Right traction gear of electric traction shearer
Electric traction shearer is a multi-motor driven shearer with transverse arrangement of motors and normal speed of mining adjusted in […]
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Scientific
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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Six-circle arc profile helical gear
Circular arc helical gear is a point engagement gear, which has the advantages of high bearing capacity, long service life […]
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Trial production and test comparison of adjusted helical gear pump
A set of helical gears with a displacement of 30 ml / R are processed according to the adjusted curve. […]
Scientific
Modeling of Helical Gear Locking Mechanism with Locking Function
Since the locking mechanism is based on an improvement of the Eastern Wind Mentoson 2nd generation differential, the size of […]
Scientific
Comprehensive Analysis of Broken Teeth of Large Helical Gear of Loader Drive Axle
Gear force analysis can be concluded that the radius of curvature of the tooth root fillet is the main factor […]
Scientific
Wear of staggered helical gears
Staggered helical gears are used to transmit the motion between two staggered shafts in space. For a single gear, they […]
Scientific
Final machining and surface integrity control of gears
After hardening or strengthening of gear surface by heat treatment, there are often black oxide skin or other defects, such […]
Scientific
Metallographic analysis of active helical gear
Test equipment: MH-6 micro Vickers hardness tester, TH300 Rockwell hardness tester, DMI5000M metallographic microscope Reference Standards: Metallographic examination of QC/T262-99 […]
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Failure Analysis of Main Helical Gear Pair of Through-drive Axle for a Three-axle Special Vehicle
For a type of three-axle special vehicle, two identical failures occur continuously, and the driving distance after sale is less […]
Scientific
Failure Analysis of Main Helical Gear Pair of Through-drive Axle for a Three-axle Special Vehicle
We can basically conclude that the root cause of tooth breakage and brittle failure of medium drive gear pair is […]
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Correction of contact area of Klingenberg spiral bevel gear
The Klingenberg spiral bevel gear is the manufacturing equipment and technology introduced by our gear factory in the 1980s by […]
Scientific
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 […]
News
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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, […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]
Scientific
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 […]