Machining technology of double drive gear
The blank is determined to be abrasive forging. After cleaning, the blank is positive-heat quenched and ground to effectively eliminate […]
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Analysis on the coincidence degree of bevel gears without backlash
The linear gear can also improve the transmission stability by increasing the degree of coincidence. The calculation formula of line
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Establishing conjugate contact line of bevel gear without backlash
Establish the right-hand coordinate system, as shown in Figure 1. S (o-xyz) and S (oxpypzp) are the main and driven
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Special testing principle of vibration of fixed-shaft gear drive system
(1) Acceleration signal testing principle A three-way acceleration sensor is installed at 180 degrees intervals on the same circumference of
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Positioning Elements for Machining Helical Bevel Gears
The locating elements for spiral bevel gears are V-shaped blocks and press plates. After positioning the workpiece, before drilling, it
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Research on Nonlinear Dynamics of Involute Spur Gear Drive System 2
Nonlinear dynamic model of yaw-torsion coupling was established for involute spur fixed-shaft gear drive and planetary gear drive respectively, and
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Optimization of tooth profile modification for helical gears to reduce impact of meshing
1 Construction of modified tooth surface The modified tooth surface is constructed by superposition of theoretical tooth surface and modified
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Bevel gear without backlash
Gear is an important basic component in mechanical transmission. Different from other types of gears, bevel gear, as a special
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Basic Requirements for Helical Bevel Gear Locating Elements
The positioning of the workpiece is achieved by the contact between the positioning surface on the workpiece and the V-block
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Innovation in Research on Nonlinear Dynamics of Involute Spur Gear Drive System
The innovations of the research work can be summarized as follows: (1) The coupling relationship between the acting direction of
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Research on Nonlinear Dynamics of Involute Spur Gear Drive System 1
Nonlinear dynamic model of yaw-torsion coupling was established for involute spur fixed-shaft gear drive and planetary gear drive respectively, and
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Research Significance of Cold Extrusion Finishing of Cylindrical Gear by Hot Precision Forging
Compared with traditional cutting process, the hot precision forging cold extrusion compound forming process has the advantages of high efficiency,
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Advantages of Plastic Forming for Cylindrical Gears
The advantages of forming cylindrical gears by plastic forming are as follows: 1) Productivity.Taking the small module gear used in
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Composite Forming of Cylindrical Spur Gear by Hot Precision Forging and Cold Extrusion
Gears are wheel-shaped mechanical parts that transmit torque by whistling closure of teeth.Gears can change speed and torque, direction of
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Calculation of Rolling Impact of Helical Gear
The calculation of impact force in this paper is based on the principle of energy conservation at the moment of
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High-speed heavy-duty gear drive
Gear drive system is widely used in various mechanical equipment because of its accurate transmission ratio, stable and reliable, long
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Gear drive system is the core mechanism of mechanical equipment
Gear drive system is the core mechanism of mechanical equipment and the main equipment to determine the performance of the
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Determination of Process Route for Helical Bevel Gear
Process analysis: The processing of spiral bevel gears is mainly divided into the following stages: 1) Billet processing: Billet forming
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Future Research on Nonlinear Dynamics of Involute Spur Gear Drive System
(1) Deep analysis of tooth bias torque caused by deformation of drive shaft and bearing and tooth error is introduced
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Research on Dynamic Characteristics and Optimum Design of Gear Drive System of Tracked Vehicle
For tracked vehicle gear drive system, firstly, the dynamic loads of main components in different gears are compared and analyzed;
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Analysis on Dynamic Characteristics of Gears with Different Machining Dynamic Balance Accuracy
Balancing is a process that improves the mass distribution of the rotor to ensure that the vibration or vibration force
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Different gear machining accuracy of vehicle gear drive system
In theory, the higher the gear machining accuracy level, the better the dynamic performance of the gear drive system, but
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Dynamic Stress of Drive Shaft of Vehicle Gear Drive System
The bending and torsional vibration displacements of the concentrated mass points on each drive shaft obtained by simulation are taken
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Bearing Support Reaction of Vehicle Gear Drive System
Bearing is the main component connecting the gear drive system and the box. Under the action of bearing support reaction,
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Load sharing factor of vehicle gear planetary drive
Under gear 1-8, the load-sharing coefficient of the loaded planetary row is shown in the figure, in gear 1-4, the
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No load gear dynamic load of vehicle gear transmission system
Previous studies have shown that the sound pressure of air radiation generated by no-load knocking of gears is proportional to
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Effect of Tooth Side Clearance and Center Distance Deviation of Involute Spur Gear on Dynamic Load
In gear meshing drive, in order to avoid jamming, clearance between tooth profiles must be left, which is an important
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Study on dynamic characteristics of gear transmission system of tracked vehicle
For the gear transmission system of tracked vehicles, a nonlinear dynamic model of lateral torsional coupling is established. Combined with
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Study on tooth profile modification of involute spur gear transmission system
Firstly, under the quasi-static condition, the influence of tooth profile modification parameters on meshing stiffness and load distribution coefficient between
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Optimization software for static performance model of involute spur gear
ISIGHT software is a multi-disciplinary optimization software which integrates industrial optimization design and automatic analysis and calculation, which is introduced
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Working Dimension Analysis of Helical Bevel Gear Fixture
Fixture positioning and fixture fixture fixture fixture is very important in the process of parts machining. If positioning is not
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Two parameter optimization design of involute straight tooth profile modification
The modification parameters of the two gears are the same, the value range of the modification amount is [0, 0.022mm],
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Time-varying meshing stiffness calculation of gear with cracks
Gao Yun used the finite element method to analyze the stress of gear, determined the position of the maximum principal
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Optimum Design of Involute Straight Tooth Profile Reshaping
The relationship between dynamic load of gear drive system and modification parameters is very complex. When two or more modification
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Influence of Modification Types on Static Characteristics of Involute Spur Gear Drive System
The modification quantity is 0.22mm and the length is 2.8mm. The modification types are linear modification, parabolic modification and conic
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Effect of Profile Modification of Involute Spur Gear on Tooth Strength
In the research of tooth profile modification, the influence of tooth profile modification on the strength of gear teeth is
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Three Elements of Profile Reshaping for Involute Spur Gear Drive System
There are three ways of tooth profile modification: cutting or grinding a part near the top of the tooth, which
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Effect of profile modification on dynamic load of involute spur gear under different profile modification lengths
With parabolic modification, the dynamic load coefficient changes with the modification amount under different modification lengths as shown in the
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The influence of the modification amount on the dynamic load of the involute spur gear transmission system with different modification length
Linear modification is adopted, and the value range of modification amount is [0, 0.05mm], and the value interval is 0.002mm.
