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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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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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
We can basically conclude that the root cause of tooth breakage and brittle failure of medium drive gear pair is […]
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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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Parametric Modeling of Helical Gear with Locking Function
According to the structural design data, digital modeling is carried out in SolidWorks software. (1) Design of end profile.Setting helical […]
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Design of conjugation curve of helical gear pump
The profile of the circular arc curve – Involute – circular arc curve is used, the circular arc curve is […]
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Force Analysis of Broken Tooth of Large Helical Gear of Loader Drive Axle
According to the working characteristics of gears, during the transmission of power and motion, the gear will generate bending stress […]
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Surface strengthening and surface integrity control of gears
In addition to surface hardening to improve the hardness and strength of the surface layer, in order to improve the […]
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Experimental Research and Contrast Analysis on Tooth Surface Contact Temperature of Spur Gear
The main and driven gear materials in the gear temperature measuring test stand are constantan and 40Cr steel respectively. In […]
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Basic parameters of helical gears with locking function
Parallel-shaft helical gears (helical gears) have an additional helical angle in addition to the same basic parameters as spur gears.Expand […]
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Helical surface equation of helical gear with locking function
It is generally believed that there are two ways to derive the helical surface.One assumes that the helical surface is […]
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Deformation of cylindrical helical gear in different tooth deformation areas during hot precision forging
In order to understand the deformation and flow rules of metal in different positions of blank during forming, five sections […]
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Improvement measures for broken teeth of large helical gear of loader drive axle
(1) Replace the gear cutting tool with bigger fillet on the top of the tooth to increase the radius of […]
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Physical and chemical inspection on broken teeth of large helical gear of loader drive axle
1. Macro-examination The fracture morphology of the failed large helical gear teeth is analyzed. As shown in Figure 1, it […]
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Verification of Spur Gear Model and Application of Example
According to the accurate modeling idea of spur gear pair, the meshing stiffness calculation can be calculated by the inductive […]
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Heat treatment hardening and surface integrity control of gears
The non main load-bearing gear is often machined directly after quenching and tempering of 45 steel. The recently developed low […]
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Calculation of Tooth Face Friction Factor of Spur Gear under Different Lubrication Conditions
Gear transmission system mainly has 4 different lubrication states, including elastohydrodynamic lubrication, mixed lubrication, boundary lubrication and dry friction.The friction […]
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Time-varying meshing stiffness calculation of spur gear potential energy method
The profile shape of standard involute gears generally consists of two sections, i.e. transition rounded curve AB and involute curve […]
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Geometric motion model of spur gear meshing
According to the engagement principle of involute spur gear, when a pair of involute profiles engage and drive, any engagement […]
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Laser tracking in place measurement method for oversize gears
As far as the gear in place measurement is concerned, the common problem is how to accurately determine the position […]
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Calculation of tooth surface contact temperature of spur gear
During gear meshing, the tooth contact temperature and the instantaneous tooth surface temperature change in real time, which can be […]
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Calculation of instantaneous temperature on tooth surface of spur gear
Tooth surface instantaneous temperature is the instantaneous high temperature generated by contact points during gear meshing, which is mainly distributed […]
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Simulation Analysis of Residual Stress on Gear Forming Grinding
Due to the different normal grinding depths and wheel speeds at different locations of the involute, the intensity of the […]
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A new method for measuring the tooth profile of large gears
As shown in the figure, when using the generating method to measure the big gear, the conical probe should start […]
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Multi site integrated parallel measurement technology for super large gears
The diameter of the oversize gear is large, the number of teeth is large, and the inertia is large. If […]
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The difficulty of measuring big gear
Gears are usually divided into vehicle gears and industrial gears. According to the Convention, gears with a diameter greater than […]
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Geometric and Kinematic Analysis of Forming Grinding of Spur Gears
As shown in Fig. 1, spur gear shape grinding is to trim the wheel shape to the desired profile and […]
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The realization of gearbox system of agricultural machinery tractor
1. Create gear parametric model Nx software itself can generate gear model, but it can only generate the bottom features […]
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Obtaining spur gear parameters using machine vision
