Calculation of tooth surface contact temperature of spur gear
During gear meshing, the tooth contact temperature and the instantaneous tooth surface temperature change in real time, which can be […]
Scientific
Scientific
Scientific
Calculation of instantaneous temperature on tooth surface of spur gear
Tooth surface instantaneous temperature is the instantaneous high temperature generated by contact points during gear meshing, which is mainly distributed
Scientific
Simulation Analysis of Residual Stress on Gear Forming Grinding
Due to the different normal grinding depths and wheel speeds at different locations of the involute, the intensity of the
Scientific
A new method for measuring the tooth profile of large gears
As shown in the figure, when using the generating method to measure the big gear, the conical probe should start
Scientific
Multi site integrated parallel measurement technology for super large gears
The diameter of the oversize gear is large, the number of teeth is large, and the inertia is large. If
Scientific
The difficulty of measuring big gear
Gears are usually divided into vehicle gears and industrial gears. According to the Convention, gears with a diameter greater than
Scientific
Geometric and Kinematic Analysis of Forming Grinding of Spur Gears
As shown in Fig. 1, spur gear shape grinding is to trim the wheel shape to the desired profile and
Scientific
The realization of gearbox system of agricultural machinery tractor
1. Create gear parametric model Nx software itself can generate gear model, but it can only generate the bottom features
Scientific
Obtaining spur gear parameters using machine vision
1.Obtaining Basic Gear Parameters There are many gear parameters and there are certain connections among them. The most important one
Scientific
Conclusion on surface oxidation of Cr Mo Si steel used in automobile gearbox during gas carburizing
The hardness results of carburized layer of heat treated 2.3cr-0.9si-0.3mo steel were measured in the conversion gas reduction furnace and
Scientific
Knowledge engineering technology for gearbox of agricultural machinery tractor
Knowledge is the decisive factor of new product competitiveness. The product design based on knowledge engineering is to summarize and
Scientific
Experimental conclusion on contact temperature of spur gears
The experimental results of ZHY gear only verify the correctness of the calculation method of tooth contact temperature under EHL
Scientific
Analysis of the mechanism of the uneven load of the gear transmission
The abstract diagram of the cogwheel split torque drive is shown in Figure 1. The transmission direction shown in Figure
Scientific
Study on surface oxidation of Cr Mo Si steel used in automobile gearbox during gas carburizing
With the increasingly strict global regulations on carbon dioxide emissions and fuel consumption efficiency, automobile powertrain systems become more compact
Scientific
Function analysis of gearbox system of agricultural machinery tractor
The virtual design method of gearbox gear based on knowledge integrates knowledge engineering and parametric design technology, and develops the
Scientific
Knock test analysis of automobile transmission gear
According to the knock phenomenon of transmission gear, it is mainly divided into bench test and real vehicle test. In
Scientific
Dynamic characteristics of Cracked Gear Transmission System
With the all-round development of the mechanical industry, the requirements of the mechanical equipment for the transmission system are higher
Scientific
Theoretical research and solution method of knock model of automobile transmission gear
The phenomenon of gear knocking in automobile transmission belongs to the NVH dynamics problem of transmission system. The research idea
Scientific
Research on the knock model of automobile transmission gears based on multi pair gears
Automobile transmission includes many pairs of helical gear pairs, multiple bearings and synchronizer assemblies, etc. when considering the spatial meshing
Scientific
Research on the knock model of automobile transmission gears based on single pair of gears
With the rapid development of the automobile industry, automobile users have higher and higher requirements for the comfort of automobile
Scientific
Effect of Variation Coefficient of Gear Center Distance on Gear Sliding Rate
The figure shows the gear drive with the number of teeth (Z1=31, Z2=32), modulus (m=6), pressure angle (a=20 degrees), crest
Scientific
Influence of Coefficient of Tooth Top Height on Sliding Rate of Gear
The diagram shows the variation trend of gear crest height coefficient when the number of teeth (Z1=31, Z2=32), modulus (m=6),
Scientific
The influence of gear number (transmission ratio) on gear sliding rate
Figure 1 shows the change trend of the sliding rate with the number of teeth (transmission ratio) of the gear
Scientific
Analysis of the slip rate curve of gear teeth
Theoretically, when k is engaged at N2, η 2 = ∞, η 1 = – 1; when k is engaged
Scientific
Calculation of relative sliding rate of involute spur gear teeth
The ratio of the relative tangential speed of the gear pair between the tooth surfaces at the meshing point and
Scientific
Carburizing and quenching process of gear surface
Gear, as a widely used mechanical component in mechanical transmission, has the characteristics of accurate transmission ratio, high bearing capacity
Scientific
Research on Design and Manufacture of Laser Cutting Chuck Drive Gear Pair
Laser cutting equipment mainly uses heat energy generated by laser beam emitted by laser to cut pipes with motion mechanical
Scientific
Additive manufacturing and secondary machined face gear
As an additive manufacturing technology, 3D printing is a new technology that subverts the traditional manufacturing, and has become the
Scientific
The influence of Involute Harmonic Gear Tooth on bending stiffness and stress concentration
In order to reflect the influence rule of parameters on the maximum circumferential stress, dimensionless radius of chamfered root of
Scientific
Single tooth dividing cutting and gear grinding with straight edge cutter
Because the former three machining methods are based on the simulation of meshing between the small wheel (or the profile