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Selection of Helical Bevel Gear Reference and Accuracy Determination
1 Selection of Rough Benchmarks The principle of choice is: (1) Non-machined surface principle. (2) The principle of minimum machining
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Modified tooth surface of helical gear under heavy load
TE at small wheel φ1A is smaller than LTE under larger load, indicating that the gap between teeth is not
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Test principle for vibration characteristics of planetary gear drive system
(1) Ring gear root strain test principle Eight teeth are selected as measuring points on the end face of ring
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Influence of External Load Change of Involute Spur Gear Transmission on Static Characteristics of Modified Gear
Linear modification is adopted with the modification quantity of 0.022m m and the length of 2.8m M. Fixed torque of
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Influence of Modification Length of Involute Spur Gear Drive System on Static Characteristics
Linear shape modification is adopted with the amount of 0.022mm. The value range of the length of the modification is
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Influence of Modification Amount on Static Characteristics of Involute Spur Gear Drive System
Linear shape modification is adopted with the length of 2.8mm and the value range of modification is [0.01mm, 0.09mm]. The
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Calculation of meshing stiffness and relative speed of helical gear meshing points
The meshing stiffness of the rodent point can be calculated by LTCA. The basic idea is to increase the load
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Profile modification length of involute spur gear drive system
In the research of profile modification based on static characteristics, the selection criteria of profile modification length mostly adopt the
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Research on Dynamic Characteristics of Gear Drive System under Steady State Conditions
Steady state condition refers to the condition under which the vehicle travels at a constant speed in a certain position
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Time History and Spectral Analysis of Involute Spur Gear
The time history of each variable can be obtained directly by numerical integration. The response type of the system can
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Analysis Method for Nonlinear Dynamic Characteristics of Involute Spur Gear
There may be four kinds of motion forms in gear transmission non-linear system: periodic motion, double periodic motion, quasi-periodic motion
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Effect of No-load Speed of Involute Spur Gear on Dynamic Load
Under no-load condition, gear has two-sided impact phenomena and frequently falls out of teeth. Maximum dynamic meshing force and root
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Standard Analysis of Service Process for Double Drive Gears
In order to guarantee the normal operation and use of the double gear effectively and facilitate material processing, the height
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Material selection and technical requirements of spiral bevel gear
At present, the materials for spiral bevel gear are 20CrMnTi, 22CrMoH, etc. They are widely used in high-speed, medium or
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Time-varying meshing stiffness calculation of healthy gears
The potential energy method is used to solve the time-varying meshing stiffness of gears.Each tooth is considered as a variable
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Research on characteristics of gear knocking under no-load condition
To simulate the no-load knocking characteristics of gears, an angular acceleration excitation is applied in the torsional direction of the
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Research on Dynamic Characteristics of Gear Drive System under No-load Conditions
No-load knocking of gears is one of the important sources of vehicle knocking noise. No-load knocking usually occurs in two
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Effect of Center Distance Deviation of Gear Drive System on Dynamic Load under Steady State Conditions
During machining and assembling of gear drive system, there is deviation between actual and theoretical center distance of gear due
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Effect of Engine Speed of Gear Drive System on Dynamic Load under Steady State Conditions
Under steady-state conditions, the engine speed range of heavy-duty vehicles studied ranges from 1000 r/min to 4200 r/min.Under full throttle
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Research on Dynamic Characteristics of Involute Spur Gear Drive System
Vibration characteristics of two-stage fixed-shaft gear drive system and single-stage planetary gear drive system were tested, and the correctness of
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Standard tooth surface of the tooth-side contact point in the event of edge contact
In the figure, O1 and O2 are the rotation centers of large and small wheels, point D is the actual