Determination of external meshing point position of helical gear transmission meshing impact line
The main error items of gear are: base pitch deviation Δ FPB, tooth profile error Δ FF, tooth alignment error […]
The main error items of gear are: base pitch deviation Δ FPB, tooth profile error Δ FF, tooth alignment error […]
In the whole meshing area of gear pair, the meshing point of error free gear transmission is always on its […]
Taking the high-speed helical gear transmission of an electric vehicle reducer as the research object, the vibration characteristics of the […]
Due to its advantages in efficiency, service life and application range, gear transmission has become an indispensable part of the […]
As the most commonly used motor centralized drive transmission system of electric vehicles, the motor is directly connected with the […]
The transmission system of automobile is one of the core competitiveness of automobile. The transmission system of traditional fuel vehicle […]
In the process of gear transmission, there is a deviation between the actual base pitch and the theoretical pitch due […]
In the whole meshing area of gear pair, the meshing point of error free gear transmission is always on its […]
In order to compare the time-varying meshing stiffness results obtained by the three calculation methods of material mechanics method, finite […]
Tooth thickness is an important parameter for balancing the fatigue life of large and small wheels.Since the number of small […]
Bending fracture of teeth and pitting and flaking of tooth surface are the two most common failure modes of main […]
The locating elements for spiral bevel gears are V-shaped blocks and press plates. After positioning the workpiece, before drilling, it […]
1 Construction of modified tooth surface The modified tooth surface is constructed by superposition of theoretical tooth surface and modified […]
The positioning of the workpiece is achieved by the contact between the positioning surface on the workpiece and the V-block […]
The calculation of impact force in this paper is based on the principle of energy conservation at the moment of […]
Process analysis: The processing of spiral bevel gears is mainly divided into the following stages: 1) Billet processing: Billet forming […]
Fixture positioning and fixture fixture fixture fixture is very important in the process of parts machining. If positioning is not […]
1 Selection of Rough Benchmarks The principle of choice is: (1) Non-machined surface principle. (2) The principle of minimum machining […]
TE at small wheel φ1A is smaller than LTE under larger load, indicating that the gap between teeth is not […]
The meshing stiffness of the rodent point can be calculated by LTCA. The basic idea is to increase the load […]
The key to calculate the impact force of rodent is to accurately locate the rodent point.Based on the position of […]
In order to improve the bending strength of the small gear root, the heavy contact area is usually designed to […]
Blank type determination: In general, 20GrMnTi alloy steel is used for driving axle gears of automobiles and carburized and quenched.CA1092 […]
Spiral bevel gears transmit power and change speed during working process. Rolling and sliding exist between the meshing tooth surfaces […]
1.Transfer the power output from the engine to the driving wheels via the transmission and the main drive. 2.Change the […]
Calculation Method of Rolling Impact Force of Modified Helical Gear Based on Contact Analysis of Tooth Bearing Rolling impact can […]
(1) After tooth surface modification, under a small load, the clearance between the teeth of the latter pair is sufficient […]
Figure 1 shows the calculation results of the load-dependent position of the rodent points on the standard and modified tooth […]
Based on the proposed calculation method of meshing impact force, the optimum profile design of small gear tooth surface with […]
When TE is greater than LTE at small wheel angle_1A under small load, it means that the clearance between teeth […]
Under ideal conditions, the normal line of the standard involute tooth surface follows the direction of the theoretical engagement line […]
Corrective measures According to heat treatment process inspection and finite element calculation results, the transmission staggered helical gear is quenched […]
Correction in the contact area of the Klingenberg helical gear teeth can be achieved by changing the following parameters: (1) […]
1. Calculation Model In order to investigate the contact stress on the tooth surface of this transmission staggered helical gear, […]
In order to correct the contact area of Klingenberg helical gears during machining, a double-layer cutter head is required. The […]
The working tooth profile of the hexagon-arc helical gear is composed of six segments of circular arcs. It adopts the […]
The driving wheel of the staggered helical gear is made of 42Cr Mo, conditioned and tempered, while the driven wheel […]
Analysis: (1) The hardened layer of tooth surface has fine martensite structure of grade 2 and non-martensite structure of 0.02mm, […]
Circular arc helical gear is a point engagement gear, which has the advantages of high bearing capacity, long service life […]
A set of helical gears with a displacement of 30 ml / R are processed according to the adjusted curve. […]
Since the locking mechanism is based on an improvement of the Eastern Wind Mentoson 2nd generation differential, the size of […]
Gear force analysis can be concluded that the radius of curvature of the tooth root fillet is the main factor […]
Staggered helical gears are used to transmit the motion between two staggered shafts in space. For a single gear, they […]
Test equipment: MH-6 micro Vickers hardness tester, TH300 Rockwell hardness tester, DMI5000M metallographic microscope Reference Standards: Metallographic examination of QC/T262-99 […]
For a type of three-axle special vehicle, two identical failures occur continuously, and the driving distance after sale is less […]
We can basically conclude that the root cause of tooth breakage and brittle failure of medium drive gear pair is […]
A group of suitable parameters are selected for simulation to obtain the toothed curve as shown in the figure. Through […]
Assemble the parts in SolidWorks to form an assembly of helical gear limited-slip differential with locking function as shown in […]
According to the structural design data, digital modeling is carried out in SolidWorks software. (1) Design of end profile.Setting helical […]
The profile of the circular arc curve – Involute – circular arc curve is used, the circular arc curve is […]
In order to verify the reliability of finite element simulation results, a coordinate grid test was carried out on a […]
According to the working characteristics of gears, during the transmission of power and motion, the gear will generate bending stress […]
Parallel-shaft helical gears (helical gears) have an additional helical angle in addition to the same basic parameters as spur gears.Expand […]
It is generally believed that there are two ways to derive the helical surface.One assumes that the helical surface is […]
Military off-road vehicles need good passability to adapt to complex road surfaces.The ordinary planetary gear differential has simple structure. Although […]
In order to understand the deformation and flow rules of metal in different positions of blank during forming, five sections […]
(1) Replace the gear cutting tool with bigger fillet on the top of the tooth to increase the radius of […]
Accurate three-dimensional geometric model of cylindrical helical gear is the precondition of establishing heat transfer-deformation coupling finite element model.The basic […]
1. Macro-examination The fracture morphology of the failed large helical gear teeth is analyzed. As shown in Figure 1, it […]
During the installation test of a large helical gear of a loader drive axle during its development, it was found […]