Gear manufacturing quenching improves cooling uniformity and reduces distortion
It is the basic principle and method to reduce the distortion of workpiece to make the structure and quality of […]
Scientific
News
Solutions to five common defects in gear machining
In the NC grinder processing industry, the common internal grinding includes bearing ring internal circle processing, gear internal circle processing,
Scientific
Problems left over by the optimization design method of automobile transmission gear parameters
Through the study of the forming process of involute spiral tooth surface, and the application of ANSYS parametric language to
News
Life evaluation index system of coal mine mechanical gear transmission system
The life evaluation of coal mine mechanical gear transmission system involves many aspects such as personnel, equipment and environment. The
News
Improvement of heat treatment technology in Chinese gear production technology
With the deepening of the process of industrial globalization, environmental protection is another prominent and arduous task in front of
Scientific
Fault types of gear transmission system in coal mine machinery
In the gear transmission system which is the most prone to failure in coal mining machinery, the failure ratio of
Scientific
Distortion caused by inhomogeneity of quenching and cooling in gear manufacturing
During quenching and cooling, the workpiece will generate volume expansion and large thermal stress and structural stress. If the volume
Scientific
Brief introduction of distortion control technology in gear heat treatment
The distortion of gear heat treatment, especially the distortion of carburizing and quenching, makes the gear accuracy greatly reduced. In
News
Material selection of spiral bevel gear
Spiral bevel gear transmission is to transmit the motion and power between any two shafts in space through the meshing
News
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,
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
News
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
News
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
News
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
News
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
News
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
News
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
News
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
News
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
News
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
News
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,
News
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
News
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
News
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
News
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
News
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;
News
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
News
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
News
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
News
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
News
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
News
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
News
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
News
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