1.Obtaining Basic Gear Parameters There are many gear parameters and there are certain connections among them. The most important one […]
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Conclusion on surface oxidation of Cr Mo Si steel used in automobile gearbox during gas carburizing
The hardness results of carburized layer of heat treated 2.3cr-0.9si-0.3mo steel were measured in the conversion gas reduction furnace and […]
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Knowledge engineering technology for gearbox of agricultural machinery tractor
Knowledge is the decisive factor of new product competitiveness. The product design based on knowledge engineering is to summarize and […]
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Experimental conclusion on contact temperature of spur gears
The experimental results of ZHY gear only verify the correctness of the calculation method of tooth contact temperature under EHL […]
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Analysis of the mechanism of the uneven load of the gear transmission
The abstract diagram of the cogwheel split torque drive is shown in Figure 1. The transmission direction shown in Figure […]
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Study on surface oxidation of Cr Mo Si steel used in automobile gearbox during gas carburizing
With the increasingly strict global regulations on carbon dioxide emissions and fuel consumption efficiency, automobile powertrain systems become more compact […]
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Function analysis of gearbox system of agricultural machinery tractor
The virtual design method of gearbox gear based on knowledge integrates knowledge engineering and parametric design technology, and develops the […]
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Knock test analysis of automobile transmission gear
According to the knock phenomenon of transmission gear, it is mainly divided into bench test and real vehicle test. In […]
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Dynamic characteristics of Cracked Gear Transmission System
With the all-round development of the mechanical industry, the requirements of the mechanical equipment for the transmission system are higher […]
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Theoretical research and solution method of knock model of automobile transmission gear
The phenomenon of gear knocking in automobile transmission belongs to the NVH dynamics problem of transmission system. The research idea […]
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Research on the knock model of automobile transmission gears based on multi pair gears
Automobile transmission includes many pairs of helical gear pairs, multiple bearings and synchronizer assemblies, etc. when considering the spatial meshing […]
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Research on the knock model of automobile transmission gears based on single pair of gears
With the rapid development of the automobile industry, automobile users have higher and higher requirements for the comfort of automobile […]
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Effect of Variation Coefficient of Gear Center Distance on Gear Sliding Rate
The figure shows the gear drive with the number of teeth (Z1=31, Z2=32), modulus (m=6), pressure angle (a=20 degrees), crest […]
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Influence of Coefficient of Tooth Top Height on Sliding Rate of Gear
The diagram shows the variation trend of gear crest height coefficient when the number of teeth (Z1=31, Z2=32), modulus (m=6), […]
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The influence of gear number (transmission ratio) on gear sliding rate
Figure 1 shows the change trend of the sliding rate with the number of teeth (transmission ratio) of the gear […]
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Analysis of the slip rate curve of gear teeth
Theoretically, when k is engaged at N2, η 2 = ∞, η 1 = – 1; when k is engaged […]
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Calculation of relative sliding rate of involute spur gear teeth
The ratio of the relative tangential speed of the gear pair between the tooth surfaces at the meshing point and […]
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Carburizing and quenching process of gear surface
Gear, as a widely used mechanical component in mechanical transmission, has the characteristics of accurate transmission ratio, high bearing capacity […]
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Research on Design and Manufacture of Laser Cutting Chuck Drive Gear Pair
Laser cutting equipment mainly uses heat energy generated by laser beam emitted by laser to cut pipes with motion mechanical […]
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Additive manufacturing and secondary machined face gear
As an additive manufacturing technology, 3D printing is a new technology that subverts the traditional manufacturing, and has become the […]
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The influence of Involute Harmonic Gear Tooth on bending stiffness and stress concentration
In order to reflect the influence rule of parameters on the maximum circumferential stress, dimensionless radius of chamfered root of […]
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Single tooth dividing cutting and gear grinding with straight edge cutter
Because the former three machining methods are based on the simulation of meshing between the small wheel (or the profile […]
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Maximum circumferential stress of ring gear considering the influence of gear teeth
1. Maximum circumferential stress of ring gear in design specification Considering the influence of tooth parameters, load distortion of flexible […]
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Cutting and grinding gear with disc cutter
Dr. Stadtfeld of Greenson first outlined the idea of using disc wheel to machine face gear. It has the advantages […]
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Distortion control of heating process in gear manufacturing
In view of the distortion caused by various factors, such as the release of processing stress, the different time and […]
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Gear Flexible Gear Profile Parameters
1. Basic profile parameters and definitions Taking the involute profile as an example, Figure shows an illustration of the involute […]