Research on key technologies and hot technologies of gear hobbing equipment manufacturing
Due to the greatly shortening of the transmission chain, the NC gear hobbing machine reduces the influence of manufacturing error, […]
Due to the greatly shortening of the transmission chain, the NC gear hobbing machine reduces the influence of manufacturing error, […]
For a long time, short service life, poor reliability and heavy structure have become the three major problems restricting the
Based on the improvement of the meshing theory of logarithmic spiral bevel gear theory, aiming at the existing logarithmic spiral
Gear hobbing machines are divided into vertical and horizontal according to the structural form. Small gear hobbing machines and special
Based on the idea of reconstructing the real tooth surface of logarithmic spiral bevel gear, the original data points of
Gear is an important part of mechanical transmission device, which has the characteristics of high efficiency, compact structure, high reliability
Gear hobbing is cutting by using the meshing principle of helical gear. The essence of hob is a worm, and
With a wide range of varieties and specifications, gears are widely used. They are one of the important basic components
Spiral bevel gear is widely used in power transmission of aviation, vehicles and machine tools because of its stable transmission
Three pairs of spiral bevel gears for reducer were heat treated in the heat treatment processing company according to the
Gears used in different machines have great differences in material and heat treatment process due to the differences in stress
The so-called “cloud points” data refers to the three-dimensional data of the real object measured by various methods in the
The gear cutting test of hypoid gear was carried out on gh-35 gear milling machine in gear laboratory. Gh-35 spiral
Gear is the main part of power transmission in all kinds of machinery. During operation, the tooth surface of the
In coal machinery equipment, many gear devices in China are imported from abroad. With the influence of factors such as
3D model reconstruction mainly uses the point cloud data on the model surface collected by spiral bevel gear reverse engineering
The processing of tooth surface point cloud in reverse engineering of spiral bevel gear is a very important process, which
Spiral bevel gear is an important part of high-precision equipment. Spiral gear is generally processed by spiral milling machine. Because
Hypoid gears are difficult to manufacture due to the complex tooth surface structure. In this chapter, according to the theoretical
Computer technology is applied to the control of domestic heat treatment furnace, which realizes high precision and multi-function. Control accuracy:
Gleason of the United States has always been in a leading position in the world in the design and processing
In addition to the old standard well carburizing furnace, deep carburizing well furnace, sealed box multi-purpose furnace, single and double
Using the meshing principle of hypoid gear and based on the meshing equation, the tooth surface equation is deduced. The
Focus on hypoid gears with large reduction ratio with 2-4 small teeth and transmission ratio of more than 10. Because
ZHY gear senior engineer team proposed a new heat treatment process for obtaining Austempered bainite ductile iron, namely room temperature
Taking the hypoid gear with 2-4 teeth and transmission ratio of 10-30 as the research object, the main research work
Hypoid gear, as the main part of mechanical transmission system, is widely used in automobile, engineering machinery, mechatronics products and
Because spiral bevel gear is widely used in all walks of life, the development of spiral bevel gear processing machine
Austenite Bainite Ductile iron has good comprehensive mechanical properties of high strength, high elongation and high impact value, as well
The gear strength calculation is based on the calculation formula proposed by and. Various coefficients are used to correct the
Gear heat treatment deformation is affected by many aspects, such as part shape, raw materials, forging and preliminary heat treatment,
Damping ring vibration reduction technology is an effective measure to improve the vibration characteristics of gears. By embedding damping rings
The problem of spline hole distortion of xf-125 primary transmission gear by China First Tractor internal combustion engine company is
The deformation of gear heat treatment is very complex, which is a comprehensive reflection of the factors affecting the deformation
Since the 20th century, the demand for gears has increased rapidly, which has promoted the development and production of gear
The process of vibration signal transmission caused by self-excited vibration between hob and workpiece in the machining process of machine
1. Chongqing Changjiang diesel engine factory has carried out rapid gas nitrocarburizing process test and mass production assessment on 45
As the core mechanical basic component, gear is widely used in automobile, ship, aerospace, high-speed railway, energy equipment, intelligent manufacturing
In the process of gear hobbing machine machining, whether it is machine tool, fixture or meshing motion, there are errors,
For a long time, the forging blanks of car gears are mostly normalized. In recent years, with the diversification of
The cold extrusion process of spur gear is a net forming or near net forming process. Its production efficiency and
1. Practice has proved that the general machine tool gears are made of medium carbon steel and treated by induction
Spur gear is the key component of high-end equipment. The design and manufacture of high life, high performance, high efficiency
Compared with ordinary die forgings, the shape of precision forgings is more complex, the machining allowance is less or even
Automobile rear axle gear is one of the important parts in automobile driving system. It transmits power in the process
Gear mold is an important basic equipment of industrial production and an integral part of high-tech industry. Gear mold technology
The research on non-circular gears with typical pitch curve is a representative direction of non-circular gear design and manufacturing. The
The forging of spiral bevel gear belongs to complex curved surface forging. As shown in the figure, the forging difficulty
There are still some difficulties in the precision forging process, so the forging of spiral bevel gear has not been
Import the cold precision forging die and blank model of spiral bevel gear into DEFORM-3D software. The specific steps are
Precision forging (net forming or near net forming) refers to the forming technology that only needs a small amount of
In helical gear transmission system, internal excitation such as stiffness excitation and error excitation of helical gear is an important
The precision forging adopts the closed die forging die. During the forging process, the gap between the upper die and
The design of spiral bevel gear includes the determination of basic parameters of gear pair, the selection of tooth cutting
1. Calculation of tooth profile geometric parameters of precision forged small module spiral bevel gears Under the cold forging process,
The research object is a light bus produced by the company. According to the drive axle drawing of the vehicle,
As the basic transmission parts of the machinery industry, more and more high-strength and multi-purpose gears and gear like products
Herringbone gear transmission has the advantages of high bearing capacity, stable transmission and small axial load. It plays an important
The strain of helical gear forging is different under different blank temperature. Figure 1 shows the strain distribution of blank
Spiral bevel gears are widely used in heavy load conditions such as helicopters, ships and automobiles. Their friction characteristics are