in China. Gleason gear technology has been the object […]
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Historical background of spiral bevel gear research
Spiral bevel gears have been widely used in many industrial fields, such as aviation, automobile, shipbuilding, construction machinery and so […]
Scientific
Establishment of meshing coordinate system and spatial matrix transformation of spiral bevel gear tooth surface
At present, most of the spiral bevel gears used in China adopt the American Gleason gear system, and its design […]
Scientific
Rolling ratio spiral bevel gear technology of machining machine tool
i02 is the roll ratio of the machine tool and the process pitch cone of the spiral bevel gear. As […]
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NC machining of spiral bevel gear
NC machining is a new technology in spiral bevel gear machining. Because of its great technical difficulty, at present, only […]
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Application of cold rotary forging process in precision machining of bevel gear
The precision forming of bevel gear by cold rotary forging is an advanced gear processing technology adopted in recent years. […]
Scientific
Preparation of preform for cold rotary forging deformation of bevel gear
The preparation of bevel gear cold rotary forging preform needs three steps: forming, softening annealing and lubrication process design. 1) […]
Scientific
Determination of adjustment parameters of spiral bevel gear meshing machine tool
In the process of spiral bevel gear machining, the large wheel often adopts the generating method and forming method, and […]
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Principle of post processing algorithm for spiral bevel gear NC machine tool
In the processing program of NC automatic programming language, the part that transforms the tool path generated in the pre-processing […]
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Study on precision forming process of bevel gear by cold rotary forging
As a typical transmission part, gear is widely used in many industries, such as aviation, aerospace, automobile, instrument and so […]
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Advantages of hyperbolic gears
In addition to the advantages and disadvantages of spiral bevel gears, hyperbolic gears have the following advantages: 1. Due to […]
Scientific
Meshing point contact conjugate surface of spiral bevel gear
When two moving surfaces s (1) and S (2 When two moving surfaces s (1) and S (2) are driven, […]
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Spiral bevel gear has more advantages than straight bevel gear
Compared with straight bevel gears, spiral bevel gears have the following advantages. 1. The contact ratio is increased, that is, […]
Scientific
Induced curvature of common roller surface of spiral bevel gear meshing
When two surfaces s (1) and S (2) are completely conjugate, their relative curvature at the contact point is called […]
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Classification of spiral bevel gears according to tooth height
Along the tooth length direction, see whether the big end and the small end of the tooth are consistent to […]
Scientific
Meshing equation of spiral bevel gear
When two tooth surfaces mesh, the two tooth surfaces must be tangent at a point m in space. It can […]
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Classification of spiral bevel gears according to the intersecting position of axes
Due to the need of use, the position relationship between the axes of a pair of spiral bevel gears is […]
Scientific
Relative differential method of spiral bevel gear meshing
Let s (T) be a surface moving continuously in space, u and V are its surface parameters. When expressed by […]
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Classification of spiral bevel gears according to the pitch line of tooth surface
Spiral bevel gear is a kind of complicated gear among all kinds of gears. Because of its special tooth profile, […]
Scientific
Post processing algorithm of five coordinate linkage for spiral bevel gear NC machine tool
According to the processing principle of spiral bevel gear, to process the bevel gear on the NC machine tool shown […]
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Research on Machining Theory of Spiral Bevel Gear NC Machine tool
The machining theory of spiral bevel gear is to get rid of the original Gleason machine tool shaking table, eccentric […]
Scientific
Parameter adjustment of spiral bevel gear pinion machine tool
The machine tool adjustment of the variable method for machining the small wheel is shown in the figure, and the […]
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Research innovation of fatigue crack and data simulation of heavy load transmission gear
1) 42CrMo steel was studied by means of experiment and simulation, and various factors affecting fatigue crack propagation under different […]
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Present situation and Development of Spiral Bevel Gear Machine tools in China
The research of bevel gear in China started relatively late. Since the 1970s, the gear machine tool of Gleason Company […]
Scientific
Influence of load on stress intensity factor at crack front of heavy duty gear
The gear pair model with semicircular initial crack is established. The mode 1 stress intensity factor is calculated when the […]
Scientific
Calculation of cutting tool position of spiral bevel gear NC machine tool
Tool position calculation is to calculate the position and attitude of the tool relative to the workpiece (referred to as […]
Scientific
Influence of crack size on stress intensity factor at crack front of heavy duty gear
The figure is a graph of the leading edge mode I stress intensity factor of a semicircular crack with a […]
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Numerical simulation of fatigue crack propagation in tooth root of meshing heavy duty gear
Through the bending fatigue test and corresponding numerical simulation, it is obtained that the fracture of the tooth root is […]
