Scraping machining of hard tooth surface of spiral bevel gear
Scraping can be defined as such a process, which is to remove the small machining allowance on the hardened tooth […]
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Gear lapping and grinding of hard tooth surface of spiral bevel gear
Gear lapping is a traditional process. It is a method of micro removal of workpiece surface with free abrasive particles
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Influence of configuration principle of gear hobbing on error characteristics of large involute helical gear
The mentioned feature line family is also of great significance to study the machining principle of gear profile, because any
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Error characteristics of large involute gear profile
The involute profile is involute, and the helical profile is involute. From the perspective of engineering, in order to understand
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Key technical problems of on-line measurement of large gears
Based on the general guiding ideology and on the basis of fully considering the characteristics and difficulties of the proposed
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Precise measurement of large gears
Based on the large wheel processing equipment (large gear hobbing machine), the precision measurement of large gears is studied. The
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Frame idea of on-machine measurement of large gears
The main measurement methods of large gears are summarized. Based on the analysis, it is concluded that on-machine measurement has
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Tooth load distribution of spiral bevel gear
Spiral bevel gears are widely used in aviation, automobile, shipbuilding and other industries. When considering the load distribution of multi
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Characteristics and difficulties of large gear measurement
The characteristics and measurement difficulties of large-size gears are analyzed, which can be divided into the following aspects: (1) Oversized
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Classification of large gears
Generally, the gear whose parameters, size and weight are large enough to exceed the conventional conditions is called large gear.
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Principle and method of on machine measurement of large gear
The particularity of large gear and its measurement is analyzed in detail, and the principle and key technology of gear
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Comprehensive measurement method and technology of large gear
The comprehensive measurement method and technology of large gears are still developed from the comprehensive measurement of medium and small
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Measurement of large gear with side gauge
The side measuring instrument is positioned and installed on the machine tool (generally installed on the tool holder) to realize
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Measurement of large gear with top mounted measuring instrument
Aiming at the limitations of desktop measuring instrument, the upper measuring instrument has a great change in the measurement idea.
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Desktop instrument for measuring large gears
Desktop instrument the desktop measuring instrument used for large gear measurement is basically the amplification of the desktop measuring instrument
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Principle and technology of on machine measurement of large gear
Gear is famous for its complex shape all the time, and its various error inspection items are not only various,
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Common methods to solve gear contact problems
The establishment of the mechanical model simplified the gear tooth as a cantilever beam, and the contact state under load
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Tooth loaded contact analysis (LTCA) has become an important gear design technology
With the development of machinery industry, the gear transmission with compact structure, long life and suitable for heavy load and
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Gleason system is the main system of spiral bevel gears in China
Gleason system is the main spiral bevel gear produced and used in China. Gleason gear technology has been the research
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Spiral bevel gear is widely used at present
Spiral bevel gear has been widely used in aviation, automobile, shipbuilding, engineering machinery and many other industrial fields. Spiral bevel
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Tooth surface contact of spiral bevel gear based on genetic algorithm
The transmission performance of spiral bevel gear pair 1 is mainly manifested in the angle of tooth surface contact trace,
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Load bearing characteristics of large gear rotor of integral multistage centrifugal compressor
Integral multistage centrifugal compressor is widely used in energy, air separation and chemical industry due to its compact structure, strong
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Noncircular gear of a stepless transmission mechanism
Circular gear is a kind of special gear parts, its pitch curve is not circular, so the speed ratio of
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Parallel shaft pure rolling internal meshing line gear
Due to the complex tooth profile of traditional industrial gears, it is very difficult to miniaturize and micro nano application.
