Meshing performance analysis of high-speed and heavy-duty spiral bevel gears
Based on TCA technology, the corresponding high-speed and heavy-duty spiral bevel gear surface impressions and transmission error curves before and […]
Based on TCA technology, the corresponding high-speed and heavy-duty spiral bevel gear surface impressions and transmission error curves before and […]
The parameter verification of involute spur gear reverse engineering includes modulus, tooth shape angle, crown height coefficient, tooth root height
TCA technology is a pure mathematical method, which assumes that the gear teeth are rigid, and TCA technology only analyzes
The cylindrical gear of reducer bears the random load of road surface and the load of driving motor at the
At present, small module gears are widely used in high-precision instruments and instruments. The working performance and service life of
Hypoid gears (also known as hypoid gears) are used to transmit motion and power between staggered shafts, and are widely
Since the coincidence degree and the transmission error amplitude at the transition of high-speed and heavy-duty spiral bevel gears are
1. Determine the modulus, tooth profile angle, top height coefficient and tooth root height coefficient When determining the module, tooth
Gears with module less than 1 mm are generally called small module gears. Small module gear is in an extremely
Increase the transmission ratio to 30, take the gear ratio of 2:60, and design and calculate the gear parameters. The
The main factors causing transmission errors of spiral bevel gears include the quasi conjugate characteristics of the tooth surface, deformation
The tooth contact area is one of the important symbols to measure the meshing quality of bevel gears. Spiral bevel
According to practical experience, contact fatigue often occurs in helical cylindrical gears of transmission. The basic parameters of the high-speed
The primary link of physical reverse engineering is reverse engineering point cloud data acquisition, also known as the digitization of
According to the theory and three-dimensional modeling process of hypoid gears with small number of teeth and large reduction ratio,
Without considering the elastic deformation of the tooth surface (assuming that the gear is completely rigid), a pair of local
When solving the plane coordinate points of the tooth surface of the hypoid gear pinion, because the hypoid gear pinion
The virtual model of spiral bevel gear NC machining machine tool is the image of its real entity in the
The following functions should be included in the motion simulation function module of spiral bevel gear tooth surface forming CNC
Energy and environmental problems are becoming increasingly serious, and new energy vehicles have attracted much attention. Electric vehicles have become
Gear mechanism is the most widely used and important transmission mechanism in various mechanical equipment. In the reverse engineering design
Two objective functions and three design variables are proposed by using local synthesis method and TCA technology, and the constraints
1. Establish the precise modification model of cylindrical gear Among the components of electric vehicles, cylindrical gear is the most
In order to more intuitively reflect the meshing characteristics of spiral bevel gear pairs, tooth contact analysis (TCA) technology is
In the fields of aerospace vehicles, high-speed and heavy-duty spiral bevel gears, as the key of the transmission system, have
Since the coordinates (x, y, z) of any point on the tooth surface of hypoid gear have the following corresponding
Based on the actual motion data of spiral bevel gear NC machining machine tool, the spiral bevel gear machining process
Establish the gear blank with tooth surface, as shown in Figure 1. Extract the top surface, inner conical surface and
Parameters Driving wheel Driven wheel Number of teeth 29 48 Modulus 1.75 1.75 Helix angle 16 16 Accuracy class 7
Generally, during the operation of the automotive electronic control system, the ECU will calculate and judge the physical parameters and
According to the tooth contact analysis principle and gear meshing principle, the machining parameters of hypoid gear are calculated through
The machining process of spiral bevel gears is relatively complex, and the tools used are special tools. The machining machine
According to the point cloud construction curve of arc tooth surface gear, firstly slice the point cloud several times along
In the proportion relationship between the failure parts and modes of the reducer, the gear, bearing and shaft concentrate 90%
In the driving process of electric vehicles, the gearbox is one of the main causes of vehicle noise. At this
Cutting simulation is the key link of spiral bevel gear digital manufacturing. In the virtual environment, the virtual machining of
The spiral denaturation method of gear pinion machining is proposed on the basis of denaturation processing. Its essence is that
In the process of envelope generation of hypoid gear pinion, there is a meshing relationship between hypoid gear wheel tooth
Face gear transmission is a kind of gear transmission in which cylindrical gears mesh with bevel gears. Angle between two
The vibration acceleration in all directions of the helical gear is synthesized into the relative vibration acceleration a in the
The forming method of gear wheel machining was put forward by Gleason company in the late 1930s. It is mainly
The hypoid gear pinion with small number of teeth and high speed uses the principle of envelope method to envelope
Regardless of the deformation, the meshing point of a pair of helical gears at any time should be on the
Taking the high-speed input stage gear pair in the secondary reducer of a pure electric vehicle as the research object,
Cylindrical gears have the advantages of strong bearing capacity, stable meshing, convenient processing and adjustment, and are widely used in
In the process of reverse modeling of spiral bevel gear by reverse engineering, there will be errors in the process
Hypoid gear has the advantages of strong bearing capacity, high transmission efficiency and large overlap coefficient. It is widely used
From the load stroke curve, it can be seen that the load change in the whole deformation process can be
In the spiral bevel gear milling machine with traditional mechanical structure, the rotating shaft of the cutter head is installed
Since the large hypoid gear wheel is processed by forming method, the profile of the hypoid gear wheel tooth surface
Select a single pair of teeth for tooth surface contact stress analysis, import the three-dimensional solid models of double circular
The tool inclination method is used to process the hypoid gear. Since the number of teeth of the small wheel
The machine tool for machining the tooth surface of the driving wheel (small wheel) of the hypoid gear pair has
The digital modeling of Cycloid Bevel Gear and hypoid gear is to establish the three-dimensional solid model of Cycloid Bevel
The cutter head coordinate system SG for machining hypoid gear wheel is shown in Figure 1. The vector diameter RC
The single side tooth surface of circular arc tooth profile cylindrical gear is composed of multiple curved surfaces. The establishment
1.Calculation of contact stress of cylindrical gear The transmission gear is a cylindrical gear. During the meshing process of the
With the increase of transmission ratio, the pitch cone angle of the large wheel will increase. The risk of large
The traditional mechanical hypoid gear milling machine processes spiral bevel gears and hypoid gears using the generating wheel principle shown
Digital design and manufacturing technology is the basis of advanced manufacturing technology. Digital modeling is the basis of realizing digital