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Bevel Gear Machining system of KlingeInberg and Oerlikon
KlingeInberg company of Germany recently developed a new type of gear cutting machine: KNC/S35, which is a universal CNC spiral […]
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Analysis of static strength of transmission gear in heavy equipment
After setting the corresponding analysis conditions, enter the solution analysis stage. After the calculation, you can get the Mises equivalent […]
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Gleason Bevel Gear Machining system
Gleason is the main supplier of quasi-hyperboloid bevel gear machine tools. The original Gleason No.116 gear milling machine of the […]
Scientific
Pitch cone parameters of spiral bevel gear pinion machine tool
The pitch distance of the production wheel is R01, the helix angle β 01, and the rolling correction coefficient of […]
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Experimental study on bending fatigue of 42CrMo heavy equipment transmission gear
Cracks will first appear at the tooth root of the gear, because when the gear is running, the meshing other […]
Scientific
Analysis of stress and strain distribution law of heavy load transmission gear
Von Mises proposed for material conditions under complex stress: The shape change energy density is: Therefore, Mises yield condition is: […]
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Present situation and Development of Spiral Bevel Gear Machine tools at Home and abroad
The history of gear technology can be traced back to 3000-5000 AD, almost synchronized with human history. Gear transmission is […]
Scientific
Determination of Cutter head parameters of Spiral Bevel Gear small Wheel Machine tool
When the small wheel is machined by the variable method, the tooth profile angle of the small wheel cutter head […]
Scientific
Curvature and normal Vector at the Tooth Surface calculation Point of Spiral Bevel Gear
The normal curvature and short-range torsion of the tooth surface of the pinion at the calculated point M are as […]
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Production and Development of Bevel Gear Machine tools in China
Domestic machine tools for processing spiral bevel gears mainly rely on imports. For example, Shanghai Machine tool Domestic machine tools […]
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Numerical simulation of fatigue propagation of mode I crack in compact tensile specimen of heavy load transmission gear
The model used for numerical simulation of fatigue crack growth is the same as the compact tensile specimen of 42CrMo […]
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Mode I crack fatigue growth test and fracture morphology analysis of compact tensile specimen of heavy load transmission gear
By referring to the national standard GB / t6398-2000 test method for fatigue crack growth rate of metallic materials, the […]
Scientific
Induced curvature of large and small Gear Tooth Surface at the calculated Point of Spiral Bevel Gear
Let the angular velocities of large and small wheels are: ω G2 and ω G1: The speed of the big […]
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The purpose and significance of studying Bevel Gear Machining Machine tool
The theory of spiral bevel gear was put forward by E. Wildhaber, M.L. Baxter, a scientist of Glenson Company in […]
Scientific
Fatigue crack growth rate formula of heavy transmission gear under different stress ratio
The experimental measurement shows that the lower threshold of fatigue crack growth is 15.29 and 5.08 when the stress ratio […]
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Experimental study on fatigue crack growth rate of heavy transmission gear under different stress ratios
As can be seen from the figure, when the stress ratio r = 0.1 and the fatigue crack length α […]
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The production of bevel gears in China is growing rapidly
Gear production plays a very important role in the modern machinery manufacturing industry, especially in the production of automobiles, aircraft, […]
Scientific
Tooth surface curvature of spiral bevel gear
The right-hand wheel and the left-hand production wheel are an aligned hyperboloid gear pair, and the tooth surface of the […]
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Fatigue crack propagation of heavy load transmission gear
Elber proposed the concept of crack closure, and used the theory of crack closure to explain the fatigue crack growth […]
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Shaping and regrinding method of sharp tooth scraping cutter head with hard tooth surface of spiral bevel gear
This paper mainly discusses the shaping method and regrinding method of sharp tooth scraping cutter head with hard tooth surface […]
Scientific
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 […]
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Heavy duty transmission gear is the core component of large equipment transmission
Heavy duty gear is the core component of large equipment transmission. It is widely used in mining, metallurgy, building materials, […]
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New tooth profile design and regrinding compensation method of sharp tooth scraping cutter head of spiral bevel gear
Professor Zhang Shusen of Liaoning University of engineering and technology put forward a new method of tooth profile design and […]
Scientific
Parameters of spiral bevel gear big wheel machine tool
The process pitch cone node of the spiral bevel gear coincides with the design pitch cone node, the pitch cone […]
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Development of scraping machining of hard tooth surface of spiral bevel gear in China
Since 1982, Hanjiang tool factory and Taiyuan Heavy Machinery Factory have cooperated to study 18 ‘single edge precision cutting cemented […]
Scientific
Establishment and discretization of Tooth Surface equation of Spiral Bevel Gear
The workpiece coordinate system is established by taking the installation surface of the workpiece gear as the coordinate plane and […]