Improvement of heat treatment technology in Chinese gear production technology
In the research of improving the quality of automobile gears, the priority should be given to the selection of materials, […]
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Scientific
Several measures to prevent forging crack of gear shaft of hard gear reducer
In view of the main causes of the above cracks, we have taken corresponding measures. 1 Strengthen the strict inspection […]
Scientific
Casting process design and properties of spiral bevel gear
As the starting point of the casting forging compound forming process, whether the casting process design and the casting defect […]
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Forging process of driven spiral bevel gear of vehicle main reducer
The driven spiral bevel gear of the vehicle main reducer is forged in one heat and two times. The technological […]
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Research progress of gear materials and heat treatment technology in China
As one of the most basic transmission parts in the mechanical industry, gear can continuously transmit power by using tooth […]
Scientific
Cause analysis of forging crack on gear shaft of reducer with hard tooth surface
High quality low alloy steel s17Cr2Ni2Mo is the first choice steel for hard tooth surface gear and gear shaft. In […]
Scientific
Research on the taper of preform of spiral bevel gear by closed hot die forging
Shu Qifu once put forward the concept of “equivalent blank” to study the influence of taper on the forming process […]
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Brief introduction of forming method of driven spiral bevel gear
This paper briefly introduces the characteristics of several forming methods of driven spiral bevel gear of vehicle main reducer, and […]
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Control of carburizing and quenching distortion of gear and gear shaft of reducer
In the whole manufacturing process, such as design, material, forging, machining, heat treatment, grinding and so on, the distortion of […]
Scientific
Study on the tooth profile of preformed spiral bevel gear by closed hot die forging
Based on the design of the process flow, the main purpose of the closed hot die forging step is to […]
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Advantages and disadvantages of 0 ° spiral bevel gear and straight bevel gear
1、 Straight bevel gear The straight bevel gear is the simplest form of the bevel gear. Its design, manufacture, installation […]
Scientific
Research on the uniform diffusion tooth profile scheme of cold precision forging preform of spiral bevel gear
The forming quality of forgings directly determines the product quality and service life. After hot die forging, the surface finish […]
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Present situation of rack and pinion drilling machine
The conventional drilling rig uses the hoisting system composed of winch, wire rope, crown block and traveling block to drive […]
Scientific
Characteristics of rack and pinion drilling machine
Since the end of 1990s, the multi-functional rack and pinion drilling rig has played an important role in the effective […]
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Failure form and analysis of spiral bevel gear in use
Gear failure generally occurs on the tooth surface, rarely in other parts. According to the basic form of gear failure […]
Scientific
Process analysis and forging drawing of spiral bevel gear
1. Part drawing analysis The figure is the part drawing of the rear axle driven spiral bevel gear of a […]
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Possible defects in heat treatment of bevel gears and preventive measures
The possible defects in the heat treatment of 20CrMnTi spiral bevel gear are as follows: 1. Uneven depth of carburized […]
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Six key technology upgrading of China gears industry
This part is the main content of gear technology roadmap. This paper analyzes the current situation, challenges and development goals […]
Scientific
The significance and direction of the research on Casting Forging Compound Forming Technology of spiral bevel gear
Using traditional manufacturing technology to produce high-performance and complex parts has become a bottleneck restricting the improvement of product quality […]
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Development and analysis of 20CrMnTi active spiral bevel gear processing technology
According to the technical requirements of the above parts, the following process route is hereby formulated for 20CrMnTi gear: blanking, […]
Scientific
Research status of Casting Forging Compound Forming Technology for spiral bevel gear
The advantage of casting process is that it can produce castings of any size and shape at low cost, but […]
Scientific
The influence of the transmission ratio and center distance of the worm gear combination on the rotation accuracy
The two-stage transmission mechanism combined with worm and gear is widely used because of its advantages of high transmission power, […]
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Service conditions and performance requirements of the driving spiral bevel gear of the loader
1. service conditions of driving spiral bevel gear parts Gears play the role of transmitting power and changing speed in […]
Scientific
On the new milling method of spiral bevel gear
Based on the generating principle of spherical involute tooth surface, a new method of cutting tooth surface of spherical involute […]
Scientific
Design example and test of eccentric displacement gear
According to the method of generating tooth profile, the software of calculating the tooth profile of eccentric displacement gear is […]
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Seven key development areas and goals of China gears industry
1.Seven key development areas of China gears industry There are many types of gear products and wide application fields. According […]
Scientific
Research status of forming technology for spiral bevel gear of automobile rear axle
Automobile rear axle (also known as drive axle) refers to the rear drive shaft and related components used to transfer […]
Scientific
The difference between helical gear drive and worm gear drive
Spiral gear transmission and worm gear transmission are two basic mechanical transmission modes. Spiral gear transmission is mainly the fit […]
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Service conditions and performance requirements of the driving spiral bevel gear of the loader
1. Service conditions of driving spiral bevel gear parts Gears play the role of transmitting power and changing speed in […]
