Effect of Center Distance Change of Involute Spur Gear on Meshing Position
During gear transmission, changes in center distance cause changes in the direction of the engagement line, resulting in the actual […]
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Angular positioning groove machining of double gear shaft
(1) After grinding the teeth of the gear shaft, the locating groove is machined as shown in the figure. (2)
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Mechanism of gear surface corrugation order noise
In the gear vibration and noise phenomena of the automobile industry, gear screeching and knocking are usually the most common
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Nonlinear dynamic model of coupling of involute spur gear drive
According to the method used in establishing dynamic model, the dynamic model of gear transmission system can be divided into
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Nonlinear dynamic meshing stiffness of fixed-shaft gear drive
When calculating meshing stiffness by quasi-static method, fixed constraints are generally imposed on the center position of each gear and
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Vibration characteristics test of spur gear drive system
The experimental study on gear transmission system can repeat the same test condition several times, thus helping researchers to find
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Non-linear dynamic tooth side clearance of fixed-shaft gear drive
In calculating the dynamic meshing force of the gear, the influence of the degree of freedom of swing is neglected,
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Nonlinear dynamic meshing model of involute spur gear drive
For involute spur fixed-shaft gear drive and planetary gear drive respectively, a nonlinear dynamic model of yaw-torsion coupling was established
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Technical improvement of large-size and high-precision spiral bevel gears
The design of side gears and hypoid gears is the same as that of arc gears and hypoid gears. The
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Linear time-varying model of gear transmission system
In order to ensure the continuity of gear drive, the overlap degree of gears is generally greater than 1, which
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Non-linear time-varying model of spur gear
In fact, the engagement parameters such as engagement angle, clearance and time-varying rigidity of gears are affected to some extent
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Dynamic Models of Spur and Planetary Gear Drives
For involute spur gear drive and planetary gear drive, the yaw-torsion coupling non-linear dynamic model including the dynamic changes of
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Centroid Position Vector of Sun Gear Planetary Wheel and Action Direction of Engaging Force
The main difference between the three-dimensional dynamic model of the sun-planetary gear and that of the fixed-shaft gear drive is
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Nonlinear dynamic model of lateral-torsional-pendulum coupling for planetary gear drive
The three-dimensional solid model of the Involute Spur Planetary gear drive is shown in the figure, and the assumptions used
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Nonlinear Dynamic Model of Lateral-Torsion-Swing Coupling for Fixed-Shaft Gear Drive
Lagrange method is used to establish the yaw-torsion coupling nonlinear dynamic model of fixed-axle gear drive. The Lagrange equation is:
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Gear measurement and fault diagnosis
The manufacturing error of gear not only affects the stability of power transmission, resulting in vibration noise and dynamic load
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Process analysis of double gear pairing
(1) To meet the high requirement of gear accuracy, foreign high-precision gear grinder is used for gear grinding. Specifically, German
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Nonlinear dynamics of involute spur gear drive system
(1) Nonlinear dynamic model of yaw-torsion coupling of involute spur gear drive For involute spur fixed-shaft gear drive and planetary
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Nonlinear vibration characteristics of spur gear drive system
Nonlinear factors such as backlash and time-varying meshing stiffness inevitably exist in gear meshing process, which belongs to the research
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Linear time-invariant model of gear transmission system
In the linear time-invariant model of gear transmission system, all non-linear factors are neglected and the time-varying meshing stiffness is
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Non-linear time-varying model of spur gear drive system
Before 1950s, gear dynamics was based on impact theory, and meshing impact was used as the basis to describe and
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Application of gear material
With the global shortage of resources and the aggravation of environmental pollution, people pay more and more attention to the
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Processing technology of double gear pairing
Double gear is widely used in gear boxes. In general transmission, it is not required to align the teeth.However, this
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High-precision spiral bevel gear machining technology
Gears as high as arc wheels are also called arc wheels. From the side, they show a flat gear shape.
