Effect of Coupling of Speed and Torque of Spur Gear
The figure shows the backlash Jn=0 mm and the lubricant viscosity 0=under 4 different lubrication conditions.0.033At Pa_s, a cloud diagram […]
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Simulation Research on Gear of Helical Gear Pump
A group of suitable parameters are selected for simulation to obtain the toothed curve as shown in the figure. Through
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Helical Gear Differential Assembly with Locking Function and Function Description
Assemble the parts in SolidWorks to form an assembly of helical gear limited-slip differential with locking function as shown in
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Parametric Modeling of Helical Gear with Locking Function
According to the structural design data, digital modeling is carried out in SolidWorks software. (1) Design of end profile.Setting helical
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Design of conjugation curve of helical gear pump
The profile of the circular arc curve – Involute – circular arc curve is used, the circular arc curve is
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Verification of Deformation Characteristics during Hot Precision Forging of Cylindrical Helical Gears
In order to verify the reliability of finite element simulation results, a coordinate grid test was carried out on a
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A spiral gear pump
At present, the product application of gear pump has been very wide.The structure of gear pump generally includes two spur
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Force Analysis of Broken Tooth of Large Helical Gear of Loader Drive Axle
According to the working characteristics of gears, during the transmission of power and motion, the gear will generate bending stress
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Surface strengthening and surface integrity control of gears
In addition to surface hardening to improve the hardness and strength of the surface layer, in order to improve the
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Experimental Research and Contrast Analysis on Tooth Surface Contact Temperature of Spur Gear
The main and driven gear materials in the gear temperature measuring test stand are constantan and 40Cr steel respectively. In
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Basic parameters of helical gears with locking function
Parallel-shaft helical gears (helical gears) have an additional helical angle in addition to the same basic parameters as spur gears.Expand
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Helical surface equation of helical gear with locking function
It is generally believed that there are two ways to derive the helical surface.One assumes that the helical surface is
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Helical Gear Limited Slip Differential with Locking Function
Military off-road vehicles need good passability to adapt to complex road surfaces.The ordinary planetary gear differential has simple structure. Although
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Deformation of cylindrical helical gear in different tooth deformation areas during hot precision forging
In order to understand the deformation and flow rules of metal in different positions of blank during forming, five sections
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Improvement measures for broken teeth of large helical gear of loader drive axle
(1) Replace the gear cutting tool with bigger fillet on the top of the tooth to increase the radius of
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Establishment of Heat Transfer-Deformation Coupled Finite Element Model for Cylindrical Helical Gear
Accurate three-dimensional geometric model of cylindrical helical gear is the precondition of establishing heat transfer-deformation coupling finite element model.The basic
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Physical and chemical inspection on broken teeth of large helical gear of loader drive axle
1. Macro-examination The fracture morphology of the failed large helical gear teeth is analyzed. As shown in Figure 1, it
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Failure Analysis of Broken Tooth of Large Helical Gear of Loader Drive Axle
During the installation test of a large helical gear of a loader drive axle during its development, it was found
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Verification of Spur Gear Model and Application of Example
According to the accurate modeling idea of spur gear pair, the meshing stiffness calculation can be calculated by the inductive
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The future development trend of gear anti fatigue manufacturing technology
The development of gear machinery manufacturing industry in the world can be divided into three stages according to the characteristics
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Heat treatment hardening and surface integrity control of gears
The non main load-bearing gear is often machined directly after quenching and tempering of 45 steel. The recently developed low
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Calculation of Tooth Face Friction Factor of Spur Gear under Different Lubrication Conditions
Gear transmission system mainly has 4 different lubrication states, including elastohydrodynamic lubrication, mixed lubrication, boundary lubrication and dry friction.The friction
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Division of Tooth Deformation Stages during Hot Precision Forging of Cylindrical Helical Gears
The figure shows the load stroke curve of the cylindrical helical gear during hot forging.At the early stage of forming,
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Tooth Deformation Law of Cylindrical Helical Gear during Hot Precision Forging
Cylindrical helical gears are widely used in ship, automobile, aviation and other industries because of their smooth transmission, good engagement
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Time-varying meshing stiffness calculation of spur gear potential energy method
The profile shape of standard involute gears generally consists of two sections, i.e. transition rounded curve AB and involute curve
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Geometric motion model of spur gear meshing
According to the engagement principle of involute spur gear, when a pair of involute profiles engage and drive, any engagement
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Accurate modeling of time-varying meshing stiffness of spur gear pair based on geometry and potential energy method
In mechanical transmission system, gear transmission system is the most widely used in power and motion transmission devices.Time-varying meshing stiffness
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Laser tracking in place measurement method for oversize gears
As far as the gear in place measurement is concerned, the common problem is how to accurately determine the position
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Calculation of tooth surface contact temperature of spur gear
During gear meshing, the tooth contact temperature and the instantaneous tooth surface temperature change in real time, which can be
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Calculation of instantaneous temperature on tooth surface of spur gear