Scientific
Maximum circumferential stress of ring gear considering the influence of gear teeth
1. Maximum circumferential stress of ring gear in design specification Considering the influence of tooth parameters, load distortion of flexible
Scientific
Cutting and grinding gear with disc cutter
Dr. Stadtfeld of Greenson first outlined the idea of using disc wheel to machine face gear. It has the advantages
Scientific
Distortion control of heating process in gear manufacturing
In view of the distortion caused by various factors, such as the release of processing stress, the different time and
Scientific
Gear Flexible Gear Profile Parameters
1. Basic profile parameters and definitions Taking the involute profile as an example, Figure shows an illustration of the involute
Scientific
Test results and discussion of ferrous powder metallurgical gears
1. Gear Fracture and Analysis According to user feedback, the gear breaks under heavy load and the fracture occurs in
Scientific
Sample preparation and test method for ferrous powder metallurgical gears
A gear tooth with fracture failure was randomly selected for fracture analysis. The fracture was cut off by wire cutting
Scientific
The stress and distortion of gear manufacturing in heating
Generally, the heat treatment distortion of the controlled workpiece is focused on “quenching distortion”. The reason is that the quenching
Scientific
The conversion of cutting movement of spiral bevel gear
According to the analysis of the cutting process of spiral bevel gear tooth surface, based on the generation principle of
Scientific
Meshing force of planetary gear drive system under continuous operation with large load
The meshing frequency and its double frequency of each pair of wheels constitute the main vibration excitation components of the
Scientific
Design and motion analysis of cutter for three-axis milling of spiral bevel gear
Based on the analysis of the cutting principle of the tooth surface of the spherical involute involute involute spiral bevel
Scientific
Meshing force of planetary gear system under large load
The dynamic load of the system is calculated when the speed is 500r / min and the load is 500N
Scientific
The cutting principle of concave tooth surface of spiral bevel gear based on the generation line of tooth surface
This paper takes the concave tooth surface of right-hand spiral bevel gear as an example to analyze and study the
Scientific
Impact vibration characteristics of planetary gear train
Planetary gear drive is widely used in various industrial fields due to its large power weight ratio, high load-carrying capacity
Scientific
Generating principle of convex tooth surface of spiral bevel gear
In order to intuitively analyze the generation principle of right spiral bevel gear convex tooth surface, the method of establishing
Scientific
Machining method of spiral bevel gear
There are two main machining methods of spiral bevel gears, forming method and generating method. Forming method The profile of
Scientific
Definition and source of backlash in precision gear drive
The total empty return of the gear transmission chain caused by the factors such as the increase of the gear
Scientific
Brief introduction to the cutting principle of Gleason spiral bevel gear
Traditional spiral bevel gear machining is based on the principle of “imaginary flat top gear”. At present, the basic idea
Scientific
Transmission error of circular arc tooth line cylindrical gear
Gear is the core and basic component of mechanical transmission equipment. Under the dynamic excitation, it will produce dynamic response
Scientific
Spiral bevel gear is one of the most widely used gears
Spiral bevel gear is widely used in various mechanical products such as aircraft, ship and national defense equipment, machine tools,
Scientific
Discussion on failure mode of gear strength
Gear transmission is one of the most important mechanical transmission. More than 300 BC, Aristotle, the ancient Greek philosopher, expounded
Scientific
Effect of oil on fatigue strength life and wear of gears
In addition to the lubrication of gears and bearings, ATF is also used for the lubrication and cooling of hydraulic
Scientific
Noncircular gear drive mechanism
An important research direction of gear geometry is noncircular gear transmission. Its complex tooth surface geometry and special transmission performance
Scientific
Research status of temperature field in gear system
The thermal behavior of the high-speed and heavy-duty gear system has a great influence on its bearing capacity. In the
Scientific
Surface strengthening technology of anti high strength automobile gear surface contact fatigue
1. Spraying technology of superfine composite materials In recent years, Chinese and Japanese companies have studied and applied the spraying
Scientific
Design of eccentric displacement gear
The machining method of the eccentric modification gear generated by the modification method is the same as that of the
Scientific
Thermal behavior analysis of high speed and heavy load gear system
Gear transmission system is the core mechanism of mechanical equipment, which determines the performance of the whole machine. But for
Scientific
Surface strengthening of high strength automobile gear surface against contact fatigue by molybdenum disulfide coating
Molybdenum disulfide (MoS2), as a high quality solid lubricating material, has good antifriction, antiwear and bearing capacity. Molybdenum disulfide (MoS2)
Scientific
Transmission principle of eccentric gear and eccentric displacement gear
The transmission between the eccentric gears will produce the change of backlash. Therefore, when calculating the coefficient of deflection of
Scientific
Surface strengthening of high strength automobile gear surface against contact fatigue with manganese phosphate conversion coating
The application of manganese phosphate conversion coating technology in improving the surface strength of transmission parts first appeared in improving
Scientific
Measures to improve the structural performance of rocker gear shaft
According to the statistical analysis of the faults, it is found that the gears and bearings on the second shaft