The application of manganese phosphate conversion coating technology in improving the surface strength of transmission parts first appeared in improving […]
With the development of iron and steel, petrochemical industry, ship industry, electric power industry and automobile industry, all kinds of
According to the statistical analysis of the faults, it is found that the gears and bearings on the second shaft
1. Numerical simulation and scientific problems of gear surface strengthening In the field of scientific research and engineering technology, numerical
As one of the main equipment of the coal mining face, the shearer is required to have high reliability in
The strengthening technology of gear heat treatment should pay attention to the control of surface integrity, that is, to control
What are the characteristics of the straight bevel gear mechanism? Answer: 1) transfer the motion and power between two intersecting
Shot peening is a widely used method to improve the fatigue strength of gears, which can produce compression deformation on
The automobile gear is in the state of continuous load operation. There are rolling and sliding between the meshing surfaces
Gear is an important part to transmit power in mechanical devices. The Japanese mechanical society has carried out systematic investigation
According to the above analysis, in order to thoroughly solve the undercut fracture accident of thin-walled gear and ensure the
What are the characteristics of worm gear mechanism? Answer: (1) transfer the motion and power between the spatial staggered axes,
The finite element mesh generation of contact is realized. In order to obtain more accurate contact stress of gear teeth,
According to the failure mechanism analysis of thin-walled gear, the gear material is 40Mn2. In the process of gear meshing,
How is the profile of helical involute curved surface of helical gear formed? Answer: when the generating surface of the
Rack and pinion steering gear consists of steering wheel, steering shaft, steering gear, tie rod, steering trapezoid arm and steering
As the key part to change the driving direction and keep the vehicle running in a stable straight line, the
It is found that the broken tooth thin-walled gear is a 2 ″ straight cylindrical gear with 12 teeth, which
What is modulus and graduation circle? Answer: the circle with M = P / π as modulus and m and
In order to improve the production efficiency of gear machining and ensure the surface integrity of the gear, the gear
As the key component of transmission system, gear is not only the transmission power and energy, but also the inheritance
The gas gate of nuclear power plant runs through the inner and outer containment of reactor. Because of its complex
A new type of external rotor magnetic gear composite motor is proposed by combining the magnetic gear and the BLDCM.
1.In general, what is the allowable center distance difference of spur gear? Generally, the tolerance of the reference value is
At present, there are many kinds of large gear measuring instruments have been applied, but in fact, there is no
The numerical calculation of the fretting friction instability state of the gear shoulder during the operation of the gear shaft
1.Modulus Module: the pitch circle of the gear is the basis for designing and calculating the dimensions of each part
For the measurement of large gears, there are many shortcomings in the off position measurement and in position measurement, which
Gear in place measurement refers to the measurement when the instrument is installed on the gear or on the machine
High end gear is the basic part of high-end equipment, and also the key neck clamping part. At the seminar,
In the field of gear measurement, the measurement of large and small gears has always been a technical problem, among
With the increasingly strict global regulations on carbon dioxide emissions and fuel consumption efficiency, automobile powertrain systems become more compact
In the gear transmission mechanism of complex power equipment, the gear shaft and the bearing are assembled by interference, so
1.What is the basic law of tooth profile engagement and what is the basic law of tooth profile engagement with
Normalizing treatment Normalizing is a heat treatment process in which the steel is heated to 30 ~ 50 ℃ or
“The impact of Sino US trade friction on the gear industry should be very large.” Wang Changlu, executive vice president
At present, the transmission knocking noise is mainly solved in the following ways (see Table 2): from the aspect of
With the rapid development of the automobile industry, automobile users have higher and higher requirements for the comfort of automobile
“To promote the standardization of China’s gear industry, we must break the thinking mode under the planned economy and take
Wang Liding’s team of academicians of Dalian University of technology has successfully developed a class 1 precision standard gear, and
Because the bearing and gear of the gear transmission mechanism will produce a lot of heat in the process of
The spiral bevel gear and hypoid gear are important parts in the transmission devices of automobile, tractor, sewing machine, engineering
Gear is one of the most widely used components in mechanical transmission system. Its main function is to transfer power
“In 2019, the gear industry as a whole maintained a stable situation, which was not significantly affected by the international
After a period of volatility, the recent gear steel market gradually tends to be stable, and the price is basically
The load conditions of the gear assembly mainly include three aspects: the pre tightening torque applied on the tightening nut,
Spiral bevel gears are widely used as important parts of various mechanical equipment, such as machine tools, airplanes, ships, watches
Automobile gears are developing and improving in solving the problems of quality, cost, production efficiency, environment, safety, etc. At present,
Gear manufacturing technology is the key to obtain high quality gear. The gear processing technology, because of the gear structure
The equivalent stress distribution of the gear assembly and the gear shaft is shown. It can be seen from the
1.Finite element modeling of helical gear The basic idea of establishing carburized helical gear under ANSYS is to first establish
1.Normal profile of profile rack The variable tooth thickness helical gear is generated by the envelope of the generating rack.
The geometric characteristics of variable tooth thickness helical gear are: on different end sections of a gear, the tooth shape
The design ability of machining process specification is one of the basic qualities that must be possessed by the scientific
In the finite element method, the continuum structure is considered to be composed of finite elements connected by finite nodes.
As early as 1945, fellows company has invented the gear shaping processing of face gear. The parameters of gear shaping
The running state of fretting wear is not only related to the yield strength, material rigidity, elastic modulus and elastic-plastic
Processing steps and requirements: 1.Card loading requirements a) First, the base surface and non base surface of the workpiece are
In order to reduce the surface roughness value of the hard gear surface and trim the texture of the gear
In order to further improve the machining efficiency of rough cutting soft tooth surface gear with straight edge cutter, Grimson