News
Seven major problems faced by China gears industry
During the 11th Five Year Plan period, driven by the rapid development of automobile, wind power, high-speed rail, construction machinery […]
Scientific
Production technology of spiral bevel gear for automobile rear axle in China
During the 12th Five Year Plan period, China’s automobile industry has made great progress, and the automobile production and sales […]
Scientific
Seven similarities between worm gear drive and spiral gear drive
1.The judgment method of rotation direction is the same The spiral gear drive and the worm drive have the same […]
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Material selection and process design of driving spiral bevel gear of loader
Loader is a kind of earth and stone construction machinery widely used in highway, railway, construction, hydropower, port, mine and […]
Scientific
Detection and correction technology of tooth surface deviation of spiral bevel gear
In the production practice, it is an important link to detect the machining error of spiral bevel gear quickly and […]
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The modulation characteristics of gear vibration signal
The common points of frequency modulation and amplitude modulation of gear vibration signal are: ① the carrier frequency is equal; […]
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U~Z-beginning gear processing vocabulary Chinese English comparison
U. 1． Undercut 根切 2． Undeveloped settings 试切前调整 3． Uniform roll 匀速滚动 4． Uniform velocity tester 匀速试验机 5． Uni-spand 大轮心轴 […]
Scientific
Machining machine and adjusting parameters of spiral bevel gear
The processing principle of spiral bevel gear is shown in the figure. Its profile wheel is an imaginary flat top […]
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Gear defect – tooth surface defect
1.Tear Main cause 1) Uneven material of gear blank 2) Improper heat treatment of gear blank 3) Chip accretion due […]
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T-beginning gear processing vocabulary Chinese English comparison
1． Tangential load 切向负荷 2． Tangent plane 切平面 3． Tanline 小轮夹具 4． Tanruf 双联粗切刀，8.5模数一下 5． Tan-tru 用在加工1016－2540mm的锥齿刀具 6． Taper roughing […]
Scientific
Design criteria and calculation process of double circular arc gear in rolling mill
The use of steel is very extensive, and its role in the national economic system is crucial. With the rapid […]
Scientific
Structural features of precision forging die for half shaft gear
The pre forging die and final forging die need to be designed for the precision forging of the half shaft […]
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Principle of helical gear drive
The helical gear transmission is composed of two pairs of helical gears, which is a gear transmission between staggered shafts, […]
Scientific
Structural characteristics of precision forging die for planetary gear
The pre forging die and final forging die need to be designed for forming planetary gear by “one heat two […]
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Analysis of gear failure by refined spectrum analysis
Due to the complexity of gear fault symptoms and signals, it is necessary to extract clear fault feature information on […]
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S-beginning gear processing vocabulary Chinese English comparison
1． Scoring 胶合 2． Scoring index 胶合指数 3． Scuffing 胶合 4． Sector 扇形齿／齿弧 5． Segment 扇形齿／体 6． Segmental-blade cutter 大轮精切刀 […]
Scientific
Analysis on the fretting characteristics of gear shaft under complex working conditions
As the main power transmission mechanism, the gear shaft in the gear transmission mechanism mainly supports the rotating parts and […]
Scientific
Precision forging technology and die design of straight bevel gear
Compared with cutting gear, precision forging gear has many advantages. Therefore, using precision forging technology to produce gear is the […]
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Meshing frequency and harmonics of industrial gears
Due to some characteristics of structure and working principle, the vibration signal of gear is more complex. When diagnosing the […]
Scientific
Abnormal vibration of gear shaft under complex working condition
In modern engineering production, many kinds of heavy machinery, such as high-speed rolling mill, heavy-duty operation equipment, special vehicles, large […]
Scientific
Present situation of precision forging technology of spur bevel gear
At present, the forging process of straight bevel gear mainly includes the following “two fire two forging” and “one fire […]
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Other components of gear vibration
There are not only meshing frequency and side frequency components in gear vibration signal, but also other vibration components. In […]
Scientific
Realization of additional rotation and other motions of helical cylindrical gears
At present, the additional rotation in the slotting process of spiral gear is widely realized by the spiral guide rail. […]
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R-beginning gear processing vocabulary Chinese English comparison
1． Rack 齿条 2． Radial 径向刀位 3． Radial load 径向负荷 4． Radial locating surface 径向定位表面 5． Radial rake angle 径向前角 […]
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Improve the bearing capacity and service life of gears
Increase the center distance. The center distance is one of the main parameters to determine the bearing capacity of the […]
Scientific
Application of numerical simulation technology in gear precision forging
Metal bulk forming is a complex process of large plastic deformation, that is, there is a nonlinear relationship between the […]
Scientific
Kinematic analysis of spiral gear shaping
According to the analysis, in order to cut a complete spiral gear, the gear shaping and workpiece blank must have […]
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P-beginning gear processing vocabulary Chinese English comparison
1． Path of action 啮合点轨迹 2． Path of contact 接触迹 3． Peak load 峰值负荷 4． Peak torque 峰值扭矩 5． Pedestal […]
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O&Q-beginning gear processing vocabulary Chinese English comparison
1． Octoid teeth 锥齿轮的“8”字啮合 2． Offset 偏置距 3． Operating load 工作负荷 4． Operating pressure angle 工作压力角 5． Operating torque 工作扭矩 […]
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The frequency modulation of gears
In addition to the influence on the vibration amplitude, the load fluctuation caused by gear load nonuniformity, gear pitch nonuniformity […]
Scientific
The principle and motion analysis of slotting of helical gear
Principle of slotting When the gear shaper is used to cut helical gears, it is equivalent to the meshing of […]