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Typical gear processing and precision forging of gears
Performance Analysis of Gears Produced by Two Processes The gear produced by a typical gear machining process is shown in
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Technological innovation of cylindrical gear machining
In modern machinery, gear transmission is the most widely used mechanical transmission mode. Its function is to transmit the motion
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Effect of Coupling between Tooth Side Clearance and Lubricant Viscosity of Spur Gear
The figure shows the distribution cloud of the tooth surface contact temperature on the lubricant viscosity and the tooth side
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Vibration and noise control of gear drive
The purpose of vibration and noise control of gear transmission is mainly to improve the dynamic performance of the transmission
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Correction measures and experimental verification of staggered helical gears
Corrective measures According to heat treatment process inspection and finite element calculation results, the transmission staggered helical gear is quenched
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Machining Technology of Large Size and High Precision Spiral Bevel Gear
Processing principle of spiral bevel gear: the analog wheel is the processed gear, the uniform chuck is the teeth of
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Principle Analysis of Contact Zone Correction of Klingenberg Helical Gear
Correction in the contact area of the Klingenberg helical gear teeth can be achieved by changing the following parameters: (1)
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Effect of Coupling Torque and Backlash of Spur Gear
The figure shows the distribution cloud of the tooth contact temperature in the clearance plane between the torque and the
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Principle of internal and external gear synchronous multi motor
According to the principle of internal and external gear synchronous multi motor, an external involute gear is set in a
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Efficient transmission of gear drive and energy saving
Efficiency is a very important performance index for the transmission of power. Low transmission efficiency will not only result in
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Finite element calculation of staggered helical gear
1. Calculation Model In order to investigate the contact stress on the tooth surface of this transmission staggered helical gear,
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Machining large-size and high-precision spiral bevel gears
Large diameter spiral bevel gears are mainly used for large reducers in mineral, metallurgical, petroleum and other industries. With the
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Testing of other components of main helical gear
Differential housing inspection (1) Hardness: 207HB. Metallographic structure is pearlite + reticulate ferrite. Grain size is more uniform. A few
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Correction Principle and Points for Attention of Contact Zone of Klingenberg Helical Gear
In order to correct the contact area of Klingenberg helical gears during machining, a double-layer cutter head is required. The
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Effect of Coupling between Speed and Side Clearance of Spur Gear
The figure shows torque T=10 N_m for four different lubrication states and oil viscosity 0=0.033At Pa_s, the distribution cloud of
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Effect of Coupling Torque and Viscosity of Lubricating Oil on Spur Gear
The figure shows a cloud diagram of the temperature change of the tooth contact in the plane of the rotational
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Calculation of axial pitch of six-circle arc helical gear
The working tooth profile of the hexagon-arc helical gear is composed of six segments of circular arcs. It adopts the
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Double internal and external mesh gear multi motor
With the development of society, mechanization is becoming more and more popular, and the level of automation is increasing. Because
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Improve the bearing capacity of gear transmission
According to its main functions, gear transmission can be divided into motion transmission, power transmission, or both. The main function
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Heat Treatment Process Check for Staggered Helical Gear Fault
The driving wheel of the staggered helical gear is made of 42Cr Mo, conditioned and tempered, while the driven wheel
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Gear manufacturing level and gear box optimization design
The performance and stability of gearbox come from the level of design and manufacture of gears. For the manufacture of
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Machining Technology of Large Size and High Precision Spiral Bevel Gear
Spiral bevel gears are key parts in mechanical transmission field that transmit motion or power between intersecting or staggered shafts.
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Detection of secondary helical gear teeth
Analysis: (1) The hardened layer of tooth surface has fine martensite structure of grade 2 and non-martensite structure of 0.02mm,
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Failure Analysis of Right Traction Gear of Electric Traction Shearer
Samples are taken from the invalid gears, after grinding and polishing, the metallographic structure is observed by Olympus microscope, and
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Characteristics and machining requirements of contact area of Klingenberg spiral bevel gear
The contact area mainly refers to the actual contact between the two bevel gears during meshing.The requirements for contact area
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Right traction gear of electric traction shearer
Electric traction shearer is a multi-motor driven shearer with transverse arrangement of motors and normal speed of mining adjusted in
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Effect of Coupling of Speed and Torque of Spur Gear
The figure shows the backlash Jn=0 mm and the lubricant viscosity 0=under 4 different lubrication conditions.0.033At Pa_s, a cloud diagram
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Six-circle arc profile helical gear
Circular arc helical gear is a point engagement gear, which has the advantages of high bearing capacity, long service life
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Trial production and test comparison of adjusted helical gear pump
A set of helical gears with a displacement of 30 ml / R are processed according to the adjusted curve.
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Modeling of Helical Gear Locking Mechanism with Locking Function
Since the locking mechanism is based on an improvement of the Eastern Wind Mentoson 2nd generation differential, the size of
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Comprehensive Analysis of Broken Teeth of Large Helical Gear of Loader Drive Axle
Gear force analysis can be concluded that the radius of curvature of the tooth root fillet is the main factor
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Wear of staggered helical gears
Staggered helical gears are used to transmit the motion between two staggered shafts in space. For a single gear, they
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Final machining and surface integrity control of gears
After hardening or strengthening of gear surface by heat treatment, there are often black oxide skin or other defects, such
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Metallographic analysis of active helical gear
Test equipment: MH-6 micro Vickers hardness tester, TH300 Rockwell hardness tester, DMI5000M metallographic microscope Reference Standards: Metallographic examination of QC/T262-99
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Failure Analysis of Main Helical Gear Pair of Through-drive Axle for a Three-axle Special Vehicle
For a type of three-axle special vehicle, two identical failures occur continuously, and the driving distance after sale is less
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Failure Analysis of Main Helical Gear Pair of Through-drive Axle for a Three-axle Special Vehicle
We can basically conclude that the root cause of tooth breakage and brittle failure of medium drive gear pair is