Abnormal analysis of steel gear
Due to the advantages of low-pressure vacuum carburizing and high-pressure gas quenching heat treatment over traditional atmosphere carburizing in terms […]
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steel gear
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Materials and Methods for Quenching SAE J403 Steel Parking Gear
1. Experimental materials The experimental material is SAEJ403 carbon steel. The chemical composition of SAE J403 carbon steel is shown
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Analysis of quenching test results of SAE J403 steel parking gear
Use ultrasonic testing equipment to test the metal hardened layer of carbon steel gears with different thicknesses. Set the sampling
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Characterization of Nonlinear Coefficients of Carbon Steel Gears with Different Hardened Layer Thickness
According to the formula, the nonlinear ultrasonic coefficients of different samples are calculated according to the amplitude of the fundamental
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Ultrasonic Nonlinear Characterization of Quenching Depth of SAE J403 Steel Parking Gear
SAE J403 steel is a high-quality carbon structural steel with good strength, hardness, toughness and other material properties. Therefore, it
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Development of imported automobile gear steel
Among the introduced steel grades of the driving and driven gears of the rear axle, there are mainly Ni Cr
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Development of traditional automobile gear steel
In view of the differences of resources and production process conditions in various countries, the gear steel alloy series used
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Carburized automobile gear steel
Automobile Carburized Gear Steel is mainly low-carbon alloy steel. With the development of automobile industry, low-alloy carburized steel with similar
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Machinability and machinability of automotive gear steel
With the automation of automobile gear processing line, in order to continuously improve production efficiency, many countries are studying the
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Grain size of automobile gear steel
Austenite grain size is of great significance to stabilize the hardenability of steel, reduce the deformation of automobile gear after
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Purity of automobile gear steel
The purity requirement of automobile gear steel mainly refers to the inclusion of oxides and sulfides and the reduction of
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Hardenability of automobile gear steel
In addition to the general requirements of strength, plasticity and toughness of engineering materials, the performance requirements of automobile gear
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Research progress of automotive gear steel
Automobile gear is an important transmission part, which plays the role of transmitting power and changing speed and direction. Due
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Basic situation of automotive gear steel in China
In China’s automobile industry, the materials used for gears in the gearbox have mainly used the gear steel series of
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Basic situation of automobile gear steel abroad
In foreign countries, the carburized gear steel initially used is basically manganese steel and manganese chromium steel. For example, the
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17CrNiMo6 steel gear shaft distortion
As an important part of transmitting power, gear shaft is widely used in transmission or reducer parts of heavy industrial
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Spheroidizing annealing results of 16MnCrS5 steel for cold forged gears
Reduction of area and elongation are one of the key parameters of material plasticity. As shown in the figure, the
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Spheroidizing annealing test results of 16MnCrS5 steel for cold forged gears
After the spheroidizing annealing treatment of four processes, the SEM analysis results of each structure are shown in Figure 1.
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Spheroidizing annealing test of 16MnCrS5 steel for cold forged gears
The chemical composition of 16MnCrS5 steel for cold forged gear used in the test is shown in Table 1, and
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Experimental study on compression of 20CrMnTi gear steel
The compression test is carried out by Gleeble-1500 thermal simulation testing machine to find out the influence law of heating
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Effect of grinding parameters of spiral bevel gear steel on the depth of strengthening layer
The depth value greater than the microhardness 685 HV of carburized layer is recorded as the strengthening layer depth, and
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Test results of grinding residual stress of bevel gear steel
In 1997, Professor Wang Xibin of Beijing University of technology conducted an experimental study on the grinding surface residual stress
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Grinding strengthening of spiral bevel gear steel 30CrMnTi
In view of the performance change of strengthening layer of gear steel 30CrMnTi material under dry grinding condition, through grinding
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Effect of grinding depth on residual stress of cylindrical gear steel
Fixed grinding speed vs = 20.3 M / s and cylindrical gear steel speed VW = 1200 m / min.