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Failure analysis and Discussion on forging of a fuel gear pump shell
The crack is located in the middle of the shell and at the root of the processed 8-shaped hole. The
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Spiral bevel gear sharp tooth scraping cutter head
The scraping cutter head for hard tooth surface of spiral bevel gear is a direct tool for scraping processing. Its
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Analysis on forging crack of a fuel gear pump shell
Fuel gear pump is a kind of product that relies on the change of working volume formed between the pump
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Selection of cutter face form of scraping cutter head for spiral bevel gear
A Rake face selection Generally, tool regrinding is carried out on the rake face. The scraping cutter head is a
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Precision improvement of laser tracking measurement for super large gear
In industry, the gear with diameter over 3000mm is called super large gear, which is the most widely used transmission
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Calculation of chord tooth thickness and chord tooth height of double circular arc gear drive by Newton iteration method
Our country began to study the double circular arc gear from the mid-1960s, but entered the substantive research, test and
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Using CAXA to figure out the proper measuring ball diameter of helical gear
In the manufacture, inspection and design of gears, the span of measuring ball is widely used to measure the tooth
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Formation mechanism of micro pitting corrosion of gears and normal and tangential load conditions
Under the condition of non lubrication, according to Hertz theory, the contact geometry of gear tooth surface can be transformed
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Spiral bevel gear is the most widely used spiral gear in production
Spiral bevel gear is the most widely used spiral gear in production. Because it has the characteristics of stable transmission,
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Formation mechanism of micro pitting corrosion of gears
In the process of gear transmission, the maximum shear stress caused by repeated rolling sliding contact leads to the plastic
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Micro pitting damage of lubricated contact gear based on contour integral
In the process of gear transmission, if it can not get good lubrication, a lot of micro pitting corrosion pits
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Residual life prediction of gear based on deep belief network integration
Due to the influence of alternating stress, the gears in many equipment often have the faults of tooth surface wear
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Fault diagnosis of shearer rocker gear based on depth residual network
Shearer is one of the core equipment of coal mining face. Rocker arm is the key power component of shearer
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Gear fault diagnosis based on multi scale fuzzy entropy
As a common part of mechanical equipment to transmit power and motion, gearbox has been widely used in modern mechanical
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Establishment of RBF neural network prediction model for planetary gear
1. Input and output of neural network The analysis of meshing force of parallel coupled planetary gear includes five factors:
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Dynamic meshing force analysis of parallel planetary gear based on RBF neural network
The coupling phenomenon of meshing force often appears in the dynamic response of coupled planetary gears. In previous scholars’ research,
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Design and Simulation of tractor gear system
Dongfanghong tractors produced by Luoyang No.1 tractor manufacturing plant of China are very important traction equipment for farming, harvesting and
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Design and Simulation of tractor gear system
In modern product design, the traditional experience design, analogy design and static design can not meet the needs of engineering,
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The effective solution to the problem of gear broken in mining machinery
1. estimate the load bearing capacity of the mechanical gear in advance. In fact, the load bearing capacity of the
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The reason of mechanical gear breaking under eccentric load
In fact, there are many reasons leading to the problem of eccentric load and broken teeth of mechanical gears. The
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Influence of accuracy characteristics of machine tool on large gear error
From the configuration principle, the accuracy characteristics of such machine tools can be obtained: ① The tooth profile error is
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This paper studies the causes of static broken teeth of mechanical gears
In the mining work, the actual working environment is very poor, the working equipment is not perfect, so the gear
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Analyzes the causes of fatigue fracture of mechanical gears
In fact, the so-called fatigue tooth breaking problem is that the mechanical gear breaks, and the whole spur gear will
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Optimization of machining process of mechanical gear
Although the strength of mechanical gear bearing capacity does not entirely depend on gear hardness, improving gear hardness is still
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Optimization of mechanical gear design
Because the mechanical operation is mostly heavy load, medium and low speed transmission, most of them start frequently and often
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Material selection and processing technology of mechanical gear
1. Material selection of mechanical gears Other countries in the world mainly use Cr Ni and Cr Ni Mo carbon
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Material selection and design optimization of mechanical gear
Gear is a kind of mechanical element with continuous meshing transmission of motion and power on the rim, which plays
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Effect of adjustment parameters of machine tool cutting on tooth contact of spiral bevel gear
The adjustment parameters of machine tool cutting play an important role in the tooth contact of spiral bevel gear. How
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Dynamic characteristics of planetary gear transmission system with sun gear failure
Planetary gear transmission system has the advantages of stable operation, high bearing capacity and high transmission ratio, so it has
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Fatigue performance of internal meshing modified gears with cracks
Gear drive is widely used in heavy industry and manufacturing industry, and is often used as reducer, speed increaser, differential,
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Reliability optimization of transmission gears for flying vehicles
The traditional concept is that flying vehicle is a land and air amphibious vehicle with the functions of flying in
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Fracture analysis of driving gear of engine starting motor
The fracture of the driving gear is due to the looseness of the fastening nut of the starting motor gear,
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Adhesion wear of involute spur gear at low speed
Adhesive wear is the most common fault type on the working surface of mechanical system, which often occurs on the
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Fracture analysis of driving gear of starting motor
It is concluded that the fracture of the driving gear is due to the looseness of the fastening nut of
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Force analysis of driving gear of starting motor
1.Principle of starting engine with starter motor driving gear The starting motor of internal combustion engine is to convert electric
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Main influence factors of gear heat treatment deformation
In the process of gear heat treatment, due to various environmental factors and other external factors, gear deformation occurs. According