Tooth surface instantaneous temperature is the instantaneous high temperature generated by contact points during gear meshing, which is mainly distributed
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Simulation Analysis of Residual Stress on Gear Forming Grinding
Due to the different normal grinding depths and wheel speeds at different locations of the involute, the intensity of the
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China has a class 1 precision standard gear
In many important fields such as industrial production, aerospace and military equipment, precision gear processing technology plays a key role,
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A new method for measuring the tooth profile of large gears
As shown in the figure, when using the generating method to measure the big gear, the conical probe should start
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Multi site integrated parallel measurement technology for super large gears
The diameter of the oversize gear is large, the number of teeth is large, and the inertia is large. If
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The difficulty of measuring big gear
Gears are usually divided into vehicle gears and industrial gears. According to the Convention, gears with a diameter greater than
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Geometric and Kinematic Analysis of Forming Grinding of Spur Gears
As shown in Fig. 1, spur gear shape grinding is to trim the wheel shape to the desired profile and
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Residual stress on tooth surface of spur gear forming grinding
Forming grinding of spur gears is to trim the grinding wheel into an outer profile exactly the same as the
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The realization of gearbox system of agricultural machinery tractor
1. Create gear parametric model Nx software itself can generate gear model, but it can only generate the bottom features
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Obtaining spur gear parameters using machine vision
1.Obtaining Basic Gear Parameters There are many gear parameters and there are certain connections among them. The most important one
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Online measurement of spur gears using machine vision
Gear is one of the most important parts in modern industrial production. In mass production of gears, on-line measurement and
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Conclusion on surface oxidation of Cr Mo Si steel used in automobile gearbox during gas carburizing
The hardness results of carburized layer of heat treated 2.3cr-0.9si-0.3mo steel were measured in the conversion gas reduction furnace and
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Knowledge engineering technology for gearbox of agricultural machinery tractor
Knowledge is the decisive factor of new product competitiveness. The product design based on knowledge engineering is to summarize and
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Experimental conclusion on contact temperature of spur gears
The experimental results of ZHY gear only verify the correctness of the calculation method of tooth contact temperature under EHL
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Contact temperature of spur gears
Gears are widely used in mechanical transmission. Due to the existence of tooth friction, the tooth contact temperature of the
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Analysis of the mechanism of the uneven load of the gear transmission
The abstract diagram of the cogwheel split torque drive is shown in Figure 1. The transmission direction shown in Figure
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Study on surface oxidation of Cr Mo Si steel used in automobile gearbox during gas carburizing
With the increasingly strict global regulations on carbon dioxide emissions and fuel consumption efficiency, automobile powertrain systems become more compact
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The main reducer of a helicopter’s coaxial gear split torsional transmission
The overall configuration of the main reducer of a helicopter’s coaxial gear split torsional transmission is shown in Figure 1.
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The load sharing of the cogwheel of a helicopter
The coaxial gear split torque drive is a new type of helicopter main reducer. The enhanced rotorcraft drive system program
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Function analysis of gearbox system of agricultural machinery tractor
The virtual design method of gearbox gear based on knowledge integrates knowledge engineering and parametric design technology, and develops the
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Gearbox gear of agricultural machinery tractor based on knowledge
Due to the crisis of aging population and the sharp decrease of agricultural labor force, China attaches more and more
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Advantages of gear transmission in civil aircraft engines
In order to reduce the unstable factors, the designer thought of the gear transmission technology, which is different from the
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Knock test analysis of automobile transmission gear
According to the knock phenomenon of transmission gear, it is mainly divided into bench test and real vehicle test. In
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Development of gear transmission technology for civil aircraft engine
For decades, the main structure of civil aircraft engine has not changed until the appearance of gear transmission technology. Gear
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Dynamic characteristics of Cracked Gear Transmission System
With the all-round development of the mechanical industry, the requirements of the mechanical equipment for the transmission system are higher
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To improve the quality of gear steel and promote the high-end gear industry
In particular, the plan proposes to implement a special plan for improving the quality of gear steel. At present, the
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Theoretical research and solution method of knock model of automobile transmission gear
The phenomenon of gear knocking in automobile transmission belongs to the NVH dynamics problem of transmission system. The research idea
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“13th five year plan” gear industry will make full efforts to the high end
In the “13th five year plan” for the development of China’s gear industry (hereinafter referred to as the “plan”) previously
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Research on the knock model of automobile transmission gears based on multi pair gears
Automobile transmission includes many pairs of helical gear pairs, multiple bearings and synchronizer assemblies, etc. when considering the spatial meshing
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Stable development of gear industry and development towards high end
Recently, Professor Zhang Ruifen of ZHY gear said at a gear industry seminar: “there are many fundamental technical problems of
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Research on the knock model of automobile transmission gears based on single pair of gears
With the rapid development of the automobile industry, automobile users have higher and higher requirements for the comfort of automobile