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Simulation results of grinding stress field of bevel gear steel
With grinding speed vs = 20.3 M / s and grinding depth AP = 50 μ m. The speed of
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Effect of grinding parameters on surface microhardness of spiral bevel gear steel
The microhardness of workpiece grinding surface corresponding to different grinding speed and grinding depth of spiral bevel gear steel is
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Effect of grinding cooling mode on residual stress of cylindrical gear steel
This paper studies the strengthening effect of cylindrical gear steel grinding on the surface properties of 30crmnti material. The main
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Analysis of micro hardness mechanism of grinding surface of spiral bevel gear steel
In the process of meshing transmission of spiral bevel gear, the surfaces of two teeth often need to contact and
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Effect of grinding speed on residual stress of cylindrical gear steel
Fixed cylindrical gear steel grinding speed vs = 20.3 M / s, cylindrical gear steel grinding depth AP = 50
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Effect of grinding speed on residual stress of cylindrical gear steel
Fixed cylindrical gear steel speed VW = 1200 mm / min, grinding depth AP = 50 μ m. The test
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Causes of grinding residual stress error of cylindrical gear steel
The main causes of grinding residual stress error of cylindrical gear steel are as follows: (1) Idealized value of material
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Finite element modeling of grinding residual stress of bevel gear steel
In the process of mechanical thermal coupling analysis, it is necessary to change from thermal analysis of temperature field simulation
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Residual stress of grinding surface of spiral bevel gear steel
The residual stress on the grinding surface plays a vital role in various properties of the workpiece. It has an
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Hardness gradient of grinding strengthening layer of spiral bevel gear steel
Figure 1 shows the hardness change trend of the original sample without grinding of spiral bevel gear steel at different
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Microstructure analysis of grinding strengthening layer of spiral bevel gear steel
Figure 1 shows the microstructure diagram of the section of the strengthening layer after grinding of 30crmnti. It can be
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Sample of grinding strengthening layer of spiral bevel gear steel
In order to observe the grinding strengthening layer of spiral bevel gear steel and the microstructure of the grinding surface,
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Experimental study on grinding strengthening of spiral bevel gear steel 30CrMnTi
For a long time, researchers at home and abroad hope to suppress and reduce the grinding heat generated in the
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Basic grinding test of spiral bevel gear steel 30CrMnTi
Referring to the actual processing conditions of spiral bevel gear, the basic test of surface grinding of gear steel material
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Physical and mechanical properties of spiral bevel gear steel
During grinding, grinding force will affect the formation of grinding heat and the performance of workpiece surface, and then have
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Situation of gear steel for heavy trucks in China
China’s truck gear steel basically follows the brand of the former Soviet Union. For a long time in the past,
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Surface crack test of s40c steel gear
1. Chemical composition analysis The chemical composition analysis results of steel gears are shown in Table 1, which meet the
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Surface crack of s40c steel gear
With the advent of China’s high-speed, heavy load, alpine and other models, especially the successful launch of China’s standard EMU,
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Analysis of surface crack of s40c steel gear
According to the above inspection results, the cracking of steel gear tooth surface is caused by contact fatigue caused by
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Failure Analysis of 42CrMo Carburized Steel Gear of Coal Mill
1. The chemical composition of sun gear material conforms to the requirement of chemical composition content of 42CrMo steel in
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Coal Mill 42CrMo Carburized Steel Gear
Coal mill is an important equipment in coal-fired units of thermal power plant, which breaks coal blocks into pulverized coal,
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Fracture analysis of 40Cr steel gear shaft
40Cr steel gear shaft is the transmission part of small mechanical equipment. Because the gear shaft must bear large torque
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Ultrasonic nondestructive testing technology for large cast steel gears
Ultrasonic testing technology is a common method in the internal quality testing of large steel castings. Because of many defects
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Analysis of abnormal fracture failure of large induction hardening cast steel gear
A large-scale induction hardening cast steel gear used in a 100 ton crane of an iron and steel company had
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Welding repair technology for defects of cast steel gears
The welding repair process is suitable for repairing casting defects such as pores, sand holes, slag inclusions, cracks (cold and
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Effect of heat treatment on surface structure and hardness of cast steel gears
With the continuous development of social economy, many industries gradually rise, cast steel gear is an indispensable part of all
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Crack analysis of 45 steel tooth blank
The 45 steel gear blank is directly roughened into a column shape with an outer diameter of φ 78mm after